:root {
            --bg-primary: #0f172a;
            --bg-secondary: #1e293b;
            --bg-tertiary: #334155;
            --text-primary: #f8fafc;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --accent: #6366f1;
            --accent-hover: #818cf8;
            --success: #22c55e;
            --warning: #f59e0b;
            --danger: #ef4444;
            --border: #334155;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            min-height: 100vh;
        }

        /* Header */
        .header {
            background: var(--bg-secondary);
            padding: 1rem 2rem;
            border-bottom: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .header h1 {
            font-size: 1.5rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .header-actions {
            display: flex;
            gap: 1rem;
        }

        .btn {
            padding: 0.5rem 1rem;
            border-radius: 0.5rem;
            border: none;
            font-size: 0.875rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
        }

        .btn-primary {
            background: var(--accent);
            color: white;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
        }

        .btn-secondary {
            background: var(--bg-tertiary);
            color: var(--text-primary);
        }

        .btn-secondary:hover {
            background: var(--border);
        }

        /* Main Content */
        .main {
            padding: 2rem;
            max-width: 1400px;
            margin: 0 auto;
        }

        /* Filtri */
        .filters {
            display: flex;
            gap: 1rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }

        .filter-btn {
            padding: 0.5rem 1rem;
            border-radius: 2rem;
            border: 1px solid var(--border);
            background: transparent;
            color: var(--text-secondary);
            font-size: 0.875rem;
            cursor: pointer;
            transition: all 0.2s;
        }

        .filter-btn:hover,
        .filter-btn.active {
            background: var(--accent);
            color: white;
            border-color: var(--accent);
        }

        /* Groups Grid */
        .groups-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 1.5rem;
        }

        /* Group Card */
        .group-card {
            background: var(--bg-secondary);
            border-radius: 1rem;
            padding: 1.5rem;
            border-left: 4px solid var(--accent);
            cursor: pointer;
            transition: all 0.2s;
        }

        .group-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
        }

        .room-link {
            color: var(--accent-hover);
            text-decoration: none;
            font-weight: 500;
        }

        .room-link:hover {
            text-decoration: underline;
        }

        .group-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 1rem;
        }

        .group-name {
            font-size: 1.25rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .group-rooms-badge {
            background: var(--bg-tertiary);
            padding: 0.25rem 0.75rem;
            border-radius: 1rem;
            font-size: 0.75rem;
            color: var(--text-secondary);
        }

        .group-dates {
            color: var(--text-secondary);
            font-size: 0.875rem;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .group-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;
            margin-bottom: 1rem;
        }

        .stat {
            text-align: center;
        }

        .stat-value {
            font-size: 1.5rem;
            font-weight: 600;
        }

        .stat-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            text-transform: uppercase;
        }

        /* Payment Progress */
        .payment-progress {
            margin-top: 1rem;
        }

        .progress-header {
            display: flex;
            justify-content: space-between;
            font-size: 0.875rem;
            margin-bottom: 0.5rem;
        }

        .progress-bar {
            height: 8px;
            background: var(--bg-tertiary);
            border-radius: 4px;
            overflow: hidden;
        }

        .progress-fill {
            height: 100%;
            border-radius: 4px;
            transition: width 0.3s ease;
        }

        .progress-fill.paid {
            background: var(--success);
        }

        .progress-fill.partial {
            background: var(--warning);
        }

        .progress-fill.unpaid {
            background: var(--danger);
        }

        /* Payment Status Badge */
        .payment-badge {
            padding: 0.25rem 0.5rem;
            border-radius: 0.25rem;
            font-size: 0.75rem;
            font-weight: 600;
        }

        .payment-badge.paid {
            background: rgba(34, 197, 94, 0.2);
            color: var(--success);
        }

        .payment-badge.partial {
            background: rgba(245, 158, 11, 0.2);
            color: var(--warning);
        }

        .payment-badge.unpaid {
            background: rgba(239, 68, 68, 0.2);
            color: var(--danger);
        }

        /* Empty State */
        .empty-state {
            text-align: center;
            padding: 4rem 2rem;
            color: var(--text-muted);
        }

        .empty-state-icon {
            font-size: 4rem;
            margin-bottom: 1rem;
        }

        /* Loading */
        .loading {
            text-align: center;
            padding: 4rem;
            color: var(--text-muted);
        }

        .loading-spinner {
            width: 40px;
            height: 40px;
            border: 3px solid var(--border);
            border-top-color: var(--accent);
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin: 0 auto 1rem;
        }

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

        /* Modal */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.8);
            display: none;
            justify-content: center;
            align-items: center;
            z-index: 1000;
            padding: 2rem;
        }

        .modal-overlay.visible {
            display: flex;
        }

        .modal {
            background: var(--bg-secondary);
            border-radius: 1rem;
            max-width: 900px;
            width: 100%;
            max-height: 90vh;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .modal-header {
            padding: 1.5rem;
            border-bottom: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .modal-title {
            font-size: 1.5rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .modal-close {
            background: transparent;
            border: none;
            color: var(--text-muted);
            font-size: 1.5rem;
            cursor: pointer;
        }

        .modal-body {
            padding: 1.5rem;
            overflow-y: auto;
            flex: 1;
        }

        .modal-footer {
            padding: 1.5rem;
            border-top: 1px solid var(--border);
            display: flex;
            justify-content: flex-end;
            gap: 1rem;
        }

        /* Group Detail */
        .detail-section {
            margin-bottom: 2rem;
        }

        .detail-section h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 1rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .summary-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
        }

        .summary-card {
            background: var(--bg-primary);
            padding: 1rem;
            border-radius: 0.75rem;
            text-align: center;
        }

        .summary-card .value {
            font-size: 1.75rem;
            font-weight: 700;
        }

        .summary-card .label {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 0.25rem;
        }

        /* Bookings Table */
        .bookings-table {
            width: 100%;
            border-collapse: collapse;
        }

        .bookings-table th,
        .bookings-table td {
            padding: 0.75rem;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }

        .bookings-table th {
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.75rem;
            text-transform: uppercase;
        }

        .bookings-table tr:hover {
            background: var(--bg-tertiary);
        }

        .status-badge {
            padding: 0.25rem 0.5rem;
            border-radius: 0.25rem;
            font-size: 0.75rem;
            font-weight: 500;
        }

        .status-badge.confirmed {
            background: rgba(99, 102, 241, 0.2);
            color: var(--accent);
        }

        .status-badge.checked_in {
            background: rgba(34, 197, 94, 0.2);
            color: var(--success);
        }

        .status-badge.checked_out {
            background: rgba(100, 116, 139, 0.2);
            color: var(--text-muted);
        }

        .status-badge.cancelled {
            background: rgba(239, 68, 68, 0.2);
            color: var(--danger);
        }

        /* Rompicapo Pagamento Styles */
        .payment-section {
            border-top: 1px solid var(--border);
            padding-top: 1.5rem;
            margin-top: 1.5rem;
        }

        .payment-input-group {
            display: flex;
            gap: 1rem;
            align-items: center;
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
        }

        .payment-input-group label {
            color: var(--text-secondary);
            font-size: 0.875rem;
        }

        .payment-input-group input {
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: 0.5rem;
            padding: 0.75rem 1rem;
            color: var(--text-primary);
            font-size: 1.25rem;
            font-weight: 600;
            width: 150px;
            text-align: right;
        }

        .payment-input-group input:focus {
            outline: none;
            border-color: var(--accent);
        }

        .payment-input-group select {
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: 0.5rem;
            padding: 0.75rem 1rem;
            color: var(--text-primary);
            font-size: 0.875rem;
        }

        /* Rompicapo Grid */
        .rompicapo-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1rem;
            margin-top: 1rem;
        }

        .rompicapo-card {
            background: var(--bg-primary);
            border-radius: 0.75rem;
            padding: 1rem;
            border: 2px solid var(--border);
            transition: all 0.2s;
        }

        .rompicapo-card:focus-within {
            border-color: var(--accent);
        }

        .rompicapo-card .room-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 0.75rem;
        }

        .rompicapo-card .room-number {
            font-weight: 600;
            font-size: 1rem;
        }

        .rompicapo-card .room-guest {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .rompicapo-card .room-total {
            font-size: 0.75rem;
            color: var(--text-secondary);
            margin-bottom: 0.5rem;
        }

        .rompicapo-card input {
            width: 100%;
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: 0.5rem;
            padding: 0.5rem;
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 600;
            text-align: center;
        }

        .rompicapo-card input:focus {
            outline: none;
            border-color: var(--accent);
        }

        .rompicapo-card .percentage {
            text-align: center;
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 0.5rem;
        }

        /* Balance indicator */
        .balance-bar {
            margin-top: 1.5rem;
            padding: 1rem;
            background: var(--bg-primary);
            border-radius: 0.75rem;
        }

        .balance-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.5rem;
            font-size: 0.875rem;
        }

        .balance-bar .progress-bar {
            height: 12px;
        }

        .balance-status {
            text-align: center;
            margin-top: 0.75rem;
            font-weight: 600;
        }

        .balance-status.balanced {
            color: var(--success);
        }

        .balance-status.unbalanced {
            color: var(--danger);
        }

        /* Action buttons */
        .action-buttons {
            display: flex;
            gap: 0.75rem;
            margin-top: 1rem;
        }

        .btn-success {
            background: var(--success);
            color: white;
        }

        .btn-success:hover {
            background: #16a34a;
        }

        .btn-warning {
            background: var(--warning);
            color: white;
        }

        .btn-warning:hover {
            background: #d97706;
        }

        /* Rooming List Button Style */
        .btn-purple {
            background: #8b5cf6;
            color: white;
        }

        .btn-purple:hover {
            background: #7c3aed;
        }