/* ============================================
   ВКЛАДКИ (TABS)
   ============================================ */
.tabs {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.tabs-nav {
    display: flex;
    gap: var(--spacing-xs);
    border-bottom: 2px solid var(--color-gray-200);
    overflow-x: auto;
    padding-bottom: 1px;
}

.tabs-nav::-webkit-scrollbar {
    height: 4px;
}

.tabs-nav::-webkit-scrollbar-thumb {
    background: var(--color-gray-400);
    border-radius: var(--radius-full);
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    margin-bottom: -2px;
}

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

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

.tab-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Содержимое вкладок */
.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Варианты оформления вкладок */
.tabs-pills .tabs-nav {
    border-bottom: none;
    gap: var(--spacing-sm);
}

.tabs-pills .tab-btn {
    padding: 0.5rem 1.5rem;
    border: none;
    border-radius: var(--radius-full);
    background: var(--color-gray-100);
    color: var(--color-text-secondary);
}

.tabs-pills .tab-btn:hover {
    background: var(--color-gray-200);
}

.tabs-pills .tab-btn.active {
    background: var(--color-primary);
    color: var(--color-white);
}

/* Вертикальные вкладки */
.tabs-vertical {
    display: flex;
    gap: var(--spacing-lg);
}

.tabs-vertical .tabs-nav {
    flex-direction: column;
    border-bottom: none;
    border-right: 2px solid var(--color-gray-200);
    min-width: 200px;
    padding-bottom: 0;
    padding-right: var(--spacing-sm);
}

.tabs-vertical .tab-btn {
    border-bottom: none;
    border-right: 2px solid transparent;
    text-align: left;
    padding: 0.75rem 1rem;
}

.tabs-vertical .tab-btn.active {
    border-right-color: var(--color-primary);
}

.tabs-vertical .tab-content {
    flex: 1;
}

/* Адаптивность */
@media (max-width: 768px) {
    .tab-btn {
        padding: 0.5rem 1rem;
        font-size: var(--font-size-sm);
    }

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

    .tabs-vertical .tabs-nav {
        flex-direction: row;
        border-right: none;
        border-bottom: 2px solid var(--color-gray-200);
        padding-right: 0;
        padding-bottom: var(--spacing-xs);
        min-width: auto;
        overflow-x: auto;
    }

    .tabs-vertical .tab-btn {
        border-right: none;
        border-bottom: 2px solid transparent;
    }

    .tabs-vertical .tab-btn.active {
        border-right: none;
        border-bottom-color: var(--color-primary);
    }
}