/* ── Exercise Cards, flyer energy ─────────────────────────── */

        .exercise-card {
            position: relative;
            border: var(--border-sketch);
            padding: 20px 18px 16px;
            background: var(--paper);
            box-shadow: var(--shadow-paper);
            cursor: pointer;
            transition: transform 0.15s, box-shadow 0.15s;
        }

        .exercise-card:hover {
            transform: translate(-2px, -2px);
            box-shadow: var(--shadow-lift);
            z-index: 10;
        }

        /* Subtle top-left corner fold */
        .exercise-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            border-style: solid;
            border-width: 14px 14px 0 0;
            border-color: var(--paper-alt) transparent transparent transparent;
        }

        .exercise-card-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: 8px;
            margin-bottom: 6px;
        }

        .exercise-card-title {
            font-family: var(--font-body); font-weight: 700;
            font-size: 1.15rem;
            line-height: 1.25;
            flex: 1;
        }

        .exercise-card-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 5px;
            margin-bottom: 10px;
        }

        .badge-cat {
            font-family: var(--font-hand);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 1px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        /* Category colors */
        .cat-warm_up    { background:#fce4ec; color:#c62828; }
        .cat-short_form { background:#fff3e0; color:#e65100; }
        .cat-long_form  { background:#fff9c4; color:#f57f17; }
        .cat-scene_work { background:#e8f5e9; color:#2e7d32; }
        .cat-cool_down  { background:#e3f2fd; color:#1565c0; }
        .cat-trust      { background:#fce4ec; color:#ad1457; }
        .cat-energy     { background:#fff3e0; color:#bf360c; }
        .cat-focus      { background:#ede7f6; color:#4527a0; }
        .cat-physical   { background:#e8f5e9; color:#1b5e20; }
        .cat-character  { background:#e3f2fd; color:#0d47a1; }
        .cat-listening  { background:#f3e5f5; color:#6a1b9a; }

        .badge-diff {
            font-family: var(--font-hand);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 1px;
        }

        .diff-beginner    { background:#e8f5e9; color:#2e7d32; }
        .diff-intermediate { background:#fff3e0; color:#e65100; }
        .diff-advanced    { background:#fce4ec; color:#c62828; }
        .diff-all_levels  { background:var(--paper-alt); color:var(--ink-faint); }

        .badge-ai {
            background: var(--accent-gold-light);
            color: var(--accent-gold);
            font-family: var(--font-hand);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 1px;
        }

        .exercise-card-meta {
            font-family: var(--font-hand);
            font-size: 0.95rem;
            color: var(--ink-faint);
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 10px;
        }

        .exercise-card-meta span::before { margin-right: 3px; }

        .exercise-card-desc {
            font-size: 0.88rem;
            color: var(--ink-light);
            line-height: 1.5;
            margin-bottom: 12px;
        }

        .exercise-card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

        .exercise-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 5px;
        }

        .fav-btn {
            background: none;
            border: 1px solid var(--ink-faint);
            border-radius: 1px;
            padding: 3px 10px;
            font-family: var(--font-hand);
            font-size: 0.9rem;
            cursor: pointer;
            color: var(--ink-faint);
            display: flex;
            align-items: center;
            gap: 5px;
            transition: all 0.15s;
            flex-shrink: 0;
        }

        .fav-btn:hover,
        .fav-btn.active {
            background: var(--accent-gold-light);
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        .fav-btn .heart { font-size: 1rem; }

        /* ── Hero area ─────────────────────────────────────────────── */

        .ex-hero {
            padding: 32px 0 20px;
            border-bottom: var(--border-light);
            margin-bottom: 24px;
        }

        .ex-hero-inner {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
            gap: 16px;
        }

        .ex-hero h1 { margin-bottom: 4px; }

        .ex-hero-sub {
            font-family: var(--font-hand);
            font-size: 1.2rem;
            color: var(--ink-light);
        }

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

        /* ── AI Generate form panel ────────────────────────────────── */

        .gen-panel {
            background: var(--paper-warm);
            border: var(--border-sketch);
            padding: 24px;
            margin-bottom: 28px;
        }

        .gen-panel h3 {
            margin-bottom: 16px;
        }

        .gen-panel .form-row {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 16px;
        }

        /* ── AI Result preview ─────────────────────────────────────── */

        .ai-result-card {
            background: var(--paper-warm);
            border: 2px solid var(--accent-gold);
            padding: 24px;
            margin-top: 20px;
        }

        .ai-result-card h3 {
            font-size: 1.5rem;
            margin-bottom: 12px;
        }

        .ai-result-section {
            margin-bottom: 14px;
        }

        .ai-result-section h4 {
            font-family: var(--font-hand);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--ink-light);
        }

        .ai-result-section p {
            font-size: 0.92rem;
            line-height: 1.55;
            color: var(--ink);
        }

        /* ── Create form ───────────────────────────────────────────── */

        .create-panel {
            background: var(--paper-warm);
            border: var(--border-sketch);
            padding: 24px;
            margin-bottom: 28px;
        }

        .create-panel h3 { margin-bottom: 16px; }

        .create-panel .form-row {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
            gap: 16px;
        }

        /* ── Modal expand ──────────────────────────────────────────── */

        .ex-modal .modal {
            max-width: 640px;
        }

        .ex-modal-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 14px;
        }

        .ex-modal-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            font-family: var(--font-hand);
            font-size: 1rem;
            color: var(--ink-faint);
            margin-bottom: 18px;
            padding-bottom: 14px;
            border-bottom: var(--border-light);
        }

        .ex-modal-section {
            margin-bottom: 18px;
        }

        .ex-modal-section h4 {
            font-family: var(--font-hand);
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--ink-light);
        }

        .ex-modal-section p {
            font-size: 0.93rem;
            line-height: 1.6;
            white-space: pre-wrap;
        }

        .ex-modal-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 16px;
            padding-top: 14px;
            border-top: var(--border-light);
        }

        .ex-modal-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
            padding-top: 14px;
            border-top: var(--border-light);
        }

        .ex-modal-creator {
            font-family: var(--font-hand);
            font-size: 0.95rem;
            color: var(--ink-faint);
        }

        /* ── Pagination ────────────────────────────────────────────── */

        .pagination {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .page-btn {
            font-family: var(--font-hand);
            font-size: 1rem;
            font-weight: 600;
            padding: 6px 14px;
            border: 1px solid var(--ink-faint);
            background: transparent;
            color: var(--ink-light);
            cursor: pointer;
            transition: all 0.15s;
            border-radius: 1px;
        }

        .page-btn:hover,
        .page-btn.active {
            background: var(--ink);
            color: var(--paper);
            border-color: var(--ink);
        }

        .page-btn:disabled {
            opacity: 0.3;
            cursor: default;
        }

        /* ── Checkbox group ────────────────────────────────────────── */

        .checkbox-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .checkbox-group label {
            display: flex;
            align-items: center;
            gap: 5px;
            font-family: var(--font-hand);
            font-size: 1rem;
            font-weight: 400;
            cursor: pointer;
        }

        .checkbox-group input[type="checkbox"] {
            width: auto;
        }

        /* ── Result count ──────────────────────────────────────────── */
        .result-count {
            font-family: var(--font-hand);
            font-size: 1rem;
            color: var(--ink-faint);
            margin-bottom: -8px;
            padding-top: 4px;
        }

        @media (max-width: 600px) {
            .ex-hero-inner { flex-direction: column; align-items: flex-start; }
            .gen-panel .form-row,
            .create-panel .form-row { grid-template-columns: 1fr; }
        }