/* Tabs System CSS for Kora24 */

/* Match Tabs Navigation */
.match-tabs {
    background: var(--white);
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.tabs-nav {
    display: flex;
    background: var(--light-gray);
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    padding: 1rem 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
    position: relative;
    font-size: 1rem;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tab-btn:hover {
    background: rgba(76, 175, 80, 0.1);
    color: var(--primary-green);
}

.tab-btn.active {
    background: var(--white);
    color: var(--primary-green);
    border-bottom-color: var(--primary-green);
    font-weight: 700;
}

.tab-btn:focus {
    outline: 2px solid var(--primary-green);
    outline-offset: -2px;
}

/* Tab Content Container */
.tab-content {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.tab-panel {
    display: none;
    padding: 2rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.tab-panel.active {
    display: block !important;
    opacity: 1;
    transform: translateY(0);
    animation: fadeInUp 0.4s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Tab Loading State */
.tab-loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--text-light);
}

.loader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(76, 175, 80, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-green);
    animation: spin 1s ease-in-out infinite;
    margin-bottom: 1rem;
}

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

.tab-loader p {
    font-size: 1.1rem;
    font-weight: 500;
}

/* Standard Tabs Container */
.tabs-container {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 2rem;
}

.tabs-container .tabs-list {
    display: flex;
    background: var(--light-gray);
    border-bottom: 1px solid var(--border-color);
}

.tabs-container .tab-content {
    padding: 2rem;
    display: none;
}

.tabs-container .tab-content.active {
    display: block;
}

/* Mobile Dropdown for Tabs */
.tabs-dropdown {
    display: none;
    position: relative;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
}

.dropdown-toggle {
    width: 100%;
    padding: 1rem 1.5rem;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--text-dark);
    transition: var(--transition);
}

.dropdown-toggle:hover {
    border-color: var(--primary-green);
    color: var(--primary-green);
}

.dropdown-toggle i {
    transition: transform 0.3s ease;
}

.tabs-dropdown.open .dropdown-toggle i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    box-shadow: var(--shadow);
    z-index: 1000;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.tabs-dropdown.open .dropdown-menu {
    max-height: 300px;
}

.dropdown-item {
    width: 100%;
    padding: 1rem 1.5rem;
    background: transparent;
    border: none;
    text-align: right;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-dark);
    border-bottom: 1px solid var(--border-color);
}

.dropdown-item:last-child {
    border-bottom: none;
}

.dropdown-item:hover {
    background: var(--light-gray);
    color: var(--primary-green);
}

/* Tab Content Animations */
.tab-panel[data-tab="overview"] {
    animation-delay: 0.1s;
}

.tab-panel[data-tab="lineup"] {
    animation-delay: 0.2s;
}

.tab-panel[data-tab="stats"] {
    animation-delay: 0.3s;
}

.tab-panel[data-tab="timeline"] {
    animation-delay: 0.4s;
}

.tab-panel[data-tab="h2h"] {
    animation-delay: 0.5s;
}

/* Responsive Design */
@media (max-width: 768px) {
    .tabs-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .tab-btn {
        flex: 1 1 auto;
        min-width: 120px;
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .tab-panel {
        padding: 1.5rem;
    }
    
    /* Show dropdown on mobile if tabs overflow */
    .tabs-dropdown {
        display: block;
    }
    
    .tabs-nav {
        display: none;
    }
}

@media (max-width: 480px) {
    .tabs-nav {
        flex-direction: column;
    }
    
    .tab-btn {
        flex: none;
        border-bottom: 1px solid var(--border-color);
        border-radius: 0;
        padding: 1rem;
    }
    
    .tab-btn:last-child {
        border-bottom: none;
    }
    
    .tab-btn.active {
        border-bottom-color: var(--border-color);
        border-right: 3px solid var(--primary-green);
    }
    
    .tab-panel {
        padding: 1rem;
    }
    
    .dropdown-toggle {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .dropdown-item {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .tab-btn {
        border: 2px solid transparent;
    }
    
    .tab-btn:hover,
    .tab-btn.active {
        border-color: var(--primary-green);
    }
    
    .tab-panel {
        border: 1px solid var(--border-color);
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .tab-btn,
    .tab-panel,
    .dropdown-toggle,
    .dropdown-menu {
        transition: none;
    }
    
    .tab-panel {
        animation: none;
    }
    
    .loader-spinner {
        animation: none;
    }
}

/* Focus Visible Support */
.tab-btn:focus-visible {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
}

.dropdown-toggle:focus-visible,
.dropdown-item:focus-visible {
    outline: 2px solid var(--primary-green);
    outline-offset: -2px;
}

/* Print Styles */
@media print {
    .tabs-nav,
    .tabs-dropdown {
        display: none;
    }
    
    .tab-panel {
        display: block !important;
        opacity: 1 !important;
        transform: none !important;
        page-break-inside: avoid;
    }
    
    .tab-panel:not(:first-child) {
        page-break-before: always;
    }
}

/* Dark Mode Support (if implemented) */
@media (prefers-color-scheme: dark) {
    .tabs-nav {
        background: #2d2d2d;
        border-bottom-color: #444;
    }
    
    .tab-btn {
        color: #e0e0e0;
    }
    
    .tab-btn:hover {
        background: rgba(76, 175, 80, 0.2);
    }
    
    .tab-btn.active {
        background: #1a1a1a;
        color: var(--primary-green);
    }
    
    .tab-content,
    .tab-panel {
        background: #1a1a1a;
        color: #e0e0e0;
    }
    
    .dropdown-toggle,
    .dropdown-menu {
        background: #1a1a1a;
        border-color: #444;
        color: #e0e0e0;
    }
    
    .dropdown-item:hover {
        background: #2d2d2d;
    }
}

/* Custom Scrollbar for Tab Content */
.tab-panel::-webkit-scrollbar {
    width: 8px;
}

.tab-panel::-webkit-scrollbar-track {
    background: var(--light-gray);
    border-radius: 4px;
}

.tab-panel::-webkit-scrollbar-thumb {
    background: var(--primary-green);
    border-radius: 4px;
}

.tab-panel::-webkit-scrollbar-thumb:hover {
    background: var(--dark-green);
}

/* Tab Indicator Animation */
.tab-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--primary-green);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.tab-btn.active::after {
    width: 100%;
}

/* Hover Effects */
.tab-btn:not(.active):hover::after {
    width: 50%;
    background: rgba(76, 175, 80, 0.5);
}

/* Loading State for Tab Content */
.tab-panel.loading {
    position: relative;
    min-height: 200px;
}

.tab-panel.loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.tab-panel.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 30px;
    height: 30px;
    border: 3px solid rgba(76, 175, 80, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-green);
    animation: spin 1s ease-in-out infinite;
    transform: translate(-50%, -50%);
    z-index: 11;
}

/* Success/Error States */
.tab-panel.error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: #f44336;
    text-align: center;
}

.tab-panel.error i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.tab-panel.error h3 {
    margin-bottom: 0.5rem;
    color: #f44336;
}

.tab-panel.error p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.tab-panel.error .retry-btn {
    background: var(--primary-green);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
}

.tab-panel.error .retry-btn:hover {
    background: var(--dark-green);
    transform: translateY(-2px);
}

/* Accessibility Improvements */
.tab-btn[aria-selected="true"] {
    background: var(--white);
    color: var(--primary-green);
    border-bottom-color: var(--primary-green);
}

.tab-panel[role="tabpanel"] {
    outline: none;
}

.tab-panel[role="tabpanel"]:focus {
    box-shadow: inset 0 0 0 2px var(--primary-green);
}

/* Skip to Content Link for Tabs */
.skip-to-tab-content {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-green);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 1000;
    transition: top 0.3s;
}

.skip-to-tab-content:focus {
    top: 6px;
}

/* Tab Badge/Counter Support */
.tab-btn .tab-badge {
    background: var(--primary-green);
    color: white;
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 10px;
    margin-right: 0.5rem;
    font-weight: 600;
}

.tab-btn.active .tab-badge {
    background: var(--dark-green);
}

/* Tab Icon Support */
.tab-btn .tab-icon {
    margin-left: 0.5rem;
    font-size: 1.1rem;
}

.tab-btn .tab-icon + .tab-text {
    margin-right: 0.5rem;
}

/* Smooth Scrolling for Tab Content */
.tab-panel {
    scroll-behavior: smooth;
}

/* Tab Content Max Height with Scroll */
.tab-panel.scrollable {
    max-height: 500px;
    overflow-y: auto;
}

.tab-panel.scrollable::-webkit-scrollbar {
    width: 6px;
}

.tab-panel.scrollable::-webkit-scrollbar-track {
    background: var(--light-gray);
}

.tab-panel.scrollable::-webkit-scrollbar-thumb {
    background: var(--primary-green);
    border-radius: 3px;
}