/* ============================================
   API Tester v2 - Tabs Styles
   Tab Navigation for Generation Types
   ============================================ */

/* ========== Tab Container ========== */
.tabs {
    display: flex;
    flex-direction: column;
}

/* ========== Tab List ========== */
.tab-list {
    display: flex;
    gap: var(--spacing-4);
    padding: 0;
    background-color: transparent;
    border-radius: 0;
    border: none;
    border-bottom: 1px solid var(--color-border);
}

.tab-list-pills {
    background: transparent;
    border: none;
    padding: 0;
    gap: var(--spacing-2);
}

.tab-list-underline {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--color-border);
    border-radius: 0;
    padding: 0;
    gap: 0;
}

/* ========== Tab Button ========== */
.tab-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    background: transparent;
    border: none;
    border-radius: 0;
    cursor: pointer;
    border: 1px solid transparent;
    transition:
        color var(--transition-fast),
        background-color var(--transition-fast),
        border-color var(--transition-fast);
    white-space: nowrap;
    position: relative;
}

.tab-btn:hover {
    color: var(--color-text-primary);
    background-color: transparent;
}

.tab-btn.is-active {
    color: var(--color-text-primary);
    background-color: transparent;
    border-color: transparent;
    border-bottom-color: var(--color-text-primary);
    box-shadow: none;
}

.tab-btn svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.tab-btn-icon {
    width: 18px;
    height: 18px;
}

/* ========== Tab Pills Variant ========== */
.tab-list-pills .tab-btn {
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    background-color: var(--color-glass);
    border: 1px solid var(--color-border);
}

.tab-list-pills .tab-btn:hover {
    background-color: var(--color-glass-hover);
    border-color: var(--color-border-hover);
}

.tab-list-pills .tab-btn.is-active {
    background-color: var(--color-accent-active);
    border-color: var(--color-accent);
    color: var(--color-bg-primary);
    box-shadow: none;
}

/* ========== Tab Underline Variant ========== */
.tab-list-underline .tab-btn {
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: 0;
    background: transparent;
}

.tab-list-underline .tab-btn::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: transparent;
    transition: background-color var(--transition-fast);
}

.tab-list-underline .tab-btn:hover {
    background: transparent;
}

.tab-list-underline .tab-btn:hover::after {
    background-color: var(--color-border-hover);
}

.tab-list-underline .tab-btn.is-active {
    color: var(--color-accent);
    background: transparent;
    box-shadow: none;
}

.tab-list-underline .tab-btn.is-active::after {
    background-color: var(--color-accent);
}

/* ========== Tab Badge ========== */
.tab-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 var(--spacing-1);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    background-color: var(--color-glass);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
}

.tab-btn.is-active .tab-badge {
    background-color: var(--color-accent-muted);
    color: var(--color-accent);
}

.tab-list-pills .tab-btn.is-active .tab-badge {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
}

/* ========== Tab Panels ========== */
.tab-panels {
    margin-top: var(--spacing-4);
}

.tab-panel {
    display: none;
    animation: tab-fade-in var(--transition-base) ease-out;
}

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

@keyframes tab-fade-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== Generation Type Tabs (Specific) ========== */
.generation-tabs {
    margin-bottom: var(--spacing-4);
}

.generation-tabs .tab-list {
    background-color: transparent;
    padding: 0;
    border-color: var(--color-border);
}

.generation-tabs .tab-btn {
    flex: 1;
    justify-content: center;
    border-bottom-width: 2px;
}

.generation-tabs .tab-btn svg {
    width: 18px;
    height: 18px;
}

/* Tab icons with specific colors when active */
.generation-tabs .tab-btn[data-tab="text"].is-active {
    background: transparent;
    border-color: transparent;
    border-bottom-color: var(--color-text-primary);
}

.generation-tabs .tab-btn[data-tab="text"].is-active svg,
.generation-tabs .tab-btn[data-tab="image"].is-active svg,
.generation-tabs .tab-btn[data-tab="audio"].is-active svg,
.generation-tabs .tab-btn[data-tab="video"].is-active svg {
    color: var(--color-accent);
}

.generation-tabs .tab-btn[data-tab="image"].is-active {
    background: transparent;
    border-color: transparent;
    border-bottom-color: var(--color-text-primary);
}

.generation-tabs .tab-btn[data-tab="audio"].is-active {
    background: transparent;
    border-color: transparent;
    border-bottom-color: var(--color-text-primary);
}

.generation-tabs .tab-btn[data-tab="video"].is-active {
    background: transparent;
    border-color: transparent;
    border-bottom-color: var(--color-text-primary);
}

/* ========== Disabled Tabs ========== */
.tab-btn:disabled,
.tab-btn.is-disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

.tab-btn:disabled:hover,
.tab-btn.is-disabled:hover {
    background: transparent;
    color: var(--color-text-secondary);
}

.generation-tabs .tab-btn:disabled,
.generation-tabs .tab-btn.is-disabled {
    background: transparent;
    border: 1px solid transparent;
}

/* ========== Vertical Tabs ========== */
.tabs-vertical {
    flex-direction: row;
    gap: var(--spacing-4);
}

.tabs-vertical .tab-list {
    flex-direction: column;
    width: 200px;
    flex-shrink: 0;
}

.tabs-vertical .tab-btn {
    justify-content: flex-start;
}

.tabs-vertical .tab-panels {
    flex: 1;
    margin-top: 0;
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
    .tab-list {
        overflow-x: auto;
        max-width: 100%;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .tab-list::-webkit-scrollbar {
        display: none;
    }

    .tab-btn {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-xs);
    }

    .tab-btn span:not(.tab-badge) {
        display: none;
    }

    .tab-btn svg {
        width: 20px;
        height: 20px;
    }

    .generation-tabs .tab-btn {
        padding: var(--spacing-3);
        min-width: 74px;
    }

    .tabs-vertical {
        flex-direction: column;
    }

    .tabs-vertical .tab-list {
        width: 100%;
        flex-direction: row;
    }
}

@media (max-width: 480px) {
    .generation-tabs .tab-list {
        gap: var(--spacing-2);
    }

    .generation-tabs .tab-btn {
        padding: var(--spacing-2);
        min-width: 64px;
    }
}