/* ═══════════════════════════════════════════════════════════════
   ALUMLY — Inline Styles
   Professional Slate/Charcoal design system
   Dark mode default · Light mode via [data-theme="light"]
═══════════════════════════════════════════════════════════════ */

      /* ──────────────────────────────────────────────────────────────
   DESIGN TOKENS — Dark (default)
────────────────────────────────────────────────────────────── */
      :root {
        --bg: #08111f;
        --bg-panel: #0b1424;
        --bg-elevated: #0d1728;
        --bg-card: #121d31;
        --bg-input: #101a2d;
        --bg-hover: #17243b;
        --border: rgba(255, 255, 255, 0.08);
        --border-med: rgba(255, 255, 255, 0.14);
        --border-hi: rgba(255, 255, 255, 0.2);
        --text: #f3f7ff;
        --text-2: #a7b6cc;
        --text-3: #6b7a93;
        --accent: #7bb0ff;
        --accent-dim: rgba(123, 176, 255, 0.14);
        --accent-glow: rgba(123, 176, 255, 0.2);
        --accent-dark: #5b8de0;
        --red: #ff7c7c;
        --red-dim: rgba(255, 124, 124, 0.14);
        --blue: #7bb0ff;
        --blue-dim: rgba(123, 176, 255, 0.14);
        --purple: #92a0ff;
        --purple-dim: rgba(146, 160, 255, 0.14);
        --teal: #6ed6cb;
        --teal-dim: rgba(110, 214, 203, 0.14);
        --yellow: #f3c96b;
        --yellow-dim: rgba(243, 201, 107, 0.14);
        --pink: #ff93bd;
        --pink-dim: rgba(255, 147, 189, 0.14);
        --green: #73d7a2;
        --green-dim: rgba(115, 215, 162, 0.14);
        --surface-glass: rgba(8, 17, 31, 0.78);
        --r: 18px;
        --r-sm: 12px;
        --r-xs: 8px;
        --shadow-sm:
          0 10px 25px rgba(0, 0, 0, 0.18), 0 2px 10px rgba(0, 0, 0, 0.12);
        --shadow-md:
          0 24px 60px rgba(0, 0, 0, 0.24), 0 2px 18px rgba(0, 0, 0, 0.14);
        --shadow-lg:
          0 30px 80px rgba(0, 0, 0, 0.32), 0 4px 24px rgba(0, 0, 0, 0.18);
        --shadow-note: 0 14px 32px rgba(0, 0, 0, 0.24);
        --font-body: "Manrope", sans-serif;
        --font-display: "Sora", sans-serif;
        --surface-gradient: linear-gradient(
          180deg,
          rgba(255, 255, 255, 0.03),
          transparent
        );
        --backdrop-pattern:
          radial-gradient(
            circle at top right,
            rgba(123, 176, 255, 0.12),
            transparent 30%
          ),
          radial-gradient(
            circle at left 16%,
            rgba(110, 214, 203, 0.08),
            transparent 22%
          ),
          radial-gradient(
            circle at 80% 85%,
            rgba(146, 160, 255, 0.08),
            transparent 22%
          );
        /* legacy aliases kept for JS-generated HTML */
        --surface: #0d1728;
        --surface2: #121d31;
        --surface3: #17243b;
        --muted: #6b7a93;
        --border2: rgba(255, 255, 255, 0.14);
        --accent2: #92a0ff;
        --accent3: #ff7c7c;
        --accent4: #7bb0ff;
        --danger: #ff7c7c;
        --sidebar-w: 248px;
        --topbar-h: 68px;
      }

      /* ──────────────────────────────────────────────────────────────
   DESIGN TOKENS — Light
────────────────────────────────────────────────────────────── */
      [data-theme="light"] {
        --bg: #f4f7fb;
        --bg-panel: #f7f9fd;
        --bg-elevated: #fbfdff;
        --bg-card: #ffffff;
        --bg-input: #f5f8fc;
        --bg-hover: #edf3fb;
        --border: rgba(13, 29, 49, 0.08);
        --border-med: rgba(13, 29, 49, 0.12);
        --border-hi: rgba(13, 29, 49, 0.18);
        --text: #102034;
        --text-2: #5b6f8a;
        --text-3: #8ea0ba;
        --accent: #3f79d8;
        --accent-dim: rgba(63, 121, 216, 0.12);
        --accent-glow: rgba(63, 121, 216, 0.18);
        --accent-dark: #2d61ba;
        --surface-glass: rgba(255, 255, 255, 0.84);
        --shadow-sm:
          0 10px 30px rgba(35, 56, 82, 0.08), 0 2px 12px rgba(35, 56, 82, 0.05);
        --shadow-md:
          0 22px 50px rgba(35, 56, 82, 0.12), 0 4px 18px rgba(35, 56, 82, 0.08);
        --shadow-lg:
          0 34px 84px rgba(35, 56, 82, 0.16), 0 8px 28px rgba(35, 56, 82, 0.1);
        --shadow-note: 0 16px 34px rgba(35, 56, 82, 0.12);
        --surface: #fbfdff;
        --surface2: #ffffff;
        --surface3: #edf3fb;
        --muted: #8ea0ba;
        --border2: rgba(13, 29, 49, 0.12);
        --accent2: #7089f2;
        --accent3: #e05c5c;
        --accent4: #3f79d8;
        --danger: #d94f4f;
        --backdrop-pattern:
          radial-gradient(
            circle at top right,
            rgba(63, 121, 216, 0.1),
            transparent 30%
          ),
          radial-gradient(
            circle at left 16%,
            rgba(110, 214, 203, 0.1),
            transparent 24%
          ),
          radial-gradient(
            circle at 80% 85%,
            rgba(146, 160, 255, 0.08),
            transparent 24%
          );
      }

      /* ──────────────────────────────────────────────────────────────
   RESET
────────────────────────────────────────────────────────────── */
      *,
      *::before,
      *::after {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
      }
      html {
        font-size: 16px;
      }
      body {
        font-family: var(--font-body);
        background: var(--bg);
        color: var(--text);
        height: 100vh;
        overflow: hidden;
        -webkit-font-smoothing: antialiased;
        transition:
          background 0.3s,
          color 0.3s;
        background-image: var(--backdrop-pattern);
      }
      button {
        font-family: var(--font-body);
        cursor: pointer;
        border: none;
        outline: none;
      }
      input,
      textarea {
        font-family: var(--font-body);
        outline: none;
        border: none;
      }
      ::-webkit-scrollbar {
        width: 4px;
        height: 4px;
      }
      ::-webkit-scrollbar-track {
        background: transparent;
      }
      ::-webkit-scrollbar-thumb {
        background: var(--border-med);
        border-radius: 99px;
      }

      /* ──────────────────────────────────────────────────────────────
   APP SHELL
────────────────────────────────────────────────────────────── */
      #app {
        display: flex;
        height: 100vh;
        overflow: hidden;
        visibility: hidden;
        opacity: 0;
        transition: opacity 0.3s ease;
      }
      #app.ready {
        visibility: visible;
        opacity: 1;
      }

      /* ──────────────────────────────────────────────────────────────
   SIDEBAR
────────────────────────────────────────────────────────────── */
      #sidebar {
        width: var(--sidebar-w);
        min-width: var(--sidebar-w);
        background:
          linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent),
          var(--bg-elevated);
        border-right: 1px solid var(--border);
        display: flex;
        flex-direction: column;
        padding: 0 0 20px 0;
        overflow-y: auto;
        overflow-x: hidden;
        flex-shrink: 0;
        z-index: 10;
        box-shadow: inset -1px 0 0 rgba(255, 255, 255, 0.02);
      }
      .logo {
        font-family: var(--font-display);
        font-size: 18px;
        font-weight: 800;
        color: var(--accent);
        padding: 24px 20px 22px;
        display: flex;
        align-items: center;
        gap: 10px;
        letter-spacing: -0.04em;
        user-select: none;
        border-bottom: 1px solid var(--border);
        flex-shrink: 0;
      }
      .logo-pulse {
        width: 8px;
        height: 8px;
        background: var(--accent);
        border-radius: 50%;
        animation: logoPulse 2.8s ease-in-out infinite;
      }
      @keyframes logoPulse {
        0%,
        100% {
          box-shadow: 0 0 0 0 var(--accent-glow);
        }
        50% {
          box-shadow: 0 0 0 6px transparent;
        }
      }
      .sidebar-label {
        font-size: 10px;
        font-weight: 700;
        letter-spacing: 0.18em;
        text-transform: uppercase;
        color: var(--text-3);
        padding: 18px 20px 8px;
      }
      #sb-subjects {
        display: flex;
        flex-direction: column;
        gap: 2px;
        padding: 0 8px;
        flex: 1;
      }
      .subject-item {
        display: flex;
        align-items: center;
        gap: 11px;
        padding: 11px 12px;
        border-radius: 16px;
        cursor: pointer;
        transition:
          background 0.15s,
          border-color 0.15s,
          transform 0.15s;
        position: relative;
        border: 1px solid var(--border);
        min-width: 0;
        background: rgba(255, 255, 255, 0.015);
      }
      .subject-item:hover {
        background: var(--bg-hover);
        border-color: var(--border-med);
        transform: translateY(-1px);
      }
      .subject-item.active {
        background: var(--accent-dim);
        border-color: rgba(184, 240, 74, 0.2);
      }
      [data-theme="light"] .subject-item.active {
        background: var(--accent-dim);
        border-color: rgba(107, 170, 0, 0.2);
      }
      .subject-item.active .subject-name {
        color: var(--text);
      }
      .subject-item.active::before {
        content: "";
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 3px;
        height: 60%;
        background: var(--accent);
        border-radius: 0 3px 3px 0;
      }
      .subject-icon-chip {
        width: 34px;
        height: 34px;
        border-radius: 11px;
        flex-shrink: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 17px;
        background: color-mix(
          in srgb,
          var(--subject-color, var(--bg-hover)) 18%,
          transparent
        );
        border: 1px solid
          color-mix(
            in srgb,
            var(--subject-color, var(--border-med)) 42%,
            transparent
          );
      }
      .subject-name {
        font-size: 13px;
        font-weight: 600;
        color: var(--text);
        flex: 1;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
      }
      .exam-badge {
        font-size: 10px;
        color: var(--text-3);
        display: block;
        margin-top: 1px;
      }
      .subject-del {
        opacity: 0;
        background: none;
        color: var(--text-3);
        font-size: 15px;
        padding: 2px 4px;
        border-radius: 4px;
        transition:
          opacity 0.15s,
          color 0.15s;
      }
      .subject-item:hover .subject-del {
        opacity: 1;
      }
      .subject-del:hover {
        color: var(--red);
      }
      #add-subj-btn {
        margin: 6px 8px 18px;
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 9px 10px;
        border-radius: var(--r-sm);
        color: var(--text-3);
        font-size: 12.5px;
        background: none;
        border: 1.5px dashed var(--border-med);
        width: calc(100% - 16px);
        transition: all 0.15s;
      }
      #add-subj-btn:hover {
        color: var(--accent);
        border-color: var(--accent);
        background: var(--accent-dim);
      }

      /* ── Sidebar user strip ── */
      .sidebar-user-strip {
        margin-top: auto;
        padding-top: 18px;
        border-top: 1px solid var(--border);
        display: flex;
        align-items: center;
        gap: 9px;
        min-width: 0;
        padding-left: 10px;
        padding-right: 10px;
      }
      .sidebar-avatar {
        width: 28px;
        height: 28px;
        border-radius: 50%;
        object-fit: cover;
        background: var(--bg-hover);
        flex-shrink: 0;
      }
      .sidebar-username {
        flex: 1;
        font-size: 11.5px;
        font-weight: 500;
        color: var(--text-2);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        min-width: 0;
      }
      .sidebar-guest-badge {
        font-size: 10px;
        font-weight: 600;
        color: var(--yellow);
        background: var(--yellow-dim);
        padding: 2px 7px;
        border-radius: 99px;
        white-space: nowrap;
        flex-shrink: 0;
      }
      #btn-signout {
        background: none;
        color: var(--text-3);
        font-size: 11px;
        padding: 4px 7px;
        border-radius: 5px;
        transition: all 0.15s;
        white-space: nowrap;
        flex-shrink: 0;
        font-family: var(--font-body);
      }
      #btn-signout:hover {
        color: var(--red);
        background: var(--red-dim);
      }

      /* ──────────────────────────────────────────────────────────────
   MAIN COLUMN
────────────────────────────────────────────────────────────── */
      #main {
        flex: 1;
        display: flex;
        flex-direction: column;
        overflow: hidden;
        min-width: 0;
      }
      #topbar {
        height: var(--topbar-h);
        border-bottom: 1px solid var(--border);
        display: flex;
        align-items: center;
        padding: 0 28px;
        gap: 16px;
        flex-shrink: 0;
        background:
          linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent),
          var(--bg-elevated);
        backdrop-filter: blur(16px);
        position: relative;
        z-index: 1200;
        overflow: visible;
      }
      #topbar.hidden-by-modal {
        opacity: 0;
        pointer-events: none;
        visibility: hidden;
      }
      #topbar-focus-actions {
        display: flex;
        align-items: center;
        gap: 8px;
      }
      #page-title {
        font-family: var(--font-display);
        font-size: 18px;
        font-weight: 700;
        display: flex;
        align-items: center;
        gap: 10px;
        margin-right: auto;
        letter-spacing: -0.03em;
      }
      .topbar-actions {
        display: flex;
        gap: 8px;
        align-items: center;
        flex-wrap: wrap;
        position: relative;
        z-index: 1201;
      }
      .btn {
        font-size: 12.5px;
        font-weight: 600;
        padding: 9px 15px;
        border-radius: 99px;
        border: 1px solid var(--border-med);
        background: rgba(255, 255, 255, 0.02);
        color: var(--text-2);
        transition:
          all 0.18s ease,
          transform 0.18s ease;
        white-space: nowrap;
      }
      .btn:hover {
        color: var(--text);
        border-color: var(--border-hi);
        transform: translateY(-1px);
      }
      .btn.active {
        background: var(--accent);
        color: #0e1300;
        border-color: var(--accent);
        font-weight: 600;
      }
      .btn.accent {
        border-color: var(--purple);
        color: var(--purple);
      }
      .btn.accent:hover {
        background: var(--purple-dim);
      }
      .btn.danger {
        border-color: var(--red-dim);
        color: var(--red);
      }
      .btn.danger:hover {
        background: var(--red-dim);
      }

      /* ── Sync badge ── */
      #sync-badge {
        display: flex;
        align-items: center;
        gap: 5px;
        font-size: 11px;
        font-weight: 500;
        padding: 5px 11px;
        border-radius: 99px;
        transition: all 0.25s;
        opacity: 0;
        pointer-events: none;
      }
      #sync-badge.show {
        opacity: 1;
      }
      #sync-badge.syncing {
        color: var(--blue);
        background: var(--blue-dim);
        border: 1px solid rgba(94, 160, 240, 0.2);
      }
      #sync-badge.saved {
        color: var(--accent);
        background: var(--accent-dim);
        border: 1px solid rgba(184, 240, 74, 0.2);
      }
      #sync-badge.local {
        color: var(--yellow);
        background: var(--yellow-dim);
        border: 1px solid rgba(245, 200, 66, 0.2);
      }
      #sync-badge.error {
        color: var(--red);
        background: var(--red-dim);
        border: 1px solid rgba(242, 108, 108, 0.2);
      }
      .sync-dot {
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: currentColor;
      }
      #sync-badge.syncing .sync-dot {
        animation: logoPulse 1s ease-in-out infinite;
      }

      /* ──────────────────────────────────────────────────────────────
   DASHBOARD
────────────────────────────────────────────────────────────── */
      #dashboard {
        flex: 1;
        overflow-y: auto;
        padding: 40px 36px 52px;
        background: var(--backdrop-pattern), var(--bg);
      }
      .dash-header {
        margin-bottom: 28px;
        padding: 34px;
        border-radius: 32px;
        border: 1px solid var(--border);
        background: var(--surface-gradient), var(--bg-card);
        box-shadow: var(--shadow-md);
      }
      .dash-header h1 {
        font-family: var(--font-display);
        font-size: 38px;
        font-weight: 800;
        letter-spacing: -0.05em;
        line-height: 1.1;
      }
      .dash-header h1 span {
        color: var(--accent);
      }
      .dash-header p {
        color: var(--text-2);
        margin-top: 10px;
        font-size: 15px;
        max-width: 680px;
        line-height: 1.65;
      }
      .pomodoro-shell {
        position: relative;
        flex-shrink: 0;
        z-index: 1202;
      }
      .pomodoro-trigger {
        display: inline-flex;
        align-items: center;
        gap: 10px;
      }
      .pomodoro-trigger.running {
        color: var(--text);
        border-color: var(--border-hi);
        background: var(--accent-dim);
      }
      .pomodoro-trigger-label {
        font-weight: 700;
      }
      .pomodoro-trigger-time {
        font-family: var(--font-display);
        font-size: 13px;
        letter-spacing: -0.04em;
      }
      .pomodoro-popover {
        position: absolute;
        top: calc(100% + 12px);
        right: 0;
        width: min(360px, calc(100vw - 32px));
        opacity: 0;
        pointer-events: none;
        transform: translateY(-6px);
        transition:
          opacity 0.18s ease,
          transform 0.18s ease;
        z-index: 1300;
      }
      .pomodoro-popover.open {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
      }
      .pomodoro-card {
        border: 1px solid var(--border);
        background:
          linear-gradient(160deg, color-mix(in srgb, var(--accent-dim) 72%, transparent), transparent 65%),
          var(--surface-gradient),
          var(--bg-card);
        box-shadow: var(--shadow-sm);
        border-radius: 26px;
        padding: 20px;
      }
      .pomodoro-card > * + * {
        margin-top: 12px;
      }
      .pomodoro-head,
      .pomodoro-actions,
      .pomodoro-modes,
      .pomodoro-presets {
        display: flex;
        align-items: center;
        gap: 8px;
        flex-wrap: wrap;
      }
      .pomodoro-head {
        justify-content: space-between;
      }
      .pomodoro-eyebrow {
        font-size: 10px;
        letter-spacing: 0.18em;
        text-transform: uppercase;
        color: var(--text-3);
        margin-bottom: 4px;
      }
      .pomodoro-mode {
        font-family: var(--font-display);
        font-size: 18px;
        font-weight: 700;
        letter-spacing: -0.04em;
      }
      .pomodoro-status,
      .pomodoro-meta {
        font-size: 11.5px;
        color: var(--text-2);
      }
      .pomodoro-time {
        font-family: var(--font-display);
        font-size: clamp(34px, 4vw, 46px);
        font-weight: 800;
        letter-spacing: -0.08em;
        line-height: 1;
        margin: 4px 0 2px;
      }
      .pomodoro-chip {
        font-size: 11px;
        font-weight: 700;
        padding: 7px 11px;
        border-radius: 999px;
        border: 1px solid var(--border-med);
        background: rgba(255, 255, 255, 0.025);
        color: var(--text-2);
        transition: all 0.18s ease;
      }
      .pomodoro-chip:hover {
        color: var(--text);
        border-color: var(--border-hi);
      }
      .pomodoro-chip.active {
        background: var(--accent);
        border-color: var(--accent);
        color: #0e1300;
      }
      .pomodoro-card[data-mode="work"] {
        --pomodoro-accent: var(--accent);
      }
      .pomodoro-card[data-mode="shortBreak"] {
        --pomodoro-accent: var(--teal);
      }
      .pomodoro-card[data-mode="longBreak"] {
        --pomodoro-accent: var(--pink);
      }
      .pomodoro-card.is-running {
        border-color: color-mix(in srgb, var(--pomodoro-accent, var(--accent)) 45%, var(--border));
        box-shadow: 0 18px 40px color-mix(in srgb, var(--pomodoro-accent, var(--accent)) 16%, transparent);
      }
      .pomodoro-card.is-running .pomodoro-time {
        color: var(--pomodoro-accent, var(--accent));
      }
      .pomodoro-actions .btn {
        display: inline-flex;
        align-items: center;
        flex: 1 1 120px;
        justify-content: center;
        text-align: center;
      }
      .pomodoro-modes,
      .pomodoro-presets {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(104px, 1fr));
        gap: 10px;
      }
      .pomodoro-chip {
        width: 100%;
        text-align: center;
      }
      .stats-bar {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
        gap: 12px;
        margin-bottom: 26px;
      }
      .stat-card {
        background: var(--surface-gradient), var(--bg-card);
        border: 1px solid var(--border);
        border-radius: 22px;
        padding: 18px 20px;
        min-width: 110px;
        transition:
          border-color 0.2s,
          transform 0.2s;
      }
      .stat-card:hover {
        border-color: var(--border-med);
        transform: translateY(-2px);
      }
      .stat-val {
        font-family: var(--font-display);
        font-size: 30px;
        font-weight: 800;
        color: var(--accent);
        line-height: 1;
        margin-bottom: 3px;
      }
      .stat-label {
        font-size: 11px;
        color: var(--text-3);
      }
      .subjects-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 16px;
      }
      .subject-card {
        background: var(--surface-gradient), var(--bg-card);
        border: 1px solid var(--border);
        border-radius: 26px;
        padding: 24px;
        cursor: pointer;
        position: relative;
        overflow: hidden;
        transition:
          border-color 0.2s,
          transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1),
          box-shadow 0.2s;
        animation: cardReveal 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) both;
      }
      @keyframes cardReveal {
        from {
          opacity: 0;
          transform: translateY(10px) scale(0.96);
        }
        to {
          opacity: 1;
          transform: none;
        }
      }
      .subject-card::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: var(--card-color, var(--purple));
        border-radius: var(--r) var(--r) 0 0;
      }
      .subject-card:hover {
        border-color: var(--border-med);
        transform: translateY(-3px) scale(1.01);
        box-shadow: var(--shadow-md);
      }
      .card-top {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        margin-bottom: 11px;
      }
      .card-icon {
        width: 48px;
        height: 48px;
        border-radius: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 21px;
        background: var(--bg-hover);
      }
      .card-menu {
        background: none;
        color: var(--text-3);
        font-size: 17px;
        padding: 4px;
        border-radius: 6px;
        transition: all 0.15s;
        line-height: 1;
      }
      .card-menu:hover {
        background: var(--bg-hover);
        color: var(--text);
      }
      .card-name {
        font-family: var(--font-display);
        font-size: 20px;
        font-weight: 700;
        margin-bottom: 8px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
      }
      .card-exam {
        font-size: 12.5px;
        color: var(--text-2);
        display: flex;
        align-items: center;
        gap: 5px;
        flex-wrap: wrap;
      }
      .card-stats {
        display: flex;
        gap: 10px;
        margin-top: 14px;
        padding-top: 14px;
        border-top: 1px solid var(--border);
        flex-wrap: wrap;
      }
      .card-stat {
        font-size: 11.5px;
        color: var(--text-3);
        display: flex;
        align-items: center;
        gap: 4px;
      }
      .card-stat span {
        color: var(--text-2);
        font-weight: 500;
      }
      .chip {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        font-size: 10px;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        padding: 2px 7px;
        border-radius: 99px;
      }
      .chip-priority {
        background: var(--red-dim);
        color: var(--red);
      }
      .countdown {
        font-size: 10.5px;
        padding: 2px 7px;
        border-radius: 99px;
        font-weight: 500;
      }
      .c-soon {
        background: var(--red-dim);
        color: var(--red);
      }
      .c-mid {
        background: var(--yellow-dim);
        color: var(--yellow);
      }
      .c-ok {
        background: var(--blue-dim);
        color: var(--blue);
      }
      .add-card {
        background: none;
        border: 1.5px dashed var(--border-med);
        border-radius: var(--r);
        padding: 18px;
        cursor: pointer;
        transition: all 0.18s;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 9px;
        min-height: 140px;
        color: var(--text-3);
        font-size: 13px;
      }
      .add-card:hover {
        border-color: var(--accent);
        color: var(--accent);
        background: var(--accent-dim);
      }
      .add-card-icon {
        font-size: 26px;
      }
      .dash-empty {
        text-align: center;
        padding: 60px 0;
        color: var(--text-2);
        grid-column: 1/-1;
      }
      .dash-empty-icon {
        font-size: 52px;
        margin-bottom: 14px;
        opacity: 0.2;
      }
      .dash-empty h3 {
        font-family: var(--font-display);
        font-size: 18px;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 5px;
      }
      .dash-empty p {
        font-size: 13px;
      }

      /* ──────────────────────────────────────────────────────────────
   WORKSPACE
────────────────────────────────────────────────────────────── */
      #workspace {
        flex: 1;
        display: flex;
        overflow: hidden;
      }

      /* ──────────────────────────────────────────────────────────────
   INFINITE CANVAS
────────────────────────────────────────────────────────────── */
      #canvas-panel {
        flex: 1;
        position: relative;
        overflow: hidden;
        cursor: default;
        user-select: none;
        background: var(--backdrop-pattern), var(--bg);
      }
      #canvas-panel::before {
        content: "";
        position: absolute;
        inset: 0;
        pointer-events: none;
        opacity: 0.45;
        background-image: radial-gradient(
          circle,
          var(--border-med) 1px,
          transparent 1px
        );
        background-size: 28px 28px;
        background-position: var(--grid-ox, 0px) var(--grid-oy, 0px);
      }
      #canvas-panel.panning {
        cursor: grabbing;
      }
      #canvas-panel.pan-ready {
        cursor: grab;
      }
      #canvas-world {
        position: absolute;
        top: 0;
        left: 0;
        transform-origin: 0 0;
        will-change: transform;
      }
      #conn-svg {
        position: absolute;
        top: 0;
        left: 0;
        width: 100000px;
        height: 100000px;
        pointer-events: none;
        overflow: visible;
      }
      .conn-path {
        fill: none;
        stroke: var(--purple);
        stroke-width: 2;
        stroke-dasharray: 7 5;
        opacity: 0.5;
        pointer-events: stroke;
        cursor: pointer;
        transition:
          opacity 0.15s,
          stroke 0.15s;
      }
      .conn-path:hover {
        opacity: 1;
      }

      /* Note card */
      .note {
        position: absolute;
        min-width: 210px;
        max-width: 320px;
        background:
          linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 52%),
          color-mix(in srgb, var(--bg-card) 94%, white 6%);
        border: 1px solid color-mix(in srgb, var(--border) 76%, white 24%);
        border-radius: 20px;
        box-shadow: var(--shadow-note);
        cursor: grab;
        animation: noteIn 0.18s ease-out;
        transition:
          box-shadow 0.15s,
          border-color 0.15s,
          transform 0.15s,
          background 0.15s;
        z-index: 2;
        overflow: hidden;
      }
      @keyframes noteIn {
        from {
          opacity: 0;
          transform: scale(0.85);
        }
        to {
          opacity: 1;
          transform: scale(1);
        }
      }
      .note:active {
        cursor: grabbing;
      }
      .note.dragging {
        box-shadow: var(--shadow-lg);
        z-index: 999;
      }
      .note.selected {
        border-color: var(--accent);
        box-shadow:
          0 0 0 2px var(--accent-glow),
          var(--shadow-note);
      }
      .note:hover {
        transform: translateY(-2px);
        box-shadow:
          0 16px 36px rgba(5, 14, 30, 0.28),
          0 0 0 1px rgba(255, 255, 255, 0.05);
      }
      .note.connecting-source {
        border-color: var(--purple);
        box-shadow: 0 0 0 2px var(--purple-dim);
      }
      .note-bar {
        height: 7px;
        border-radius: 20px 20px 0 0;
      }
      .note-body {
        padding: 14px 14px 10px;
      }
      .note-text {
        font-family: var(--font-body);
        font-size: 14px;
        line-height: 1.72;
        color: var(--text);
        background: none;
        width: 100%;
        resize: none;
        min-height: 76px;
        max-height: 260px;
        cursor: text;
        display: block;
        caret-color: var(--accent);
      }
      .note-text::placeholder {
        color: var(--text-3);
        font-style: italic;
      }
      .note-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 6px 11px 11px;
        opacity: 0;
        transition: opacity 0.15s;
      }
      .note:hover .note-footer {
        opacity: 1;
      }
      .note-colors {
        display: flex;
        gap: 4px;
      }
      .note-color-dot {
        width: 11px;
        height: 11px;
        border-radius: 50%;
        cursor: pointer;
        border: 2px solid transparent;
        transition:
          transform 0.1s,
          border-color 0.1s;
      }
      .note-color-dot:hover {
        transform: scale(1.35);
        border-color: rgba(255, 255, 255, 0.35);
      }
      [data-theme="light"] .note-color-dot:hover {
        border-color: rgba(0, 0, 0, 0.3);
      }
      .note-btns {
        display: flex;
        gap: 2px;
      }
      .note-btn {
        background: none;
        font-size: 13px;
        color: var(--text-3);
        padding: 2px 5px;
        border-radius: 4px;
        transition: all 0.15s;
      }
      .note-btn:hover {
        background: var(--bg-hover);
        color: var(--text);
      }
      .note-btn.connect-active {
        color: var(--purple);
      }

      /* HUD */
      .canvas-hud {
        position: absolute;
        bottom: 24px;
        left: 50%;
        transform: translateX(-50%);
        display: flex;
        align-items: center;
        gap: 6px;
        background:
          linear-gradient(180deg, rgba(255, 255, 255, 0.1), transparent),
          color-mix(in srgb, var(--surface-glass) 88%, var(--bg-card) 12%);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border: 1px solid var(--border-med);
        border-radius: 99px;
        padding: 8px 14px;
        box-shadow:
          0 18px 44px rgba(7, 14, 29, 0.3),
          inset 0 1px 0 rgba(255, 255, 255, 0.08);
        z-index: 20;
        white-space: nowrap;
      }
      .hud-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        min-height: 38px;
        padding: 8px 14px;
        border-radius: 99px;
        font-size: 12.75px;
        font-weight: 600;
        background: none;
        color: var(--text-2);
        transition: all 0.15s;
        text-align: center;
      }
      .hud-btn:hover {
        background: var(--bg-hover);
        color: var(--text);
      }
      .hud-btn.primary {
        background: var(--accent);
        color: #0e1300;
        font-weight: 700;
        min-width: 112px;
      }
      .hud-btn.save-canvas {
        min-width: 138px;
        background: color-mix(in srgb, var(--green) 22%, transparent);
        color: var(--green);
        border: 1px solid color-mix(in srgb, var(--green) 35%, transparent);
      }
      .hud-btn.save-canvas.pending {
        background: linear-gradient(180deg, rgba(200, 245, 100, 0.24), rgba(200, 245, 100, 0.16));
        color: #efffbc;
        border-color: color-mix(in srgb, var(--green) 62%, transparent);
        box-shadow: 0 0 0 1px rgba(200, 245, 100, 0.12) inset;
      }
      [data-theme="light"] .hud-btn.save-canvas.pending {
        color: #2e4c04;
      }
      .hud-btn.primary:hover {
        background: var(--accent-dark);
      }
      .hud-btn.connect-mode {
        background: var(--purple-dim);
        color: var(--purple);
        border: 1px solid var(--purple);
      }
      .hud-divider {
        width: 1px;
        height: 18px;
        background: var(--border-med);
      }
      .zoom-display {
        font-size: 11px;
        font-weight: 600;
        color: var(--text-3);
        padding: 0 6px;
        min-width: 40px;
        text-align: center;
        font-variant-numeric: tabular-nums;
      }
      .canvas-save-status {
        position: absolute;
        bottom: 90px;
        left: 50%;
        transform: translateX(-50%);
        padding: 8px 12px;
        border-radius: 999px;
        background: color-mix(in srgb, var(--bg-card) 78%, transparent);
        border: 1px solid var(--border);
        color: var(--text-3);
        font-size: 11.5px;
        font-weight: 600;
        letter-spacing: 0.01em;
        white-space: nowrap;
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        z-index: 18;
      }
      .canvas-minimap {
        position: absolute;
        top: 18px;
        left: 18px;
        width: 220px;
        padding: 12px;
        border-radius: 18px;
        border: 1px solid var(--border-med);
        background:
          linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent),
          color-mix(in srgb, var(--surface-glass) 90%, var(--bg-card) 10%);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        box-shadow: var(--shadow-sm);
        z-index: 22;
        display: none;
        pointer-events: none;
      }
      .canvas-minimap-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        margin-bottom: 10px;
        font-size: 11px;
        font-weight: 700;
        letter-spacing: 0.12em;
        text-transform: uppercase;
        color: var(--text-3);
      }
      .canvas-minimap-exit {
        pointer-events: auto;
        padding: 4px 8px;
        border-radius: 999px;
        border: 1px solid var(--border-med);
        background: rgba(255, 255, 255, 0.03);
        color: var(--text-2);
        font-size: 10px;
        font-weight: 700;
        text-transform: none;
      }
      .canvas-minimap-exit:hover {
        background: var(--bg-hover);
        color: var(--text);
      }
      .canvas-minimap-stage {
        position: relative;
        height: 140px;
        border-radius: 14px;
        overflow: hidden;
        border: 1px solid var(--border);
        background:
          radial-gradient(circle at top, rgba(138, 180, 255, 0.1), transparent 36%),
          linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent),
          var(--bg);
      }
      .canvas-minimap-stage::before {
        content: "";
        position: absolute;
        inset: 0;
        background-image:
          linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
          linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
        background-size: 18px 18px;
        opacity: 0.45;
        pointer-events: none;
      }
      .canvas-minimap-empty {
        position: absolute;
        inset: 0;
        display: grid;
        place-items: center;
        color: var(--text-3);
        font-size: 11px;
        z-index: 1;
      }
      .canvas-minimap-notes,
      .canvas-minimap-viewport {
        position: absolute;
        inset: 0;
      }
      .canvas-minimap-note {
        position: absolute;
        width: 10px;
        height: 7px;
        border-radius: 999px;
        box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08);
        transform: translate(-50%, -50%);
      }
      .canvas-minimap-viewport {
        border: 1.5px solid var(--accent);
        border-radius: 8px;
        background: color-mix(in srgb, var(--accent) 12%, transparent);
        box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06) inset;
        display: none;
      }
      #canvas-panel.canvas-focus-mode .canvas-minimap {
        display: block;
      }
      #canvas-panel.canvas-focus-mode .kbd-hint,
      #canvas-panel.canvas-focus-mode .canvas-hud,
      #canvas-panel.canvas-focus-mode .canvas-save-status,
      #canvas-panel.canvas-focus-mode .conn-hint {
        display: none !important;
      }
      #canvas-panel:fullscreen {
        width: 100vw;
        height: 100vh;
      }
      #canvas-panel:fullscreen .canvas-minimap {
        top: 24px;
        left: 24px;
      }
      .canvas-empty {
        position: absolute;
        inset: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 12px;
        color: var(--text-3);
        pointer-events: none;
        text-align: center;
      }
      .canvas-empty-icon {
        width: 84px;
        height: 84px;
        display: grid;
        place-items: center;
        font-size: 38px;
        opacity: 0.92;
        border-radius: 26px;
        color: var(--accent);
        background: color-mix(in srgb, var(--accent) 14%, transparent);
        border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
      }
      .canvas-empty p {
        font-size: 15px;
        font-weight: 700;
        color: var(--text);
      }
      .canvas-empty small {
        max-width: 360px;
        font-size: 12.5px;
        line-height: 1.6;
        opacity: 0.72;
      }
      #canvas-panel {
        position: relative;
        background:
          radial-gradient(
            circle at top,
            rgba(138, 180, 255, 0.14),
            transparent 34%
          ),
          linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 28%),
          var(--bg-panel);
      }
      #canvas-panel::before {
        content: "";
        position: absolute;
        inset: 0;
        pointer-events: none;
        background-image:
          linear-gradient(rgba(255, 255, 255, 0.034) 1px, transparent 1px),
          linear-gradient(
            90deg,
            rgba(255, 255, 255, 0.034) 1px,
            transparent 1px
          );
        background-size: 34px 34px;
        mask-image: radial-gradient(
          circle at center,
          black 44%,
          transparent 100%
        );
        opacity: 0.46;
      }
      [data-theme="light"] #canvas-panel::before {
        background-image:
          linear-gradient(rgba(8, 30, 66, 0.06) 1px, transparent 1px),
          linear-gradient(90deg, rgba(8, 30, 66, 0.06) 1px, transparent 1px);
      }
      #canvas-panel::after {
        content: "";
        position: absolute;
        inset: 16px;
        pointer-events: none;
        border-radius: 28px;
        border: 1px solid rgba(255, 255, 255, 0.04);
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
      }
      .kbd-hint {
        position: absolute;
        top: 14px;
        right: 14px;
        display: flex;
        gap: 8px;
        z-index: 10;
        pointer-events: none;
      }
      .kbd {
        display: flex;
        align-items: center;
        gap: 5px;
        font-size: 10.5px;
        color: var(--text-3);
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: 6px;
        padding: 4px 8px;
      }
      .date-field-grid {
        display: grid;
        grid-template-columns: 1fr 1fr 1.2fr;
        gap: 10px;
      }
      .date-select {
        appearance: none;
        background:
          linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent),
          var(--bg-card);
        cursor: pointer;
      }
      .date-field-label {
        display: block;
        margin-bottom: 6px;
        font-size: 11px;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.08em;
        color: var(--text-3);
      }
      .date-input-actions {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-top: 10px;
      }
      .btn-text {
        border: 0;
        background: none;
        padding: 0;
        font: inherit;
        font-weight: 600;
        color: var(--accent);
      }
      @media (max-width: 640px) {
        .date-field-grid {
          grid-template-columns: 1fr;
        }
        .date-input-actions {
          flex-direction: column;
          align-items: flex-start;
          gap: 8px;
        }
      }
      kbd {
        font-family: var(--font-body);
      }
      .conn-hint {
        position: absolute;
        top: 14px;
        left: 50%;
        transform: translateX(-50%);
        background: var(--purple-dim);
        border: 1px solid var(--purple);
        border-radius: 99px;
        padding: 7px 16px;
        font-size: 12px;
        color: var(--purple);
        font-weight: 500;
        z-index: 30;
        pointer-events: none;
        animation: fadeIn 0.2s ease-out;
      }

      /* ──────────────────────────────────────────────────────────────
   RESOURCES PANEL
────────────────────────────────────────────────────────────── */
      .resource-dock {
        display: none;
      }
      .resource-dock-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 14px;
      }
      .resource-dock-copy h3 {
        font-family: var(--font-display);
        font-size: 18px;
        font-weight: 700;
      }
      .resource-dock-copy p {
        margin-top: 5px;
        color: var(--text-2);
        font-size: 12px;
        line-height: 1.5;
      }
      .resource-summary {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
      }
      .summary-pill {
        border: 1px solid var(--border);
        border-radius: 999px;
        padding: 8px 12px;
        background: var(--bg-card);
        display: inline-flex;
        align-items: center;
        gap: 8px;
      }
      .summary-label {
        font-size: 10px;
        text-transform: uppercase;
        letter-spacing: 0.7px;
        color: var(--text-3);
      }
      .summary-value {
        font-size: 13px;
        font-weight: 700;
        color: var(--text);
      }
      .btn-sm {
        font-size: 12px;
        font-weight: 600;
        padding: 9px 12px;
        border-radius: 10px;
        transition: all 0.15s;
      }
      .btn-primary {
        background: var(--accent);
        color: #0e1300;
      }
      .btn-primary:hover {
        background: var(--accent-dark);
      }
      .btn-ghost {
        background: none;
        color: var(--text-2);
        border: 1px solid var(--border-med);
      }
      .btn-ghost:hover {
        color: var(--text);
        border-color: var(--border-hi);
      }
      .resource-type-row {
        display: flex;
        align-items: center;
        gap: 8px;
        flex-wrap: wrap;
      }
      .resource-type-btn {
        padding: 8px 11px;
        border-radius: 999px;
        border: 1px solid var(--border);
        background: var(--bg-card);
        color: var(--text-2);
        font-size: 11.5px;
        font-weight: 600;
        transition: all 0.15s;
      }
      .resource-type-btn:hover {
        color: var(--text);
        border-color: var(--border-hi);
      }
      .resource-type-btn.active {
        background: var(--accent-dim);
        border-color: color-mix(in srgb, var(--accent) 42%, transparent);
        color: var(--accent);
      }
      .resource-strip {
        display: flex;
        gap: 10px;
        overflow-x: auto;
        padding-bottom: 2px;
      }
      .resource-card {
        min-width: 220px;
        max-width: 270px;
        background: var(--surface-gradient), var(--bg-card);
        border: 1px solid var(--border);
        border-radius: 20px;
        padding: 16px;
        transition:
          border-color 0.15s,
          transform 0.15s,
          box-shadow 0.15s;
        position: relative;
        overflow: hidden;
        cursor: pointer;
      }
      .resource-card:hover {
        border-color: var(--border-med);
        transform: translateY(-1px);
      }
      .resource-card.active {
        border-color: color-mix(
          in srgb,
          var(--subject-color, var(--accent)) 55%,
          var(--border-med)
        );
        box-shadow: 0 0 0 1px
          color-mix(
            in srgb,
            var(--subject-color, var(--accent)) 28%,
            transparent
          );
      }
      .resource-card-row {
        display: flex;
        align-items: flex-start;
        gap: 10px;
      }
      .resource-card-type {
        width: 34px;
        height: 34px;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: color-mix(
          in srgb,
          var(--subject-color, var(--bg-hover)) 18%,
          transparent
        );
        border: 1px solid
          color-mix(
            in srgb,
            var(--subject-color, var(--border-med)) 42%,
            transparent
          );
        font-size: 16px;
        flex-shrink: 0;
      }
      .resource-card-title {
        font-size: 14px;
        font-weight: 700;
        color: var(--text);
      }
      .resource-card-meta {
        margin-top: 4px;
        font-size: 11px;
        color: var(--text-3);
      }
      .resource-card-preview {
        margin-top: 8px;
        font-size: 12.5px;
        line-height: 1.55;
        color: var(--text-2);
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 3;
        overflow: hidden;
      }
      .resource-card-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        margin-top: 12px;
      }
      .resource-card-date {
        font-size: 10.5px;
        color: var(--text-3);
      }
      .resource-card-actions {
        display: flex;
        gap: 4px;
      }
      .resource-card-action {
        width: 30px;
        height: 30px;
        border-radius: 9px;
        background: transparent;
        color: var(--text-3);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 13px;
        transition: all 0.15s;
      }
      .resource-card-action:hover {
        background: var(--bg-hover);
        color: var(--text);
      }
      .resource-card-action.active {
        color: var(--yellow);
      }
      .resource-card-action.danger:hover {
        color: var(--red);
      }
      .resource-empty {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 7px;
        color: var(--text-3);
        font-size: 12.5px;
        padding: 18px 12px 8px;
        text-align: center;
      }
      .resource-empty-icon {
        font-size: 30px;
        opacity: 0.28;
      }
      .resource-empty button {
        margin-top: 8px;
      }
      .resource-pinned {
        color: var(--yellow);
      }
      .resource-link {
        color: var(--blue);
        text-decoration: none;
      }

      /* ──────────────────────────────────────────────────────────────
   CONTEXT MENU
────────────────────────────────────────────────────────────── */
      #ctx-menu {
        position: fixed;
        background: var(--surface-glass);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border: 1px solid var(--border-med);
        border-radius: var(--r-sm);
        padding: 5px;
        box-shadow: var(--shadow-lg);
        z-index: 500;
        min-width: 160px;
        animation: popIn 0.12s cubic-bezier(0.34, 1.56, 0.64, 1);
      }
      @keyframes popIn {
        from {
          opacity: 0;
          transform: scale(0.9);
        }
        to {
          opacity: 1;
          transform: scale(1);
        }
      }
      .ctx-item {
        display: flex;
        align-items: center;
        gap: 9px;
        padding: 8px 12px;
        border-radius: 6px;
        font-size: 13px;
        color: var(--text);
        background: none;
        width: 100%;
        text-align: left;
        transition: background 0.1s;
      }
      .ctx-item:hover {
        background: var(--bg-hover);
      }
      .ctx-item.danger {
        color: var(--red);
      }
      .ctx-sep {
        height: 1px;
        background: var(--border);
        margin: 4px 0;
      }

      /* ──────────────────────────────────────────────────────────────
   MODAL
────────────────────────────────────────────────────────────── */
      .modal-overlay {
        position: fixed;
        inset: 0;
        background: rgba(4, 10, 20, 0.58);
        backdrop-filter: blur(14px);
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 300;
        animation: fadeIn 0.18s ease-out;
      }
      @keyframes fadeIn {
        from {
          opacity: 0;
        }
        to {
          opacity: 1;
        }
      }
      .modal {
        background: var(--bg-elevated);
        border: 1px solid var(--border-med);
        border-radius: 24px;
        padding: 28px;
        width: 400px;
        max-width: 92vw;
        max-height: 90vh;
        overflow-x: hidden;
        overflow-y: auto;
        scrollbar-gutter: stable;
        box-shadow: var(--shadow-lg);
        animation: slideUp 0.24s cubic-bezier(0.22, 1, 0.36, 1);
      }
      .modal.modal-wide {
        width: min(980px, 94vw);
      }
      .modal.modal-immersive {
        width: min(1280px, 96vw);
        height: min(860px, 94vh);
        max-height: 94vh;
        padding: 0;
        overflow: hidden;
      }
      @keyframes slideUp {
        from {
          opacity: 0;
          transform: translateY(14px) scale(0.97);
        }
        to {
          opacity: 1;
          transform: translateY(0) scale(1);
        }
      }
      .modal h2 {
        font-family: var(--font-display);
        font-size: 24px;
        font-weight: 700;
        margin-bottom: 18px;
        letter-spacing: -0.04em;
      }
      .modal-field {
        margin-bottom: 13px;
      }
      .modal-label {
        display: block;
        font-size: 11px;
        font-weight: 600;
        color: var(--text-3);
        margin-bottom: 5px;
        text-transform: uppercase;
        letter-spacing: 0.6px;
      }
      .modal-input {
        font-family: var(--font-body);
        font-size: 13.5px;
        background: var(--bg-input);
        border: 1px solid var(--border-med);
        border-radius: var(--r-sm);
        padding: 9px 13px;
        color: var(--text);
        transition: border-color 0.15s;
        width: 100%;
      }
      .modal-input:focus {
        border-color: var(--accent);
      }
      .modal-input::placeholder {
        color: var(--text-3);
      }
      .modal-help {
        margin-top: 6px;
        font-size: 11px;
        color: var(--text-3);
      }
      .icon-picker-grid {
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 8px;
      }
      .icon-picker-btn {
        height: 50px;
        border-radius: 14px;
        border: 1px solid var(--border);
        background: var(--bg-card);
        color: var(--text);
        font-size: 22px;
        transition:
          transform 0.15s,
          border-color 0.15s,
          background 0.15s;
      }
      .icon-picker-btn:hover {
        transform: translateY(-1px);
        border-color: var(--border-hi);
        background: var(--bg-hover);
      }
      .icon-picker-btn.selected {
        border-color: var(--accent);
        background: var(--accent-dim);
        box-shadow: 0 0 0 1px rgba(184, 240, 74, 0.12);
      }
      .color-grid {
        display: flex;
        gap: 7px;
        flex-wrap: wrap;
      }
      .color-swatch {
        width: 26px;
        height: 26px;
        border-radius: 50%;
        cursor: pointer;
        border: 3px solid transparent;
        transition: all 0.12s;
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
      }
      .color-swatch:hover {
        transform: scale(1.18);
      }
      .color-swatch.sel {
        border-color: rgba(255, 255, 255, 0.65);
        transform: scale(1.08);
      }
      [data-theme="light"] .color-swatch.sel {
        border-color: rgba(0, 0, 0, 0.5);
      }
      .toggle-row {
        display: flex;
        align-items: center;
        gap: 9px;
        cursor: pointer;
        font-size: 13px;
        color: var(--text-2);
        user-select: none;
      }
      .toggle {
        width: 30px;
        height: 17px;
        background: var(--bg-hover);
        border-radius: 99px;
        position: relative;
        transition: background 0.18s;
        border: 1px solid var(--border-med);
      }
      .toggle.on {
        background: var(--red);
        border-color: var(--red);
      }
      .toggle::after {
        content: "";
        position: absolute;
        left: 2px;
        top: 2px;
        width: 11px;
        height: 11px;
        background: #fff;
        border-radius: 50%;
        transition: transform 0.18s;
      }
      .toggle.on::after {
        transform: translateX(13px);
      }
      .modal-footer {
        display: flex;
        gap: 7px;
        justify-content: flex-end;
        margin-top: 22px;
        flex-wrap: wrap;
      }
      .resource-overlay-layout {
        display: flex;
        flex-direction: column;
        gap: 16px;
      }
      .resource-center {
        display: grid;
        grid-template-columns: 320px minmax(0, 1fr);
        height: 100%;
        min-height: 0;
      }
      .resource-center-sidebar {
        border-right: 1px solid var(--border);
        background:
          linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent),
          var(--bg-elevated);
        padding: 24px 20px;
        display: flex;
        flex-direction: column;
        gap: 18px;
        min-height: 0;
      }
      .resource-center-main {
        min-height: 0;
        display: flex;
        flex-direction: column;
        background:
          linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent),
          var(--bg);
      }
      .resource-center-header {
        padding: 26px 28px 20px;
        border-bottom: 1px solid var(--border);
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        gap: 16px;
      }
      .resource-center-title h2 {
        margin-bottom: 0;
      }
      .resource-center-title p {
        margin-top: 8px;
        max-width: 620px;
        color: var(--text-2);
        font-size: 13.5px;
        line-height: 1.7;
      }
      .resource-center-actions {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
        justify-content: flex-end;
      }
      .resource-center-summary {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
      }
      .resource-list-scroll {
        min-height: 0;
        overflow-y: auto;
        display: flex;
        flex-direction: column;
        gap: 10px;
        padding-right: 4px;
      }
      .resource-detail {
        flex: 1;
        min-height: 0;
        overflow-y: auto;
        padding: 28px;
        display: flex;
        flex-direction: column;
        gap: 18px;
      }
      .resource-detail-card {
        border: 1px solid var(--border);
        border-radius: 24px;
        background: var(--surface-gradient), var(--bg-card);
        box-shadow: var(--shadow-sm);
      }
      .resource-detail-hero {
        padding: 28px;
        display: flex;
        justify-content: space-between;
        gap: 20px;
      }
      .resource-detail-kicker {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 8px 12px;
        border-radius: 999px;
        background: var(--accent-dim);
        color: var(--accent);
        font-size: 11px;
        font-weight: 700;
        letter-spacing: 0.14em;
        text-transform: uppercase;
      }
      .resource-detail-title {
        font-family: var(--font-display);
        font-size: 32px;
        line-height: 1.15;
        letter-spacing: -0.05em;
        margin-top: 16px;
      }
      .resource-detail-meta {
        margin-top: 12px;
        color: var(--text-2);
        font-size: 13px;
        line-height: 1.7;
        max-width: 720px;
      }
      .resource-detail-actions {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
        align-items: flex-start;
      }
      .resource-detail-body {
        padding: 0 28px 28px;
      }
      .resource-document-surface {
        border: 1px solid var(--border);
        border-radius: 24px;
        background:
          linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent),
          var(--bg-elevated);
        padding: 28px 30px;
        min-height: 56vh;
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
      }
      .resource-document-surface h3 {
        font-family: var(--font-display);
        font-size: 20px;
        letter-spacing: -0.04em;
        margin-bottom: 14px;
      }
      .resource-document-text {
        white-space: pre-wrap;
        color: var(--text);
        font-size: 15px;
        line-height: 1.9;
      }
      .resource-link-preview {
        display: flex;
        flex-direction: column;
        gap: 14px;
      }
      .resource-link-preview a {
        color: var(--accent);
        word-break: break-word;
        text-decoration: none;
      }
      .resource-link-preview a:hover {
        text-decoration: underline;
      }
      .resource-empty-state {
        flex: 1;
        min-height: 52vh;
        border: 1px dashed var(--border-med);
        border-radius: 28px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 14px;
        color: var(--text-2);
        text-align: center;
        padding: 32px;
      }
      .resource-empty-state strong {
        font-family: var(--font-display);
        font-size: 22px;
        color: var(--text);
      }
      .focus-mode-active .resource-center {
        grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
        min-height: 100vh;
      }
      .focus-mode-active .resource-center-main {
        background:
          linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent),
          var(--bg-elevated);
        min-height: 100vh;
      }
      .focus-mode-active .resource-center-sidebar {
        border-right-color: var(--border-med);
        background:
          linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent),
          var(--bg-panel);
      }
      [data-theme="light"] .focus-mode-active .resource-center-main {
        background:
          linear-gradient(180deg, rgba(63, 121, 216, 0.05), transparent 22%),
          linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(244, 247, 251, 0.98)),
          var(--bg-panel);
      }
      [data-theme="light"] .focus-mode-active .resource-center-sidebar {
        background:
          linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(247, 249, 253, 0.98)),
          var(--bg-panel);
        box-shadow: inset -1px 0 0 rgba(13, 29, 49, 0.05);
      }
      .focus-mode-active .resource-center-header {
        padding: 30px 34px 20px;
      }
      .focus-mode-active .resource-detail {
        padding: 34px;
      }
      .resource-overlay-header {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        gap: 12px;
      }
      .resource-overlay-copy p {
        margin-top: 6px;
        color: var(--text-2);
        font-size: 13px;
        line-height: 1.6;
      }
      .resource-overlay-strip {
        display: flex;
        gap: 10px;
        overflow-x: auto;
        padding-bottom: 4px;
      }
      .resource-note-input {
        min-height: 68vh;
        resize: vertical;
        line-height: 1.7;
        padding: 24px 28px;
        border-radius: 18px;
        font-size: 15px;
        background:
          linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent),
          var(--bg-card);
        box-shadow: inset 0 0 0 1px var(--border);
      }
      .resource-note-input.doc-style {
        min-height: calc(100vh - 340px);
        background: var(--bg-card);
        font-size: 16px;
        line-height: 1.95;
        padding: 42px 56px;
        border-radius: 24px;
      }
      .header-resource-btn {
        background: var(--bg-card);
        color: var(--text);
        border-color: var(--border-hi);
        font-weight: 600;
      }
      .header-resource-btn:hover {
        background: var(--bg-hover);
      }
      .theme-btn {
        min-width: 96px;
        text-align: center;
      }
      .btn-cancel {
        font-size: 13px;
        font-weight: 500;
        padding: 8px 16px;
        border-radius: var(--r-sm);
        background: none;
        border: 1px solid var(--border-med);
        color: var(--text-2);
        transition: all 0.15s;
      }
      .btn-cancel:hover {
        color: var(--text);
        border-color: var(--border-hi);
      }
      .btn-confirm {
        font-size: 13px;
        font-weight: 600;
        padding: 8px 18px;
        border-radius: var(--r-sm);
        background: var(--accent);
        color: #0e1300;
        border: none;
        transition: all 0.15s;
      }
      .btn-confirm:hover {
        background: var(--accent-dark);
      }

      /* ──────────────────────────────────────────────────────────────
   TOAST
────────────────────────────────────────────────────────────── */
      #toast-rack {
        position: fixed;
        bottom: 22px;
        right: 22px;
        display: flex;
        flex-direction: column;
        gap: 7px;
        z-index: 600;
      }
      .toast {
        display: flex;
        align-items: center;
        gap: 9px;
        background: var(--surface-glass);
        backdrop-filter: blur(14px);
        border: 1px solid var(--border-med);
        border-radius: 10px;
        padding: 11px 16px;
        font-size: 13px;
        font-weight: 500;
        box-shadow: var(--shadow-md);
        animation: toastSlide 0.22s ease-out;
        max-width: 280px;
      }
      @keyframes toastSlide {
        from {
          opacity: 0;
          transform: translateX(16px);
        }
        to {
          opacity: 1;
          transform: none;
        }
      }

      /* ──────────────────────────────────────────────────────────────
   AUTH GATE
────────────────────────────────────────────────────────────── */
      #auth-gate {
        position: fixed;
        inset: 0;
        background: var(--bg);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 22px;
        z-index: 9999;
        background:
          radial-gradient(
            ellipse at 30% 40%,
            rgba(139, 124, 248, 0.07) 0%,
            transparent 60%
          ),
          radial-gradient(
            ellipse at 70% 60%,
            rgba(184, 240, 74, 0.04) 0%,
            transparent 55%
          ),
          var(--bg);
      }
      #auth-gate.hidden {
        display: none;
      }
      .auth-logo {
        font-family: var(--font-display);
        font-size: 38px;
        font-weight: 800;
        color: var(--accent);
        letter-spacing: -1px;
        display: flex;
        align-items: center;
        gap: 12px;
        user-select: none;
      }
      .auth-tagline {
        font-size: 14px;
        color: var(--text-2);
        max-width: 320px;
        text-align: center;
        line-height: 1.65;
      }
      .auth-card {
        background: var(--bg-elevated);
        border: 1px solid var(--border-med);
        border-radius: 18px;
        padding: 30px 34px;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 16px;
        box-shadow: var(--shadow-lg);
        min-width: 340px;
        max-width: 92vw;
      }
      .auth-card-title {
        font-family: var(--font-display);
        font-size: 18px;
        font-weight: 700;
        color: var(--text);
      }
      .auth-card-desc {
        font-size: 12.5px;
        color: var(--text-2);
        text-align: center;
        line-height: 1.6;
      }
      .auth-divider {
        display: flex;
        align-items: center;
        gap: 12px;
        width: 100%;
      }
      .auth-divider::before,
      .auth-divider::after {
        content: "";
        flex: 1;
        height: 1px;
        background: var(--border-med);
      }
      .auth-divider span {
        font-size: 11px;
        color: var(--text-3);
        font-weight: 500;
        text-transform: uppercase;
        letter-spacing: 0.5px;
      }
      #btn-google-login {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 12px 20px;
        background: var(--bg-card);
        border: 1.5px solid var(--border-med);
        border-radius: var(--r-sm);
        color: var(--text);
        font-size: 14px;
        font-weight: 600;
        font-family: var(--font-body);
        cursor: pointer;
        transition: all 0.18s;
        width: 100%;
        justify-content: center;
      }
      #btn-google-login:hover {
        background: var(--bg-hover);
        border-color: var(--border-hi);
        box-shadow: 0 0 0 3px var(--accent-glow);
      }
      #btn-google-login:disabled {
        opacity: 0.5;
        cursor: not-allowed;
      }
      #btn-guest-login {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 11px 20px;
        background: none;
        border: 1.5px solid var(--border-med);
        border-radius: var(--r-sm);
        color: var(--text-2);
        font-size: 14px;
        font-weight: 500;
        font-family: var(--font-body);
        cursor: pointer;
        transition: all 0.18s;
        width: 100%;
        justify-content: center;
      }
      #btn-guest-login:hover {
        background: var(--bg-hover);
        color: var(--text);
        border-color: var(--border-hi);
      }
      .auth-spinner {
        width: 20px;
        height: 20px;
        border: 2px solid var(--border-med);
        border-top-color: var(--accent);
        border-radius: 50%;
        animation: spin 0.7s linear infinite;
        display: none;
      }
      #auth-gate.loading .auth-spinner {
        display: block;
      }
      #auth-gate.loading #btn-google-login,
      #auth-gate.loading #btn-guest-login {
        opacity: 0.45;
        pointer-events: none;
      }
      @keyframes spin {
        to {
          transform: rotate(360deg);
        }
      }
      .auth-note {
        font-size: 11px;
        color: var(--text-3);
        text-align: center;
        line-height: 1.55;
        max-width: 280px;
      }
      .auth-guest-notice {
        font-size: 11px;
        color: var(--yellow);
        background: var(--yellow-dim);
        border: 1px solid rgba(245, 200, 66, 0.2);
        border-radius: 6px;
        padding: 7px 12px;
        text-align: center;
        line-height: 1.5;
        width: 100%;
      }
      @media (max-width: 980px) {
        #sidebar {
          width: 88px;
          min-width: 88px;
        }
        .logo,
        .sidebar-label,
        .subject-name,
        .exam-badge,
        #add-subj-btn,
        .sidebar-username,
        .sidebar-guest-badge {
          display: none;
        }
        .subject-item {
          justify-content: center;
          padding: 10px 8px;
        }
        .subject-del {
          position: absolute;
          top: 3px;
          right: 3px;
        }
        #dashboard {
          padding: 20px;
        }
        .dash-header {
          padding: 22px;
        }
        #topbar {
          padding: 0 18px;
          gap: 10px;
        }
        .resource-center {
          grid-template-columns: 280px minmax(0, 1fr);
        }
        .resource-detail-title {
          font-size: 26px;
        }
      }
      @media (max-width: 640px) {
        #topbar {
          padding: 12px 14px;
          height: auto;
          flex-wrap: wrap;
          gap: 10px;
        }
        #page-title {
          width: 100%;
          font-size: 17px;
        }
        #dashboard {
          padding: 14px;
        }
        .dash-header {
          padding: 18px;
          border-radius: 22px;
        }
        .pomodoro-popover {
          position: fixed;
          left: 14px;
          right: 14px;
          top: auto;
          width: auto;
        }
        .pomodoro-time {
          font-size: 34px;
        }
        .dash-header h1 {
          font-size: 26px;
        }
        .subjects-grid {
          grid-template-columns: 1fr;
        }
        .resource-center {
          grid-template-columns: 1fr;
          height: auto;
        }
        .resource-center-sidebar {
          border-right: none;
          border-bottom: 1px solid var(--border);
          padding: 18px;
        }
        .resource-center-header {
          padding: 20px 18px 18px;
          flex-direction: column;
          align-items: stretch;
        }
        .resource-detail {
          padding: 18px;
        }
        .resource-detail-hero {
          padding: 20px;
          flex-direction: column;
        }
        .resource-detail-body {
          padding: 0 20px 20px;
        }
        .resource-detail-title {
          font-size: 24px;
        }
        .resource-document-surface {
          padding: 22px 18px;
          min-height: auto;
        }
        .stats-bar {
          grid-template-columns: 1fr 1fr;
        }
        #sidebar {
          display: none;
        }
        .modal.modal-immersive {
          width: 100vw;
          height: 100vh;
          max-height: 100vh;
          border-radius: 0;
        }
        .resource-note-input.doc-style {
          min-height: 50vh;
          padding: 24px 20px;
        }
        .auth-card {
          min-width: 0;
          width: calc(100vw - 28px);
          padding: 24px 20px;
        }
      }