/* Tournament Cards */
        .tournament-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .tournament-card {
            background: var(--dark-card);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .tournament-card:hover {
            border-color: var(--primary-cyan);
            box-shadow: var(--shadow-md);
            transform: translateY(-5px);
        }

        .tournament-header {
            padding: 1.5rem;
            background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 255, 136, 0.05));
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .tournament-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .tournament-dates {
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
        }

        .tournament-body {
            padding: 1.5rem;
        }

        .tournament-info {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .info-row {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            color: var(--text-secondary);
        }

        .info-row i {
            width: 20px;
            color: var(--primary-cyan);
        }

        .tournament-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;
            padding: 1rem;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 10px;
            margin-bottom: 1.5rem;
        }

        .stat {
            text-align: center;
        }

        .stat-number {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--primary-cyan);
        }

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

        .tournament-actions {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .action-btn {
            flex: 1;
            min-width: 100px;
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
        }

        /* Modal */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            z-index: 2000;
            align-items: center;
            justify-content: center;
        }

        .modal.show {
            display: flex;
        }

        .modal-content {
            background: var(--dark-bg-secondary);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 2rem;
            max-width: 800px;
            width: 90%;
            max-height: 90vh;
            overflow-y: auto;
        }

        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
        }

        .modal-title {
            font-size: 2rem;
            font-weight: 900;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .close-modal {
            background: none;
            border: none;
            font-size: 2rem;
            color: var(--text-muted);
            cursor: pointer;
            transition: color 0.3s ease;
        }

        .close-modal:hover {
            color: var(--text-primary);
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }

        /* Categories Section */
        .categories-section {
            margin-top: 2rem;
            padding: 1.5rem;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 15px;
        }

        .category-item {
            display: flex;
            gap: 1rem;
            align-items: center;
            padding: 1rem;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
            margin-bottom: 0.5rem;
        }

        .category-item > div:first-child {
            flex: 1;
        }

        .add-category-btn {
            margin-top: 1rem;
        }

        /* Page Header */
        .page-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            padding-top: 100px;
        }

        .page-header h1 {
            font-size: 3rem;
            font-weight: 900;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* Responsive */

        /* Mobile Small - < 480px */
        @media (max-width: 480px) {
            .page-header {
                flex-direction: column;
                gap: 1rem;
                align-items: flex-start;
                padding-top: 80px;
            }

            .page-header h1 {
                font-size: var(--font-2xl);
            }

            .tournament-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .tournament-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 0.75rem;
            }

            .stat-number {
                font-size: 1.5rem;
            }

            .action-btn {
                flex: 1 1 auto;
                min-width: 80px;
                font-size: 0.75rem;
            }

            .modal-content {
                max-width: 95vw;
                padding: 1.5rem;
            }

            .modal-title {
                font-size: var(--font-xl);
            }

            .form-row {
                grid-template-columns: 1fr;
            }

            .category-item {
                flex-direction: column;
                align-items: stretch;
            }

            .category-item > div:first-child {
                width: 100%;
            }
        }

        /* Tablet - 768px */
        @media (max-width: 768px) {
            .page-header {
                flex-direction: column;
                gap: 1rem;
                align-items: flex-start;
            }

            .tournament-grid {
                grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            }

            .form-row {
                grid-template-columns: 1fr;
            }
        }