/* ============================================
   FIFA World Cup 2026 Dashboard - Responsive Styles
   Mobile-First Responsive Design
   ============================================ */

/* ============================================
   Tablet (768px - 1024px)
   ============================================ */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 240px;
        --spacing-xl: 24px;
        --spacing-xxl: 32px;
    }

    .header-container {
        padding: 0 var(--spacing-md);
    }

    .logo h1 {
        font-size: 1.25rem;
    }

    .header-center {
        max-width: 400px;
        margin: 0 var(--spacing-lg);
    }

    .main-content {
        padding: var(--spacing-lg);
    }

    .section-title {
        font-size: 1.75rem;
    }

    .groups-container {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: var(--spacing-md);
    }

    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================
   Mobile (< 768px)
   ============================================ */
@media (max-width: 768px) {
    :root {
        --header-height: 60px;
        --spacing-lg: 16px;
        --spacing-xl: 20px;
        --spacing-xxl: 24px;
    }

    /* Header Mobile */
    .header-container {
        padding: 0 var(--spacing-md);
    }

    .menu-toggle {
        display: block;
    }

    .logo i {
        font-size: 1.5rem;
    }

    .logo h1 {
        font-size: 1rem;
    }

    .header-center {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: white;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        z-index: 999;
    }

    .header-center.active {
        display: block;
    }

    .search-bar input {
        font-size: 0.875rem;
    }

    .language-selector {
        display: none;
    }

    /* Sidebar Mobile */
    .sidebar {
        position: fixed;
        left: -100%;
        top: var(--header-height);
        width: 280px;
        height: calc(100vh - var(--header-height));
        z-index: 998;
        transition: left var(--transition-normal);
        box-shadow: var(--shadow-lg);
    }

    .sidebar.active {
        left: 0;
    }

    /* Main Content Mobile */
    .main-content {
        padding: var(--spacing-md);
        width: 100%;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }

    .section-title {
        font-size: 1.5rem;
    }

    .section-title i {
        font-size: 1.25rem;
    }

    .section-actions {
        width: 100%;
        justify-content: space-between;
    }

    .btn-secondary {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
    }

    /* Groups Mobile */
    .groups-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .group-header {
        padding: var(--spacing-md);
    }

    .group-name {
        font-size: 1.25rem;
    }

    .group-badge {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }

    .group-table th,
    .group-table td {
        padding: var(--spacing-sm);
        font-size: 0.875rem;
    }

    .group-table th {
        font-size: 0.7rem;
    }

    .team-flag {
        font-size: 1.25rem;
    }

    /* Footer Mobile */
    .footer {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .footer-section {
        text-align: center;
    }

    .footer-section ul {
        align-items: center;
    }

    .social-links {
        justify-content: center;
    }
}

/* ============================================
   Small Mobile (< 480px)
   ============================================ */
@media (max-width: 480px) {
    :root {
        --spacing-md: 12px;
        --spacing-lg: 16px;
    }

    .logo h1 {
        display: none;
    }

    .theme-toggle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.25rem;
    }

    .group-table {
        font-size: 0.8rem;
    }

    .group-table th:nth-child(n+5),
    .group-table td:nth-child(n+5) {
        display: none;
    }

    .btn-secondary span {
        display: none;
    }

    .btn-secondary i {
        margin: 0;
    }
}

/* ============================================
   Landscape Mobile
   ============================================ */
@media (max-height: 500px) and (orientation: landscape) {
    .sidebar {
        height: calc(100vh - var(--header-height));
        overflow-y: auto;
    }

    .sidebar-info {
        display: none;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .header,
    .sidebar,
    .footer,
    .section-actions,
    .loading-overlay {
        display: none !important;
    }

    .main-container {
        margin-top: 0;
    }

    .main-content {
        padding: 0;
        max-width: 100%;
    }

    .group-card {
        break-inside: avoid;
        page-break-inside: avoid;
    }

    body {
        background: white;
    }
}

/* ============================================
   Accessibility - Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ============================================
   Dark Mode Support (Future Enhancement)
   ============================================ */
@media (prefers-color-scheme: dark) {
    /* Dark mode styles can be added here if needed */
}

/* ============================================
   High Contrast Mode
   ============================================ */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
        --text-secondary: #000000;
    }

    .group-card,
    .btn-secondary {
        border: 2px solid var(--border-color);
    }
}

/* ============================================
   Hover Support Detection
   ============================================ */
@media (hover: none) {
    .nav-item:hover,
    .btn-secondary:hover,
    .group-card:hover {
        transform: none;
    }
}

/* Made with Bob */