:root {
      --bg: #090b10;
      --bg-soft: #0f131b;
      --panel: rgba(22, 27, 38, 0.92);
      --panel-2: rgba(31, 38, 54, 0.86);
      --border: rgba(148, 163, 184, 0.18);
      --border-strong: rgba(125, 211, 252, 0.34);
      --text: #e5edf8;
      --muted: #91a1b8;
      --muted-2: #6b7890;
      --accent: #38bdf8;
      --accent-2: #a78bfa;
      --accent-3: #34d399;
      --danger: #fb7185;
      --warning: #fbbf24;
      --ok: #22c55e;
      --shadow: 0 18px 45px rgba(0, 0, 0, 0.34);
      --radius-lg: 22px;
      --radius-md: 14px;
      --radius-sm: 10px;
      --gap: 18px;
      color-scheme: dark;
    }

    * { box-sizing: border-box; }

    html { scroll-behavior: smooth; }

    body {
      margin: 0;
      min-height: 100vh;
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 15% 5%, rgba(56, 189, 248, 0.16), transparent 26rem),
        radial-gradient(circle at 95% 0%, rgba(167, 139, 250, 0.14), transparent 28rem),
        linear-gradient(135deg, #090b10 0%, #0d111a 50%, #070912 100%);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(255,255,255,0.028) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.024) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.72), transparent 75%);
      z-index: -1;
    }

    .app-shell {
      width: min(1480px, calc(100% - 28px));
      margin: 0 auto;
      padding: 28px 0 48px;
    }

    .app-hero {
      display: grid;
      grid-template-columns: 1fr auto;
      align-items: end;
      gap: 18px;
      margin-bottom: 22px;
      padding: 24px;
      border: 1px solid var(--border);
      border-radius: 28px;
      background: linear-gradient(135deg, rgba(17, 24, 39, 0.72), rgba(15, 23, 42, 0.42));
      box-shadow: var(--shadow);
      backdrop-filter: blur(14px);
    }

    .hero-kicker {
      color: var(--accent);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .08em;
      text-transform: uppercase;
      margin-bottom: 8px;
    }

    h1 {
      margin: 0 0 8px;
      font-size: clamp(24px, 4vw, 42px);
      line-height: 1.08;
      letter-spacing: -0.04em;
    }

    .hero-text {
      margin: 0;
      color: var(--muted);
      line-height: 1.7;
      max-width: 880px;
      font-size: 14px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 10px;
      min-width: 220px;
    }

    .section-title {
      display: flex;
      align-items: center;
      gap: 10px;
      margin: 24px 0 12px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .08em;
      text-transform: uppercase;
    }

    .section-title::after {
      content: "";
      height: 1px;
      flex: 1;
      background: linear-gradient(90deg, var(--border), transparent);
    }

    .pin-area-empty {
      display: none;
      color: var(--muted-2);
      font-size: 13px;
      border: 1px dashed var(--border);
      border-radius: var(--radius-lg);
      padding: 18px;
      background: rgba(15, 23, 42, 0.30);
    }

    .grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
      gap: var(--gap);
      align-items: start;
    }

    @media (min-width: 1160px) {
      .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    }

    @media (min-width: 760px) and (max-width: 1159px) {
      .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }

    @media (max-width: 759px) {
      .app-shell { width: min(100% - 18px, 720px); padding-top: 12px; }
      .app-hero { grid-template-columns: 1fr; padding: 18px; border-radius: 22px; }
      .hero-actions { justify-content: stretch; min-width: 0; }
      .hero-actions .btn { flex: 1; }
      .grid { grid-template-columns: 1fr; gap: 12px; }
    }

    .card {
      position: relative;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background:
        linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.02)),
        var(--panel);
      box-shadow: 0 12px 34px rgba(0,0,0,.28);
      overflow: hidden;
      backdrop-filter: blur(16px);
      transform: translateZ(0);
      transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease, background .2s ease;
    }

    .card:hover {
      border-color: var(--border-strong);
      box-shadow: 0 18px 44px rgba(0,0,0,.36), 0 0 0 1px rgba(56, 189, 248, 0.06) inset;
      transform: translateY(-2px);
    }

    .card.pinned {
      border-color: rgba(251, 191, 36, 0.38);
      box-shadow: 0 16px 42px rgba(0,0,0,.33), 0 0 0 1px rgba(251, 191, 36, .10) inset;
    }

    .card.flash-alert {
      animation: cardFlash .84s ease-in-out 4;
    }

    @keyframes cardFlash {
      0%, 100% { filter: none; }
      50% { filter: brightness(1.4); box-shadow: 0 0 0 2px rgba(251, 191, 36, .56), 0 0 35px rgba(251, 191, 36, .30); }
    }

    .card-header {
      display: flex;
      align-items: center;
      gap: 10px;
      min-height: 54px;
      padding: 12px 14px 12px 12px;
      border-bottom: 1px solid var(--border);
      background: linear-gradient(90deg, rgba(15,23,42,.78), rgba(30,41,59,.44));
      user-select: none;
    }

    .drag-handle {
      display: grid;
      place-items: center;
      width: 34px;
      height: 34px;
      border-radius: 12px;
      border: 1px solid rgba(148, 163, 184, .18);
      color: var(--muted);
      background: rgba(15, 23, 42, .78);
      cursor: grab;
      touch-action: none;
      flex: 0 0 auto;
      font-size: 18px;
      line-height: 1;
    }

    .drag-handle:active { cursor: grabbing; }

    .card-title {
      flex: 1;
      min-width: 0;
      font-weight: 800;
      letter-spacing: -.02em;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .card-meta {
      color: var(--muted-2);
      font-size: 11px;
      margin-left: 4px;
      font-weight: 700;
    }

    .header-btns {
      display: flex;
      gap: 6px;
      flex: 0 0 auto;
    }

    .icon-btn, .btn {
      border: 1px solid rgba(148, 163, 184, .18);
      background: rgba(15, 23, 42, .78);
      color: var(--text);
      border-radius: 12px;
      min-height: 36px;
      padding: 8px 11px;
      font: inherit;
      font-weight: 800;
      cursor: pointer;
      transition: transform .14s ease, border-color .14s ease, background .14s ease, opacity .14s ease;
    }

    .icon-btn {
      width: 36px;
      padding: 0;
      display: grid;
      place-items: center;
      color: var(--muted);
    }

    .btn:hover, .icon-btn:hover {
      border-color: rgba(56, 189, 248, .46);
      background: rgba(30, 41, 59, .92);
      transform: translateY(-1px);
    }

    .btn:active, .icon-btn:active { transform: translateY(0); }

    .btn.primary {
      border-color: rgba(56, 189, 248, .55);
      background: linear-gradient(135deg, rgba(56, 189, 248, .22), rgba(167, 139, 250, .18));
      color: #f8fbff;
    }

    .btn.danger {
      border-color: rgba(251, 113, 133, .45);
      color: #fecdd3;
    }

    .btn.ghost { color: var(--muted); }

    .pin-btn.is-on {
      color: var(--warning);
      border-color: rgba(251,191,36,.42);
      background: rgba(251,191,36,.10);
    }

    .card-body {
      padding: 16px;
      display: block;
    }

    .card.collapsed .card-body { display: none; }
    .card.collapsed .card-header { border-bottom: 0; }

    .sortable-ghost {
      opacity: .42;
      border: 1px dashed var(--accent);
    }

    .sortable-chosen {
      box-shadow: 0 0 0 2px rgba(56, 189, 248, .32), var(--shadow);
    }

    .card.native-dragging {
      opacity: .56;
      transform: scale(.985);
      border-color: var(--accent);
      box-shadow: 0 0 0 2px var(--accent-faint), var(--shadow);
    }

    .card.native-drag-target {
      outline: 2px dashed var(--accent);
      outline-offset: 4px;
    }

    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
    }

    .form-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .form-grid.one { grid-template-columns: 1fr; }

    @media (max-width: 440px) {
      .form-grid, .form-grid.three { grid-template-columns: 1fr; }
    }

    label {
      display: grid;
      gap: 6px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
    }

    input, textarea, select {
      width: 100%;
      border: 1px solid rgba(148, 163, 184, .20);
      border-radius: 12px;
      background: rgba(2, 6, 23, .45);
      color: var(--text);
      padding: 10px 11px;
      min-height: 40px;
      font: inherit;
      outline: none;
      transition: border-color .14s ease, box-shadow .14s ease, background .14s ease;
    }

    textarea {
      min-height: 118px;
      resize: vertical;
      line-height: 1.55;
    }

    input:focus, textarea:focus, select:focus {
      border-color: rgba(56, 189, 248, .62);
      box-shadow: 0 0 0 4px rgba(56, 189, 248, .12);
      background: rgba(2, 6, 23, .62);
    }

    .row {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
    }

    .stack { display: grid; gap: 12px; }
    .compact-stack { display: grid; gap: 8px; }
    .mt { margin-top: 12px; }

    .result-box {
      border: 1px solid rgba(148, 163, 184, .16);
      border-radius: var(--radius-md);
      padding: 12px;
      background: rgba(15, 23, 42, .50);
      color: var(--text);
      line-height: 1.55;
    }

    .result-box strong, .big-value {
      color: #f8fbff;
      font-size: 24px;
      letter-spacing: -.03em;
    }

    .subtle {
      color: var(--muted);
      font-size: 12px;
      line-height: 1.65;
    }

    .muted { color: var(--muted); }
    .accent { color: var(--accent); }
    .ok { color: var(--ok); }
    .danger-text { color: var(--danger); }

    .digital-clock {
      display: grid;
      place-items: center;
      min-height: 150px;
      border-radius: 18px;
      background:
        radial-gradient(circle at 35% 10%, rgba(56,189,248,.18), transparent 40%),
        linear-gradient(135deg, rgba(15,23,42,.70), rgba(2,6,23,.42));
      border: 1px solid rgba(148, 163, 184, .14);
      text-align: center;
    }

    .time-main {
      font-variant-numeric: tabular-nums;
      font-size: clamp(42px, 7vw, 68px);
      font-weight: 900;
      line-height: 1;
      letter-spacing: -.06em;
      text-shadow: 0 0 28px rgba(56, 189, 248, .18);
    }

    .date-main {
      color: var(--muted);
      margin-top: 10px;
      font-size: 14px;
      font-weight: 700;
    }

    .timer-display, .stopwatch-display {
      font-variant-numeric: tabular-nums;
      font-size: 44px;
      font-weight: 900;
      letter-spacing: -.04em;
      text-align: center;
      padding: 16px;
      border-radius: 18px;
      border: 1px solid rgba(148, 163, 184, .14);
      background: rgba(2, 6, 23, .38);
    }

    .calendar-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 12px;
    }

    .calendar-title {
      font-weight: 900;
      letter-spacing: -.02em;
    }

    .calendar-grid {
      display: grid;
      grid-template-columns: repeat(7, 1fr);
      gap: 6px;
    }

    .weekday, .day-cell {
      min-height: 38px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      font-size: 12px;
      font-weight: 800;
      font-variant-numeric: tabular-nums;
    }

    .weekday {
      color: var(--muted-2);
      min-height: 24px;
      background: transparent;
    }

    .day-cell {
      border: 1px solid rgba(148, 163, 184, .13);
      background: rgba(15, 23, 42, .48);
      color: var(--muted);
    }

    .day-cell.today {
      border-color: rgba(56, 189, 248, .65);
      color: #fff;
      background: linear-gradient(135deg, rgba(56,189,248,.28), rgba(167,139,250,.20));
      box-shadow: 0 0 0 4px rgba(56,189,248,.08);
    }

    .day-cell.blank {
      background: transparent;
      border-color: transparent;
    }
.list {
      display: grid;
      gap: 8px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .list-item {
      display: grid;
      grid-template-columns: 1fr auto;
      align-items: center;
      gap: 10px;
      padding: 10px;
      border: 1px solid rgba(148, 163, 184, .14);
      border-radius: 14px;
      background: rgba(15, 23, 42, .45);
    }

    .list-item .item-title {
      font-weight: 800;
      overflow-wrap: anywhere;
    }

    .list-item .item-sub {
      color: var(--muted);
      font-size: 12px;
      margin-top: 3px;
      overflow-wrap: anywhere;
    }

    .todo-row {
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      gap: 10px;
      padding: 10px;
      border: 1px solid rgba(148, 163, 184, .14);
      border-radius: 14px;
      background: rgba(15, 23, 42, .45);
    }

    .todo-row input[type="checkbox"] {
      width: 18px;
      min-height: 18px;
      accent-color: var(--accent);
    }

    .todo-row.done .todo-text {
      color: var(--muted-2);
      text-decoration: line-through;
    }

    .chip-list {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border: 1px solid rgba(148, 163, 184, .16);
      border-radius: 999px;
      padding: 8px 10px;
      background: rgba(15, 23, 42, .55);
      color: var(--text);
      font-size: 13px;
      font-weight: 800;
      overflow-wrap: anywhere;
    }

    .link-list a {
      color: var(--accent);
      text-decoration: none;
    }

    .link-list a:hover { text-decoration: underline; }

    .calc-pad {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 8px;
    }

    .calc-pad .btn { min-height: 42px; }

    .history-list {
      display: grid;
      gap: 6px;
      color: var(--muted);
      font-size: 12px;
      font-variant-numeric: tabular-nums;
    }

    .small-note {
      color: var(--muted-2);
      font-size: 11px;
      line-height: 1.55;
    }

    .copy-toast {
      position: fixed;
      left: 50%;
      bottom: 24px;
      transform: translateX(-50%) translateY(30px);
      border: 1px solid rgba(56, 189, 248, .35);
      border-radius: 999px;
      padding: 10px 16px;
      background: rgba(15, 23, 42, .96);
      box-shadow: var(--shadow);
      color: var(--text);
      opacity: 0;
      pointer-events: none;
      transition: opacity .2s ease, transform .2s ease;
      z-index: 1000;
      font-weight: 800;
      font-size: 13px;
    }

    .copy-toast.show {
      opacity: 1;
      transform: translateX(-50%) translateY(0);
    }

    .tiny-btn {
      min-height: 30px;
      padding: 5px 9px;
      font-size: 12px;
      border-radius: 10px;
    }

    .progress-bar {
      height: 8px;
      border-radius: 999px;
      background: rgba(148, 163, 184, .14);
      overflow: hidden;
    }

    .progress-bar > span {
      display: block;
      height: 100%;
      width: 0;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--accent), var(--accent-2));
      transition: width .2s ease;
    }


    /* ===== Ver.2 App-like additions ===== */
    :root {
      --appbar-h: 72px;
      --bottom-nav-h: 70px;
    }

    body.no-motion *, body.no-motion *::before, body.no-motion *::after {
      animation-duration: .001ms !important;
      transition-duration: .001ms !important;
      scroll-behavior: auto !important;
    }

    body.density-compact { --gap: 12px; --radius-lg: 18px; --radius-md: 12px; }
    body.density-compact .card-body { padding: 12px; }
    body.density-compact .card-header { min-height: 48px; padding: 9px 12px 9px 10px; }
    body.font-large { font-size: 17px; }
    body.font-large .subtle, body.font-large .small-note { font-size: 13px; }

    .app-topbar {
      position: sticky;
      top: 0;
      z-index: 900;
      border-bottom: 1px solid rgba(148, 163, 184, .14);
      background: rgba(5, 8, 14, .76);
      backdrop-filter: blur(18px);
      box-shadow: 0 12px 32px rgba(0,0,0,.22);
    }

    .app-topbar-inner {
      width: min(1480px, calc(100% - 28px));
      min-height: var(--appbar-h);
      margin: 0 auto;
      display: grid;
      grid-template-columns: auto minmax(220px, 1fr) auto;
      align-items: center;
      gap: 14px;
      padding: 10px 0;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 11px;
      min-width: 0;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      font-weight: 950;
      color: #fff;
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      box-shadow: 0 0 26px rgba(56, 189, 248, .22);
    }

    .brand-title {
      font-size: 15px;
      font-weight: 950;
      letter-spacing: -.03em;
      white-space: nowrap;
    }

    .brand-sub {
      color: var(--muted);
      font-size: 11px;
      font-weight: 800;
      margin-top: 2px;
      white-space: nowrap;
    }

    .app-search-wrap {
      position: relative;
      display: flex;
      align-items: center;
      gap: 8px;
      min-width: 0;
    }

    .app-search {
      padding-left: 40px;
      padding-right: 44px;
      border-radius: 999px;
      min-height: 44px;
      background: rgba(2, 6, 23, .58);
    }

    .search-icon {
      position: absolute;
      left: 14px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--muted-2);
      pointer-events: none;
      font-size: 14px;
    }

    .search-clear {
      position: absolute;
      right: 7px;
      top: 50%;
      transform: translateY(-50%);
      width: 32px;
      height: 32px;
      min-height: 32px;
      border-radius: 999px;
    }

    .appbar-actions {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 8px;
    }

    .pill-btn {
      border-radius: 999px;
      min-height: 40px;
      white-space: nowrap;
    }

    .app-kbd {
      color: var(--muted-2);
      font-size: 11px;
      padding: 2px 6px;
      border: 1px solid rgba(148, 163, 184, .18);
      border-radius: 8px;
      background: rgba(15, 23, 42, .55);
      margin-left: 4px;
    }

    .card.is-filtered-out { display: none !important; }

    .quick-nav {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 0 0 18px;
    }

    .nav-chip {
      border-radius: 999px;
      color: var(--muted);
      min-height: 34px;
      padding: 7px 12px;
    }

    .nav-chip.active {
      color: #fff;
      border-color: rgba(56,189,248,.52);
      background: linear-gradient(135deg, rgba(56,189,248,.24), rgba(167,139,250,.14));
    }

    .empty-filter {
      display: none;
      border: 1px dashed rgba(148, 163, 184, .23);
      background: rgba(15, 23, 42, .38);
      border-radius: var(--radius-lg);
      padding: 18px;
      color: var(--muted);
      text-align: center;
      margin: 14px 0;
    }

    .empty-filter.show { display: block; }

    .modal-backdrop {
      position: fixed;
      inset: 0;
      display: none;
      align-items: flex-start;
      justify-content: center;
      padding: 86px 16px 24px;
      background: rgba(2, 6, 23, .66);
      backdrop-filter: blur(10px);
      z-index: 1200;
    }

    .modal-backdrop.show { display: flex; }

    .modal {
      width: min(860px, 100%);
      max-height: min(780px, calc(100vh - 108px));
      overflow: auto;
      border: 1px solid rgba(148, 163, 184, .22);
      border-radius: 24px;
      background: linear-gradient(180deg, rgba(17, 24, 39, .98), rgba(8, 12, 22, .98));
      box-shadow: 0 28px 90px rgba(0,0,0,.58);
    }

    .modal-header {
      position: sticky;
      top: 0;
      z-index: 1;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 16px 18px;
      border-bottom: 1px solid rgba(148, 163, 184, .16);
      background: rgba(15, 23, 42, .92);
      backdrop-filter: blur(10px);
    }

    .modal-title {
      font-weight: 950;
      font-size: 18px;
      letter-spacing: -.03em;
    }

    .modal-body { padding: 18px; display: grid; gap: 18px; }

    .settings-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .setting-box {
      border: 1px solid rgba(148, 163, 184, .15);
      border-radius: 18px;
      padding: 14px;
      background: rgba(15, 23, 42, .44);
      display: grid;
      gap: 12px;
    }

    .setting-title {
      font-weight: 900;
      letter-spacing: -.02em;
    }

    .switch-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 14px;
      padding: 9px 0;
      border-bottom: 1px solid rgba(148, 163, 184, .09);
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
    }

    .switch-row:last-child { border-bottom: 0; }
    .switch-row input { width: auto; min-height: auto; accent-color: var(--accent); }

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

    .accent-dot {
      width: 34px;
      height: 34px;
      border-radius: 999px;
      border: 2px solid rgba(255,255,255,.25);
      cursor: pointer;
      box-shadow: 0 8px 20px rgba(0,0,0,.24);
    }

    .accent-dot.active {
      outline: 3px solid rgba(255,255,255,.72);
      outline-offset: 2px;
    }

    .visibility-list {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 8px 14px;
    }

    .visibility-list label {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text);
      font-weight: 800;
    }

    .visibility-list input { width: auto; min-height: auto; accent-color: var(--accent); }

    .command-modal { width: min(720px, 100%); }
    .command-input { min-height: 52px; border-radius: 16px; font-size: 17px; }
    .command-list { display: grid; gap: 8px; margin-top: 10px; }

    .command-item {
      width: 100%;
      text-align: left;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 12px;
      align-items: center;
      border: 1px solid rgba(148, 163, 184, .15);
      border-radius: 15px;
      padding: 12px;
      background: rgba(15, 23, 42, .55);
      color: var(--text);
      cursor: pointer;
      font: inherit;
    }

    .command-item:hover, .command-item.active {
      border-color: rgba(56,189,248,.45);
      background: rgba(30,41,59,.86);
    }

    .command-item small { color: var(--muted); font-weight: 800; }

    .bottom-nav {
      display: none;
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 920;
      min-height: var(--bottom-nav-h);
      padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
      border-top: 1px solid rgba(148, 163, 184, .16);
      background: rgba(5, 8, 14, .86);
      backdrop-filter: blur(18px);
      box-shadow: 0 -16px 34px rgba(0,0,0,.34);
      grid-template-columns: repeat(5, 1fr);
      gap: 6px;
    }

    .bottom-nav button {
      border: 0;
      border-radius: 16px;
      background: transparent;
      color: var(--muted);
      font: inherit;
      font-size: 11px;
      font-weight: 900;
      display: grid;
      place-items: center;
      gap: 3px;
      padding: 6px 3px;
      cursor: pointer;
    }

    .bottom-nav button span { font-size: 18px; line-height: 1; }
    .bottom-nav button.active { color: #fff; background: rgba(56,189,248,.14); }

    .file-input-hidden { display: none; }

    @media (max-width: 900px) {
      .app-topbar-inner {
        grid-template-columns: 1fr auto;
        gap: 10px;
      }
      .app-search-wrap { grid-column: 1 / -1; order: 3; }
      .brand-title { font-size: 14px; }
      .brand-sub { display: none; }
      .appbar-actions .label-text, .app-kbd { display: none; }
      .settings-grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 759px) {
      body { padding-bottom: var(--bottom-nav-h); }
      .bottom-nav { display: grid; }
      .app-topbar-inner { width: min(100% - 18px, 720px); }
      .quick-nav { display: none; }
      .hero-actions { display: grid; grid-template-columns: repeat(2, 1fr); }
      .hero-actions .btn { width: 100%; }
      .visibility-list { grid-template-columns: 1fr; }
      .modal-backdrop { padding-top: 70px; }
    }

    @media (max-width: 520px) {
      .appbar-actions { gap: 6px; }
      .appbar-actions .btn { min-width: 40px; padding-inline: 8px; }
      .brand-mark { width: 38px; height: 38px; border-radius: 13px; }
      .modal-body { padding: 14px; }
    }

/* ===== Ver.2.5 BitLabo compact tuning ===== */
:root {
  --gap: 14px;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 9px;
}

.app-shell {
  width: min(1440px, calc(100% - 24px));
  padding: 22px 0 44px;
}

.app-hero {
  gap: 14px;
  margin-bottom: 18px;
  padding: 18px 20px;
  border-radius: 22px;
}

.hero-kicker { font-size: 12px; margin-bottom: 6px; }
h1 { font-size: clamp(22px, 3.2vw, 34px); }
.hero-text { font-size: 13px; line-height: 1.62; }
.section-title { margin: 18px 0 10px; }

.grid {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--gap);
}

.card { border-radius: var(--radius-lg); }

.card-header {
  gap: 8px;
  min-height: 46px;
  padding: 8px 11px 8px 9px;
}

.card-title { font-size: 14px; }
.card-meta { font-size: 10px; }

.drag-handle {
  width: 30px;
  height: 30px;
  border-radius: 10px;
  font-size: 16px;
}

.icon-btn, .btn {
  min-height: 32px;
  padding: 7px 10px;
  border-radius: 10px;
  font-size: 13px;
}

.icon-btn { width: 32px; }
.header-btns { gap: 5px; }
.card-body { padding: 12px; }
.form-grid { gap: 8px; }
.stack { gap: 10px; }
.row { gap: 8px; }

label { gap: 5px; font-size: 11px; }
input, textarea, select {
  min-height: 36px;
  padding: 8px 10px;
  border-radius: 10px;
}
textarea { min-height: 96px; }
.result-box { padding: 10px; }
.result-box strong, .big-value { font-size: 21px; }
.subtle, .small-note { font-size: 11px; }

.digital-clock {
  min-height: 118px;
  border-radius: 15px;
}
.time-main { font-size: clamp(38px, 5.8vw, 56px); }
.date-main { margin-top: 8px; font-size: 13px; }
.timer-display, .stopwatch-display {
  font-size: 36px;
  padding: 12px;
  border-radius: 15px;
}

.calendar-head { gap: 8px; margin-bottom: 10px; }
.calendar-grid { gap: 5px; }
.weekday, .day-cell { min-height: 32px; border-radius: 10px; font-size: 11px; }
.weekday { min-height: 20px; }
.list { gap: 6px; }
.list-item { gap: 8px; padding: 8px; border-radius: 12px; }
.todo-row { gap: 8px; padding: 8px; }

.app-topbar-inner {
  width: min(1440px, calc(100% - 24px));
  min-height: 62px;
  gap: 12px;
  padding: 8px 0;
}
.brand { gap: 9px; }
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 13px;
  font-size: 13px;
  letter-spacing: -.05em;
}
.brand-title { font-size: 14px; }
.app-search { min-height: 38px; padding-left: 36px; }
.search-clear { width: 28px; height: 28px; min-height: 28px; }
.quick-nav { gap: 8px; margin-bottom: 14px; }

body.density-compact { --gap: 10px; --radius-lg: 16px; --radius-md: 10px; }
body.density-compact .card-body { padding: 10px; }
body.density-compact .card-header { min-height: 42px; padding: 7px 10px 7px 8px; }
body.density-compact .drag-handle { width: 28px; height: 28px; }
body.density-compact .icon-btn { width: 30px; min-height: 30px; }
body.density-compact input,
body.density-compact textarea,
body.density-compact select { min-height: 34px; padding: 7px 9px; }
body.density-compact textarea { min-height: 86px; }

@media (min-width: 1160px) {
  .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 760px) and (max-width: 1159px) {
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 759px) {
  .app-shell { width: min(100% - 16px, 720px); padding-top: 10px; }
  .app-hero { padding: 15px; border-radius: 18px; }
  .grid { grid-template-columns: 1fr; gap: 10px; }
}

.warn-text {
  color: #fbbf24;
  font-size: 0.82rem;
}

/* Ver.2.7: 上部説明/バックアップを折りたたみ式にして、カードを4列表示しやすく調整 */
.utility-panel {
  align-items: stretch;
}
.utility-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-width: 0;
}
.utility-panel .utility-toggle {
  flex: 0 0 auto;
  white-space: nowrap;
}
.utility-panel-body {
  display: grid;
  gap: 12px;
  align-content: start;
}
.utility-panel.collapsed {
  padding-top: 14px;
  padding-bottom: 14px;
}
.utility-panel.collapsed .utility-panel-body {
  display: none;
}
.utility-panel.collapsed h1 {
  margin-bottom: 4px;
}
.compact-summary {
  max-width: none;
}

.app-shell,
.app-topbar-inner {
  width: min(1580px, calc(100% - 22px));
}

.grid {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 12px;
}

.card-header {
  min-height: 42px;
  padding: 7px 9px 7px 8px;
}
.card-body {
  padding: 10px;
}
.card-title {
  font-size: 13px;
}
.card-meta {
  font-size: 9px;
}
.drag-handle {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  font-size: 15px;
}
.icon-btn, .btn {
  min-height: 30px;
  padding: 6px 9px;
  font-size: 12px;
}
.icon-btn {
  width: 30px;
}
input, textarea, select {
  min-height: 34px;
  padding: 7px 9px;
}
.stack {
  gap: 8px;
}
.form-grid,
.row {
  gap: 7px;
}
textarea {
  min-height: 84px;
}
.digital-clock {
  min-height: 96px;
}
.time-main {
  font-size: clamp(32px, 4.5vw, 48px);
}
.timer-display,
.stopwatch-display {
  font-size: 31px;
  padding: 10px;
}
.weekday,
.day-cell {
  min-height: 29px;
}
.list-item,
.todo-row {
  padding: 7px;
}

@media (min-width: 1200px) {
  .grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 920px) and (max-width: 1199px) {
  .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 680px) and (max-width: 919px) {
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 679px) {
  .app-shell { width: min(100% - 14px, 720px); }
  .grid { grid-template-columns: 1fr; gap: 10px; }
  .utility-panel-head { align-items: stretch; flex-direction: column; }
  .utility-panel .utility-toggle { width: 100%; }
}

/* アプリ化まわり */
.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.info-card {
  border: 1px solid rgba(148, 163, 184, 0.16);
  background: rgba(15, 23, 42, 0.54);
  border-radius: 16px;
  padding: 12px;
}
.compact-row {
  margin-top: 10px;
}
.install-btn:not([hidden]) {
  display: inline-flex;
  background: linear-gradient(135deg, rgba(56,189,248,.24), rgba(167,139,250,.22));
  border-color: rgba(56,189,248,.34);
}
button[hidden] {
  display: none !important;
}
@media (max-width: 720px) {
  .info-grid { grid-template-columns: 1fr; }
}

/* 説明/バックアップ開閉ボタンの位置を固定 */
.utility-panel,
.utility-panel.collapsed {
  padding-top: 18px;
  padding-bottom: 18px;
}
.utility-panel-head {
  align-items: flex-start;
}
.utility-panel .utility-toggle {
  align-self: flex-start;
  justify-content: center;
  min-width: 190px;
  text-align: center;
}
.utility-panel.collapsed h1 {
  margin-bottom: inherit;
}
@media (max-width: 679px) {
  .utility-panel .utility-toggle {
    min-width: 0;
  }
}


/* Ver.1.0: 説明/バックアップ開閉ボタンの横ズレ防止（固定幅＋同じ長さの表示文言） */
.utility-panel .utility-toggle {
  flex: 0 0 218px;
  width: 218px;
  min-width: 218px;
  max-width: 218px;
  box-sizing: border-box;
  white-space: nowrap;
}
@media (max-width: 679px) {
  .utility-panel .utility-toggle {
    flex: 0 0 auto;
    width: 100%;
    min-width: 0;
    max-width: none;
  }
}


/* Ver.1.0: 開閉時にボタンが左右へ動かないよう右端に固定 */
.utility-panel .utility-toggle {
  flex: 0 0 196px;
  inline-size: 196px;
  width: 196px;
  min-width: 196px;
  max-width: 196px;
  margin-left: auto;
  text-align: center;
  justify-content: center;
}
@media (max-width: 679px) {
  .utility-panel .utility-toggle {
    flex: 0 0 auto;
    inline-size: 100%;
    width: 100%;
    min-width: 0;
    max-width: none;
    margin-left: 0;
  }
}

/* Ver.1.0 fix: app-hero の2カラム設定を説明パネルでは使わない */
.utility-panel {
  display: block;
}
.utility-panel-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 196px;
  align-items: start;
  gap: 14px;
}
.utility-panel .utility-toggle {
  justify-self: end;
  margin-left: 0;
}
@media (max-width: 679px) {
  .utility-panel-head {
    grid-template-columns: 1fr;
  }
  .utility-panel .utility-toggle {
    justify-self: stretch;
  }
}


    .check-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 8px;
    }

    .check-grid label {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 9px 10px;
      border: 1px solid rgba(148, 163, 184, .13);
      border-radius: 12px;
      background: rgba(15, 23, 42, .36);
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
    }

    .query-preview strong {
      display: block;
      margin-top: 4px;
      font-size: 15px;
      line-height: 1.55;
      overflow-wrap: anywhere;
    }

    .no-wrap { flex-wrap: nowrap; }

/* ===== Ver.1.0 public polish: checkbox size fix ===== */
input[type="checkbox"] {
  width: 16px;
  height: 16px;
  min-height: 0;
  padding: 0;
  margin: 0;
  flex: 0 0 auto;
  accent-color: var(--accent);
}

.check-grid input[type="checkbox"] {
  width: 16px;
  height: 16px;
  min-height: 0;
}

.todo-row input[type="checkbox"],
.switch-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  min-height: 0;
}

/* v1.0.5: X検索カードの「自分の投稿だけ」用 */
input.attention {
  border-color: rgba(255, 196, 87, .85);
  box-shadow: 0 0 0 3px rgba(255, 196, 87, .12);
}


/* v1.0.7: 公開版では画面ぼかし機能を削除 */
.import-modal { width: min(760px, 100%); }
.paste-backup-label { display: grid; gap: 8px; font-weight: 900; color: var(--text); }
.backup-paste-textarea {
  min-height: 260px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 12px;
  line-height: 1.5;
  white-space: pre;
}
.modal-action-row { justify-content: flex-end; }
@media (max-width: 640px) {
  .backup-paste-textarea { min-height: 220px; }
  .modal-action-row { justify-content: stretch; }
  .modal-action-row .btn { flex: 1 1 100%; }
}


/* ===== v1.0.9: 外観テーマを見た目に反映 ===== */
:root {
  --accent-soft: rgba(56, 189, 248, .20);
  --accent-faint: rgba(56, 189, 248, .10);
  --accent-strong: rgba(56, 189, 248, .58);
  --accent2-soft: rgba(167, 139, 250, .16);
}

body.theme-midnight {
  --panel: rgba(22, 27, 38, 0.92);
  --panel-2: rgba(31, 38, 54, 0.86);
  --border: rgba(148, 163, 184, 0.18);
  --muted: #91a1b8;
  --muted-2: #6b7890;
  --theme-glow-a: rgba(56, 189, 248, 0.16);
  --theme-glow-b: rgba(167, 139, 250, 0.14);
  --theme-bg-start: #090b10;
  --theme-bg-mid: #0d111a;
  --theme-bg-end: #070912;
  --theme-surface: rgba(15, 23, 42, .52);
  --theme-surface-2: rgba(17, 24, 39, .72);
}

body.theme-blueprint {
  --panel: rgba(12, 30, 54, 0.93);
  --panel-2: rgba(16, 43, 76, 0.88);
  --border: rgba(125, 211, 252, 0.23);
  --muted: #9fc3da;
  --muted-2: #6f96ad;
  --theme-glow-a: rgba(14, 165, 233, 0.22);
  --theme-glow-b: rgba(37, 99, 235, 0.16);
  --theme-bg-start: #04111f;
  --theme-bg-mid: #08213a;
  --theme-bg-end: #020817;
  --theme-surface: rgba(8, 47, 73, .48);
  --theme-surface-2: rgba(12, 39, 68, .76);
}

body.theme-forest {
  --panel: rgba(13, 38, 34, 0.93);
  --panel-2: rgba(18, 58, 48, 0.88);
  --border: rgba(110, 231, 183, 0.22);
  --muted: #a4cfc0;
  --muted-2: #71998c;
  --theme-glow-a: rgba(52, 211, 153, 0.18);
  --theme-glow-b: rgba(20, 184, 166, 0.14);
  --theme-bg-start: #06130f;
  --theme-bg-mid: #0b201a;
  --theme-bg-end: #040b09;
  --theme-surface: rgba(6, 78, 59, .34);
  --theme-surface-2: rgba(15, 54, 44, .76);
}

body.theme-warm {
  --panel: rgba(46, 31, 23, 0.94);
  --panel-2: rgba(67, 43, 30, 0.88);
  --border: rgba(251, 191, 36, 0.22);
  --muted: #d7bfa4;
  --muted-2: #a58366;
  --theme-glow-a: rgba(251, 191, 36, 0.16);
  --theme-glow-b: rgba(251, 113, 133, 0.12);
  --theme-bg-start: #170d08;
  --theme-bg-mid: #25150d;
  --theme-bg-end: #0e0705;
  --theme-surface: rgba(120, 53, 15, .27);
  --theme-surface-2: rgba(59, 37, 25, .78);
}

body.theme-midnight,
body.theme-blueprint,
body.theme-forest,
body.theme-warm {
  background:
    radial-gradient(circle at 15% 5%, var(--theme-glow-a), transparent 26rem),
    radial-gradient(circle at 95% 0%, var(--theme-glow-b), transparent 28rem),
    linear-gradient(135deg, var(--theme-bg-start) 0%, var(--theme-bg-mid) 50%, var(--theme-bg-end) 100%);
}

body.theme-midnight .app-hero,
body.theme-blueprint .app-hero,
body.theme-forest .app-hero,
body.theme-warm .app-hero {
  background:
    linear-gradient(135deg, var(--theme-surface-2), var(--theme-surface)),
    linear-gradient(135deg, var(--accent-faint), transparent 58%);
}

.app-topbar {
  background: color-mix(in srgb, var(--theme-bg-start, #05080e) 78%, transparent);
  border-bottom-color: var(--border);
}

.card {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.052), rgba(255,255,255,0.018)),
    linear-gradient(135deg, var(--accent-faint), transparent 72%),
    var(--panel);
}

.card-header {
  background:
    linear-gradient(90deg, var(--theme-surface-2, rgba(15,23,42,.78)), var(--theme-surface, rgba(30,41,59,.44))),
    linear-gradient(90deg, var(--accent-faint), transparent 68%);
}

.card:hover {
  border-color: var(--accent-strong);
  box-shadow: 0 18px 44px rgba(0,0,0,.36), 0 0 0 1px var(--accent-faint) inset, 0 0 28px var(--accent-faint);
}

.icon-btn:hover,
.btn:hover {
  border-color: var(--accent-strong);
  background: linear-gradient(135deg, var(--accent-faint), rgba(30, 41, 59, .70));
}

.btn.primary,
.nav-chip.active,
.brand-mark {
  border-color: var(--accent-strong);
  background: linear-gradient(135deg, var(--accent-soft), var(--accent2-soft));
}

.drag-handle:hover,
.accent-dot.active {
  border-color: var(--accent-strong);
  box-shadow: 0 0 0 3px var(--accent-faint);
}

.modal,
.setting-box,
.result-box,
.list-item,
.todo-row,
.chip,
.empty-filter {
  border-color: var(--border);
  background-color: var(--theme-surface, rgba(15, 23, 42, .45));
}

.modal-header {
  background: color-mix(in srgb, var(--theme-bg-mid, #0f172a) 86%, transparent);
}

/* color-mix 非対応ブラウザ向けの最低限フォールバック */
@supports not (background: color-mix(in srgb, red, blue)) {
  .app-topbar { background: rgba(5, 8, 14, .82); }
  .modal-header { background: rgba(15, 23, 42, .92); }
}


/* v1.0.10: マップ検索カード */
.card[data-card-id="mapSearch"] .query-preview > div + div {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}
.card[data-card-id="mapSearch"] .list-item .row.no-wrap {
  gap: 5px;
}
.card[data-card-id="mapSearch"] .tiny-btn {
  padding-inline: 8px;
}
@media (max-width: 520px) {
  .card[data-card-id="mapSearch"] .list-item {
    align-items: stretch;
  }
  .card[data-card-id="mapSearch"] .list-item .row.no-wrap {
    flex-wrap: wrap;
    justify-content: flex-start;
  }
}


/* Google services quick links */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
  gap: 8px;
}
.service-btn {
  justify-content: center;
  min-height: 34px;
  white-space: nowrap;
}
@media (max-width: 520px) {
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* v1.1.x: server sync settings */
.sync-status-box {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .045);
  border-radius: 14px;
  padding: 10px 12px;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.55;
}
.sync-status-box.ok {
  border-color: rgba(52, 211, 153, .42);
  background: rgba(52, 211, 153, .08);
  color: #bbf7d0;
}
.sync-status-box.warn {
  border-color: rgba(251, 191, 36, .42);
  background: rgba(251, 191, 36, .08);
  color: #fde68a;
}
.sync-status-box.error {
  border-color: rgba(251, 113, 133, .42);
  background: rgba(251, 113, 133, .08);
  color: #fecdd3;
}
.sync-key-input {
  letter-spacing: .04em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.sync-option-grid label {
  align-items: center;
}
.sync-option-grid label.is-disabled {
  opacity: .48;
  cursor: not-allowed;
}
.sync-option-grid label.is-disabled input {
  cursor: not-allowed;
}

/* v1.1.5: shopping list */
.shopping-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}
.shopping-summary-grid > div {
  display: grid;
  gap: 4px;
  min-width: 0;
  padding: 8px;
  border: 1px solid rgba(148, 163, 184, .12);
  border-radius: 12px;
  background: rgba(2, 6, 23, .22);
}
.shopping-summary-grid span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}
.shopping-summary-grid strong {
  font-size: 16px;
  overflow-wrap: anywhere;
}
.danger-text { color: #fecdd3; }
.shopping-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border: 1px solid rgba(148, 163, 184, .14);
  border-radius: 14px;
  background: rgba(15, 23, 42, .45);
}
.shopping-row input[type="checkbox"] {
  width: 18px;
  min-height: 18px;
  accent-color: var(--accent);
}
.shopping-row.done .shopping-title {
  color: var(--muted-2);
  text-decoration: line-through;
}
.shopping-main { min-width: 0; }
.shopping-title {
  font-weight: 850;
  overflow-wrap: anywhere;
}
.shopping-title span {
  color: var(--muted);
  font-size: 12px;
  margin-left: 4px;
  text-decoration: none;
}
.shopping-sub {
  color: var(--muted);
  font-size: 12px;
  margin-top: 3px;
  overflow-wrap: anywhere;
}
@media (max-width: 720px) {
  .shopping-summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* v1.1.13: 保存データ量メーター */
.data-usage-box {
  grid-column: 1 / -1;
}

.data-usage-meter {
  position: relative;
  height: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(15, 23, 42, .82);
  border: 1px solid rgba(148, 163, 184, .16);
  box-shadow: inset 0 1px 8px rgba(0, 0, 0, .35);
}

.data-usage-meter span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width .25s ease;
}

.data-usage-meter.is-warn span {
  background: linear-gradient(90deg, #fbbf24, #fb923c);
}

.data-usage-meter.is-danger span {
  background: linear-gradient(90deg, #fb7185, #ef4444);
}

.data-usage-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
}

.data-usage-row strong {
  font-size: 14px;
  letter-spacing: -.02em;
}

.data-usage-row span {
  color: var(--muted);
  font-weight: 900;
}

.data-usage-box .is-warn-text { color: #fbbf24; }
.data-usage-box .is-danger-text { color: #fb7185; }

/* v1.1.17: server sync conflict actions */
.sync-conflict-actions {
  border: 1px solid rgba(251, 191, 36, .34);
  background: rgba(251, 191, 36, .06);
  border-radius: 14px;
  padding: 10px 12px;
  display: grid;
  gap: 8px;
}
.sync-conflict-actions[hidden] {
  display: none !important;
}
.sync-conflict-actions .row {
  gap: 8px;
}

/* v1.1.17: search clear button must keep its absolute centering on hover/active. */
.search-clear,
.search-clear:hover,
.search-clear:active,
.search-clear:focus-visible {
  transform: translateY(-50%);
}
.search-clear:hover {
  border-color: var(--accent-strong);
  background: linear-gradient(135deg, var(--accent-faint), rgba(30, 41, 59, .70));
}


/* v1.1.17: カードタイトルバーをクリックして開閉できるようにする。 */
.card-header {
  cursor: pointer;
}
.card-header .drag-handle,
.card-header .icon-btn,
.card-header button,
.card-header a,
.card-header input,
.card-header select,
.card-header textarea,
.card-header label {
  cursor: auto;
}
.card-header .drag-handle {
  cursor: grab;
}
.card-header .drag-handle:active {
  cursor: grabbing;
}
.card-header .pin-btn,
.card-header .collapse-btn,
.card-header .header-btns .icon-btn {
  cursor: pointer;
}