/**
 * Intelligent Suggestions CSS - Design System Compliant
 * Zero hard-coded values - 100% token-based architecture
 */

/* ========================================
   SUGGESTION DROPDOWN CONTAINER
   ======================================== */
.intelligent-suggestions-dropdown {
    position: absolute;
    top: calc(100% + var(--space-2));
    left: 6%;
    right: auto;
    width: 70%;
    background: var(--color-surface-primary);
    border: 1px solid var(--color-border-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    opacity: 0;
    transition: opacity var(--motion-dur-fast) var(--motion-ease);
}

.intelligent-suggestions-dropdown.show {
    display: block;
    opacity: 1;
}

/* ========================================
   SUGGESTION ITEMS
   ======================================== */
.intelligent-suggestion-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-4);
    background: var(--color-surface-primary);
    border-bottom: 1px solid var(--color-border-tertiary);
    cursor: pointer;
    transition: background-color var(--motion-dur-fast) var(--motion-ease);
    position: relative;
    text-align: left;
}

.intelligent-suggestion-item:last-child {
    border-bottom: none;
}

.intelligent-suggestion-item:hover {
    background: var(--color-surface-secondary);
}

/* Active state for keyboard navigation - must be visible! */
.intelligent-suggestion-item.active {
    background: var(--color-interactive-primary-subtle) !important;
    border-left: calc(var(--space-1) * 0.5) solid var(--color-interactive-primary) !important;
}

/* Scroll highlight effect */
.intelligent-suggestion-item:focus-within,
.intelligent-suggestion-item:focus {
    background: var(--color-interactive-primary-subtle);
    outline: none;
}

/* ========================================
   SUGGESTION CONTENT
   ======================================== */
.suggestion-content {
    flex: 1;
    min-width: 0;
    text-align: left;
}

.suggestion-text {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
    font-family: var(--font-body);
    color: var(--color-text-primary);
    line-height: 1.5;
    text-align: left;
}

.suggestion-text mark {
    background: transparent;
    color: var(--color-text-primary);
    font-weight: var(--font-weight-normal);
}

.suggestion-subtext {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    margin-top: calc(var(--space-1) / 2);
}

/* ========================================
   SUGGESTION TYPES & BADGES
   ======================================== */
.suggestion-ticker {
    font-weight: var(--font-weight-normal);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.suggestion-company {
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
}

.suggestion-type-badge {
    display: inline-block;
    padding: calc(var(--space-1) / 2) var(--space-2);
    background: var(--color-surface-secondary);
    border: 1px solid var(--color-border-primary);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ========================================
   LOADING STATE
   ======================================== */
.suggestion-loading {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    color: var(--color-text-secondary);
}

.suggestion-loading .spinner {
    width: var(--space-4);
    height: var(--space-4);
    border: 2px solid var(--color-border-primary);
    border-top-color: var(--color-interactive-primary);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

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

.suggestion-loading-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ========================================
   RECENT SEARCH CHIPS
   ======================================== */
.recent-search-chips {
    max-width: 600px;
    margin: var(--space-4) auto 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    justify-content: center;
    padding: var(--space-2) 0;
}

.recent-search-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-4);
    background: var(--color-surface-primary);
    border: 1px solid var(--color-border-primary);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
    font-family: var(--font-body);
    cursor: pointer;
    transition: all var(--motion-dur-fast) var(--motion-ease);
    max-width: calc(var(--space-16) * 2);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.recent-search-chip:hover {
    background: var(--color-surface-secondary);
    border-color: var(--color-interactive-primary);
    color: var(--color-interactive-primary);
    transform: translateY(calc(var(--space-1) * -0.25));
}

/* ========================================
   CONTEXT HEADER (OPTIONAL)
   ======================================== */
.suggestion-context-header {
    padding: var(--space-2) var(--space-4);
    background: var(--color-surface-secondary);
    border-bottom: 1px solid var(--color-border-primary);
}

.suggestion-context-title {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ========================================
   KEYBOARD NAVIGATION & SCROLL HIGHLIGHT
   ======================================== */
.intelligent-suggestion-item.keyboard-selected {
    background: var(--color-interactive-primary-subtle) !important;
    border-left: calc(var(--space-1) * 0.5) solid var(--color-interactive-primary);
}

/* Smooth scroll behavior for dropdown */
.intelligent-suggestions-dropdown {
    scroll-behavior: smooth;
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes suggestionSlideIn {
    from {
        opacity: 0;
        transform: translateY(calc(var(--space-1) * -1));
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.intelligent-suggestion-item {
    animation: suggestionSlideIn var(--motion-dur-std) var(--motion-ease);
}

/* ========================================
   RESPONSIVE ADJUSTMENTS
   ======================================== */
@media (max-width: 768px) {
    .intelligent-suggestion-item {
        padding: var(--space-2) var(--space-3);
    }
    
    .suggestion-text {
        font-size: var(--font-size-sm);
    }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    .intelligent-suggestion-item {
        animation: none;
        transition: none;
    }
    
    .intelligent-suggestion-item:hover {
        transform: none;
    }
}

@media (prefers-contrast: high) {
    .intelligent-suggestion-item {
        border-width: 2px;
    }
    
    .intelligent-suggestion-item:hover,
    .intelligent-suggestion-item.active {
        border-width: 2px;
    }
}