/* ============================================
   SMART LINKS - Dropdown Hyperlink System
   Minimal, non-intrusive contextual navigation
   ============================================ */

/* === Base Smart Link Container === */
.smart-link {
    position: relative;
    display: inline;
}

/* === Link Text - Subtle, standard styling === */
.smart-link-text {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px dotted currentColor;
    transition: border-color var(--transition-fast);
    cursor: pointer;
}

.smart-link-text:hover {
    border-bottom-style: solid;
}

/* === Dropdown Toggle - Overlays on RHS, doesn't take space === */
.smart-link-toggle {
    position: absolute;
    right: -2px;
    top: 50%;
    transform: translateY(-50%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    background: rgba(var(--color-surface-rgb, 26, 31, 58), 0.9);
    border: 1px solid rgba(var(--color-text-secondary-rgb, 150, 150, 150), 0.3);
    border-radius: 3px;
    color: var(--color-text-secondary);
    font-size: 8px;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
    z-index: 5;
}

.smart-link:hover .smart-link-toggle {
    opacity: 1;
    pointer-events: auto;
}

.smart-link.active .smart-link-toggle {
    opacity: 1;
    pointer-events: auto;
    background: rgba(var(--color-primary-rgb), 0.2);
    border-color: rgba(var(--color-primary-rgb), 0.4);
}

.smart-link-toggle::after {
    content: "▾";
    line-height: 1;
}

.smart-link.active .smart-link-toggle::after {
    content: "▴";
}

/* === Dropdown Menu === */
.smart-link-dropdown {
    position: absolute;
    top: calc(100% + 2px);
    left: 0;
    min-width: 260px;
    max-width: 380px;
    background: rgba(var(--color-surface-rgb, 26, 31, 58), 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(var(--color-border-rgb, 100, 100, 120), 0.4);
    border-radius: var(--radius-md, 8px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    z-index: var(--z-dropdown, 100);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: all var(--transition-fast);
    overflow: hidden;
}

.smart-link.active .smart-link-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.smart-link-dropdown.align-right {
    left: auto;
    right: 0;
}

/* === Dropdown Sections === */
.dropdown-section {
    padding: var(--spacing-xs, 4px) 0;
    border-bottom: 1px solid rgba(var(--color-border-rgb, 100, 100, 120), 0.2);
}

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

.dropdown-section-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 10px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 4px 12px;
    opacity: 0.7;
}

.dropdown-section-label .section-icon {
    font-size: 10px;
}

/* === Primary Match (exact page found) === */
.dropdown-primary {
    background: rgba(var(--color-primary-rgb), 0.08);
}

.dropdown-primary .dropdown-item-title {
    color: var(--color-primary);
    font-weight: 600;
}

/* === Dropdown Items === */
.dropdown-item {
    display: flex;
    flex-direction: column;
    padding: 6px 12px;
    color: var(--color-text-primary);
    text-decoration: none;
    transition: background var(--transition-fast);
    cursor: pointer;
}

.dropdown-item:hover {
    background: rgba(var(--color-primary-rgb), 0.1);
}

.dropdown-item-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dropdown-item-meta {
    font-size: 11px;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 1px;
}

.dropdown-item-category {
    opacity: 0.8;
}

/* === Corpus Search Section (always last) === */
.dropdown-corpus {
    background: rgba(100, 100, 120, 0.08);
}

.dropdown-corpus .dropdown-section-label {
    color: var(--color-text-secondary);
}

.corpus-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 12px;
    text-decoration: none;
    transition: background var(--transition-fast);
    cursor: pointer;
}

.corpus-option:hover {
    background: rgba(var(--color-primary-rgb), 0.1);
}

.corpus-option-icon {
    font-size: 14px;
    width: 20px;
    text-align: center;
    opacity: 0.8;
}

.corpus-option-info {
    flex: 1;
    min-width: 0;
}

.corpus-option-name {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-primary);
}

.corpus-option-lang {
    font-size: 10px;
    color: var(--color-text-secondary);
}

.corpus-option-arrow {
    font-size: 11px;
    color: var(--color-text-secondary);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.corpus-option:hover .corpus-option-arrow {
    opacity: 0.6;
}

/* === Theme Variations === */
[data-theme="day"] .smart-link-dropdown {
    background: rgba(255, 252, 248, 0.98);
}

[data-theme="day"] .smart-link-toggle {
    background: rgba(255, 252, 248, 0.95);
}

/* === Responsive === */
@media (max-width: 768px) {
    .smart-link-dropdown {
        min-width: 220px;
        max-width: calc(100vw - 24px);
    }
}

/* === No-JS Fallback === */
.no-js .smart-link-toggle,
.no-js .smart-link-dropdown {
    display: none;
}