/* ===== STANDARDIZED TAB DESIGN SYSTEM ===== */
/* Based on EventSummaryDetail design pattern */

/* ===== TAB CONTAINER ===== */
.standardized-tabs {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 24px;
}

/* ===== TAB NAVIGATION ===== */
.standardized-tab-nav {
    display: flex;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    overflow-x: auto;
    flex-wrap: nowrap;
    min-height: 60px;
}

/* ===== TAB BUTTONS ===== */
.standardized-tab-btn {
    flex: 1;
    padding: 16px 20px;
    background: none;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    flex-shrink: 0;
    min-width: fit-content;
    height: 60px;
    border-bottom: 2px solid transparent;
}

.standardized-tab-btn:hover {
    background: var(--gray-100);
    color: var(--gray-800);
}

.standardized-tab-btn.active {
    background: white;
    color: var(--primary-600);
    border-bottom-color: var(--primary-600);
}

.standardized-tab-btn .material-icons {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.standardized-tab-btn span {
    flex-shrink: 0;
}

/* ===== TAB CONTENT ===== */
.standardized-tab-content {
    padding: 24px;
    background: white;
    border-radius: 0 0 12px 12px;
}

/* ===== TAB PANEL ===== */
.standardized-tab-panel {
    display: none;
}

.standardized-tab-panel.active {
    display: block;
}

/* ===== TAB HEADER ACTIONS ===== */
.standardized-tab-header-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--gray-200);
}

.standardized-tab-header-actions .btn {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .standardized-tab-nav {
        flex-direction: row;
        overflow-x: auto;
        flex-wrap: nowrap;
        min-height: 50px;
    }
    
    .standardized-tab-btn {
        padding: 12px 16px;
        height: 50px;
        min-width: auto;
        flex-shrink: 0;
        border-bottom: 2px solid transparent;
        border-right: none;
    }
    
    .standardized-tab-btn.active {
        border-bottom-color: var(--primary-600);
        border-right: none;
    }
    
    .standardized-tab-btn .material-icons {
        font-size: 1.125rem;
    }
    
    .standardized-tab-btn span {
        font-size: 0.875rem;
    }
    
    .standardized-tab-content {
        padding: 16px;
    }
    
    .standardized-tab-header-actions {
        flex-direction: column;
        gap: 12px;
        align-items: stretch;
    }
    
    .standardized-tab-header-actions .btn {
        justify-content: center;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .standardized-tab-nav {
        min-height: 45px;
    }
    
    .standardized-tab-btn {
        padding: 10px 12px;
        height: 45px;
        gap: 6px;
    }
    
    .standardized-tab-btn .material-icons {
        font-size: 1rem;
    }
    
    .standardized-tab-btn span {
        font-size: 0.8rem;
    }
    
    .standardized-tab-content {
        padding: 12px;
    }
}

/* ===== ACCESSIBILITY ===== */
.standardized-tab-btn:focus {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

.standardized-tab-btn[aria-selected="true"] {
    background: white;
    color: var(--primary-600);
    border-bottom-color: var(--primary-600);
}

/* ===== HIGH CONTRAST MODE ===== */
@media (prefers-contrast: high) {
    .standardized-tab-nav {
        border-bottom-color: var(--gray-600);
    }
    
    .standardized-tab-btn {
        border-bottom-color: var(--gray-300);
    }
    
    .standardized-tab-btn.active {
        border-bottom-color: var(--primary-700);
        background: var(--gray-100);
    }
    
    .standardized-tab-content {
        border: 1px solid var(--gray-300);
    }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
    .standardized-tab-btn {
        transition: none;
    }
}

/* ===== LEGACY COMPATIBILITY ===== */
/* For pages that still use old tab classes, map them to new standardized ones */

/* Map old EventSummaryDetail classes to new standardized classes */
.summary-tabs {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 24px;
}

.tab-nav {
    display: flex;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.tab-btn {
    flex: 1;
    padding: 16px 20px;
    background: none;
    border: none;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-btn:hover {
    background: var(--gray-100);
    color: var(--gray-800);
}

.tab-btn.active {
    background: white;
    color: var(--primary-600);
    border-bottom: 2px solid var(--primary-600);
}

.tab-content {
    padding: 24px;
}

/* Map old VotingDetail classes to new standardized classes */
.tabs-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 24px;
    overflow: hidden;
}

.tabs-nav {
    display: flex;
    border-bottom: 1px solid var(--gray-200);
}

.tab-button {
    flex: 1;
    padding: 16px 24px;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--gray-600);
    font-weight: 500;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.tab-button:hover {
    background: var(--gray-100);
    color: var(--gray-800);
}

.tab-button.active {
    color: var(--primary-600);
    border-bottom-color: var(--primary-600);
    background: white;
}

.tab-button i {
    font-size: 20px;
}

.tab-content {
    background: white;
    border-radius: 0 0 12px 12px;
}

.tab-panel {
    display: none;
    padding: 24px;
}

.tab-panel.active {
    display: block;
}

/* Map old SystemConfig classes to new standardized classes */
.config-tabs {
    display: flex;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    overflow-x: auto;
    flex-wrap: nowrap;
    min-height: 60px;
}

.config-tabs .tab-button {
    background: none;
    border: none;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-600);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.2s ease;
    white-space: nowrap;
    font-weight: 500;
    flex-shrink: 0;
    min-width: fit-content;
    height: 60px;
}

.config-tabs .tab-button:hover {
    background: var(--gray-100);
    color: var(--gray-800);
}

.config-tabs .tab-button.active {
    color: var(--primary-600);
    border-bottom-color: var(--primary-600);
    background: white;
}

.config-tabs .tab-button .material-icons {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.config-tabs .tab-button span {
    flex-shrink: 0;
}

.config-content {
    padding: 2rem;
}

/* ===== RESPONSIVE LEGACY COMPATIBILITY ===== */
@media (max-width: 768px) {
    /* EventSummaryDetail responsive */
    .tab-nav {
        flex-direction: row;
        overflow-x: auto;
        flex-wrap: nowrap;
    }
    
    .tab-btn {
        padding: 12px 16px;
        min-width: auto;
        flex-shrink: 0;
    }
    
    .tab-content {
        padding: 16px;
    }
    
    /* VotingDetail responsive */
    .tabs-nav {
        flex-direction: column;
    }
    
    .tab-button {
        border-bottom: none;
        border-right: 3px solid transparent;
        justify-content: flex-start;
    }
    
    .tab-button.active {
        border-bottom: none;
        border-right-color: var(--primary-600);
    }
    
    /* SystemConfig responsive */
    .config-tabs {
        flex-direction: row;
        overflow-x: auto;
        flex-wrap: nowrap;
        min-height: 50px;
    }
    
    .config-tabs .tab-button {
        padding: 0.75rem 1rem;
        border-bottom: 3px solid transparent;
        border-right: none;
        height: 50px;
        min-width: auto;
        flex-shrink: 0;
    }
    
    .config-tabs .tab-button.active {
        border-bottom-color: var(--primary-600);
        border-right: none;
    }
    
    .config-tabs .tab-button .material-icons {
        font-size: 1.125rem;
    }
    
    .config-tabs .tab-button span {
        font-size: 0.875rem;
    }
    
    .config-content {
        padding: 1rem;
    }
}

/* ===== TAB ANIMATIONS ===== */
@keyframes tabSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.standardized-tab-panel.active,
.tab-panel.active {
    animation: tabSlideIn 0.3s ease-out;
}

/* ===== TAB INDICATORS ===== */
.standardized-tab-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-600);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

/* ===== TAB BADGES ===== */
.standardized-tab-badge {
    background: var(--primary-600);
    color: white;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    margin-left: 4px;
    min-width: 18px;
    text-align: center;
    line-height: 1.2;
}

.standardized-tab-badge.secondary {
    background: var(--gray-500);
}

.standardized-tab-badge.success {
    background: var(--success-600);
}

.standardized-tab-badge.warning {
    background: var(--warning-600);
}

.standardized-tab-badge.danger {
    background: var(--danger-600);
}

/* ===== TAB LOADING STATES ===== */
.standardized-tab-btn.loading {
    position: relative;
    color: var(--gray-400);
    pointer-events: none;
}

.standardized-tab-btn.loading::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid var(--gray-300);
    border-top-color: var(--primary-600);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ===== TAB DROPDOWN ===== */
.standardized-tab-dropdown {
    position: relative;
    display: inline-block;
}

.standardized-tab-dropdown-content {
    display: none;
    position: absolute;
    background: white;
    min-width: 200px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    z-index: 1000;
    top: 100%;
    left: 0;
    margin-top: 4px;
}

.standardized-tab-dropdown-content.show {
    display: block;
}

.standardized-tab-dropdown-item {
    padding: 12px 16px;
    color: var(--gray-700);
    text-decoration: none;
    display: block;
    border-bottom: 1px solid var(--gray-100);
    transition: all 0.2s ease;
}

.standardized-tab-dropdown-item:hover {
    background: var(--gray-50);
    color: var(--primary-600);
}

.standardized-tab-dropdown-item:last-child {
    border-bottom: none;
    border-radius: 0 0 8px 8px;
}

.standardized-tab-dropdown-item:first-child {
    border-radius: 8px 8px 0 0;
}