:root {
            --primary: #3b82f6;
            --primary-hover: #2563eb;
            --primary-light: rgba(59,130,246,0.15);
            --primary-contrast: #ffffff;
            --accent: #32BEEF;
            --danger: #f87171;
            --danger-bg: rgba(248,113,113,0.1);
            --success: #34d399;
            --success-bg: rgba(52,211,153,0.1);
            --warning: #fbbf24;
            --warning-bg: rgba(251,191,36,0.1);
            --text: #ffffff;
            --text-muted: rgba(255,255,255,0.5);
            --bg: #0c0b0e;
            --bg-alt: #000000;
            --border: rgba(255,255,255,0.15);
            --border-light: rgba(255,255,255,0.08);
            --sidebar-bg: #000000;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Montserrat', 'Lato', Arial, Helvetica, sans-serif; background: var(--bg-alt); color: var(--text); font-size: 0.875rem; }

        /* ── Header ── */
        .header {
            background: linear-gradient(135deg, #000000 0%, #0c0b0e 100%);
            color: #fff; padding: 0; display: flex; align-items: stretch;
            box-shadow: 0 2px 16px rgba(0,0,0,0.4); position: relative; z-index: 10;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .header-brand {
            display: flex; align-items: center; gap: 0.75rem;
            padding: 0.875rem 1.5rem;
            background: rgba(255,255,255,0.03);
        }
        .header-brand svg { width: 28px; height: 28px; }
        .header-brand h1 { font-size: 1rem; font-weight: 700; letter-spacing: 0.02em; }
        .header-brand .version { font-size: 0.7rem; opacity: 0.5; margin-left: 0.25rem; }
        .header-nav {
            display: flex; align-items: stretch; gap: 0; margin-left: auto;
        }
        .header-nav a {
            display: flex; align-items: center; padding: 0 1.25rem;
            color: rgba(255,255,255,0.65); text-decoration: none;
            font-weight: 500; font-size: 0.8rem; letter-spacing: 0.01em;
            border-bottom: 3px solid transparent; transition: all 0.15s ease;
            cursor: pointer;
        }
        .header-nav a:hover { color: #fff; background: rgba(255,255,255,0.05); }
        .header-nav a.active {
            color: #fff; border-bottom-color: var(--accent);
            background: rgba(255,255,255,0.08);
        }

        /* ── Layout ── */
        .container { max-width: 1400px; margin: 0 auto; padding: 1.5rem; }

        /* ── Cards ── */
        .card {
            background: var(--bg); border: 1px solid var(--border-light);
            border-radius: 16px;
            padding: 1.5rem; margin-bottom: 1rem;
            transition: border-color 0.2s ease, box-shadow 0.25s ease;
        }
        .card:hover {
            border-color: var(--border);
            box-shadow: 0 8px 32px rgba(0,0,0,0.25);
        }
        .card-header {
            display: flex; justify-content: space-between; align-items: center;
            margin-bottom: 1.25rem; padding-bottom: 0.75rem;
            border-bottom: 1px solid var(--border-light);
        }
        .card-header h2 { font-size: 1rem; font-weight: 700; color: var(--text); }

        /* ── Forms ── */
        .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
        .form-group { display: flex; flex-direction: column; gap: 0.25rem; }
        .form-group.full { grid-column: 1 / -1; }
        .form-group label { font-size: 0.8rem; font-weight: 600; color: var(--text); }
        .form-group input, .form-group select {
            padding: 0.5rem 0.75rem; border: 1px solid var(--border);
            border-radius: 10px;
            font-size: 0.875rem; font-family: inherit;
            background: rgba(255,255,255,0.04); color: var(--text);
        }
        .form-group input:focus, .form-group select:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(50,190,239,0.15);
        }
        .form-group input:disabled { background: #1a1a1e; color: var(--text-muted); }

        select {
            padding: 0 0.75rem; border: 1px solid var(--border);
            border-radius: 10px;
            font-size: 0.8rem; font-family: inherit;
            background: rgba(255,255,255,0.04); color: var(--text);
            cursor: pointer; height: 36px; box-sizing: border-box;
        }
        select option { background: #0c0b0e; color: #fff; }
        select:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(50,190,239,0.15);
        }

        /* ── Buttons ── */
        .btn {
            padding: 0 1.25rem; border: 1px solid transparent;
            border-radius: 10px;
            font-size: 0.8rem; font-weight: 700; font-family: inherit;
            cursor: pointer; display: inline-flex; align-items: center; gap: 0.375rem;
            transition: all 0.15s ease; height: 36px; box-sizing: border-box;
        }
        .btn-primary { background: var(--primary); color: var(--primary-contrast); border-color: var(--primary); }
        .btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
        .btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
        .btn-danger:hover { background: #ef4444; border-color: #ef4444; }
        .btn-outline { background: rgba(255,255,255,0.04); color: var(--text); border-color: var(--border); }
        .btn-outline:hover { background: rgba(255,255,255,0.08); }
        .btn-sm { padding: 0.25rem 0.75rem; font-size: 0.75rem; min-height: 28px; border-radius: 8px; }
        .btn:disabled { opacity: 0.35; cursor: not-allowed; }
        .btn:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(50,190,239,0.2); }

        .actions { display: flex; gap: 0.5rem; margin-top: 1rem; }

        /* ── Tables ── */
        table { width: 100%; border-collapse: collapse; font-size: 0.8rem; }
        th {
            text-align: left; padding: 0.625rem 0.75rem;
            background: rgba(255,255,255,0.03); border-bottom: 1px solid var(--border-light);
            font-weight: 700; color: var(--text-muted); text-transform: uppercase;
            font-size: 0.7rem; letter-spacing: 0.04em;
        }
        td { padding: 0.625rem 0.75rem; border-bottom: 1px solid var(--border-light); vertical-align: middle; }
        td .btn + .btn { margin-left: 0.375rem; }
        tr:hover td { background: rgba(255,255,255,0.03); }

        /* ── Badges ── */
        .badge {
            display: inline-block; padding: 0.15rem 0.5rem;
            border-radius: 8px;
            font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
            letter-spacing: 0.03em; border: 1px solid;
        }
        .badge-success { background: var(--success-bg); color: var(--success); border-color: var(--success); }
        .badge-danger { background: var(--danger-bg); color: var(--danger); border-color: var(--danger); }
        .badge-warning { background: var(--warning-bg); color: var(--warning); border-color: var(--warning); }
        .badge-gray { background: var(--bg-alt); color: var(--text-muted); border-color: var(--border-light); }
        .badge-primary { background: var(--primary-light); color: var(--primary); border-color: var(--primary); }

        /* ── Stats ── */
        .stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
        .stat {
            background: var(--bg); border: 1px solid var(--border-light);
            border-radius: 16px;
            padding: 1rem; border-left: 4px solid var(--primary);
        }
        .stat .label { font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; font-weight: 600; letter-spacing: 0.04em; }
        .stat .value { font-size: 1.75rem; font-weight: 700; margin-top: 0.25rem; color: var(--text); }

        /* ── Toggle ── */
        .toggle { position: relative; display: inline-block; width: 42px; height: 24px; }
        .toggle input { opacity: 0; width: 0; height: 0; }
        .toggle .slider {
            position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0;
            background: rgba(255,255,255,0.1); border-radius: 24px; transition: 0.2s;
            border: 1px solid var(--border);
        }
        .toggle .slider:before {
            content: ""; position: absolute; height: 16px; width: 16px;
            left: 2px; bottom: 2px; background: #fff; border-radius: 50%; transition: 0.2s;
        }
        .toggle input:checked + .slider { background: var(--primary); border-color: var(--primary); }
        .toggle input:checked + .slider:before { transform: translateX(18px); }

        /* ── Utility ── */
        .empty-state { text-align: center; padding: 3rem; color: var(--text-muted); }
        .empty-state p { margin-top: 0.5rem; }

        .hidden { display: none !important; }
        .mono { font-family: source-code-pro, Menlo, Monaco, Consolas, monospace; font-size: 0.75rem; }
        .text-sm { font-size: 0.75rem; color: var(--text-muted); }
        .text-danger { color: var(--danger); }
        .mt-1 { margin-top: 1rem; }

        /* ── Dialog ── */
        .dialog-overlay {
            position: fixed; inset: 0; background: rgba(0,0,0,0.7);
            backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
            display: flex; align-items: center; justify-content: center; z-index: 100;
        }
        .dialog {
            background: var(--bg); border: 1px solid var(--border);
            border-radius: 20px;
            padding: 1.5rem; width: 90%; max-width: 600px; max-height: 80vh;
            overflow-y: auto; box-shadow: 0 24px 64px rgba(0,0,0,0.5);
        }
        .dialog h3 {
            margin-bottom: 1rem; font-size: 1rem; font-weight: 700;
            padding-bottom: 0.75rem; border-bottom: 1px solid var(--border-light);
        }
        .dialog .section-title {
            margin-top: 1.5rem; margin-bottom: 0.75rem; font-size: 0.85rem;
            font-weight: 700; color: var(--text-muted);
            text-transform: uppercase; letter-spacing: 0.04em;
        }

        /* ── Detail Dialog ── */
        .detail-grid { display: grid; grid-template-columns: 140px 1fr; gap: 0.25rem 1rem; font-size: 0.85rem; }
        .detail-grid dt { color: var(--text-muted); font-weight: 600; white-space: nowrap; padding: 0.2rem 0; }
        .detail-grid dd { margin: 0; padding: 0.2rem 0; word-break: break-all; }
        .detail-grid dd.mono { font-family: monospace; font-size: 0.8rem; color: var(--text-muted); }
        .detail-payload { background: rgba(255,255,255,0.03); padding: 0.75rem; border-radius: 12px; font-family: monospace; font-size: 0.78rem; white-space: pre-wrap; word-break: break-all; max-height: 200px; overflow-y: auto; border: 1px solid var(--border-light); }
        .related-table { width: 100%; font-size: 0.8rem; }
        .related-table td, .related-table th { padding: 0.25rem 0.5rem; }

        /* ── Health Banner ── */
        .health-banner {
            padding: 0.625rem 1.5rem; font-size: 0.8rem; font-weight: 600;
            border-radius: 12px; margin: 0.5rem 1.5rem;
            display: flex; align-items: center; gap: 0.5rem;
        }
        .health-banner.error { background: rgba(248,113,113,0.1); color: var(--danger); border: 1px solid rgba(248,113,113,0.2); }
        .health-banner.warning { background: rgba(251,191,36,0.1); color: var(--warning); border: 1px solid rgba(251,191,36,0.2); }
        .health-banner .error-detail { font-weight: 400; font-size: 0.75rem; opacity: 0.85; }

        /* ── Responsive ── */
        @media (max-width: 768px) {
            .form-grid { grid-template-columns: 1fr; }
            .container { padding: 1rem; }
            .header-nav a { padding: 0 0.75rem; font-size: 0.75rem; }
        }

        /* ══════════════════════════════════════════════════════
           DnD Dark Bento Theme (GlassFlow-inspired)
           ══════════════════════════════════════════════════════ */

        .dnd-root {
            --dnd-bg: #000000;
            --dnd-card: #0c0b0e;
            --dnd-card-hover: #141318;
            --dnd-border: rgba(255,255,255,0.08);
            --dnd-border-hover: rgba(255,255,255,0.15);
            --dnd-accent-glow: rgba(50,190,239,0.15);
            --dnd-radius: 16px;
            --dnd-radius-lg: 24px;

            /* Text, accent, success, danger reuse global :root vars */
            background: transparent;
            color: var(--text);
        }

        /* ── View Toggle ── */
        .dnd-view-toggle {
            display: inline-flex;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 10px;
            padding: 3px;
            gap: 2px;
        }
        .dnd-toggle-btn {
            padding: 0.375rem 0.875rem;
            font-size: 0.75rem;
            font-weight: 600;
            font-family: inherit;
            border: none;
            background: transparent;
            cursor: pointer;
            color: var(--text-muted);
            border-radius: 8px;
            transition: all 0.2s ease;
            display: flex;
            align-items: center;
            gap: 0.375rem;
        }
        .dnd-toggle-btn:hover { color: var(--text); }
        .dnd-toggle-btn.active {
            background: rgba(255,255,255,0.1);
            color: var(--text);
            box-shadow: 0 1px 3px rgba(0,0,0,0.3);
        }
        .dnd-toggle-btn svg { width: 14px; height: 14px; }

        /* ── Hero ── */
        .dnd-hero {
            position: relative;
            background: linear-gradient(135deg, #0c0b0e 0%, #131320 40%, #0f1f3a 70%, #0c1a2e 100%);
            border-radius: var(--dnd-radius-lg);
            padding: 2.75rem 2.25rem;
            margin-bottom: 1.25rem;
            overflow: hidden;
            border: 1px solid var(--dnd-border);
        }
        .dnd-hero-spotlight {
            position: absolute; inset: 0;
            pointer-events: none; opacity: 0;
            transition: opacity 0.4s ease;
        }
        .dnd-hero:hover .dnd-hero-spotlight { opacity: 1; }
        .dnd-hero-content { position: relative; z-index: 1; }
        .dnd-hero-content h3 {
            font-size: 1.5rem; font-weight: 700;
            letter-spacing: -0.03em; margin-bottom: 0.375rem;
        }
        .dnd-hero-content p {
            font-size: 0.85rem; color: var(--text-muted);
            max-width: 480px; line-height: 1.6;
        }

        /* ── Compact Toolbar ── */
        .dnd-toolbar {
            display: flex; align-items: center; gap: 0.75rem;
            flex-wrap: wrap;
            padding: 0.625rem 1rem;
            background: var(--dnd-card);
            border: 1px solid var(--dnd-border);
            border-radius: 14px;
            margin-bottom: 0.875rem;
        }
        .dnd-toolbar .dnd-user-pills { gap: 0.375rem; margin-bottom: 0; }
        .dnd-toolbar-stats {
            margin-left: auto;
            font-size: 0.72rem; color: var(--text-muted);
            font-weight: 600; white-space: nowrap;
            display: flex; align-items: center; gap: 0.25rem;
        }
        .dnd-toolbar-stat { font-weight: 700; color: var(--text); font-size: 0.85rem; }
        .dnd-toolbar-divider { opacity: 0.3; margin: 0 0.125rem; }

        /* ── Bento Grid ── */
        .dnd-bento-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            grid-template-areas:
                "resources   calendars"
                "mappings    mappings";
            gap: 0.875rem;
        }

        /* ── Bento Card Base ── */
        .dnd-card {
            background: var(--dnd-card);
            border: 1px solid var(--dnd-border);
            border-radius: var(--dnd-radius);
            padding: 1.25rem;
            transition: border-color 0.2s ease, box-shadow 0.25s ease;
        }
        .dnd-card.dnd-resources,
        .dnd-card.dnd-calendars {
            display: flex; flex-direction: column;
        }
        .dnd-card:hover {
            border-color: var(--dnd-border-hover);
            box-shadow: 0 8px 32px rgba(0,0,0,0.25);
        }
        .dnd-card-header {
            display: flex; justify-content: space-between; align-items: center;
            margin-bottom: 1rem;
        }
        .dnd-card-header h4 {
            font-size: 0.85rem; font-weight: 700;
            letter-spacing: -0.01em; color: var(--text);
        }
        .dnd-card-count {
            background: rgba(255,255,255,0.06);
            color: var(--text-muted);
            font-size: 0.65rem; font-weight: 700;
            padding: 0.2rem 0.6rem; border-radius: 10px;
        }

        /* ── Stat Cards (legacy, now inline in toolbar) ── */

        /* ── User Selector Card ── */
        .dnd-user-sel { grid-area: user-sel; }
        .dnd-user-pills {
            display: flex; flex-wrap: wrap; gap: 0.5rem;
            margin-bottom: 0.75rem;
        }
        .dnd-user-pill {
            display: inline-flex; align-items: center; gap: 0.375rem;
            padding: 0.35rem 0.8rem; border-radius: 20px;
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--dnd-border);
            font-size: 0.78rem; font-weight: 500;
            cursor: pointer; transition: all 0.2s ease;
            font-family: inherit; color: var(--text-muted);
        }
        .dnd-user-pill:hover {
            border-color: var(--dnd-border-hover);
            background: rgba(255,255,255,0.07);
            color: var(--text);
        }
        .dnd-user-pill.active {
            background: var(--accent);
            color: #000; border-color: var(--accent);
            font-weight: 600;
        }
        .dnd-user-pill-avatar {
            width: 22px; height: 22px; border-radius: 50%;
            background: rgba(255,255,255,0.1);
            display: flex; align-items: center; justify-content: center;
            font-size: 0.6rem; font-weight: 700;
        }
        .dnd-user-pill.active .dnd-user-pill-avatar {
            background: rgba(0,0,0,0.2); color: #000;
        }
        /* ── Add User Combo Input ── */
        .dnd-user-add-combo {
            display: flex; align-items: center;
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--dnd-border);
            border-radius: 10px;
            padding: 0 0.125rem 0 0.625rem;
            gap: 0.375rem;
            transition: border-color 0.2s, box-shadow 0.2s;
        }
        .dnd-user-add-combo:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 2px rgba(50,190,239,0.12);
        }
        .dnd-add-combo-icon {
            flex-shrink: 0; color: var(--text-muted); opacity: 0.5;
        }
        .dnd-user-add-combo input {
            border: none; background: transparent;
            padding: 0.4rem 0; font-size: 0.75rem;
            font-family: inherit; color: var(--text);
            width: 190px; outline: none;
        }
        .dnd-user-add-combo input::placeholder { color: var(--text-muted); opacity: 0.6; }
        .dnd-add-combo-btn {
            flex-shrink: 0;
            width: 28px; height: 28px;
            display: flex; align-items: center; justify-content: center;
            border-radius: 8px; border: none;
            background: rgba(255,255,255,0.06);
            color: var(--text-muted); cursor: pointer;
            transition: all 0.15s;
        }
        .dnd-add-combo-btn:hover {
            background: var(--accent); color: #000;
        }

        /* ── Resources Card ── */
        .dnd-resources { grid-area: resources; }
        .dnd-search-wrap { margin-bottom: 0.75rem; }
        .dnd-search-wrap input {
            width: 100%; padding: 0.5rem 0.75rem;
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--dnd-border);
            border-radius: 10px; font-size: 0.78rem;
            font-family: inherit; color: var(--text);
            transition: border-color 0.2s;
        }
        .dnd-search-wrap input::placeholder { color: var(--text-muted); }
        .dnd-search-wrap input:focus {
            outline: none; border-color: var(--accent);
        }
        .dnd-resource-list, .dnd-calendar-list {
            overflow-y: auto;
            display: flex; flex-direction: column; gap: 0.375rem;
            scrollbar-width: thin;
            scrollbar-color: rgba(255,255,255,0.1) transparent;
        }
        .dnd-resource-list,
        .dnd-calendar-list { flex: 1; min-height: 0; }
        .dnd-resource-group-label {
            font-size: 0.6rem; font-weight: 700;
            color: var(--text-muted); text-transform: uppercase;
            letter-spacing: 0.06em; padding: 0.625rem 0 0.25rem;
        }
        .dnd-resource-card {
            padding: 0.625rem 0.875rem;
            background: var(--dnd-card-hover);
            border: 1px solid var(--dnd-border);
            border-radius: 12px; cursor: grab;
            transition: all 0.15s ease;
            display: flex; align-items: center; gap: 0.75rem;
            user-select: none;
        }
        .dnd-resource-card:hover {
            border-color: var(--accent);
            box-shadow: 0 0 0 1px var(--dnd-accent-glow);
            transform: translateY(-1px);
        }
        .dnd-resource-card:active { cursor: grabbing; }
        .dnd-resource-card.dnd-dragging { opacity: 0.3; transform: scale(0.95); }
        .dnd-resource-card.dnd-mapped { opacity: 0.35; border-style: dashed; }
        .dnd-resource-icon {
            width: 34px; height: 34px; border-radius: 10px;
            background: rgba(50,190,239,0.1); color: var(--accent);
            display: flex; align-items: center; justify-content: center;
            font-size: 0.7rem; font-weight: 700; flex-shrink: 0;
        }
        .dnd-resource-info { flex: 1; min-width: 0; }
        .dnd-resource-name {
            font-weight: 600; font-size: 0.8rem;
            white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
            color: var(--text);
        }
        .dnd-resource-meta {
            font-size: 0.65rem; color: var(--text-muted); margin-top: 1px;
        }

        /* ── Calendar Drop Zones ── */
        .dnd-calendars { grid-area: calendars; }
        .dnd-calendar-card {
            padding: 1rem;
            background: var(--dnd-card-hover);
            border: 2px dashed rgba(255,255,255,0.1);
            border-radius: 14px;
            transition: all 0.2s ease;
        }
        .dnd-calendar-card.dnd-drag-over {
            border-color: var(--accent);
            background: rgba(50,190,239,0.04);
            box-shadow: 0 0 0 4px var(--dnd-accent-glow);
            transform: scale(1.01);
        }
        .dnd-calendar-card.dnd-has-mappings {
            border-style: solid; border-color: rgba(50,190,239,0.2);
        }
        .dnd-calendar-name { font-weight: 600; font-size: 0.85rem; color: var(--text); }
        .dnd-calendar-owner { font-size: 0.68rem; color: var(--text-muted); margin-top: 2px; }
        .dnd-calendar-mappings {
            margin-top: 0.75rem; display: flex; flex-wrap: wrap; gap: 0.375rem;
        }
        .dnd-mapping-chip {
            display: inline-flex; align-items: center; gap: 0.375rem;
            padding: 0.25rem 0.625rem;
            background: rgba(50,190,239,0.15); color: var(--accent);
            border-radius: 8px; font-size: 0.7rem; font-weight: 600;
            animation: dndChipPopIn 0.25s ease;
        }
        .dnd-mapping-chip-remove {
            cursor: pointer; opacity: 0.5;
            font-size: 0.9rem; line-height: 1; transition: all 0.15s;
        }
        .dnd-mapping-chip-remove:hover { opacity: 1; color: var(--danger); }
        .dnd-drop-hint {
            font-size: 0.68rem; color: var(--accent);
            margin-top: 0.5rem; opacity: 0; transition: opacity 0.2s;
        }
        .dnd-calendar-card.dnd-drag-over .dnd-drop-hint { opacity: 1; }

        /* ── Quick Actions (footer inside resources card) ── */
        .dnd-quick-footer {
            display: flex; gap: 0.5rem;
            margin-top: 0.75rem;
            padding-top: 0.75rem;
            border-top: 1px solid var(--dnd-border);
        }
        .dnd-quick-btn-sm {
            flex: 1; display: flex; align-items: center; justify-content: center; gap: 0.4rem;
            padding: 0.45rem 0.625rem;
            background: rgba(255,255,255,0.03);
            border: 1px solid var(--dnd-border);
            border-radius: 8px; cursor: pointer;
            font-size: 0.7rem; font-weight: 500;
            font-family: inherit; color: var(--text-muted);
            transition: all 0.15s;
        }
        .dnd-quick-btn-sm:hover {
            color: var(--text);
            border-color: var(--dnd-border-hover);
            background: rgba(255,255,255,0.06);
        }
        .dnd-quick-btn-sm svg { opacity: 0.6; }
        .dnd-quick-btn-sm:hover svg { opacity: 1; }

        /* ── Quick Actions (legacy) ── */
        .dnd-quick { grid-area: quick; display: none; }
        .dnd-quick-grid {
            display: flex; gap: 0.625rem;
        }
        .dnd-quick-btn {
            flex: 1; display: flex; align-items: center; gap: 0.625rem;
            padding: 0.75rem 1rem;
            background: var(--dnd-card-hover);
            border: 1px solid var(--dnd-border);
            border-radius: 14px; font-size: 0.78rem; font-weight: 600;
            cursor: pointer; transition: all 0.15s ease;
            font-family: inherit; color: var(--text);
        }
        .dnd-quick-btn:hover {
            border-color: var(--dnd-border-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(0,0,0,0.2);
        }
        .dnd-quick-icon {
            width: 34px; height: 34px; border-radius: 10px;
            display: flex; align-items: center; justify-content: center;
            flex-shrink: 0;
        }

        /* ── Active Mappings ── */
        .dnd-mappings { grid-area: mappings; }
        .dnd-mapping-grid {
            display: flex;
            flex-direction: column;
            gap: 0.375rem;
        }
        .dnd-mapping-row {
            display: flex; align-items: center; gap: 0.5rem;
            padding: 0.5rem 0.75rem;
            background: var(--dnd-card-hover);
            border: 1px solid var(--dnd-border);
            border-radius: 10px; font-size: 0.78rem;
            transition: border-color 0.15s;
        }
        .dnd-mapping-row:hover {
            border-color: var(--dnd-border-hover);
        }
        .dnd-mapping-resource {
            font-weight: 600; color: var(--text);
            white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
            max-width: 35%;
        }
        .dnd-mapping-arrow { color: var(--accent); flex-shrink: 0; display: flex; opacity: 0.6; }
        .dnd-mapping-calendar {
            font-weight: 500; color: var(--text);
            white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
            flex: 1; min-width: 0;
        }
        .dnd-mapping-user {
            font-size: 0.65rem; color: var(--text-muted);
            white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
            max-width: 160px; flex-shrink: 0;
        }
        .dnd-mapping-sync-badge { flex-shrink: 0; }
        .dnd-mapping-delete {
            cursor: pointer; color: var(--text-muted);
            padding: 0.25rem; border-radius: 6px;
            transition: all 0.15s; flex-shrink: 0; display: flex;
        }
        .dnd-mapping-delete:hover {
            color: var(--danger); background: rgba(248,113,113,0.1);
        }

        /* ── Empty State ── */
        .dnd-empty {
            text-align: center; padding: 2.5rem 1rem;
            color: var(--text-muted); font-size: 0.8rem;
        }
        .dnd-empty-icon { font-size: 1.75rem; margin-bottom: 0.5rem; opacity: 0.3; }
        .dnd-empty-sub { font-size: 0.7rem; opacity: 0.6; margin-top: 0.25rem; }

        /* ── Toast Notifications ── */
        #dnd-toast-container {
            position: fixed; bottom: 2rem; right: 2rem; z-index: 200;
            display: flex; flex-direction: column; gap: 0.5rem; align-items: flex-end;
            pointer-events: none;
        }
        .dnd-toast {
            padding: 0.75rem 1.25rem; border-radius: 14px;
            font-size: 0.8rem; font-weight: 600;
            font-family: 'Montserrat', sans-serif;
            box-shadow: 0 8px 32px rgba(0,0,0,0.3);
            display: inline-flex; align-items: center; gap: 0.5rem;
            animation: dndToastIn 0.3s ease;
            pointer-events: auto; color: #fff;
        }
        .dnd-toast.success { background: #059669; }
        .dnd-toast.error { background: #dc2626; }
        .dnd-toast.info { background: #2563eb; }
        .dnd-toast.removing { animation: dndToastOut 0.3s ease forwards; }

        /* ── Animations ── */
        @keyframes dndToastIn {
            from { opacity: 0; transform: translateY(1rem) scale(0.95); }
            to { opacity: 1; transform: translateY(0) scale(1); }
        }
        @keyframes dndToastOut {
            from { opacity: 1; transform: translateY(0); }
            to { opacity: 0; transform: translateY(-0.5rem); }
        }
        @keyframes dndDropPulse {
            0% { box-shadow: 0 0 0 0 rgba(50,190,239,0.4); }
            50% { box-shadow: 0 0 0 12px rgba(50,190,239,0); }
            100% { box-shadow: 0 0 0 0 rgba(50,190,239,0); }
        }
        @keyframes dndChipPopIn {
            from { opacity: 0; transform: scale(0.7); }
            to { opacity: 1; transform: scale(1); }
        }

        /* ── DnD Responsive ── */
        @media (max-width: 768px) {
            .dnd-bento-grid {
                grid-template-columns: 1fr;
                grid-template-areas:
                    "resources"
                    "calendars"
                    "mappings";
            }
            .dnd-user-add-combo input { width: 130px; }
        }