:root {
      --bg: #efede7;
      --panel: #f7f5f0;
      --panel-2: #ffffff;
      --panel-3: #ece6d8;
      --text: #181818;
      --muted: #75716a;
      --line: rgba(24, 24, 24, 0.08);
      --line-strong: rgba(24, 24, 24, 0.14);
      --shadow: 0 10px 28px rgba(18, 18, 18, 0.06);
      --shadow-soft: 0 6px 20px rgba(18, 18, 18, 0.045);
      --accent: #7367f0;
      --accent-soft: #ebe9ff;
      --accent-strong: #5f51eb;
      --ink-btn: #121212;
      --ink-btn-hover: #1d1d1d;
      --danger: #a14949;
      --danger-soft: #faece9;
      --success-soft: #ecf7ee;
      --radius-xl: 32px;
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-sm: 14px;
      --max: 1320px;
    }

    * { box-sizing: border-box; }

    html, body {
      margin: 0;
      min-height: 100%;
      background: linear-gradient(180deg, #f3f1ec 0%, #ece8e0 100%);
      color: var(--text);
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

    body {
      padding: 20px;
    }

    button, input, textarea, select, .rich-editor {
      font: inherit;
      color: inherit;
    }

    button {
      border: 0;
      background: none;
      cursor: pointer;
    }

    .visually-hidden {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }

    input, textarea, select, .rich-editor {
      width: 100%;
      border: 1px solid var(--line);
      outline: none;
      background: rgba(255,255,255,0.86);
      color: var(--text);
      transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
    }

    input:focus, textarea:focus, select:focus, .rich-editor:focus {
      border-color: rgba(115,103,240,0.34);
      box-shadow: 0 0 0 4px rgba(115,103,240,0.10);
      transform: translateY(-1px);
    }

    button:focus-visible,
    .idea-card:focus-visible,
    .upcoming-item:focus-visible,
    .close-btn:focus-visible,
    .danger-icon-btn:focus-visible,
    .drawer-icon-btn:focus-visible {
      outline: none;
      border-color: rgba(115,103,240,0.34);
      box-shadow: 0 0 0 4px rgba(115,103,240,0.10);
    }

    .shell {
      max-width: var(--max);
      margin: 0 auto;
      display: grid;
      gap: 28px;
    }

    .card {
      background: rgba(255,255,255,0.68);
      backdrop-filter: blur(10px);
      border: 1px solid var(--line);
      border-radius: var(--radius-xl);
      box-shadow: var(--shadow);
    }

    .topbar {
      padding: 18px 18px 18px 18px;
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 18px;
      flex-wrap: wrap;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 18px;
      min-width: 0;
      flex: 1;
    }

    .brand-mark {
      width: 64px;
      height: 64px;
      border-radius: 22px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.9);
      display: grid;
      place-items: center;
      box-shadow: var(--shadow-soft);
      flex: 0 0 auto;
      padding: 8px;
    }

    .brand-mark svg {
      width: 100%;
      height: 100%;
      display: block;
    }

    .brand-copy h1 {
      margin: 0;
      font-size: clamp(1.35rem, 2.2vw, 1.8rem);
      line-height: 1.15;
      letter-spacing: -0.04em;
      display: flex;
      align-items: baseline;
      gap: 10px;
      flex-wrap: nowrap;
      white-space: nowrap;
    }

    .brand-copy .brand-name {
      color: var(--text);
      font-weight: 800;
    }

    .brand-copy .brand-divider {
      color: rgba(24,24,24,0.24);
      font-weight: 700;
    }

    .brand-copy .brand-line {
      color: var(--muted);
      font-size: 0.94rem;
      font-weight: 600;
      letter-spacing: -0.01em;
    }

    .top-actions {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 12px;
      flex-wrap: wrap;
    }

    .stats-pill {
      min-height: 62px;
      padding: 0 22px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.86);
      display: inline-flex;
      align-items: center;
      font-weight: 700;
      color: var(--muted);
      box-shadow: var(--shadow-soft);
      white-space: nowrap;
    }

    .top-btn, .ghost-btn, .soft-btn, .solid-btn, .danger-btn {
      min-height: 60px;
      padding: 0 22px;
      border-radius: 999px;
      font-weight: 700;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      white-space: nowrap;
    }

    .top-btn:hover, .ghost-btn:hover, .soft-btn:hover, .solid-btn:hover, .danger-btn:hover {
      transform: translateY(-1px);
    }

    .top-btn {
      background: rgba(255,255,255,0.9);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
    }

    .theme-toggle-btn {
      width: 60px;
      min-width: 60px;
      padding: 0;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .language-toggle-group {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px;
      border-radius: 999px;
      background: rgba(255,255,255,0.82);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
    }

    .language-toggle-btn {
      min-width: 60px;
      min-height: 48px;
      padding: 0 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      border-radius: 999px;
      font-weight: 800;
      letter-spacing: -0.01em;
      box-shadow: none;
      border: 1px solid transparent;
      background: transparent;
      color: var(--muted);
    }

    .language-toggle-btn.is-active {
      background: var(--ink-btn);
      color: #fff;
      border-color: transparent;
      box-shadow: 0 12px 24px rgba(18,18,18,0.10);
    }

    .theme-toggle-btn svg {
      width: 20px;
      height: 20px;
      display: block;
    }

    .solid-btn {
      background: var(--ink-btn);
      color: #fff;
      box-shadow: 0 14px 28px rgba(18,18,18,0.13);
    }

    .solid-btn:hover { background: var(--ink-btn-hover); }

    .ghost-btn {
      background: rgba(115,103,240,0.10);
      color: var(--accent-strong);
      border: 1px solid rgba(115,103,240,0.12);
    }

    #clearComposerBtn {
      min-height: 44px;
      padding: 0 8px;
      background: transparent;
      color: var(--muted);
      border: 0;
      box-shadow: none;
      justify-self: end;
    }

    #clearComposerBtn:hover {
      background: transparent;
      color: var(--text);
      transform: none;
    }

    .soft-btn {
      background: var(--accent-soft);
      color: var(--accent-strong);
      border: 1px solid rgba(115,103,240,0.12);
    }

    .danger-btn {
      background: var(--danger-soft);
      color: var(--danger);
      border: 1px solid rgba(161,73,73,0.14);
    }

    .composer {
      padding: 24px;
      background: linear-gradient(180deg, #f7f9fe 0%, #eef3fb 100%);
      border-color: rgba(142, 159, 204, 0.14);
      display: grid;
      gap: 18px;
    }

    .composer-head {
      display: flex;
      justify-content: space-between;
      align-items: start;
      gap: 16px;
      flex-wrap: wrap;
    }

    .composer-head h2,
    .controls-head h3,
    .board-head h3,
    .section-title {
      margin: 0;
      font-size: clamp(1.8rem, 2.4vw, 2.2rem);
      line-height: 1;
      letter-spacing: -0.055em;
    }

    .composer-head p,
    .controls-head p,
    .board-sub,
    .detail-sub,
    .muted-copy {
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 1rem;
      line-height: 1.45;
    }

    .composer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 180px;
      gap: 14px;
      align-items: stretch;
    }

    .composer-input,
    .composer-textarea,
    .filter-input,
    .detail-input,
    .detail-textarea,
    .detail-select {
      border-radius: 24px;
      padding: 0 24px;
      font-size: 1.1rem;
      font-weight: 600;
      background: rgba(255,255,255,0.84);
      min-height: 72px;
    }

    .composer-input::placeholder,
    .composer-textarea::placeholder,
    .filter-input::placeholder,
    .detail-input::placeholder,
    .detail-textarea::placeholder {
      color: #8a857e;
      font-weight: 600;
    }

    .composer-textarea,
    .detail-textarea {
      resize: vertical;
      min-height: 260px;
      padding: 22px 24px;
      line-height: 1.58;
      font-weight: 500;
    }

    .composer-actions {
      display: flex;
      align-items: center;
      justify-content: flex-start;
      gap: 12px;
      flex-wrap: wrap;
      padding-top: 4px;
    }

    .voice-btn {
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }

    .voice-btn .mini-icon {
      width: 18px;
      height: 18px;
    }

    .voice-btn.listening {
      background: var(--ink-btn);
      color: #fff;
      border-color: transparent;
      box-shadow: 0 14px 28px rgba(18,18,18,0.13);
    }

    .voice-status {
      color: var(--muted);
      font-size: 0.94rem;
      font-weight: 600;
      line-height: 1.45;
    }

    .voice-status.is-error {
      color: var(--danger);
    }

    .top-btn.is-active {
      background: var(--ink-btn);
      color: #fff;
      border-color: transparent;
      box-shadow: 0 12px 24px rgba(18,18,18,0.10);
    }

    html[data-theme="dark"],
    html[data-theme="dark"] body {
      background: linear-gradient(180deg, #141414 0%, #0d0d0d 100%);
    }

    body.dark-mode {
      --bg: #121212;
      --panel: #1b1b1b;
      --panel-2: #151515;
      --panel-3: #22201c;
      --text: #f4f2ed;
      --muted: #b2aba0;
      --line: rgba(255, 255, 255, 0.08);
      --line-strong: rgba(255, 255, 255, 0.16);
      --shadow: 0 16px 36px rgba(0, 0, 0, 0.34);
      --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.22);
      --accent-soft: rgba(115,103,240,0.18);
      --danger-soft: rgba(161,73,73,0.18);
      --success-soft: rgba(74,140,95,0.18);
      background: linear-gradient(180deg, #141414 0%, #0d0d0d 100%);
      color: var(--text);
    }

    body.dark-mode .card {
      background: rgba(22,22,22,0.82);
      border-color: var(--line);
    }

    body.dark-mode .composer {
      background: linear-gradient(180deg, rgba(38,35,30,0.98), rgba(24,24,24,0.98));
      border-color: rgba(255,255,255,0.08);
    }

    body.dark-mode .drawer {
      background: linear-gradient(180deg, #1a1a1a 0%, #111111 100%);
      border-color: var(--line);
    }

    body.dark-mode .prompt-dialog {
      background: linear-gradient(180deg, #1a1a1a 0%, #111111 100%);
      border-color: var(--line);
      box-shadow: 0 28px 72px rgba(0,0,0,0.44);
    }

    body.dark-mode .drawer-top,
    body.dark-mode .drawer-bottom,
    body.dark-mode .idea-card,
    body.dark-mode .detail-card,
    body.dark-mode .upcoming-item,
    body.dark-mode .stats-pill,
    body.dark-mode .top-btn,
    body.dark-mode .view-btn,
    body.dark-mode .composer-input,
    body.dark-mode .composer-textarea,
    body.dark-mode .filter-input,
    body.dark-mode .filter-select,
    body.dark-mode .detail-input,
    body.dark-mode .detail-textarea,
    body.dark-mode .detail-select,
    body.dark-mode .rich-editor,
    body.dark-mode .close-btn,
    body.dark-mode .mini-btn,
    body.dark-mode .card-delete,
    body.dark-mode .card-download,
    body.dark-mode .card-share,
    body.dark-mode .toolbar-btn,
    body.dark-mode .editor-tools-toggle {
      background: rgba(32,32,32,0.92);
      color: var(--text);
      border-color: var(--line);
      box-shadow: var(--shadow-soft);
    }

    body.dark-mode .detail-card.structure-card {
      background: linear-gradient(180deg, rgba(40,35,72,0.72), rgba(24,24,24,0.96));
      border-color: rgba(115,103,240,0.24);
    }

    body.dark-mode .detail-card.action-card {
      background: linear-gradient(180deg, rgba(63,55,37,0.72), rgba(24,24,24,0.96));
      border-color: rgba(188,171,127,0.24);
    }

    body.dark-mode .upcoming-card {
      background: linear-gradient(180deg, rgba(38,34,66,0.76), rgba(20,20,20,0.94));
      border-color: rgba(115,103,240,0.24);
    }

    body.dark-mode .empty {
      background: rgba(22,22,22,0.78);
      border-color: var(--line-strong);
    }

    body.dark-mode .structure-empty {
      background: linear-gradient(180deg, rgba(32,30,42,0.92), rgba(18,18,18,0.96));
      border-color: rgba(115,103,240,0.34);
      color: #e7e1d7;
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
    }

    body.dark-mode .solid-btn {
      background: #f3f1ea;
      color: #121212;
    }

    body.dark-mode .solid-btn:hover {
      background: #ffffff;
    }

    body.dark-mode .top-btn.is-active,
    body.dark-mode .view-btn.active,
    body.dark-mode .language-toggle-btn.is-active {
      background: var(--accent);
      color: #fff;
      border-color: transparent;
      box-shadow: 0 12px 24px rgba(115,103,240,0.22);
    }

    body.dark-mode .language-toggle-group {
      background: rgba(32,32,32,0.92);
      border-color: var(--line);
      box-shadow: var(--shadow-soft);
    }

    body.dark-mode .brand-mark {
      background: rgba(20,20,20,0.94);
    }

    body.dark-mode .brand-copy .brand-divider {
      color: rgba(255,255,255,0.22);
    }

    body.dark-mode .status-chip {
      background: transparent;
      border-color: transparent;
      color: var(--status-text, #d3cdc2);
      box-shadow: none;
    }

    body.dark-mode .composer-head p,
    body.dark-mode .controls-head p,
    body.dark-mode .board-sub,
    body.dark-mode .detail-sub,
    body.dark-mode .muted-copy,
    body.dark-mode .card-summary,
    body.dark-mode .upcoming-action,
    body.dark-mode .upcoming-date,
    body.dark-mode .field-block label {
      color: var(--muted);
    }

    body.dark-mode .composer-input::placeholder,
    body.dark-mode .composer-textarea::placeholder,
    body.dark-mode .filter-input::placeholder,
    body.dark-mode .detail-input::placeholder,
    body.dark-mode .detail-textarea::placeholder,
    body.dark-mode .rich-editor[data-placeholder]:empty::before {
      color: #91897d;
    }

    body.dark-mode .image-import-btn {
      background: rgba(32,32,32,0.92);
      color: var(--accent);
      border-color: var(--line);
      box-shadow: var(--shadow-soft);
    }

    body.dark-mode .select-wrap::after,
    body.dark-mode .detail-select-wrap::after,
    body.dark-mode .filter-select-wrap::after {
      color: #f4f2ed;
    }

    body.dark-mode .drawer-overlay {
      background: rgba(0,0,0,0.58);
    }

    .select-wrap,
    .detail-select-wrap,
    .filter-select-wrap {
      position: relative;
    }

    .select-wrap::after,
    .detail-select-wrap::after,
    .filter-select-wrap::after {
      content: "▾";
      position: absolute;
      right: 18px;
      top: 50%;
      transform: translateY(-50%);
      font-size: 1rem;
      color: #242424;
      pointer-events: none;
    }

    .composer-select,
    .detail-select,
    .filter-select {
      appearance: none;
      -webkit-appearance: none;
      padding-right: 48px;
      cursor: pointer;
    }

    .controls {
      padding: 20px;
      display: grid;
      gap: 18px;
      margin-top: 8px;
    }

    .controls-head {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 16px;
      flex-wrap: wrap;
    }

    .views {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }

    .view-btn {
      min-height: 50px;
      padding: 0 18px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.86);
      color: var(--muted);
      font-weight: 700;
      box-shadow: var(--shadow-soft);
    }

    .view-btn.active {
      background: var(--ink-btn);
      color: #fff;
      border-color: transparent;
      box-shadow: 0 12px 24px rgba(18,18,18,0.10);
    }

    .filters-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.6fr) repeat(2, minmax(170px, 1fr));
      gap: 12px;
    }

    .filter-input,
    .filter-select {
      min-height: 58px;
      border-radius: 20px;
      padding: 0 18px;
      font-size: 0.98rem;
      font-weight: 600;
    }

    .board {
      display: grid;
      gap: 18px;
    }

    .board-head {
      display: flex;
      justify-content: space-between;
      align-items: end;
      gap: 16px;
      flex-wrap: wrap;
    }

    .board-head h3 {
      font-size: 1.35rem;
    }

    .idea-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }

    .idea-card {
      position: relative;
      background: rgba(255,255,255,0.84);
      border: 1px solid var(--line);
      border-radius: 28px;
      padding: 20px;
      box-shadow: var(--shadow-soft);
      display: grid;
      gap: 16px;
      min-height: 238px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, opacity .18s ease;
    }

    .idea-card:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 28px rgba(18,18,18,0.08);
      border-color: var(--line-strong);
    }

    .idea-card {
      cursor: pointer;
    }

    .idea-card:focus-visible {
      transform: translateY(-2px);
    }

    .idea-card.dragging {
      opacity: .42;
    }

    .idea-card.drop-target {
      outline: 2px dashed rgba(115,103,240,0.34);
      outline-offset: 4px;
    }


    .card-top {
      display: flex;
      justify-content: space-between;
      align-items: start;
      gap: 12px;
    }

    .idea-card {
      --card-accent: #c9c3ba;
      --card-accent-soft: rgba(201,195,186,0.14);
      --card-accent-border: rgba(201,195,186,0.28);
      overflow: hidden;
    }

    .idea-card::before {
      content: "";
      position: absolute;
      inset: 0 0 auto 0;
      height: 6px;
      background: linear-gradient(90deg, var(--card-accent) 0%, rgba(255,255,255,0) 78%);
      opacity: 0.95;
      pointer-events: none;
    }

    .card-side-actions {
      display: grid;
      gap: 8px;
      flex: 0 0 auto;
    }

    .card-delete,
    .card-download,
    .card-share {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: rgba(255,255,255,0.9);
      border: 1px solid var(--line);
      flex: 0 0 auto;
      box-shadow: var(--shadow-soft);
      transition: transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
    }

    .card-delete { color: var(--danger); }
    .card-download { color: var(--accent-strong); }
    .card-share { color: #3e3a35; }

    .card-delete:hover,
    .card-download:hover,
    .card-share:hover {
      transform: translateY(-1px);
      border-color: var(--line-strong);
    }

    .card-copy {
      min-width: 0;
      display: grid;
      gap: 10px;
    }

    .card-badges {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      align-items: center;
    }

    .category-chip {
      min-height: 28px;
      padding: 0 10px;
      border-radius: 999px;
      display: inline-flex;
      align-items: center;
      background: var(--card-accent-soft);
      border: 1px solid var(--card-accent-border);
      color: #433f3a;
      font-size: 0.78rem;
      font-weight: 800;
      letter-spacing: 0.01em;
    }

    .status-chip {
      --status-text: #5b5650;
      min-height: 0;
      padding: 0;
      border-radius: 0;
      display: inline-flex;
      align-items: center;
      background: transparent;
      border: 0;
      color: var(--status-text);
      font-size: 0.76rem;
      font-weight: 800;
      letter-spacing: 0.01em;
      box-shadow: none;
    }

    .card-title {
      margin: 0;
      font-size: 1.28rem;
      line-height: 1.1;
      letter-spacing: -0.04em;
      word-break: break-word;
    }

    .card-summary {
      margin: 0;
      color: var(--muted);
      font-size: 0.98rem;
      line-height: 1.55;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      min-height: 3.1em;
    }

    .card-footer {
      margin-top: auto;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
    }

    .mini-btn {
      min-height: 42px;
      padding: 0 14px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.9);
      font-weight: 700;
      color: var(--text);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
    }

    .mini-btn.structure {
      background: var(--accent-soft);
      color: var(--accent-strong);
      border-color: rgba(115,103,240,0.12);
      box-shadow: 0 8px 18px rgba(115,103,240,0.10);
    }

    .mini-tag {
      min-height: 42px;
      padding: 0 14px;
      border-radius: 999px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid rgba(115,103,240,0.14);
      background: rgba(115,103,240,0.08);
      color: #6a61d8;
      font-weight: 700;
      letter-spacing: -0.01em;
    }

    .structured-state {
      border-color: var(--line);
      background: rgba(255,255,255,0.9);
      color: #59554f;
      box-shadow: none;
    }

    .mini-btn.icon {
      min-width: 42px;
      padding: 0 12px;
      font-size: 0.92rem;
    }

    .mini-btn.move-btn {
      width: 42px;
      min-width: 42px;
      padding: 0;
      color: #3e3a35;
    }

    .mini-icon {
      width: 16px;
      height: 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      line-height: 0;
    }

    .mini-icon svg,
    .card-delete svg,
    .card-download svg,
    .card-share svg {
      width: 16px;
      height: 16px;
      display: block;
    }

    .mini-label {
      font-size: 0.84rem;
      font-weight: 800;
      letter-spacing: -0.01em;
    }

    .upcoming-card {
      position: relative;
      display: grid;
      gap: 16px;
      padding: 22px;
      overflow: hidden;
      background: linear-gradient(180deg, rgba(241,238,255,0.78), rgba(255,255,255,0.94));
      border: 1px solid rgba(115,103,240,0.16);
    }

    .upcoming-card::before {
      content: none;
    }

    .upcoming-head {
      display: flex;
      justify-content: space-between;
      align-items: end;
      gap: 16px;
      flex-wrap: wrap;
    }

    .upcoming-list {
      display: grid;
      gap: 12px;
    }

    .upcoming-item {
      position: relative;
      padding: 16px 18px;
      padding-right: 72px;
      border-radius: 20px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.82);
      box-shadow: var(--shadow-soft);
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
    }

    .upcoming-item:hover {
      transform: translateY(-1px);
      border-color: var(--line-strong);
      box-shadow: 0 12px 24px rgba(18,18,18,0.06);
    }

    .upcoming-main {
      display: grid;
      gap: 8px;
      cursor: pointer;
      outline: none;
    }

    .upcoming-main:focus-visible {
      box-shadow: var(--focus-ring);
      border-radius: 16px;
    }

    .upcoming-meta {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      align-items: flex-start;
      flex-wrap: wrap;
      padding-right: 8px;
    }

    .upcoming-title {
      margin: 0;
      font-size: 1rem;
      font-weight: 800;
      letter-spacing: -0.02em;
    }

    .upcoming-date {
      color: var(--muted);
      font-size: 0.9rem;
      font-weight: 700;
      text-align: right;
      white-space: nowrap;
    }

    .upcoming-action {
      color: var(--muted);
      font-size: 0.96rem;
      line-height: 1.5;
    }

    .upcoming-countdown {
      display: inline-flex;
      align-items: center;
      width: fit-content;
      min-height: 30px;
      padding: 0 10px;
      border-radius: 999px;
      background: rgba(115,103,240,0.10);
      color: var(--accent-strong);
      border: 1px solid rgba(115,103,240,0.14);
      font-size: 0.78rem;
      font-weight: 800;
      letter-spacing: 0.01em;
    }

    .upcoming-reminder-btn {
      width: 40px;
      height: 40px;
      padding: 0;
      border-radius: 12px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.92);
      box-shadow: var(--shadow-soft);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--muted);
      flex: 0 0 auto;
      transition: transform .18s ease, border-color .18s ease, background .18s ease, color .18s ease, box-shadow .18s ease;
    }

    .upcoming-reminder-btn:hover {
      transform: translateY(-1px);
      border-color: rgba(115,103,240,0.22);
      color: var(--accent-strong);
    }

    .upcoming-reminder-btn[aria-pressed="true"] {
      background: var(--accent-soft);
      color: var(--accent-strong);
      border-color: rgba(115,103,240,0.16);
      box-shadow: 0 10px 22px rgba(115,103,240,0.08);
    }

    .upcoming-reminder-btn .mini-icon {
      width: 18px;
      height: 18px;
    }

    .empty {
      padding: 38px 24px;
      text-align: center;
      border: 1px dashed var(--line-strong);
      border-radius: 28px;
      background: rgba(255,255,255,0.62);
      color: var(--muted);
      line-height: 1.55;
    }

    .empty strong {
      display: block;
      color: var(--text);
      margin-bottom: 8px;
      font-size: 1.08rem;
    }

    .hidden { display: none !important; }

    .drawer-overlay {
      position: fixed;
      inset: 0;
      padding: 20px;
      background: rgba(18,18,18,0.36);
      display: none;
      align-items: center;
      justify-content: center;
      z-index: 90;
    }

    .drawer-overlay.open { display: flex; }

    .prompt-overlay {
      position: fixed;
      inset: 0;
      padding: 20px;
      background: rgba(18,18,18,0.36);
      display: none;
      align-items: center;
      justify-content: center;
      z-index: 95;
    }

    .prompt-overlay.open { display: flex; }

    .prompt-dialog {
      width: min(100%, 560px);
      padding: 26px;
      border-radius: 30px;
      border: 1px solid var(--line);
      background: linear-gradient(180deg, #f8f6f1 0%, #fff 100%);
      box-shadow: 0 28px 72px rgba(18,18,18,0.18);
      display: grid;
      gap: 18px;
    }

    .prompt-dialog h3 {
      margin: 0;
      font-size: clamp(1.35rem, 2vw, 1.6rem);
      line-height: 1.06;
      letter-spacing: -0.045em;
    }

    .prompt-dialog p {
      margin: 0;
      color: var(--muted);
      font-size: 1rem;
      line-height: 1.52;
    }

    .prompt-actions {
      display: flex;
      justify-content: flex-end;
      gap: 12px;
      flex-wrap: wrap;
    }
    .prompt-field,
    .prompt-dialog .field-block {
      display: grid;
      gap: 10px;
    }

    .prompt-textarea {
      min-height: 168px;
      margin: 0;
    }

    .drawer {
      width: min(100%, 980px);
      height: min(calc(100vh - 40px), 920px);
      margin: 0 auto;
      background: linear-gradient(180deg, #f8f6f1 0%, #fff 100%);
      border: 1px solid var(--line);
      border-radius: 30px;
      box-shadow: 0 28px 72px rgba(18,18,18,0.18);
      overflow: hidden;
      display: grid;
      grid-template-rows: auto 1fr auto;
    }

    .drawer-top,
    .drawer-bottom {
      padding: 18px;
      background: rgba(255,255,255,0.84);
      border-bottom: 1px solid var(--line);
    }

    .drawer-bottom {
      border-bottom: 0;
      border-top: 1px solid var(--line);
      display: flex;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }

    .drawer-head {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: start;
    }

    .drawer-head h2 {
      margin: 0;
      font-size: 1.5rem;
      line-height: 1.02;
      letter-spacing: -0.045em;
    }

    .close-btn {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.9);
      box-shadow: var(--shadow-soft);
      font-size: 1.15rem;
      flex: 0 0 auto;
    }

    .drawer-scroll {
      overflow: auto;
      padding: 18px;
      display: grid;
      gap: 16px;
    }

    .detail-card {
      background: rgba(255,255,255,0.92);
      border: 1px solid var(--line);
      border-radius: 26px;
      box-shadow: var(--shadow-soft);
      padding: 18px;
      display: grid;
      gap: 14px;
    }

    .detail-card.structure-card {
      border-color: rgba(115,103,240,0.16);
      background: linear-gradient(180deg, rgba(235,233,255,0.56), rgba(255,255,255,0.96));
    }

    .detail-card.action-card {
      border-color: rgba(188, 171, 127, 0.18);
      background: linear-gradient(180deg, rgba(245,241,229,0.92), rgba(255,255,255,0.97));
    }

    .detail-head {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 12px;
      flex-wrap: wrap;
    }

    .detail-head h3 {
      margin: 0;
      font-size: 1.1rem;
      line-height: 1;
      letter-spacing: -0.03em;
    }

    .detail-sub { margin: 6px 0 0; font-size: 0.94rem; }

    .detail-grid {
      display: grid;
      gap: 12px;
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .field-block {
      display: grid;
      gap: 8px;
    }

    .field-block.span-2 {
      grid-column: span 2;
    }

    .field-block label {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--muted);
      letter-spacing: 0.01em;
    }

    .detail-input,
    .detail-select {
      min-height: 56px;
      border-radius: 18px;
      padding: 0 16px;
      font-size: 0.98rem;
      font-weight: 600;
    }

    .detail-textarea {
      min-height: 140px;
      padding: 16px;
      border-radius: 20px;
      font-size: 0.98rem;
      font-weight: 500;
    }

    .rich-editor-wrap {
      display: grid;
      gap: 10px;
    }

    .editor-tools-toggle {
      min-height: 40px;
      padding: 0 14px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.92);
      box-shadow: var(--shadow-soft);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-weight: 700;
      font-size: 0.9rem;
      width: fit-content;
      transition: transform .18s ease, border-color .18s ease, background .18s ease, color .18s ease;
    }

    .editor-tools-toggle::after {
      content: "▾";
      font-size: 0.78rem;
      line-height: 1;
      opacity: 0.8;
    }

    .editor-tools-toggle:hover,
    .editor-tools-toggle.open {
      transform: translateY(-1px);
      border-color: rgba(115,103,240,0.18);
      background: rgba(115,103,240,0.08);
      color: var(--accent-strong);
    }

    .editor-tools-toggle.open::after {
      content: "▴";
    }

    .rich-toolbar-panel[hidden] {
      display: none;
    }

    .rich-toolbar-panel {
      padding: 12px;
      border-radius: 20px;
      border: 1px solid rgba(115,103,240,0.12);
      background: rgba(255,255,255,0.72);
      display: none;
    }

    .editor-tools-toggle {
      display: none !important;
    }

    .rich-toolbar {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .toolbar-btn {
      min-height: 38px;
      padding: 0 12px;
      border-radius: 14px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.92);
      box-shadow: var(--shadow-soft);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      font-weight: 700;
      font-size: 0.9rem;
      transition: transform .18s ease, border-color .18s ease, background .18s ease, color .18s ease, box-shadow .18s ease;
    }

    .toolbar-btn:hover,
    .toolbar-btn.active {
      transform: translateY(-1px);
      border-color: rgba(115,103,240,0.2);
    }

    .toolbar-btn.active {
      background: var(--accent-soft);
      color: var(--accent-strong);
      box-shadow: 0 8px 18px rgba(115,103,240,0.1);
    }

    .rich-editor {
      min-height: 140px;
      padding: 16px;
      border-radius: 20px;
      font-size: 0.98rem;
      font-weight: 500;
      line-height: 1.58;
      overflow: auto;
    }

    .composer-textarea {
      min-height: 132px;
      padding: 22px 24px;
      border-radius: 24px;
      font-size: 1.05rem;
      resize: vertical;
    }

    .composer-textarea-wrap {
      position: relative;
    }

    .composer-textarea-wrap .composer-textarea {
      padding-right: 76px;
      padding-bottom: 62px;
    }

    .image-import-btn {
      position: absolute;
      right: 16px;
      bottom: 16px;
      width: 44px;
      height: 44px;
      padding: 0;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: rgba(255,255,255,0.92);
      border: 1px solid var(--line);
      color: var(--accent-strong);
      box-shadow: var(--shadow-soft);
      z-index: 2;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease, color .18s ease, opacity .18s ease;
    }

    .image-import-btn:hover {
      transform: translateY(-1px);
      border-color: var(--line-strong);
    }

    .image-import-btn svg {
      width: 20px;
      height: 20px;
      display: block;
    }

    .image-import-btn.is-loading {
      pointer-events: none;
      opacity: 0.88;
    }

    .image-import-btn.is-loading svg {
      animation: image-import-spin 1s linear infinite;
    }

    .image-import-btn:focus-visible {
      outline: none;
      border-color: rgba(115,103,240,0.34);
      box-shadow: 0 0 0 4px rgba(115,103,240,0.10);
    }

    @keyframes image-import-spin {
      from { transform: rotate(0deg); }
      to { transform: rotate(360deg); }
    }

    .rich-editor[data-placeholder]:empty::before {
      content: attr(data-placeholder);
      color: #8a857e;
      font-weight: 600;
      pointer-events: none;
    }

    .rich-editor p {
      margin: 0 0 0.78em;
    }

    .rich-editor p:last-child {
      margin-bottom: 0;
    }

    .rich-editor ul,
    .rich-editor ol {
      margin: 0.5em 0 0.5em 1.25em;
      padding: 0;
    }

    .rich-editor li + li {
      margin-top: 0.22em;
    }

    .structure-export-row {
      display: flex;
      justify-content: flex-start;
      margin-top: 2px;
    }

    .export-btn {
      background: linear-gradient(180deg, rgba(235,233,255,0.9), rgba(255,255,255,0.96));
      border-color: rgba(115,103,240,0.16);
      color: #433f92;
      box-shadow: 0 10px 22px rgba(115,103,240,0.08);
    }

    .export-btn:hover {
      background: linear-gradient(180deg, rgba(235,233,255,0.96), rgba(255,255,255,1));
      border-color: rgba(115,103,240,0.24);
    }

    .structure-grid {
      display: grid;
      gap: 12px;
    }

    .structure-empty {
      border: 1px dashed rgba(115,103,240,0.28);
      background: rgba(255,255,255,0.68);
      color: var(--muted);
      border-radius: 20px;
      padding: 22px 20px;
      min-height: 88px;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      line-height: 1.55;
      font-weight: 600;
    }

    .review-actions-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
      margin-top: 2px;
    }

    .review-btn {
      background: linear-gradient(180deg, rgba(248,245,238,0.96), rgba(255,255,255,0.98));
      border: 1px solid rgba(24,24,24,0.08);
      color: #3f3b36;
      box-shadow: var(--shadow-soft);
    }

    .review-btn:hover {
      border-color: rgba(115,103,240,0.16);
      background: linear-gradient(180deg, rgba(243,240,255,0.96), rgba(255,255,255,0.98));
      color: var(--accent-strong);
    }

    .review-btn.active {
      background: var(--accent-soft);
      border-color: rgba(115,103,240,0.16);
      color: var(--accent-strong);
      box-shadow: 0 10px 22px rgba(115,103,240,0.08);
    }

    .review-panel {
      display: grid;
      gap: 14px;
      padding: 16px;
      border-radius: 22px;
      border: 1px solid rgba(115,103,240,0.14);
      background: rgba(255,255,255,0.78);
    }

    .review-panel-head {
      display: grid;
      gap: 6px;
    }

    .review-panel-head h4 {
      margin: 0;
      font-size: 1rem;
      line-height: 1;
      letter-spacing: -0.02em;
    }

    .review-panel-head p {
      margin: 0;
      color: var(--muted);
      line-height: 1.5;
      font-size: 0.93rem;
    }

    .review-prompt-list {
      margin: 0;
      padding-left: 1.2rem;
      display: grid;
      gap: 8px;
      color: #3f3b36;
    }

    .review-prompt-list li::marker {
      color: rgba(115,103,240,0.88);
    }

    .review-notes-wrap {
      display: grid;
      gap: 8px;
    }

    .review-notes-wrap label {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--muted);
      letter-spacing: 0.01em;
    }

    .review-notes {
      min-height: 134px;
      padding: 16px;
      border-radius: 20px;
      font-size: 0.98rem;
      font-weight: 500;
      line-height: 1.55;
      resize: vertical;
    }

    .toast-stack {
      position: fixed;
      right: 16px;
      bottom: 16px;
      z-index: 120;
      display: grid;
      gap: 10px;
      width: min(92vw, 340px);
      pointer-events: none;
    }

    .toast {
      background: rgba(18,18,18,0.94);
      color: #fff;
      border-radius: 18px;
      padding: 14px 16px;
      line-height: 1.48;
      font-size: 0.94rem;
      box-shadow: 0 12px 24px rgba(0,0,0,0.18);
      transform: translateY(10px);
      opacity: 0;
      transition: opacity .22s ease, transform .22s ease;
    }

    .toast.show { opacity: 1; transform: translateY(0); }

    .danger-icon-btn {
      width: 60px;
      min-width: 60px;
      height: 60px;
      padding: 0;
      border-radius: 999px;
      border: 1px solid rgba(161,73,73,0.16);
      background: var(--danger-soft);
      color: var(--danger);
      box-shadow: var(--shadow-soft);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }

    .danger-icon-btn:hover {
      transform: translateY(-1px);
      border-color: rgba(161,73,73,0.24);
      background: #f8e5e1;
    }

    .danger-icon-btn svg {
      width: 18px;
      height: 18px;
      display: block;
    }

    .drawer-icon-btn {
      width: 60px;
      min-width: 60px;
      height: 60px;
      padding: 0;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.92);
      color: #3e3a35;
      box-shadow: var(--shadow-soft);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: transform .18s ease, border-color .18s ease, background .18s ease, color .18s ease;
    }

    .drawer-icon-btn:hover {
      transform: translateY(-1px);
      border-color: rgba(115,103,240,0.22);
      background: rgba(115,103,240,0.06);
      color: var(--accent-strong);
    }

    .drawer-icon-btn svg {
      width: 18px;
      height: 18px;
      display: block;
    }

    @media (max-width: 1120px) {
      .idea-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .filters-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .composer-grid { grid-template-columns: minmax(0, 1fr) 160px; }
    }

    @media (max-width: 760px) {
      body { padding: 12px; }
      .shell { gap: 22px; }
      .topbar, .composer, .controls { padding: 16px; }
      .brand { align-items: flex-start; }
      .brand-mark { width: 56px; height: 56px; border-radius: 18px; font-size: 1.7rem; }
      .top-actions { width: 100%; justify-content: flex-start; }
      .stats-pill, .top-btn, .solid-btn, .ghost-btn, .soft-btn, .danger-btn { min-height: 52px; padding: 0 18px; }
      .composer-head h2, .controls-head h3, .section-title { font-size: 1.8rem; }
      .composer-grid, .filters-grid, .detail-grid { grid-template-columns: 1fr; }
      .composer-input, .composer-textarea, .filter-input, .filter-select { min-height: 58px; border-radius: 20px; font-size: 1rem; }
      .composer-textarea { min-height: 140px; }
      .composer-rich-editor { min-height: 220px; }
      .idea-grid { grid-template-columns: 1fr; }
      .drawer-overlay { padding: 0; }
      .drawer { width: 100%; height: 100%; border-radius: 0; }
      .drawer-bottom { padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px)); }
      .brand-copy h1 { white-space: normal; flex-wrap: wrap; }
      .upcoming-item { padding: 14px 16px; }
      .upcoming-footer-row {
        align-items: center;
      }
      .upcoming-reminder-wrap {
        gap: 8px;
      }
    }
  

    :root {
      --page-glow-1: rgba(115, 103, 240, 0.09);
      --page-glow-2: rgba(218, 191, 128, 0.14);
      --page-glow-3: rgba(255, 255, 255, 0.5);
      --surface-main: rgba(255,255,255,0.78);
      --surface-soft: rgba(255,255,255,0.9);
      --surface-muted: rgba(248,245,239,0.88);
      --border-soft: rgba(24,24,24,0.08);
      --border-strong: rgba(24,24,24,0.14);
      --shadow-card: 0 20px 56px rgba(18,18,18,0.08);
      --shadow-lift: 0 16px 36px rgba(18,18,18,0.1);
      --focus-ring: 0 0 0 4px rgba(115,103,240,0.12);
    }

    body {
      padding: clamp(12px, 3vw, 28px);
      position: relative;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background:
        radial-gradient(42rem 42rem at 12% -4%, var(--page-glow-1) 0%, rgba(115,103,240,0) 64%),
        radial-gradient(36rem 36rem at 100% 0%, var(--page-glow-2) 0%, rgba(218,191,128,0) 62%),
        radial-gradient(24rem 24rem at 50% 100%, var(--page-glow-3) 0%, rgba(255,255,255,0) 70%);
      z-index: -1;
    }

    body.dark-mode {
      --page-glow-1: rgba(115, 103, 240, 0.18);
      --page-glow-2: rgba(161, 132, 74, 0.14);
      --page-glow-3: rgba(255, 255, 255, 0.03);
      --surface-main: rgba(22,22,22,0.84);
      --surface-soft: rgba(28,28,28,0.94);
      --surface-muted: rgba(24,24,24,0.92);
      --border-soft: rgba(255,255,255,0.08);
      --border-strong: rgba(255,255,255,0.14);
      --shadow-card: 0 24px 60px rgba(0,0,0,0.3);
      --shadow-lift: 0 18px 42px rgba(0,0,0,0.34);
    }

    button,
    input,
    select,
    textarea,
    .rich-editor {
      -webkit-tap-highlight-color: transparent;
    }

    input,
    textarea,
    select,
    .rich-editor {
      border-color: var(--border-soft);
      background: var(--surface-soft);
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.45);
    }

    body.dark-mode input,
    body.dark-mode textarea,
    body.dark-mode select,
    body.dark-mode .rich-editor {
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
    }

    input:focus,
    textarea:focus,
    select:focus,
    .rich-editor:focus,
    button:focus-visible,
    .idea-card:focus-visible,
    .upcoming-item:focus-visible,
    .close-btn:focus-visible,
    .danger-icon-btn:focus-visible,
    .drawer-icon-btn:focus-visible,
    .image-import-btn:focus-visible {
      box-shadow: var(--focus-ring);
    }

    .shell {
      gap: clamp(18px, 3vw, 30px);
      padding-bottom: max(16px, env(safe-area-inset-bottom, 0px));
    }

    .card {
      position: relative;
      overflow: clip;
      border-radius: clamp(22px, 4vw, 32px);
      border-color: var(--border-soft);
      background: linear-gradient(180deg, rgba(255,255,255,0.82), rgba(255,255,255,0.72));
      box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255,255,255,0.46);
    }

    body.dark-mode .card {
      background: linear-gradient(180deg, rgba(24,24,24,0.88), rgba(18,18,18,0.82));
      box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255,255,255,0.04);
    }

    .topbar {
      display: grid;
      grid-template-columns: 1fr;
      align-items: stretch;
      gap: 16px;
      padding: clamp(16px, 4vw, 22px);
    }

    .brand {
      align-items: flex-start;
      gap: 14px;
    }

    .brand-mark {
      width: 58px;
      height: 58px;
      border-radius: 18px;
      box-shadow: 0 12px 28px rgba(18,18,18,0.08);
    }

    .brand-copy h1 {
      font-size: clamp(1.2rem, 5.2vw, 1.68rem);
      line-height: 1.02;
      letter-spacing: -0.05em;
      white-space: normal;
      flex-wrap: wrap;
      row-gap: 6px;
      column-gap: 8px;
    }

    .brand-copy .brand-divider {
      display: none;
    }

    .brand-copy .brand-name {
      font-size: 0.88em;
    }

    .brand-copy .brand-line {
      flex-basis: 100%;
      display: block;
      max-width: 34ch;
      font-size: 0.95rem;
      line-height: 1.42;
      font-weight: 600;
      letter-spacing: -0.015em;
    }

    .top-actions {
      width: 100%;
      justify-content: stretch;
      gap: 10px;
    }

    .top-actions > * {
      flex: 1 1 auto;
    }

    .stats-pill,
    .top-btn,
    .ghost-btn,
    .soft-btn,
    .solid-btn,
    .danger-btn {
      min-height: 52px;
      padding: 0 18px;
      border-radius: 16px;
      font-size: 0.97rem;
      letter-spacing: -0.015em;
    }

    .top-btn,
    .stats-pill,
    .view-btn,
    .mini-btn,
    .mini-tag,
    .toolbar-btn,
    .editor-tools-toggle,
    .close-btn,
    .card-delete,
    .card-download,
    .card-share,
    .drawer-icon-btn,
    .danger-icon-btn {
      border-color: var(--border-soft);
      background: var(--surface-soft);
    }

    .top-btn:hover,
    .ghost-btn:hover,
    .soft-btn:hover,
    .solid-btn:hover,
    .danger-btn:hover,
    .mini-btn:hover,
    .view-btn:hover,
    .toolbar-btn:hover,
    .card-delete:hover,
    .card-download:hover,
    .card-share:hover,
    .drawer-icon-btn:hover,
    .danger-icon-btn:hover,
    .upcoming-item:hover,
    .idea-card:hover {
      box-shadow: var(--shadow-lift);
    }

    .top-btn,
    .stats-pill,
    .view-btn,
    .mini-btn,
    .mini-tag,
    .toolbar-btn,
    .editor-tools-toggle,
    .close-btn,
    .card-delete,
    .card-download,
    .card-share,
    .drawer-icon-btn,
    .danger-icon-btn,
    .image-import-btn,
    .upcoming-item,
    .detail-card,
    .review-panel,
    .prompt-dialog,
    .empty {
      box-shadow: 0 10px 28px rgba(18,18,18,0.06);
    }

    .top-btn,
    .view-btn,
    .mini-btn,
    .toolbar-btn,
    .drawer-icon-btn,
    .card-delete,
    .card-download,
    .card-share,
    .close-btn,
    .image-import-btn,
    .danger-icon-btn,
    .upcoming-item,
    .idea-card {
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease, color .18s ease, opacity .18s ease;
    }

    .theme-toggle-btn {
      width: 52px;
      min-width: 52px;
      padding: 0;
      flex: 0 0 52px;
    }

    .language-toggle-group {
      width: 100%;
      justify-content: space-between;
      gap: 6px;
      padding: 6px;
      border-radius: 18px;
      background: rgba(255,255,255,0.86);
    }

    .language-toggle-btn {
      flex: 1 1 0;
      min-width: 0;
      min-height: 42px;
      padding: 0 12px;
      border-radius: 14px;
    }

    .language-toggle-btn.is-active,
    .top-btn.is-active,
    .view-btn.active {
      box-shadow: 0 12px 28px rgba(18,18,18,0.12);
    }

    body.dark-mode .language-toggle-btn.is-active,
    body.dark-mode .top-btn.is-active,
    body.dark-mode .view-btn.active {
      box-shadow: 0 14px 28px rgba(115,103,240,0.24);
    }

    .composer {
      padding: clamp(18px, 4.5vw, 28px);
      gap: 18px;
      border-radius: clamp(24px, 4vw, 34px);
      background:
        radial-gradient(24rem 18rem at 100% 0%, rgba(115,103,240,0.11) 0%, rgba(115,103,240,0) 60%),
        radial-gradient(18rem 14rem at 0% 100%, rgba(177, 196, 236, 0.14) 0%, rgba(177, 196, 236, 0) 62%),
        linear-gradient(180deg, rgba(244,248,255,0.99), rgba(232,239,251,0.98));
      border-color: rgba(138, 156, 202, 0.16);
      box-shadow: 0 24px 60px rgba(18,18,18,0.08), inset 0 1px 0 rgba(255,255,255,0.58);
    }

    body.dark-mode .composer {
      background:
        radial-gradient(24rem 18rem at 100% 0%, rgba(115,103,240,0.16) 0%, rgba(115,103,240,0) 62%),
        radial-gradient(18rem 14rem at 0% 100%, rgba(161,132,74,0.14) 0%, rgba(161,132,74,0) 62%),
        linear-gradient(180deg, rgba(34,31,28,0.98), rgba(20,20,20,0.98));
      box-shadow: 0 28px 64px rgba(0,0,0,0.34), inset 0 1px 0 rgba(255,255,255,0.04);
    }

    .composer-head,
    .composer-grid,
    .composer-textarea-wrap,
    .composer-actions {
      position: relative;
      z-index: 1;
    }

    .composer-head > div {
      max-width: 48rem;
    }

    .composer-head h2,
    .controls-head h3,
    .section-title {
      font-size: clamp(1.7rem, 6.4vw, 2.35rem);
      line-height: 0.98;
      letter-spacing: -0.06em;
    }

    .composer-head p,
    .controls-head p,
    .board-sub,
    .detail-sub,
    .muted-copy {
      margin-top: 10px;
      font-size: 0.98rem;
      line-height: 1.55;
      max-width: 62ch;
    }

    .composer-grid {
      grid-template-columns: 1fr;
      gap: 12px;
    }

    .composer-input,
    .composer-textarea,
    .filter-input,
    .detail-input,
    .detail-textarea,
    .detail-select,
    .filter-select,
    .review-notes,
    .rich-editor {
      border-radius: 20px;
      border-color: var(--border-soft);
    }

    .composer-input,
    .composer-textarea,
    .filter-input,
    .detail-input,
    .detail-select,
    .filter-select {
      min-height: 58px;
      padding: 0 18px;
      font-size: 1rem;
    }

    .composer-input,
    .composer-textarea,
    .detail-input,
    .detail-textarea,
    .detail-select,
    .review-notes,
    .rich-editor,
    .filter-input,
    .filter-select {
      background: rgba(255,255,255,0.92);
    }

    body.dark-mode .composer-input,
    body.dark-mode .composer-textarea,
    body.dark-mode .detail-input,
    body.dark-mode .detail-textarea,
    body.dark-mode .detail-select,
    body.dark-mode .review-notes,
    body.dark-mode .rich-editor,
    body.dark-mode .filter-input,
    body.dark-mode .filter-select {
      background: rgba(30,30,30,0.92);
    }

    .composer-textarea,
    .detail-textarea,
    .review-notes,
    .rich-editor {
      padding: 16px 18px;
      line-height: 1.62;
    }

    .composer-textarea {
      min-height: 180px;
      padding: 18px 18px 72px;
    }

    .composer-textarea-wrap .composer-textarea {
      padding-right: 72px;
      padding-bottom: 70px;
    }

    #clearComposerBtn {
      min-height: 46px;
      padding: 0 14px;
      justify-self: flex-start;
      border-radius: 14px;
      border: 1px solid var(--border-soft);
      background: rgba(255,255,255,0.74);
      color: var(--muted);
    }

    body.dark-mode #clearComposerBtn {
      background: rgba(30,30,30,0.78);
    }

    .image-import-btn {
      right: 14px;
      bottom: 14px;
      width: 48px;
      height: 48px;
      border-radius: 15px;
      background: rgba(255,255,255,0.96);
    }

    body.dark-mode .image-import-btn {
      background: rgba(28,28,28,0.96);
    }

    .image-import-btn:hover {
      transform: translateY(-1px);
      border-color: rgba(115,103,240,0.22);
      color: var(--accent-strong);
    }

    .composer-actions {
      gap: 10px;
    }

    .composer-actions .soft-btn,
    .composer-actions .solid-btn {
      flex: 1 1 100%;
      justify-content: center;
    }

    .voice-btn {
      min-height: 52px;
    }

    .voice-status {
      font-size: 0.93rem;
    }

    .controls {
      padding: clamp(16px, 4vw, 22px);
      gap: 16px;
    }

    .controls-head,
    .board-head,
    .upcoming-head,
    .detail-head {
      gap: 14px;
    }

    .views {
      gap: 8px;
    }

    .view-btn {
      min-height: 46px;
      padding: 0 16px;
      border-radius: 14px;
      font-size: 0.94rem;
    }

    .filters-grid {
      grid-template-columns: 1fr;
      gap: 10px;
    }

    .filter-select-wrap::after,
    .detail-select-wrap::after,
    .select-wrap::after {
      right: 16px;
      font-size: 0.94rem;
      color: currentColor;
      opacity: 0.76;
    }

    .board {
      gap: 18px;
    }

    .idea-grid {
      grid-template-columns: 1fr;
      gap: 14px;
    }

    .idea-card {
      min-height: 0;
      padding: 18px;
      gap: 14px;
      border-radius: 24px;
      background: linear-gradient(180deg, rgba(255,255,255,0.94), rgba(248,245,239,0.9));
      border-color: rgba(24,24,24,0.08);
      box-shadow: 0 18px 40px rgba(18,18,18,0.10), inset 0 1px 0 rgba(255,255,255,0.5);
    }

    body.dark-mode .idea-card {
      background: linear-gradient(180deg, rgba(28,28,28,0.94), rgba(20,20,20,0.96));
      box-shadow: 0 20px 44px rgba(0,0,0,0.24), inset 0 1px 0 rgba(255,255,255,0.04);
    }

    .idea-card::before {
      height: 5px;
      opacity: 1;
    }

    .card-top {
      align-items: flex-start;
      gap: 14px;
    }

    .card-side-actions {
      display: flex;
      flex-direction: row;
      gap: 8px;
      align-items: center;
      justify-content: flex-end;
      flex-wrap: wrap;
    }

    .card-delete,
    .card-download,
    .card-share {
      width: 38px;
      height: 38px;
      border-radius: 12px;
    }

    .card-copy {
      gap: 12px;
    }

    .card-badges {
      gap: 7px;
    }

    .category-chip,
    .status-chip,
    .upcoming-countdown {
      min-height: 30px;
      padding: 0 11px;
      border-radius: 999px;
      font-size: 0.75rem;
      letter-spacing: 0.01em;
    }

    .status-chip {
      min-height: 0;
      padding: 0;
      border-radius: 0;
      background: transparent;
      border-color: transparent;
      color: var(--status-text, #5b5650);
      box-shadow: none;
    }

    .card-title,
    .upcoming-title {
      font-size: clamp(1.08rem, 4.7vw, 1.32rem);
      line-height: 1.16;
      letter-spacing: -0.04em;
    }

    .card-summary,
    .upcoming-action {
      font-size: 0.95rem;
      line-height: 1.58;
    }

    .card-summary {
      -webkit-line-clamp: 2;
      min-height: 3.16em;
    }

    .card-footer {
      gap: 10px;
    }

    .mini-btn,
    .mini-tag {
      min-height: 42px;
      padding: 0 14px;
      border-radius: 14px;
      font-size: 0.92rem;
    }

    .mini-btn.move-btn,
    .mini-btn.icon {
      width: 42px;
      min-width: 42px;
      padding: 0;
    }

    .upcoming-card {
      gap: 16px;
      padding: clamp(18px, 4vw, 24px);
      background: linear-gradient(180deg, rgba(240,237,255,0.84), rgba(255,255,255,0.96));
      border-color: rgba(115,103,240,0.16);
    }

    body.dark-mode .upcoming-card {
      background: linear-gradient(180deg, rgba(40,35,72,0.7), rgba(18,18,18,0.95));
    }

    .upcoming-list {
      gap: 10px;
    }

    .upcoming-item {
      padding: 16px;
      border-radius: 18px;
      background: rgba(255,255,255,0.84);
    }

    body.dark-mode .upcoming-item {
      background: rgba(28,28,28,0.92);
    }

    .upcoming-footer-row {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 2px;
    }

    .upcoming-reminder-wrap {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-left: auto;
    }

    body.dark-mode .upcoming-reminder-btn {
      background: rgba(32,32,32,0.94);
      color: var(--muted);
      border-color: var(--line);
    }

    body.dark-mode .upcoming-reminder-btn[aria-pressed="true"] {
      background: rgba(115,103,240,0.18);
      color: #fff;
      border-color: rgba(115,103,240,0.24);
    }

    .empty {
      padding: 36px 22px;
      border-radius: 24px;
      background: linear-gradient(180deg, rgba(255,255,255,0.7), rgba(248,245,239,0.72));
      line-height: 1.6;
    }

    body.dark-mode .empty {
      background: linear-gradient(180deg, rgba(24,24,24,0.88), rgba(18,18,18,0.92));
    }

    .empty strong {
      font-size: 1.12rem;
      letter-spacing: -0.02em;
    }

    .drawer-overlay,
    .prompt-overlay {
      padding: 0;
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
    }

    .drawer-overlay {
      align-items: flex-end;
      background: rgba(10,10,12,0.5);
    }

    .prompt-overlay {
      padding: 16px;
      background: rgba(10,10,12,0.42);
    }

    .prompt-dialog {
      width: min(100%, 560px);
      padding: 22px;
      border-radius: 24px;
      background: linear-gradient(180deg, rgba(250,248,243,0.98), rgba(255,255,255,0.98));
      box-shadow: 0 28px 72px rgba(18,18,18,0.16);
    }

    body.dark-mode .prompt-dialog {
      background: linear-gradient(180deg, rgba(26,26,26,0.98), rgba(18,18,18,0.98));
    }

    .prompt-actions {
      gap: 10px;
    }

    .prompt-actions .top-btn,
    .prompt-actions .solid-btn {
      flex: 1 1 100%;
      justify-content: center;
    }

    .drawer {
      width: 100%;
      height: min(94dvh, 980px);
      border-radius: 28px 28px 0 0;
      border-bottom: 0;
      box-shadow: 0 -14px 44px rgba(18,18,18,0.18);
      background: linear-gradient(180deg, rgba(248,246,241,0.98), rgba(255,255,255,0.98));
    }

    body.dark-mode .drawer {
      background: linear-gradient(180deg, rgba(22,22,22,0.98), rgba(16,16,16,0.98));
      box-shadow: 0 -16px 46px rgba(0,0,0,0.42);
    }

    .drawer-top,
    .drawer-bottom {
      padding: 14px;
      background: rgba(255,255,255,0.86);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
    }

    body.dark-mode .drawer-top,
    body.dark-mode .drawer-bottom {
      background: rgba(18,18,18,0.92);
    }

    .drawer-head h2 {
      font-size: clamp(1.35rem, 5vw, 1.7rem);
    }

    .close-btn {
      width: 46px;
      height: 46px;
      border-radius: 14px;
    }

    .drawer-scroll {
      padding: 14px;
      gap: 14px;
    }

    .drawer-bottom {
      display: grid;
      grid-template-columns: 1fr;
      gap: 10px;
    }

    .drawer-bottom > div {
      width: 100%;
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }

    .drawer-bottom > div:last-child .top-btn,
    .drawer-bottom > div:last-child .solid-btn {
      flex: 1 1 0;
      justify-content: center;
    }

    .drawer-icon-btn,
    .danger-icon-btn {
      width: 52px;
      min-width: 52px;
      height: 52px;
      border-radius: 16px;
    }

    .detail-card {
      padding: 16px;
      gap: 14px;
      border-radius: 22px;
      background: rgba(255,255,255,0.92);
    }

    .detail-card.structure-card {
      background: linear-gradient(180deg, rgba(239,236,255,0.7), rgba(255,255,255,0.96));
      border-color: rgba(115,103,240,0.16);
    }

    .detail-card.action-card {
      background: linear-gradient(180deg, rgba(247,243,232,0.94), rgba(255,255,255,0.98));
      border-color: rgba(188,171,127,0.18);
    }

    body.dark-mode .detail-card {
      background: rgba(28,28,28,0.94);
    }

    body.dark-mode .detail-card.structure-card {
      background: linear-gradient(180deg, rgba(40,35,72,0.68), rgba(24,24,24,0.96));
    }

    body.dark-mode .detail-card.action-card {
      background: linear-gradient(180deg, rgba(63,55,37,0.66), rgba(24,24,24,0.96));
    }

    .detail-head h3,
    .review-panel-head h4 {
      font-size: 1.08rem;
      line-height: 1.05;
      letter-spacing: -0.03em;
    }

    .detail-grid {
      grid-template-columns: 1fr;
      gap: 12px;
    }

    .field-block {
      gap: 8px;
    }

    .field-block.span-2 {
      grid-column: auto;
    }

    .field-block label,
    .review-notes-wrap label {
      font-size: 0.82rem;
      font-weight: 800;
      letter-spacing: 0.02em;
      text-transform: uppercase;
    }

    .detail-textarea,
    .review-notes,
    .rich-editor {
      min-height: 148px;
    }

    .review-actions-row {
      gap: 8px;
    }

    .review-btn,
    .export-btn {
      min-height: 44px;
      padding: 0 16px;
      border-radius: 14px;
    }

    .structure-grid,
    .review-panel {
      gap: 12px;
    }

    .structure-empty {
      min-height: 108px;
      padding: 24px 18px;
      border-radius: 18px;
      line-height: 1.6;
      background: rgba(255,255,255,0.72);
    }

    .rich-toolbar-panel {
      padding: 10px;
      border-radius: 18px;
      background: rgba(255,255,255,0.78);
    }

    body.dark-mode .rich-toolbar-panel {
      background: rgba(24,24,24,0.9);
    }

    .rich-toolbar {
      gap: 7px;
    }

    .toolbar-btn {
      min-height: 40px;
      padding: 0 12px;
      border-radius: 12px;
    }

    .toast-stack {
      right: 12px;
      left: 12px;
      bottom: max(12px, env(safe-area-inset-bottom, 0px));
      width: auto;
    }

    .toast {
      border-radius: 16px;
      padding: 14px 15px;
      font-size: 0.93rem;
      box-shadow: 0 18px 38px rgba(0,0,0,0.18);
    }

    @media (min-width: 640px) {
      .idea-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .card-side-actions {
        display: grid;
        gap: 8px;
      }

      .prompt-actions .top-btn,
      .prompt-actions .solid-btn {
        flex: 0 0 auto;
      }
    }

    @media (min-width: 760px) {
      .topbar {
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
      }

      .brand {
        align-items: center;
        gap: 18px;
      }

      .brand-mark {
        width: 64px;
        height: 64px;
        border-radius: 22px;
      }

      .brand-copy .brand-divider {
        display: inline;
      }

      .brand-copy .brand-line {
        flex-basis: auto;
        display: inline;
        max-width: none;
      }

      .top-actions {
        width: auto;
        justify-content: flex-end;
      }

      .top-actions > * {
        flex: 0 0 auto;
      }

      .language-toggle-group {
        width: auto;
      }

      .language-toggle-btn {
        min-width: 58px;
      }

      .composer-grid {
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
      }

      #clearComposerBtn {
        justify-self: end;
      }

      .composer-actions .soft-btn,
      .composer-actions .solid-btn {
        flex: 0 0 auto;
      }

      .filters-grid {
        grid-template-columns: minmax(0, 1.35fr) repeat(2, minmax(180px, 1fr));
      }

      .drawer-overlay {
        padding: 20px;
        align-items: center;
      }

      .drawer {
        width: min(100%, 1040px);
        height: min(calc(100vh - 40px), 920px);
        border-radius: 30px;
        border-bottom: 1px solid var(--border-soft);
        box-shadow: 0 28px 76px rgba(18,18,18,0.18);
      }

      body.dark-mode .drawer {
        box-shadow: 0 30px 80px rgba(0,0,0,0.42);
      }

      .drawer-top,
      .drawer-bottom,
      .drawer-scroll {
        padding-left: 18px;
        padding-right: 18px;
      }

      .drawer-bottom {
        grid-template-columns: auto auto;
        align-items: center;
      }

      .drawer-bottom > div:last-child {
        justify-content: flex-end;
      }

      .drawer-bottom > div:last-child .top-btn,
      .drawer-bottom > div:last-child .solid-btn {
        flex: 0 0 auto;
      }

      .detail-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .field-block.span-2 {
        grid-column: span 2;
      }
    }

    @media (min-width: 1120px) {
      .shell {
        gap: 28px;
      }

      .idea-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 16px;
      }

      .composer,
      .controls,
      .topbar {
        padding-left: 24px;
        padding-right: 24px;
      }

      .composer-head > div {
        max-width: 58rem;
      }
    }

  

    .composer {
      position: relative;
      overflow: hidden;
      --composer-glow-x: 92%;
      --composer-glow-y: 14%;
    }

    .composer::after {
      content: "";
      position: absolute;
      left: calc(var(--composer-glow-x) - 220px);
      top: calc(var(--composer-glow-y) - 220px);
      width: 440px;
      height: 440px;
      border-radius: 50%;
      pointer-events: none;
      opacity: 0;
      background: radial-gradient(circle, rgba(133, 114, 255, 0.115) 0%, rgba(133, 114, 255, 0.075) 24%, rgba(133, 114, 255, 0.04) 42%, rgba(133, 114, 255, 0.014) 58%, rgba(133, 114, 255, 0) 74%);
      filter: blur(22px);
      transform: translate3d(0, 0, 0);
      transition: opacity .22s ease;
      z-index: 0;
    }

    .composer.is-cursor-glow-active::after {
      opacity: 1;
    }

    body.dark-mode .composer::after {
      background: radial-gradient(circle, rgba(133, 114, 255, 0.155) 0%, rgba(133, 114, 255, 0.095) 24%, rgba(133, 114, 255, 0.055) 42%, rgba(133, 114, 255, 0.02) 58%, rgba(133, 114, 255, 0) 74%);
    }

    .composer-textarea-wrap {
      position: relative;
    }

    .composer-textarea-wrap .composer-textarea {
      padding-right: 258px;
      padding-bottom: 70px;
    }

    .composer-category-wrap {
      position: absolute;
      right: 130px;
      bottom: 14px;
      width: 112px;
      z-index: 2;
    }

    .composer-category-wrap::after {
      right: 14px;
      font-size: 0.82rem;
    }

    .composer-category-select {
      width: 100%;
      min-height: 48px;
      height: 48px;
      padding: 0 34px 0 14px;
      border-radius: 15px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.96);
      color: var(--text);
      box-shadow: var(--shadow-soft);
      font-size: 0.88rem;
      font-weight: 700;
      appearance: none;
      -webkit-appearance: none;
      cursor: pointer;
    }

    body.dark-mode .composer-category-select {
      background: rgba(28,28,28,0.96);
      color: var(--text);
    }

    .voice-btn.voice-btn-inline {
      position: absolute;
      right: 72px;
      bottom: 14px;
      width: 48px;
      height: 48px;
      min-width: 48px;
      min-height: 48px;
      padding: 0;
      border-radius: 15px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(255,255,255,0.96);
      border: 1px solid var(--line);
      color: var(--accent-strong);
      box-shadow: var(--shadow-soft);
      z-index: 2;
      flex: 0 0 auto;
    }

    .voice-btn.voice-btn-inline #voiceCaptureLabel {
      display: none;
    }

    .voice-btn.voice-btn-inline .mini-icon {
      width: 18px;
      height: 18px;
    }

    .voice-btn.voice-btn-inline:hover {
      transform: translateY(-1px);
      border-color: rgba(115,103,240,0.22);
      color: var(--accent-strong);
      background: rgba(255,255,255,0.98);
    }

    .voice-btn.voice-btn-inline.listening {
      background: rgba(115,103,240,0.12);
      border-color: rgba(115,103,240,0.20);
      color: var(--accent-strong);
      box-shadow: 0 12px 28px rgba(115,103,240,0.16);
    }

    body.dark-mode .voice-btn.voice-btn-inline,
    body.dark-mode .image-import-btn {
      background: rgba(28,28,28,0.96);
    }

    body.dark-mode .voice-btn.voice-btn-inline:hover {
      border-color: rgba(115,103,240,0.28);
      color: #9a90ff;
      background: rgba(32,32,32,0.98);
    }

    body.dark-mode .voice-btn.voice-btn-inline.listening {
      background: rgba(115,103,240,0.18);
      border-color: rgba(115,103,240,0.28);
      color: #b1abff;
      box-shadow: 0 16px 30px rgba(115,103,240,0.20);
    }

    .image-import-btn {
      right: 14px;
      bottom: 14px;
      width: 48px;
      height: 48px;
      border-radius: 15px;
    }

    .composer-actions {
      gap: 10px;
      align-items: center;
    }

    .composer-actions .solid-btn,
    .composer-actions #addBtn {
      flex: 0 0 auto;
      min-width: 154px;
    }

    .idea-card {
      min-height: 0;
      padding: 22px 24px 24px;
      gap: 18px;
      overflow: hidden;
    }

    .idea-card::before {
      height: 5px;
      opacity: 1;
    }

    .idea-card::after {
      content: "";
      position: absolute;
      inset: -14% auto -14% -42%;
      width: 42%;
      background: linear-gradient(100deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.14) 42%, rgba(255,255,255,0.34) 50%, rgba(255,255,255,0.11) 59%, rgba(255,255,255,0) 100%);
      opacity: 0;
      pointer-events: none;
      transform: translate3d(-140%, 0, 0) skewX(-18deg);
      transition: opacity .22s ease;
      z-index: 0;
      will-change: transform, opacity;
    }

    .idea-card > * {
      position: relative;
      z-index: 1;
    }

    .idea-card:hover::after,
    .idea-card:focus-visible::after {
      opacity: 1;
      animation: ideaCardSweep 920ms cubic-bezier(.22,.61,.36,1) 1;
    }

    @keyframes ideaCardSweep {
      0% {
        transform: translate3d(-140%, 0, 0) skewX(-18deg);
      }
      100% {
        transform: translate3d(455%, 0, 0) skewX(-18deg);
      }
    }

    body.dark-mode .idea-card::after {
      background: linear-gradient(100deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.06) 42%, rgba(255,255,255,0.16) 50%, rgba(255,255,255,0.05) 59%, rgba(255,255,255,0) 100%);
    }

    .card-top {
      align-items: flex-start;
      gap: 18px;
    }

    .card-copy {
      gap: 14px;
    }

    .card-badges {
      gap: 9px;
      margin-bottom: 2px;
    }

    .card-title,
    .upcoming-title {
      line-height: 1.14;
    }

    .card-summary {
      line-height: 1.62;
      min-height: 3.24em;
      margin-top: 2px;
    }

    .card-footer {
      gap: 12px;
      padding-top: 2px;
    }

    .card-side-actions {
      gap: 10px;
    }

    .card-delete,
    .card-download,
    .card-share {
      width: 40px;
      height: 40px;
      border-radius: 14px;
    }

    .mini-btn,
    .mini-tag {
      min-height: 44px;
      padding: 0 16px;
    }

    .mini-btn.move-btn,
    .mini-btn.icon {
      width: 44px;
      min-width: 44px;
    }

    @media (max-width: 699.98px) {
      .composer-textarea-wrap .composer-textarea {
        padding-right: 254px;
      }

      .composer-actions .solid-btn,
      .composer-actions #addBtn {
        width: 100%;
        min-width: 0;
        flex: 1 1 100%;
      }

      .idea-card {
        padding: 20px;
        gap: 16px;
      }
    }

    @media (max-width: 1023.98px), (pointer: coarse) {
      .composer::after {
        display: none;
      }
    }
  

    html,
    body {
      background: linear-gradient(180deg, #fdfcff 0%, #fbfaff 56%, #f8f7fb 100%) !important;
    }

    body {
      background: linear-gradient(180deg, #fdfcff 0%, #fbfaff 56%, #f8f7fb 100%) !important;
    }

    body::before {
      background:
        radial-gradient(62rem 62rem at -10% -14%, rgba(145, 124, 255, 0.11) 0%, rgba(145, 124, 255, 0.055) 22%, rgba(145, 124, 255, 0.018) 36%, rgba(145, 124, 255, 0) 66%),
        radial-gradient(32rem 26rem at 100% 0%, rgba(188, 173, 255, 0.045) 0%, rgba(188, 173, 255, 0) 60%),
        radial-gradient(22rem 22rem at 50% 100%, rgba(255, 255, 255, 0.18) 0%, rgba(255, 255, 255, 0) 72%);
    }

    html[data-theme="dark"],
    html[data-theme="dark"] body,
    body.dark-mode {
      background: linear-gradient(180deg, #141414 0%, #0d0d0d 100%) !important;
    }

    body.dark-mode::before {
      background:
        radial-gradient(58rem 58rem at -10% -14%, rgba(115, 103, 240, 0.16) 0%, rgba(115, 103, 240, 0.08) 22%, rgba(115, 103, 240, 0.03) 36%, rgba(115, 103, 240, 0) 66%),
        radial-gradient(30rem 24rem at 100% 0%, rgba(115, 103, 240, 0.08) 0%, rgba(115, 103, 240, 0) 60%),
        radial-gradient(22rem 22rem at 50% 100%, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0) 72%);
    }

    .idea-card {
      background:
        radial-gradient(22rem 16rem at 100% 0%, rgba(150, 130, 255, 0.085) 0%, rgba(150, 130, 255, 0.042) 20%, rgba(150, 130, 255, 0) 58%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(248, 245, 252, 0.92)) !important;
    }

    body.dark-mode .idea-card {
      background:
        radial-gradient(22rem 16rem at 100% 0%, rgba(115, 103, 240, 0.13) 0%, rgba(115, 103, 240, 0.06) 22%, rgba(115, 103, 240, 0) 58%),
        linear-gradient(180deg, rgba(28, 28, 28, 0.94), rgba(20, 20, 20, 0.96)) !important;
    }

    .top-btn,
    .soft-btn,
    .solid-btn,
    .drawer-icon-btn,
    .danger-icon-btn,
    .voice-btn.voice-btn-inline,
    .image-import-btn,
    .card-delete,
    .card-download,
    .card-share {
      will-change: transform, box-shadow;
    }

    .top-btn:hover,
    .soft-btn:hover,
    .solid-btn:hover,
    .drawer-icon-btn:hover,
    .danger-icon-btn:hover,
    .voice-btn.voice-btn-inline:hover,
    .image-import-btn:hover,
    .card-delete:hover,
    .card-download:hover,
    .card-share:hover {
      transform: translateY(-3px) scale(1.035);
      box-shadow: 0 18px 34px rgba(18, 18, 18, 0.12);
    }

    body.dark-mode .top-btn:hover,
    body.dark-mode .soft-btn:hover,
    body.dark-mode .solid-btn:hover,
    body.dark-mode .drawer-icon-btn:hover,
    body.dark-mode .danger-icon-btn:hover,
    body.dark-mode .voice-btn.voice-btn-inline:hover,
    body.dark-mode .image-import-btn:hover,
    body.dark-mode .card-delete:hover,
    body.dark-mode .card-download:hover,
    body.dark-mode .card-share:hover {
      box-shadow: 0 20px 36px rgba(0, 0, 0, 0.34);
    }

    .mini-btn.structure,
    .mini-btn.move-btn {
      will-change: transform, box-shadow;
      transform-origin: center;
    }

    .mini-btn.structure:hover,
    .mini-btn.move-btn:hover {
      transform: translateY(-4px) scale(1.06);
      box-shadow: 0 18px 34px rgba(18, 18, 18, 0.14);
    }

    .mini-btn.structure:hover {
      background: #f0edff;
      border-color: rgba(115, 103, 240, 0.22);
    }

    .mini-btn.move-btn:hover {
      background: rgba(255, 255, 255, 0.98);
      border-color: rgba(24, 24, 24, 0.16);
    }

    body.dark-mode .mini-btn.structure:hover,
    body.dark-mode .mini-btn.move-btn:hover {
      box-shadow: 0 20px 36px rgba(0, 0, 0, 0.34);
    }

    body.dark-mode .mini-btn.structure:hover {
      background: rgba(115, 103, 240, 0.22);
      border-color: rgba(115, 103, 240, 0.30);
    }

    body.dark-mode .mini-btn.move-btn:hover {
      background: rgba(44, 44, 44, 0.98);
      border-color: rgba(255, 255, 255, 0.14);
    }
  

    @media (min-width: 900px) {
      #boardSub {
        max-width: none;
        white-space: nowrap;
      }
    }

    @media (max-width: 760px) {
      .top-actions {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        grid-template-areas:
          "collaborate theme"
          "lang lang";
        align-items: center;
        gap: 10px;
      }

      .top-actions > * {
        flex: none;
      }

      #collaborateBtn {
        grid-area: collaborate;
        width: 100%;
      }

      .language-toggle-group {
        grid-area: lang;
        width: 100%;
      }

      #themeToggleBtn {
        grid-area: theme;
        justify-self: end;
      }
    }

    @media (max-width: 699.98px) {
      .composer-textarea,
      .composer-textarea::placeholder {
        font-size: 0.94rem;
        line-height: 1.5;
      }

      .composer-textarea {
        padding: 16px 16px 72px;
      }

      .composer-textarea-wrap .composer-textarea {
        padding-right: 92px;
        padding-bottom: 72px;
      }
    }
  


    .reminder-btn {
      width: 100%;
      min-height: 56px;
      padding: 0;
      border-radius: 18px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0;
    }

    .reminder-btn .mini-icon {
      width: 18px;
      height: 18px;
    }

    .reminder-btn[aria-pressed="true"] {
      background: var(--accent-soft);
      color: var(--accent-strong);
      border-color: rgba(115,103,240,0.16);
      box-shadow: 0 10px 22px rgba(115,103,240,0.08);
    }

    .reminder-btn[disabled] {
      opacity: 0.56;
      cursor: not-allowed;
      transform: none;
      box-shadow: var(--shadow-soft);
    }

    .reminder-btn[disabled]:hover {
      transform: none;
      box-shadow: var(--shadow-soft);
    }

    @media (min-width: 760px) {
      .detail-card.action-card .detail-grid {
        grid-template-columns: minmax(0, 1.2fr) minmax(210px, 0.85fr) minmax(0, 1fr);
        align-items: end;
      }

      .detail-card.action-card .field-block.span-2 {
        grid-column: 1 / -1;
      }
    }


    @media (max-width: 640px) {
      .topbar {
        padding: 14px;
        gap: 12px;
      }

      .brand {
        gap: 12px;
      }

      .brand-mark {
        width: 48px;
        height: 48px;
        border-radius: 16px;
      }

      .brand-copy h1 {
        font-size: clamp(1.08rem, 8vw, 1.46rem);
        row-gap: 4px;
        column-gap: 6px;
      }

      .brand-copy .brand-line {
        font-size: 0.86rem;
        line-height: 1.38;
        max-width: 24ch;
      }

      #collaborateBtn,
      .language-toggle-group,
      .language-toggle-btn,
      #themeToggleBtn {
        box-shadow: 0 8px 20px rgba(18,18,18,0.06);
      }

      #collaborateBtn {
        min-height: 46px;
        padding: 0 14px;
        border-radius: 14px;
        font-size: 0.9rem;
      }

      .language-toggle-group {
        padding: 4px;
        gap: 4px;
        border-radius: 14px;
      }

      .language-toggle-btn {
        min-height: 38px;
        padding: 0 10px;
        border-radius: 11px;
        font-size: 0.82rem;
        font-weight: 800;
      }

      #themeToggleBtn,
      .theme-toggle-btn {
        width: 46px;
        min-width: 46px;
        min-height: 46px;
        flex: 0 0 46px;
        border-radius: 14px;
      }

      .theme-toggle-btn svg {
        width: 18px;
        height: 18px;
      }
    }


    @media (max-width: 640px) {
      .topbar {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        grid-template-areas:
          "brand lang"
          "collab theme";
        align-items: center;
        gap: 10px 12px;
      }

      .topbar > .brand {
        grid-area: brand;
        min-width: 0;
        align-items: center;
      }

      .topbar > .top-actions {
        display: contents;
      }

      .brand-copy {
        min-width: 0;
      }

      .brand-copy h1 {
        display: block;
        font-size: clamp(1.05rem, 6.2vw, 1.42rem);
        line-height: 1.04;
        white-space: nowrap;
      }

      .brand-copy .brand-divider,
      .brand-copy .brand-line {
        display: none;
      }

      .language-toggle-group {
        grid-area: lang;
        width: auto;
        justify-content: flex-end;
        align-self: center;
        padding: 4px;
        gap: 3px;
        border-radius: 13px;
      }

      .language-toggle-btn {
        min-width: 46px;
        min-height: 36px;
        padding: 0 10px;
        border-radius: 10px;
        font-size: 0.8rem;
      }

      #collaborateBtn {
        grid-area: collab;
        width: 100%;
        min-width: 0;
        justify-self: stretch;
      }

      #themeToggleBtn,
      .theme-toggle-btn {
        grid-area: theme;
        justify-self: end;
      }
    }


/* Current update: bottom collaborate placement, mobile detail focus safety, and new-card pulse */
.collaborate-footer {
  padding: clamp(16px, 3vw, 22px);
  display: flex;
  justify-content: center;
  align-items: center;
}

.collaborate-footer #collaborateBtn {
  width: 100%;
  max-width: 360px;
  justify-content: center;
}

.idea-card.is-new {
  animation: idea-card-pulse 1.8s ease-out 1;
  border-color: rgba(115, 103, 240, 0.24);
}

.idea-card.is-new::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(115, 103, 240, 0.10);
}

@keyframes idea-card-pulse {
  0% {
    transform: translateY(0) scale(1);
    box-shadow: 0 0 0 0 rgba(115, 103, 240, 0.24), 0 18px 40px rgba(18, 18, 18, 0.10), inset 0 1px 0 rgba(255,255,255,0.5);
  }
  30% {
    transform: translateY(-2px) scale(1.01);
    box-shadow: 0 0 0 14px rgba(115, 103, 240, 0), 0 24px 48px rgba(18, 18, 18, 0.12), inset 0 1px 0 rgba(255,255,255,0.56);
  }
  100% {
    transform: translateY(0) scale(1);
    box-shadow: 0 18px 40px rgba(18, 18, 18, 0.10), inset 0 1px 0 rgba(255,255,255,0.5);
  }
}

body.dark-mode .idea-card.is-new {
  border-color: rgba(115, 103, 240, 0.36);
}

body.dark-mode .idea-card.is-new::after {
  box-shadow: inset 0 0 0 1px rgba(115, 103, 240, 0.18);
}

@media (max-width: 640px) {
  .topbar {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "brand lang"
      "brand theme";
    align-items: center;
  }

  .topbar > .top-actions {
    display: contents;
  }

  .language-toggle-group {
    grid-area: lang;
  }

  #themeToggleBtn,
  .theme-toggle-btn {
    grid-area: theme;
    justify-self: end;
  }

  .collaborate-footer {
    padding: 14px;
  }

  .collaborate-footer #collaborateBtn {
    max-width: none;
  }
}


/* Current update: standalone collaborate button and single-row mobile header */
.collaborate-footer {
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
  overflow: visible;
  padding: 12px 0 18px;
  justify-content: flex-start;
  align-items: flex-start;
}

.collaborate-footer::before,
.collaborate-footer::after {
  content: none;
}

.collaborate-footer #collaborateBtn {
  width: auto;
  min-width: 220px;
  max-width: none;
  margin: 0;
}

@media (max-width: 640px) {
  .topbar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: nowrap;
    padding: 12px;
  }

  .brand {
    flex: 1 1 auto;
    min-width: 0;
    align-items: center;
    gap: 10px;
  }

  .brand-mark {
    width: 42px;
    height: 42px;
    min-width: 42px;
    border-radius: 14px;
    padding: 6px;
  }

  .brand-copy {
    min-width: 0;
    flex: 1 1 auto;
  }

  .brand-copy h1 {
    display: block;
    font-size: clamp(0.98rem, 5vw, 1.2rem);
    line-height: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .brand-copy .brand-divider,
  .brand-copy .brand-line {
    display: none;
  }

  .topbar > .top-actions {
    width: auto;
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: nowrap;
  }

  .language-toggle-group {
    width: auto;
    padding: 3px;
    gap: 2px;
    border-radius: 12px;
  }

  .language-toggle-btn {
    min-width: 34px;
    min-height: 32px;
    padding: 0 7px;
    border-radius: 9px;
    font-size: 0.74rem;
    font-weight: 800;
  }

  #themeToggleBtn,
  .theme-toggle-btn {
    width: 40px;
    min-width: 40px;
    min-height: 40px;
    flex: 0 0 40px;
    border-radius: 12px;
    justify-self: auto;
  }

  .theme-toggle-btn svg {
    width: 17px;
    height: 17px;
  }

  .collaborate-footer {
    padding: 4px 0 0;
    justify-content: center;
    align-items: stretch;
  }

  .collaborate-footer #collaborateBtn {
    width: 100%;
    min-width: 0;
  }
}

@media (min-width: 1024px) {
  .composer-head p {
    max-width: none;
    white-space: nowrap;
  }
}

/* Current update: softer shadow system and standalone collaborate button */
:root {
  --shadow: 0 8px 22px rgba(18, 18, 18, 0.03);
  --shadow-soft: 0 4px 14px rgba(18, 18, 18, 0.022);
  --shadow-card: 0 12px 30px rgba(18, 18, 18, 0.034);
  --shadow-lift: 0 10px 22px rgba(18, 18, 18, 0.05);
  --glass-lift-shadow: 0 8px 20px rgba(18, 18, 18, 0.028);
}

body.dark-mode {
  --shadow: 0 12px 28px rgba(0, 0, 0, 0.145);
  --shadow-soft: 0 6px 16px rgba(0, 0, 0, 0.112);
  --shadow-card: 0 14px 34px rgba(0, 0, 0, 0.178);
  --shadow-lift: 0 12px 24px rgba(0, 0, 0, 0.198);
  --glass-lift-shadow: 0 10px 24px rgba(0, 0, 0, 0.116);
}

.card {
  box-shadow:
    var(--shadow-card),
    var(--glass-lift-shadow),
    inset 0 1px 0 var(--glass-inner-highlight),
    inset 0 -1px 0 rgba(255, 255, 255, 0.12);
}

.composer {
  box-shadow:
    0 14px 34px rgba(18, 18, 18, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.68),
    inset 0 0 0 1px rgba(255, 255, 255, 0.14);
}

.idea-card,
.detail-card,
.upcoming-item,
.prompt-dialog,
.drawer,
.drawer-top,
.drawer-bottom,
input,
textarea,
select,
.rich-editor,
.composer-category-select,
.language-toggle-group,
.image-import-btn,
.top-btn,
.ghost-btn,
.soft-btn,
.view-btn,
.mini-btn,
.mini-tag,
.toolbar-btn,
.editor-tools-toggle,
.close-btn,
.card-delete,
.card-download,
.card-share,
.drawer-icon-btn,
.danger-icon-btn,
.stats-pill {
  box-shadow:
    0 8px 20px rgba(18, 18, 18, 0.045),
    inset 0 1px 0 rgba(255, 255, 255, 0.48),
    inset 0 -1px 0 rgba(255, 255, 255, 0.07);
}

.idea-card:hover,
.upcoming-item:hover,
.top-btn:hover,
.ghost-btn:hover,
.soft-btn:hover,
.solid-btn:hover,
.view-btn:hover,
.mini-btn:hover,
.toolbar-btn:hover,
.card-delete:hover,
.card-download:hover,
.card-share:hover,
.drawer-icon-btn:hover,
.danger-icon-btn:hover,
.image-import-btn:hover {
  box-shadow: 0 10px 22px rgba(18, 18, 18, 0.05);
}

.idea-card.is-new::after {
  box-shadow: inset 0 0 0 1px rgba(115, 103, 240, 0.08);
}

@keyframes idea-card-pulse {
  0% {
    transform: translateY(0) scale(1);
    box-shadow: 0 0 0 0 rgba(115, 103, 240, 0.16), 0 10px 22px rgba(18, 18, 18, 0.07), inset 0 1px 0 rgba(255,255,255,0.48);
  }
  30% {
    transform: translateY(-2px) scale(1.01);
    box-shadow: 0 0 0 10px rgba(115, 103, 240, 0), 0 14px 28px rgba(18, 18, 18, 0.08), inset 0 1px 0 rgba(255,255,255,0.52);
  }
  100% {
    transform: translateY(0) scale(1);
    box-shadow: 0 10px 22px rgba(18, 18, 18, 0.07), inset 0 1px 0 rgba(255,255,255,0.48);
  }
}

body.dark-mode .card {
  box-shadow:
    var(--shadow-card),
    var(--glass-lift-shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    inset 0 -1px 0 rgba(255, 255, 255, 0.02);
}

body.dark-mode .composer {
  box-shadow:
    0 16px 38px rgba(0, 0, 0, 0.19),
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

body.dark-mode .idea-card,
body.dark-mode .detail-card,
body.dark-mode .upcoming-item,
body.dark-mode .prompt-dialog,
body.dark-mode .drawer,
body.dark-mode .drawer-top,
body.dark-mode .drawer-bottom,
body.dark-mode input,
body.dark-mode textarea,
body.dark-mode select,
body.dark-mode .rich-editor,
body.dark-mode .composer-category-select,
body.dark-mode .language-toggle-group,
body.dark-mode .image-import-btn,
body.dark-mode .top-btn,
body.dark-mode .ghost-btn,
body.dark-mode .soft-btn,
body.dark-mode .view-btn,
body.dark-mode .mini-btn,
body.dark-mode .mini-tag,
body.dark-mode .toolbar-btn,
body.dark-mode .editor-tools-toggle,
body.dark-mode .close-btn,
body.dark-mode .card-delete,
body.dark-mode .card-download,
body.dark-mode .card-share,
body.dark-mode .drawer-icon-btn,
body.dark-mode .danger-icon-btn,
body.dark-mode .stats-pill {
  box-shadow:
    0 10px 22px rgba(0, 0, 0, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.055),
    inset 0 -1px 0 rgba(255, 255, 255, 0.02);
}

body.dark-mode .idea-card:hover,
body.dark-mode .upcoming-item:hover,
body.dark-mode .top-btn:hover,
body.dark-mode .ghost-btn:hover,
body.dark-mode .soft-btn:hover,
body.dark-mode .solid-btn:hover,
body.dark-mode .view-btn:hover,
body.dark-mode .mini-btn:hover,
body.dark-mode .toolbar-btn:hover,
body.dark-mode .card-delete:hover,
body.dark-mode .card-download:hover,
body.dark-mode .card-share:hover,
body.dark-mode .drawer-icon-btn:hover,
body.dark-mode .danger-icon-btn:hover,
body.dark-mode .image-import-btn:hover {
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.19);
}

.collaborate-footer {
  display: flex;
  width: auto;
  align-self: start;
  justify-content: flex-start;
  padding: 0 !important;
  background: transparent !important;
  background-image: none !important;
  border: 0 !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  overflow: visible !important;
}

.collaborate-footer::before,
.collaborate-footer::after {
  content: none !important;
  display: none !important;
}

.collaborate-footer #collaborateBtn {
  width: auto;
  min-width: 220px;
  max-width: none;
  margin: 0;
}

@media (max-width: 640px) {
  .collaborate-footer {
    width: 100%;
  }

  .collaborate-footer #collaborateBtn {
    width: 100%;
    min-width: 0;
  }
}


/* Current update: slightly softer shadows, visible top-left page glow, and category-tinted card glow */
:root {
  --glass-inner-highlight: rgba(255, 255, 255, 0.76);
  --glass-inner-shadow: rgba(255, 255, 255, 0.22);
  --glass-outline: rgba(255, 255, 255, 0.34);
  --glass-border-glow: rgba(255, 255, 255, 0.16);
  --page-corner-glow: rgba(116, 174, 255, 0.10);
  --page-corner-glow-soft: rgba(255, 197, 226, 0.045);
  --page-corner-glow-edge: rgba(115, 103, 240, 0.032);
}

body.dark-mode {
  --glass-inner-highlight: rgba(255, 255, 255, 0.09);
  --glass-inner-shadow: rgba(255, 255, 255, 0.04);
  --glass-outline: rgba(255, 255, 255, 0.10);
  --glass-border-glow: rgba(140, 161, 255, 0.10);
  --page-corner-glow: rgba(102, 136, 255, 0.14);
  --page-corner-glow-soft: rgba(143, 103, 240, 0.06);
  --page-corner-glow-edge: rgba(115, 103, 240, 0.055);
}

body {
  isolation: isolate;
}

.shell,
.toast-stack {
  position: relative;
  z-index: 1;
}

.drawer-overlay {
  z-index: 90;
}

.prompt-overlay {
  z-index: 95;
}

body::before {
  position: absolute;
  inset: 0 0 auto 0;
  height: clamp(36rem, 82vh, 58rem);
  z-index: 0;
  opacity: 0.92;
  filter: blur(12px);
  background:
    radial-gradient(30rem 30rem at -2% -2%, var(--page-corner-glow) 0%, rgba(116, 174, 255, 0) 58%),
    radial-gradient(24rem 24rem at 8% 6%, var(--page-corner-glow-soft) 0%, rgba(255, 197, 226, 0) 64%),
    linear-gradient(135deg, var(--page-corner-glow-edge) 0%, rgba(115, 103, 240, 0) 24%),
    radial-gradient(42rem 42rem at 12% -4%, var(--page-glow-1) 0%, rgba(115,103,240,0) 64%),
    radial-gradient(36rem 36rem at 100% 0%, var(--page-glow-2) 0%, rgba(218,191,128,0) 62%),
    radial-gradient(24rem 24rem at 50% 100%, var(--page-glow-3) 0%, rgba(255,255,255,0) 70%);
  background-repeat: no-repeat;
}

body::after {
  content: "";
  position: absolute;
  top: -8rem;
  left: -8rem;
  width: 28rem;
  height: 28rem;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.52;
  filter: blur(72px);
  background: radial-gradient(circle at 34% 34%, rgba(143, 184, 255, 0.14) 0%, rgba(143, 184, 255, 0.06) 42%, rgba(143, 184, 255, 0) 76%);
}

body.dark-mode::after {
  background: radial-gradient(circle at 34% 34%, rgba(102, 136, 255, 0.2) 0%, rgba(102, 136, 255, 0.09) 44%, rgba(102, 136, 255, 0) 78%);
  opacity: 0.76;
}

.card,
.composer,
.idea-card,
.detail-card,
.upcoming-card,
.upcoming-item,
.prompt-dialog,
.drawer,
.drawer-top,
.drawer-bottom,
input,
textarea,
select,
.rich-editor,
.composer-category-select,
.language-toggle-group,
.image-import-btn,
.voice-btn.voice-btn-inline,
.top-btn,
.ghost-btn,
.soft-btn,
.view-btn,
.mini-btn,
.mini-tag,
.toolbar-btn,
.editor-tools-toggle,
.close-btn,
.card-delete,
.card-download,
.card-share,
.drawer-icon-btn,
.danger-icon-btn,
.stats-pill {
  border-color: color-mix(in srgb, var(--border-soft) 66%, white 34%);
}

.card {
  box-shadow:
    var(--shadow-card),
    var(--glass-lift-shadow),
    0 0 0 1px var(--glass-border-glow),
    inset 0 1px 0 var(--glass-inner-highlight),
    inset 0 0 0 1px var(--glass-outline),
    inset 0 -1px 0 var(--glass-inner-shadow);
}

.composer {
  box-shadow:
    0 14px 34px rgba(18, 18, 18, 0.04),
    0 0 0 1px rgba(255, 255, 255, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.82),
    inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

.idea-card,
.detail-card,
.upcoming-item,
.prompt-dialog,
.drawer,
.drawer-top,
.drawer-bottom,
input,
textarea,
select,
.rich-editor,
.composer-category-select,
.language-toggle-group,
.image-import-btn,
.voice-btn.voice-btn-inline,
.top-btn,
.ghost-btn,
.soft-btn,
.view-btn,
.mini-btn,
.mini-tag,
.toolbar-btn,
.editor-tools-toggle,
.close-btn,
.card-delete,
.card-download,
.card-share,
.drawer-icon-btn,
.danger-icon-btn,
.stats-pill {
  box-shadow:
    0 7px 18px rgba(18, 18, 18, 0.03),
    0 0 0 1px rgba(255, 255, 255, 0.14),
    inset 0 1px 0 var(--glass-inner-highlight),
    inset 0 0 0 1px rgba(255, 255, 255, 0.18),
    inset 0 -1px 0 rgba(255, 255, 255, 0.08);
}

.idea-card {
  background:
    radial-gradient(15rem 11rem at 108% -4%, var(--card-accent-soft) 0%, rgba(255, 255, 255, 0) 66%),
    linear-gradient(180deg, rgba(255,255,255,0.95), rgba(248,245,239,0.9));
  border-color: var(--card-accent-border);
  box-shadow:
    0 8px 20px rgba(18, 18, 18, 0.034),
    0 0 0 1px rgba(255, 255, 255, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.78),
    inset 0 0 0 1px rgba(255, 255, 255, 0.18),
    inset 0 -1px 0 rgba(255, 255, 255, 0.08),
    inset -16px 16px 48px rgba(255, 255, 255, 0.03);
}

.idea-card::before {
  box-shadow: 0 0 18px color-mix(in srgb, var(--card-accent) 42%, transparent);
}

.idea-card::after {
  background: linear-gradient(100deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.16) 42%, rgba(255,255,255,0.38) 50%, rgba(255,255,255,0.12) 59%, rgba(255,255,255,0) 100%);
}

.idea-card:hover,
.idea-card:focus-visible {
  border-color: color-mix(in srgb, var(--card-accent-border) 78%, white 22%);
  box-shadow:
    0 10px 22px rgba(18, 18, 18, 0.042),
    0 0 0 1px color-mix(in srgb, var(--card-accent-border) 72%, rgba(255,255,255,0.18) 28%),
    inset 0 1px 0 rgba(255, 255, 255, 0.82),
    inset 0 0 0 1px rgba(255, 255, 255, 0.18),
    inset -22px 18px 58px color-mix(in srgb, var(--card-accent-soft) 74%, transparent 26%);
}

body.dark-mode .card,
body.dark-mode .detail-card,
body.dark-mode .upcoming-card,
body.dark-mode .upcoming-item,
body.dark-mode .prompt-dialog,
body.dark-mode .drawer,
body.dark-mode .drawer-top,
body.dark-mode .drawer-bottom,
body.dark-mode input,
body.dark-mode textarea,
body.dark-mode select,
body.dark-mode .rich-editor,
body.dark-mode .composer-category-select,
body.dark-mode .language-toggle-group,
body.dark-mode .image-import-btn,
body.dark-mode .voice-btn.voice-btn-inline,
body.dark-mode .top-btn,
body.dark-mode .ghost-btn,
body.dark-mode .soft-btn,
body.dark-mode .view-btn,
body.dark-mode .mini-btn,
body.dark-mode .mini-tag,
body.dark-mode .toolbar-btn,
body.dark-mode .editor-tools-toggle,
body.dark-mode .close-btn,
body.dark-mode .card-delete,
body.dark-mode .card-download,
body.dark-mode .card-share,
body.dark-mode .drawer-icon-btn,
body.dark-mode .danger-icon-btn,
body.dark-mode .stats-pill {
  border-color: color-mix(in srgb, var(--border-soft) 72%, white 28%);
}

body.dark-mode .card {
  box-shadow:
    var(--shadow-card),
    var(--glass-lift-shadow),
    0 0 0 1px rgba(140, 161, 255, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    inset 0 0 0 1px rgba(255, 255, 255, 0.08),
    inset 0 -1px 0 rgba(255, 255, 255, 0.03);
}

body.dark-mode .composer {
  box-shadow:
    0 16px 38px rgba(0, 0, 0, 0.19),
    0 0 0 1px rgba(133, 114, 255, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

body.dark-mode .idea-card,
body.dark-mode .detail-card,
body.dark-mode .upcoming-item,
body.dark-mode .prompt-dialog,
body.dark-mode .drawer,
body.dark-mode .drawer-top,
body.dark-mode .drawer-bottom,
body.dark-mode input,
body.dark-mode textarea,
body.dark-mode select,
body.dark-mode .rich-editor,
body.dark-mode .composer-category-select,
body.dark-mode .language-toggle-group,
body.dark-mode .image-import-btn,
body.dark-mode .voice-btn.voice-btn-inline,
body.dark-mode .top-btn,
body.dark-mode .ghost-btn,
body.dark-mode .soft-btn,
body.dark-mode .view-btn,
body.dark-mode .mini-btn,
body.dark-mode .mini-tag,
body.dark-mode .toolbar-btn,
body.dark-mode .editor-tools-toggle,
body.dark-mode .close-btn,
body.dark-mode .card-delete,
body.dark-mode .card-download,
body.dark-mode .card-share,
body.dark-mode .drawer-icon-btn,
body.dark-mode .danger-icon-btn,
body.dark-mode .stats-pill {
  box-shadow:
    0 9px 20px rgba(0, 0, 0, 0.14),
    0 0 0 1px rgba(255, 255, 255, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    inset 0 0 0 1px rgba(255, 255, 255, 0.04),
    inset 0 -1px 0 rgba(255, 255, 255, 0.02);
}

body.dark-mode .idea-card {
  background:
    radial-gradient(15rem 11rem at 108% -4%, color-mix(in srgb, var(--card-accent) 22%, transparent) 0%, rgba(0,0,0,0) 68%),
    linear-gradient(180deg, rgba(28,28,28,0.94), rgba(20,20,20,0.96));
  border-color: color-mix(in srgb, var(--card-accent-border) 86%, rgba(255,255,255,0.04) 14%);
  box-shadow:
    0 10px 22px rgba(0, 0, 0, 0.164),
    0 0 0 1px rgba(255, 255, 255, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    inset 0 0 0 1px rgba(255, 255, 255, 0.03),
    inset -18px 16px 48px color-mix(in srgb, var(--card-accent) 16%, transparent 84%);
}

body.dark-mode .idea-card::before {
  box-shadow: 0 0 18px color-mix(in srgb, var(--card-accent) 34%, transparent);
}

body.dark-mode .idea-card:hover,
body.dark-mode .idea-card:focus-visible {
  border-color: color-mix(in srgb, var(--card-accent-border) 92%, rgba(255,255,255,0.06) 8%);
  box-shadow:
    0 12px 24px rgba(0, 0, 0, 0.182),
    0 0 0 1px color-mix(in srgb, var(--card-accent) 28%, rgba(255,255,255,0.04) 72%),
    inset 0 1px 0 rgba(255, 255, 255, 0.09),
    inset 0 0 0 1px rgba(255, 255, 255, 0.04),
    inset -24px 18px 58px color-mix(in srgb, var(--card-accent) 18%, transparent 82%);
}

.idea-card .mini-btn.structure {
  background: rgba(255, 255, 255, 0.94);
  color: var(--accent-strong);
  border-color: rgba(24, 24, 24, 0.08);
  box-shadow: 0 10px 22px rgba(18, 18, 18, 0.06);
}

.idea-card .mini-btn.structure:hover,
.idea-card .mini-btn.structure:focus-visible {
  background: rgba(255, 255, 255, 0.98);
  border-color: rgba(115, 103, 240, 0.18);
  box-shadow: 0 12px 24px rgba(18, 18, 18, 0.08);
}

body.dark-mode .idea-card .mini-btn.structure {
  background: rgba(255, 255, 255, 0.92);
  color: var(--accent-strong);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.22);
}

body.dark-mode .idea-card .mini-btn.structure:hover,
body.dark-mode .idea-card .mini-btn.structure:focus-visible {
  background: #ffffff;
  border-color: rgba(115, 103, 240, 0.24);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.24);
}

.card-status-marker {
  min-width: 0.72rem;
  justify-content: center;
  font-size: 0.92rem;
  line-height: 1;
}


/* Current update: category inline meta, progressive next step, collaborate accent, and structure reveal */
.card-category-inline {
  display: inline-flex;
  align-items: center;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1;
}

.card-badge-separator {
  display: inline-flex;
  align-items: center;
  color: rgba(24, 24, 24, 0.3);
  font-size: 0.74rem;
  font-weight: 800;
  line-height: 1;
}

body.dark-mode .card-category-inline {
  color: var(--card-accent) !important;
}

body.dark-mode .card-badge-separator {
  color: rgba(255, 255, 255, 0.26);
}

.soft-btn.is-loading,
.mini-btn.structure.is-loading {
  opacity: 0.92;
  pointer-events: none;
}

.soft-btn.is-loading::after,
.mini-btn.structure.is-loading::after {
  content: "";
  width: 0.88rem;
  height: 0.88rem;
  margin-left: 0.55rem;
  border-radius: 50%;
  border: 2px solid currentColor;
  border-right-color: transparent;
  display: inline-block;
  vertical-align: -0.12rem;
  animation: mindraft-spin 0.8s linear infinite;
}

.detail-head-collapsed {
  align-items: center;
}

.action-card-collapsed {
  gap: 10px;
}

.next-step-toggle-btn {
  flex: 0 0 auto;
}

.detail-card.section-success-highlight {
  animation: section-success-highlight 1.6s ease-out 1;
}

#structureSection.section-success-highlight {
  border-color: rgba(115, 103, 240, 0.26);
  box-shadow:
    0 10px 24px rgba(18, 18, 18, 0.05),
    0 0 0 1px rgba(115, 103, 240, 0.10),
    inset 0 1px 0 rgba(255, 255, 255, 0.8),
    inset 0 0 0 1px rgba(255, 255, 255, 0.16),
    inset -18px 16px 48px rgba(115, 103, 240, 0.05);
}

body.dark-mode #structureSection.section-success-highlight {
  border-color: rgba(115, 103, 240, 0.36);
  box-shadow:
    0 12px 24px rgba(0, 0, 0, 0.18),
    0 0 0 1px rgba(115, 103, 240, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    inset 0 0 0 1px rgba(255, 255, 255, 0.04),
    inset -20px 18px 58px rgba(115, 103, 240, 0.08);
}

.collaborate-footer #collaborateBtn {
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-strong) 100%) !important;
  color: #fff !important;
  border: 1px solid transparent !important;
  box-shadow: 0 12px 26px rgba(115, 103, 240, 0.24) !important;
}

.collaborate-footer #collaborateBtn:hover,
.collaborate-footer #collaborateBtn:focus-visible {
  background: linear-gradient(180deg, #7c71f4 0%, #6658ee 100%) !important;
  box-shadow: 0 14px 28px rgba(115, 103, 240, 0.28) !important;
}

body.dark-mode .collaborate-footer #collaborateBtn {
  box-shadow: 0 14px 30px rgba(115, 103, 240, 0.3) !important;
}

@keyframes mindraft-spin {
  to { transform: rotate(360deg); }
}

@keyframes section-success-highlight {
  0% {
    transform: translateY(0);
  }
  30% {
    transform: translateY(-1px);
  }
  100% {
    transform: translateY(0);
  }
}

@media (max-width: 760px) {
  .detail-head-collapsed {
    align-items: flex-start;
  }

  .next-step-toggle-btn {
    width: 100%;
    justify-content: center;
  }
}


/* Current update: linked idea groups, connection selector, and subtler collaborate accent */
.controls-tools {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex: 0 0 auto;
}

.linked-view-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 16px;
}

.linked-view-toggle .mini-icon {
  width: 18px;
  height: 18px;
}

.idea-grid.is-linked-view {
  grid-template-columns: minmax(0, 1fr);
}

.linked-group-card {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 18px;
  padding: clamp(18px, 3vw, 24px);
  border-radius: 28px;
  border: 1px solid var(--linked-group-border, rgba(115, 103, 240, 0.14));
  background:
    radial-gradient(18rem 12rem at 100% 0%, var(--linked-group-soft, rgba(115, 103, 240, 0.08)) 0%, rgba(255,255,255,0) 68%),
    linear-gradient(180deg, rgba(255,255,255,0.95), rgba(248,245,239,0.92));
  box-shadow:
    0 10px 24px rgba(18, 18, 18, 0.05),
    0 0 0 1px rgba(255, 255, 255, 0.18),
    inset 0 1px 0 rgba(255,255,255,0.78);
}

.linked-group-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: linear-gradient(90deg, var(--linked-group-accent, var(--accent)) 0%, rgba(255,255,255,0) 82%);
}

.linked-group-head {
  display: grid;
  gap: 8px;
}

.linked-group-kicker {
  margin: 0;
  color: var(--linked-group-accent, var(--accent-strong));
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.linked-group-title {
  margin: 0;
  font-size: clamp(1.24rem, 2.3vw, 1.5rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.linked-group-summary {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.58;
  max-width: 68ch;
}

.linked-group-list {
  display: grid;
  gap: 12px;
}

.linked-idea-item {
  width: 100%;
  display: grid;
  gap: 10px;
  text-align: left;
  padding: 16px 18px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.76);
  box-shadow: 0 8px 18px rgba(18,18,18,0.04);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
}

.linked-idea-item:hover,
.linked-idea-item:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(115,103,240,0.18);
  box-shadow: 0 10px 22px rgba(18,18,18,0.06);
}

.linked-idea-meta,
.linked-selector-meta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
}

.linked-idea-category,
.linked-selector-category {
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.linked-idea-status,
.linked-selector-status {
  font-size: 0.92rem;
  line-height: 1;
}

.linked-idea-copy {
  display: grid;
  gap: 6px;
}

.linked-idea-title,
.linked-selector-title {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.linked-idea-summary,
.linked-selector-summary {
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.55;
}

.connections-card {
  gap: 16px;
}

.connections-card-collapsed {
  gap: 10px;
}

.connections-toggle-btn {
  flex: 0 0 auto;
}

.linked-selector-list {
  display: grid;
  gap: 12px;
  max-height: 320px;
  overflow: auto;
  padding-right: 4px;
}

.linked-selector-option {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: flex-start;
  cursor: pointer;
}

.linked-selector-checkbox {
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--accent-strong);
  box-shadow: none;
  transform: none;
}

.linked-selector-surface {
  display: grid;
  gap: 8px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.72);
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease, transform .18s ease;
}

.linked-selector-option:hover .linked-selector-surface,
.linked-selector-checkbox:focus-visible + .linked-selector-surface,
.linked-selector-checkbox:checked + .linked-selector-surface {
  border-color: rgba(115,103,240,0.18);
  box-shadow: 0 10px 22px rgba(18,18,18,0.05);
}

.linked-selector-checkbox:checked + .linked-selector-surface {
  background: rgba(115,103,240,0.07);
}

body.dark-mode .linked-group-card {
  background:
    radial-gradient(18rem 12rem at 100% 0%, color-mix(in srgb, var(--linked-group-accent, var(--accent)) 18%, transparent) 0%, rgba(0,0,0,0) 70%),
    linear-gradient(180deg, rgba(26,26,26,0.96), rgba(18,18,18,0.96));
  box-shadow:
    0 12px 26px rgba(0,0,0,0.18),
    0 0 0 1px rgba(255,255,255,0.04),
    inset 0 1px 0 rgba(255,255,255,0.06);
}

body.dark-mode .linked-idea-item,
body.dark-mode .linked-selector-surface {
  background: rgba(28,28,28,0.92);
  border-color: var(--line);
  box-shadow: 0 10px 20px rgba(0,0,0,0.16);
}

body.dark-mode .linked-selector-checkbox:checked + .linked-selector-surface {
  background: rgba(115,103,240,0.16);
}

.collaborate-footer #collaborateBtn {
  background: linear-gradient(180deg, #8e88ee 0%, #7f77e7 100%) !important;
  border: 1px solid rgba(255, 255, 255, 0.16) !important;
  box-shadow: 0 8px 18px rgba(115, 103, 240, 0.14) !important;
}

.collaborate-footer #collaborateBtn:hover,
.collaborate-footer #collaborateBtn:focus-visible {
  background: linear-gradient(180deg, #938ef0 0%, #857deb 100%) !important;
  box-shadow: 0 10px 20px rgba(115, 103, 240, 0.17) !important;
}

body.dark-mode .collaborate-footer #collaborateBtn {
  box-shadow: 0 10px 22px rgba(115, 103, 240, 0.2) !important;
}

@media (max-width: 820px) {
  .controls-head {
    align-items: stretch;
  }

  .controls-tools {
    width: 100%;
    justify-content: flex-start;
  }

  .linked-view-toggle {
    width: 100%;
    justify-content: center;
  }

  .linked-idea-item {
    padding: 14px 16px;
  }
}

/* Current tweak: linked spacing, consistent mobile section buttons, tighter mobile filters, subtler collaborate button */
.filters-grid {
  grid-template-columns: minmax(0, 1.6fr) repeat(2, minmax(170px, 1fr)) minmax(210px, 0.9fr);
  grid-template-areas: "search category status linked";
  align-items: stretch;
}

.filters-grid > #searchInput {
  grid-area: search;
}

.filters-grid > .filter-select-wrap:first-of-type {
  grid-area: category;
}

.filters-grid > .filter-select-wrap:last-of-type {
  grid-area: status;
}

.filters-grid > .linked-view-toggle {
  grid-area: linked;
}

.linked-view-toggle {
  min-height: 58px;
  padding: 0 16px;
  border-radius: 20px;
  justify-content: center;
  white-space: nowrap;
}

.linked-view-toggle .mini-icon {
  flex: 0 0 auto;
}

.linked-group-card {
  gap: 20px;
  padding: clamp(20px, 3vw, 26px);
}

.linked-group-head {
  gap: 12px;
}

.linked-group-head > div {
  display: grid;
  gap: 10px;
}

.linked-group-list {
  gap: 14px;
}

.linked-idea-item {
  gap: 12px;
  padding: 18px 20px;
}

.linked-idea-copy {
  gap: 8px;
}

.collaborate-footer #collaborateBtn {
  background: linear-gradient(180deg, #8a84e6 0%, #7a73db 100%) !important;
  border: 1px solid rgba(255, 255, 255, 0.14) !important;
  box-shadow: 0 6px 14px rgba(115, 103, 240, 0.11) !important;
}

.collaborate-footer #collaborateBtn:hover,
.collaborate-footer #collaborateBtn:focus-visible {
  background: linear-gradient(180deg, #8f89ea 0%, #7f78df 100%) !important;
  box-shadow: 0 8px 16px rgba(115, 103, 240, 0.13) !important;
}

body.dark-mode .collaborate-footer #collaborateBtn {
  box-shadow: 0 8px 18px rgba(115, 103, 240, 0.18) !important;
}

@media (max-width: 820px) {
  .linked-idea-item {
    padding: 16px 18px;
  }
}

@media (max-width: 760px) {
  .filters-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.15fr);
    grid-template-areas:
      "linked search"
      "category category"
      "status status";
    gap: 10px;
  }

  .linked-view-toggle {
    min-height: 58px;
    padding: 0 12px;
    gap: 8px;
    font-size: 0.88rem;
    letter-spacing: -0.01em;
  }

  .linked-view-toggle .mini-icon {
    width: 15px;
    height: 15px;
  }

  #structureSection .detail-head,
  #connectionsSection .detail-head,
  #connectionsSection .detail-head-collapsed,
  #nextStepSection .detail-head,
  #nextStepSection .detail-head-collapsed {
    align-items: flex-start;
  }

  #structureSection .detail-head > div:first-child,
  #connectionsSection .detail-head > div:first-child,
  #nextStepSection .detail-head > div:first-child {
    width: 100%;
  }

  #structureSection .detail-head > div:last-child {
    width: 100%;
    display: grid !important;
    gap: 10px;
  }

  #structureSection .detail-head > div:last-child > button,
  #connectionsSection .connections-toggle-btn,
  #nextStepSection .next-step-toggle-btn {
    width: 100%;
    justify-content: center;
  }

  .linked-group-card {
    gap: 18px;
    padding: 18px;
  }

  .linked-group-head > div {
    gap: 12px;
  }

  .linked-group-list {
    gap: 12px;
  }

  .linked-idea-item {
    padding: 16px;
    gap: 10px;
  }
}


/* Current tweak: mobile filter order and collaborate email note */
.prompt-note {
  margin-top: -2px;
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--muted);
  font-style: italic;
}

.prompt-note::before {
  content: "* ";
}

body.dark-mode .prompt-note {
  color: color-mix(in srgb, var(--muted) 92%, white 8%);
}

@media (max-width: 760px) {
  .filters-grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.92fr);
    grid-template-areas:
      "search linked"
      "category category"
      "status status";
  }

  .linked-view-toggle {
    padding: 0 14px;
  }

  .linked-view-toggle .mini-icon {
    display: none;
  }

  .prompt-note {
    font-size: 0.76rem;
  }
}


/* Current update: local backup section */
.backup-card {
  display: grid;
  gap: 0;
  padding: clamp(18px, 4vw, 24px);
  background: linear-gradient(180deg, rgba(247, 246, 241, 0.88), rgba(255, 255, 255, 0.96));
  border: 1px solid rgba(24, 24, 24, 0.08);
}

.backup-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  background: var(--surface-soft);
  box-shadow: var(--shadow-soft);
  white-space: nowrap;
}

.backup-toggle:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.backup-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.backup-copy {
  min-width: 0;
  max-width: 100%;
}

.backup-toggle-label {
  font-weight: 700;
}

.backup-preview {
  margin-bottom: 0;
  max-width: none;
}

.backup-chevron {
  width: 11px;
  height: 7px;
  flex: 0 0 auto;
  background: currentColor;
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  opacity: 0.6;
  transition: transform .18s ease, opacity .18s ease;
}

.backup-card.is-open .backup-chevron {
  transform: rotate(180deg);
  opacity: 0.9;
}

.backup-content {
  display: grid;
  gap: 16px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-soft);
}

.backup-content .muted-copy {
  max-width: none;
}

.backup-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.backup-actions .top-btn,
.backup-actions .soft-btn {
  min-width: 0;
}

.backup-note {
  margin: -2px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.5;
}

body.dark-mode .backup-card {
  background: linear-gradient(180deg, rgba(31, 31, 31, 0.96), rgba(20, 20, 20, 0.98));
  border-color: rgba(255, 255, 255, 0.08);
}

body.dark-mode .backup-note {
  color: color-mix(in srgb, var(--muted) 92%, white 8%);
}

@media (min-width: 761px) {
  .backup-preview {
    white-space: nowrap;
  }

  .backup-content .muted-copy {
    font-size: 1.02rem;
    line-height: 1.75;
  }
}

@media (max-width: 760px) {
  .backup-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .backup-toggle {
    width: 100%;
    justify-content: space-between;
    white-space: normal;
    text-align: left;
  }
}

@media (max-width: 640px) {
  .backup-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .backup-actions .top-btn,
  .backup-actions .soft-btn {
    width: 100%;
    justify-content: center;
  }
}

/* Current update: legal footer and minimal legal pages */
body {
  --page-padding: clamp(12px, 3vw, 28px);
}

.site-footer {
  position: relative;
  width: calc(100% + (var(--page-padding) * 2));
  margin: clamp(36px, 6vw, 60px) calc(var(--page-padding) * -1) calc(var(--page-padding) * -1);
  padding-top: clamp(20px, 3.6vw, 30px);
  padding-right: max(clamp(18px, 4vw, 42px), calc(((100vw - var(--max)) / 2) + var(--page-padding)));
  padding-bottom: calc(clamp(20px, 3.6vw, 30px) + var(--page-padding));
  padding-left: max(clamp(18px, 4vw, 42px), calc(((100vw - var(--max)) / 2) + var(--page-padding)));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(18px, 3vw, 28px);
  flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(34rem 18rem at 0% 0%, rgba(115, 103, 240, 0.12) 0%, rgba(115, 103, 240, 0) 62%),
    radial-gradient(30rem 18rem at 100% 100%, rgba(186, 160, 108, 0.08) 0%, rgba(186, 160, 108, 0) 64%),
    linear-gradient(180deg, rgba(20, 20, 20, 0.985), rgba(8, 8, 8, 0.995));
  color: #f4f2ed;
  box-shadow: 0 -14px 36px rgba(0, 0, 0, 0.16);
  overflow: clip;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0), rgba(255,255,255,0.14), rgba(255,255,255,0));
  pointer-events: none;
}

.brand-home-link {
  color: inherit;
  text-decoration: none;
}

.brand-home-link:hover {
  text-decoration: none;
}

.brand-home-link:focus-visible {
  outline: none;
  border-radius: 24px;
  box-shadow: var(--focus-ring);
}

.site-footer-copy {
  min-width: 0;
  flex: 1 1 420px;
  display: grid;
  gap: 7px;
}

.site-footer-eyebrow {
  margin: 0;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(244, 242, 237, 0.68);
}

.site-footer-text {
  margin: 0;
  max-width: none;
  font-size: clamp(1rem, 1.12vw, 1.08rem);
  line-height: 1.4;
  letter-spacing: -0.02em;
  color: rgba(244, 242, 237, 0.9);
  white-space: nowrap;
}

.site-footer-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: nowrap;
  margin-left: auto;
  flex: 0 0 auto;
}

.site-footer-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(180deg, rgba(255,255,255,0.055), rgba(255,255,255,0.025));
  color: #f4f2ed;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.96rem;
  letter-spacing: -0.015em;
  white-space: nowrap;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
  transition: transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.site-footer-link:hover,
.site-footer-link:focus-visible {
  transform: translateY(-1px);
  background: linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.04));
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 10px 20px rgba(0,0,0,0.16), inset 0 1px 0 rgba(255,255,255,0.06);
  outline: none;
}

.site-footer-link[aria-current="page"] {
  background: linear-gradient(180deg, rgba(255,255,255,0.12), rgba(255,255,255,0.07));
  border-color: rgba(255, 255, 255, 0.18);
}

.site-footer-collab-btn {
  background: linear-gradient(180deg, #8a84e6 0%, #7a73db 100%);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: 0 8px 18px rgba(115, 103, 240, 0.2);
}

.site-footer-collab-btn:hover,
.site-footer-collab-btn:focus-visible {
  background: linear-gradient(180deg, #8f89ea 0%, #7f78df 100%);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: 0 10px 22px rgba(115, 103, 240, 0.24);
}

.legal-shell {
  max-width: var(--max);
}

.legal-hero {
  padding: clamp(22px, 4vw, 30px);
  display: grid;
  gap: 18px;
}

.legal-hero-main {
  display: grid;
  gap: 10px;
}

.legal-hero h1 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 2.6rem);
  line-height: 1;
  letter-spacing: -0.06em;
}

.legal-hero p {
  margin: 0;
}

.legal-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.legal-back-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: inherit;
}

.legal-page-grid {
  display: grid;
  gap: 18px;
}

.legal-card {
  padding: clamp(20px, 4vw, 28px);
}

.legal-card h2 {
  margin: 0 0 12px;
  font-size: clamp(1.24rem, 2.1vw, 1.55rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.legal-card p,
.legal-card li {
  font-size: 1rem;
  line-height: 1.68;
}

.legal-card p:last-child,
.legal-card ul:last-child {
  margin-bottom: 0;
}

.legal-list {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 10px;
}

.legal-inline-link {
  color: inherit;
}

.legal-inline-link:hover,
.legal-inline-link:focus-visible {
  opacity: 0.86;
}

.legal-note {
  margin: 0;
  color: var(--muted);
  font-style: italic;
}

body.dark-mode .site-footer {
  border-color: rgba(255, 255, 255, 0.08);
}

body.dark-mode .site-footer-collab-btn {
  box-shadow: 0 10px 22px rgba(115, 103, 240, 0.24);
}

@media (max-width: 760px) {
  .site-footer {
    margin-top: 32px;
    padding-top: 16px;
  }

  .site-footer,
  .legal-meta-row {
    align-items: flex-start;
  }

  .site-footer {
    gap: 14px;
  }

  .site-footer-copy {
    flex-basis: 100%;
  }

  .site-footer-text {
    max-width: none;
    font-size: 0.96rem;
    white-space: normal;
  }

  .site-footer-links {
    width: 100%;
    margin-left: 0;
    justify-content: flex-start;
    gap: 8px;
  }

  .site-footer-link {
    flex: 1 1 0;
    min-width: 0;
    padding: 0 10px;
    border-radius: 18px;
    font-size: 0.9rem;
  }
}

@media (max-width: 420px) {
  .site-footer {
    padding-left: 12px;
    padding-right: 12px;
  }

  .site-footer-text {
    font-size: 0.93rem;
  }

  .site-footer-links {
    gap: 7px;
  }

  .site-footer-link {
    min-height: 40px;
    padding: 0 8px;
    font-size: 0.84rem;
    border-radius: 18px;
  }
}

@media (min-width: 761px) {
  .idea-grid > .empty {
    grid-column: 1 / -1;
    width: 100%;
    justify-self: stretch;
  }
}