/**
 * DocsExport Dropdown Styles
 *
 * Styles for the header export dropdown with:
 * - Trigger button
 * - Format toggle pills (DOCX / PDF)
 * - Export scope menu items with icons
 * - Toast notifications
 *
 * @author  An Cao
 * @date    2026-02-11
 */

/* ==========================================================================
   Dropdown container
   ========================================================================== */

.docs-export-dropdown {
    position: relative;
}

/* ==========================================================================
   Trigger button
   ========================================================================== */

.docs-export-trigger {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4375rem 0.75rem;
    border: 1px solid var(--docs-border-color);
    border-radius: 8px;
    background: var(--docs-light-color);
    color: var(--docs-text-color);
    font-size: 0.875rem;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.docs-export-trigger:hover {
    border-color: var(--docs-primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.08);
}

.docs-export-trigger:focus {
    outline: none;
    border-color: var(--docs-primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.docs-export-dropdown.is-open .docs-export-trigger {
    border-color: var(--docs-primary-color);
    background: #fff;
}

.docs-export-trigger:disabled,
.docs-export-trigger.disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.docs-export-trigger svg:first-of-type {
    flex-shrink: 0;
}

.docs-export-trigger-text {
    font-weight: 500;
}

.docs-export-caret {
    flex-shrink: 0;
    transition: transform 0.2s;
}

.docs-export-dropdown.is-open .docs-export-caret {
    transform: rotate(180deg);
}

/* ==========================================================================
   Menu
   ========================================================================== */

.docs-export-menu {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    min-width: 280px;
    background: #fff;
    border: 1px solid var(--docs-border-color);
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: all 0.2s;
    padding: 4px 0;
}

.docs-export-dropdown.is-open .docs-export-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* ==========================================================================
   Format toggle pills (DOCX / PDF)
   ========================================================================== */

.docs-export-format {
    display: flex;
    gap: 4px;
    padding: 8px 10px;
    margin: 0;
}

.docs-export-format-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex: 1;
    padding: 6px 12px;
    border: 1px solid var(--docs-border-color);
    border-radius: 6px;
    background: transparent;
    color: var(--docs-text-muted, #6b7280);
    font-size: 0.8125rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
}

.docs-export-format-btn:hover {
    background: var(--docs-light-color);
    color: var(--docs-text-color);
    border-color: var(--docs-primary-color);
}

.docs-export-format-btn.is-active {
    background: var(--docs-primary-color);
    color: #fff;
    border-color: var(--docs-primary-color);
}

.docs-export-format-btn.is-active:hover {
    background: var(--docs-primary-hover, #2563eb);
    color: #fff;
}

.docs-export-format-btn svg {
    flex-shrink: 0;
}

.docs-export-format-btn.is-active svg {
    stroke: #fff;
}

/* ==========================================================================
   Separator
   ========================================================================== */

.docs-export-separator {
    height: 1px;
    background: var(--docs-border-color);
    margin: 4px 10px;
}

/* ==========================================================================
   Menu items
   ========================================================================== */

.docs-export-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 0.5625rem 1rem;
    border: none;
    background: transparent;
    color: var(--docs-text-color);
    font-size: 0.875rem;
    font-family: inherit;
    text-align: left;
    cursor: pointer;
    transition: background 0.15s;
}

.docs-export-item:first-of-type {
    border-radius: 0;
}

.docs-export-item:last-child {
    border-radius: 0 0 10px 10px;
}

.docs-export-item:hover:not(:disabled) {
    background: var(--docs-light-color);
}

.docs-export-item:focus {
    outline: none;
    background: var(--docs-light-color);
}

.docs-export-item:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.docs-export-item.is-loading {
    pointer-events: none;
    opacity: 0.7;
}

.docs-export-item.is-loading::after {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-left: auto;
    border: 2px solid var(--docs-border-color);
    border-top-color: var(--docs-primary-color);
    border-radius: 50%;
    animation: docs-export-spin 0.6s linear infinite;
}

/* Item icons */
.docs-export-item-icon {
    flex-shrink: 0;
    color: var(--docs-text-muted, #6b7280);
    transition: color 0.15s;
}

.docs-export-item:hover .docs-export-item-icon {
    color: var(--docs-primary-color);
}

/* Item text */
.docs-export-item span {
    flex: 1;
}

/* ==========================================================================
   Toast notifications
   ========================================================================== */

.docs-export-toast {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%) translateY(100%);
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s, opacity 0.3s, visibility 0.3s;
    max-width: 90vw;
    text-align: center;
}

.docs-export-toast.is-visible {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    visibility: visible;
}

.docs-export-toast--success {
    background: var(--docs-success-color);
    color: #fff;
}

.docs-export-toast--error {
    background: var(--docs-danger-color);
    color: #fff;
}

.docs-export-toast--info {
    background: var(--docs-primary-color);
    color: #fff;
}

/* ==========================================================================
   Loading spinner animation
   ========================================================================== */

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

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 768px) {
    .docs-export-trigger-text {
        display: none;
    }

    .docs-export-trigger {
        padding: 0.4375rem;
    }

    .docs-export-caret {
        display: none;
    }

    .docs-export-menu {
        min-width: 240px;
        right: -10px;
    }
}