/* ═══════════════════════════════════════════════════════════════
   SSearch — Smart Search Component  (static, non-scoped)
   Bootstrap 5 + BI icons compatible
   Default: light theme | auto-switches to dark via prefers-color-scheme
   ═══════════════════════════════════════════════════════════════ */

/* ── CSS Variables: Light theme (default) ───────────────────── */
.ssearch-backdrop {
    --ssearch-backdrop-color:     rgba(0, 0, 0, 0.45);
    --ssearch-popup-bg:           #ffffff;
    --ssearch-popup-border:       rgba(0, 0, 0, 0.10);
    --ssearch-popup-shadow:       0 8px 32px rgba(0, 0, 0, 0.18), 0 0 0 1px rgba(108, 99, 255, 0.20);
    --ssearch-header-bg:          #f8f9fa;
    --ssearch-header-border:      rgba(0, 0, 0, 0.08);
    --ssearch-input-bg:           rgba(0, 0, 0, 0.04);
    --ssearch-input-border:       rgba(0, 0, 0, 0.10);
    --ssearch-input-color:        #212529;
    --ssearch-input-placeholder:  #9ca3af;
    --ssearch-input-icon-color:   #9ca3af;
    --ssearch-clear-color:        #9ca3af;
    --ssearch-clear-hover-color:  #212529;
    --ssearch-close-border:       rgba(0, 0, 0, 0.12);
    --ssearch-close-color:        #6c757d;
    --ssearch-close-hover-bg:     rgba(0, 0, 0, 0.05);
    --ssearch-close-hover-color:  #212529;
    --ssearch-accent:             #6c63ff;
    --ssearch-accent-focus-ring:  rgba(108, 99, 255, 0.25);
    --ssearch-accent-bg:          rgba(108, 99, 255, 0.08);
    --ssearch-accent-bg-strong:   rgba(108, 99, 255, 0.16);
    --ssearch-item-color:         #212529;
    --ssearch-item-subtitle:      #6c757d;
    --ssearch-item-icon-bg:       rgba(0, 0, 0, 0.04);
    --ssearch-item-icon-border:   rgba(0, 0, 0, 0.08);
    --ssearch-item-icon-color:    #6c63ff;
    --ssearch-item-arrow-color:   #9ca3af;
    --ssearch-category-color:     #6c63ff;
    --ssearch-category-line:      rgba(0, 0, 0, 0.08);
    --ssearch-empty-color:        #6c757d;
    --ssearch-footer-bg:          #f8f9fa;
    --ssearch-footer-border:      rgba(0, 0, 0, 0.08);
    --ssearch-footer-color:       #6c757d;
    --ssearch-kbd-bg:             rgba(0, 0, 0, 0.06);
    --ssearch-kbd-border:         rgba(0, 0, 0, 0.10);
    --ssearch-scrollbar:          rgba(0, 0, 0, 0.15);
    --ssearch-skeleton-base:      #e9ecef;
    --ssearch-skeleton-shine:     rgba(255, 255, 255, 0.90);
}

/* ── CSS Variables: Dark theme (auto via prefers-color-scheme) ── */
@media (prefers-color-scheme: dark) {
    .ssearch-backdrop:not(.ssearch-theme-light) {
        --ssearch-backdrop-color:     rgba(0, 0, 0, 0.65);
        --ssearch-popup-bg:           #1e1e2e;
        --ssearch-popup-border:       rgba(255, 255, 255, 0.08);
        --ssearch-popup-shadow:       0 8px 32px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(108, 99, 255, 0.25);
        --ssearch-header-bg:          #2a2a3d;
        --ssearch-header-border:      rgba(255, 255, 255, 0.08);
        --ssearch-input-bg:           rgba(255, 255, 255, 0.04);
        --ssearch-input-border:       rgba(255, 255, 255, 0.08);
        --ssearch-input-color:        #e2e2f0;
        --ssearch-input-placeholder:  #8888aa;
        --ssearch-input-icon-color:   #8888aa;
        --ssearch-clear-color:        #8888aa;
        --ssearch-clear-hover-color:  #e2e2f0;
        --ssearch-close-border:       rgba(255, 255, 255, 0.08);
        --ssearch-close-color:        #8888aa;
        --ssearch-close-hover-bg:     rgba(255, 255, 255, 0.07);
        --ssearch-close-hover-color:  #e2e2f0;
        --ssearch-accent-focus-ring:  rgba(108, 99, 255, 0.25);
        --ssearch-accent-bg:          rgba(108, 99, 255, 0.12);
        --ssearch-accent-bg-strong:   rgba(108, 99, 255, 0.22);
        --ssearch-item-color:         #e2e2f0;
        --ssearch-item-subtitle:      #8888aa;
        --ssearch-item-icon-bg:       rgba(255, 255, 255, 0.05);
        --ssearch-item-icon-border:   rgba(255, 255, 255, 0.08);
        --ssearch-item-icon-color:    #6c63ff;
        --ssearch-item-arrow-color:   #8888aa;
        --ssearch-category-line:      rgba(255, 255, 255, 0.08);
        --ssearch-empty-color:        #8888aa;
        --ssearch-footer-bg:          #2a2a3d;
        --ssearch-footer-border:      rgba(255, 255, 255, 0.08);
        --ssearch-footer-color:       #8888aa;
        --ssearch-kbd-bg:             rgba(255, 255, 255, 0.06);
        --ssearch-kbd-border:         rgba(255, 255, 255, 0.08);
        --ssearch-scrollbar:          rgba(255, 255, 255, 0.12);
        --ssearch-skeleton-base:      #2a2a3d;
        --ssearch-skeleton-shine:     rgba(255, 255, 255, 0.06);
    }
}

/* ── CSS Variables: Explicit dark override (.ssearch-theme-dark) ─ */
.ssearch-theme-dark {
    --ssearch-backdrop-color:     rgba(0, 0, 0, 0.65);
    --ssearch-popup-bg:           #1e1e2e;
    --ssearch-popup-border:       rgba(255, 255, 255, 0.08);
    --ssearch-popup-shadow:       0 8px 32px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(108, 99, 255, 0.25);
    --ssearch-header-bg:          #2a2a3d;
    --ssearch-header-border:      rgba(255, 255, 255, 0.08);
    --ssearch-input-bg:           rgba(255, 255, 255, 0.04);
    --ssearch-input-border:       rgba(255, 255, 255, 0.08);
    --ssearch-input-color:        #e2e2f0;
    --ssearch-input-placeholder:  #8888aa;
    --ssearch-input-icon-color:   #8888aa;
    --ssearch-clear-color:        #8888aa;
    --ssearch-clear-hover-color:  #e2e2f0;
    --ssearch-close-border:       rgba(255, 255, 255, 0.08);
    --ssearch-close-color:        #8888aa;
    --ssearch-close-hover-bg:     rgba(255, 255, 255, 0.07);
    --ssearch-close-hover-color:  #e2e2f0;
    --ssearch-accent-focus-ring:  rgba(108, 99, 255, 0.25);
    --ssearch-accent-bg:          rgba(108, 99, 255, 0.12);
    --ssearch-accent-bg-strong:   rgba(108, 99, 255, 0.22);
    --ssearch-item-color:         #e2e2f0;
    --ssearch-item-subtitle:      #8888aa;
    --ssearch-item-icon-bg:       rgba(255, 255, 255, 0.05);
    --ssearch-item-icon-border:   rgba(255, 255, 255, 0.08);
    --ssearch-item-icon-color:    #6c63ff;
    --ssearch-item-arrow-color:   #8888aa;
    --ssearch-category-line:      rgba(255, 255, 255, 0.08);
    --ssearch-empty-color:        #8888aa;
    --ssearch-footer-bg:          #2a2a3d;
    --ssearch-footer-border:      rgba(255, 255, 255, 0.08);
    --ssearch-footer-color:       #8888aa;
    --ssearch-kbd-bg:             rgba(255, 255, 255, 0.06);
    --ssearch-kbd-border:         rgba(255, 255, 255, 0.08);
    --ssearch-scrollbar:          rgba(255, 255, 255, 0.12);
    --ssearch-skeleton-base:      #2a2a3d;
    --ssearch-skeleton-shine:     rgba(255, 255, 255, 0.06);
}

/* ── Trigger button ───────────────────────────────────────────── */
.ssearch-trigger {
    /* layout */
    display: flex;
    align-items: center;
    width: 100%;
    gap: 0.55rem;
    padding: 0.45rem 0.75rem;
    /* appearance */
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.11);
    border-radius: 10px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    /* text */
    color: #9ca3af;
    font-size: 0.875rem;
    font-weight: 400;
    line-height: 1.5;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    cursor: pointer;
    /* animation */
    transition: border-color 180ms cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow   180ms cubic-bezier(0.4, 0, 0.2, 1),
                background   180ms cubic-bezier(0.4, 0, 0.2, 1),
                color        180ms cubic-bezier(0.4, 0, 0.2, 1);
}

.ssearch-trigger:hover {
    background: rgba(108, 99, 255, 0.04);
    border-color: rgba(108, 99, 255, 0.35);
    box-shadow: 0 2px 8px rgba(108, 99, 255, 0.10);
    color: #6b7280;
}

.ssearch-trigger:focus-visible {
    outline: none;
    border-color: #6c63ff;
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.20);
}

.ssearch-trigger:active {
    transform: scale(0.99);
}

.ssearch-trigger-icon {
    font-size: 0.95rem;
    flex-shrink: 0;
    opacity: 0.55;
}

.ssearch-trigger-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ssearch-trigger-kbd {
    display: inline-flex;
    align-items: center;
    gap: 0.15rem;
    flex-shrink: 0;
    padding: 0.15rem 0.4rem;
    font-size: 0.7rem;
    font-family: inherit;
    color: #9ca3af;
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.10);
    border-radius: 5px;
    letter-spacing: 0.02em;
    pointer-events: none;
}

@media (prefers-color-scheme: dark) {
    .ssearch-trigger {
        background: rgba(255, 255, 255, 0.04);
        border-color: rgba(255, 255, 255, 0.10);
        box-shadow: none;
    }

    .ssearch-trigger:hover {
        background: rgba(108, 99, 255, 0.08);
        border-color: rgba(108, 99, 255, 0.40);
        color: #c9c9d8;
    }

    .ssearch-trigger-kbd {
        background: rgba(255, 255, 255, 0.06);
        border-color: rgba(255, 255, 255, 0.10);
    }
}

/* ── Backdrop ─────────────────────────────────────────────────── */
.ssearch-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1080;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0);
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    transition: background 210ms cubic-bezier(0.4, 0, 0.2, 1),
                backdrop-filter 210ms cubic-bezier(0.4, 0, 0.2, 1);
}

.ssearch-backdrop--visible {
    background: var(--ssearch-backdrop-color);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

/* ── Popup card ───────────────────────────────────────────────── */
.ssearch-popup {
    width: min(680px, 96vw);
    max-height: min(520px, 85vh);
    background: var(--ssearch-popup-bg);
    border: 1px solid var(--ssearch-popup-border);
    border-radius: 16px;
    box-shadow: var(--ssearch-popup-shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    transform: scale(0.94) translateY(-12px);
    transition: opacity 210ms cubic-bezier(0.4, 0, 0.2, 1),
                transform 210ms cubic-bezier(0.4, 0, 0.2, 1);
}

.ssearch-popup--visible {
    opacity: 1;
    transform: scale(1) translateY(0);
}

/* ── Header ───────────────────────────────────────────────────── */
.ssearch-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--ssearch-header-border);
    background: var(--ssearch-header-bg);
    flex-shrink: 0;
}

.ssearch-input-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--ssearch-input-bg);
    border: 1px solid var(--ssearch-input-border);
    border-radius: 10px;
    padding: 0.45rem 0.75rem;
    transition: border-color 210ms cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 210ms cubic-bezier(0.4, 0, 0.2, 1);
}

.ssearch-input-wrapper:focus-within {
    border-color: var(--ssearch-accent);
    box-shadow: 0 0 0 3px var(--ssearch-accent-focus-ring);
}

.ssearch-input-icon {
    color: var(--ssearch-input-icon-color);
    font-size: 1.05rem;
    flex-shrink: 0;
    transition: color 210ms cubic-bezier(0.4, 0, 0.2, 1);
}

.ssearch-input-icon--spin {
    color: var(--ssearch-accent);
    animation: ssearch-pulse 1s ease-in-out infinite;
}

.ssearch-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--ssearch-input-color);
    font-size: 1rem;
    caret-color: var(--ssearch-accent);
    min-width: 0;
}

.ssearch-input::placeholder {
    color: var(--ssearch-input-placeholder);
}

.ssearch-clear-btn {
    background: transparent;
    border: none;
    color: var(--ssearch-clear-color);
    cursor: pointer;
    padding: 0;
    line-height: 1;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    transition: color 210ms cubic-bezier(0.4, 0, 0.2, 1);
}

.ssearch-clear-btn:hover {
    color: var(--ssearch-clear-hover-color);
}

.ssearch-close-btn {
    background: transparent;
    border: 1px solid var(--ssearch-close-border);
    border-radius: 8px;
    color: var(--ssearch-close-color);
    cursor: pointer;
    padding: 0.3rem 0.5rem;
    line-height: 1;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    flex-shrink: 0;
    transition: all 210ms cubic-bezier(0.4, 0, 0.2, 1);
}

.ssearch-close-btn:hover {
    background: var(--ssearch-close-hover-bg);
    color: var(--ssearch-close-hover-color);
    border-color: var(--ssearch-close-border);
}

/* ── Body ─────────────────────────────────────────────────────── */
.ssearch-body {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: var(--ssearch-scrollbar) transparent;
}

.ssearch-body::-webkit-scrollbar { width: 5px; }
.ssearch-body::-webkit-scrollbar-track { background: transparent; }
.ssearch-body::-webkit-scrollbar-thumb { background: var(--ssearch-scrollbar); border-radius: 4px; }

/* ── Empty / Placeholder ──────────────────────────────────────── */
.ssearch-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 3rem 1.5rem;
    color: var(--ssearch-empty-color);
    text-align: center;
    font-size: 0.95rem;
    animation: ssearch-fadein 0.2s ease;
}

.ssearch-empty-icon {
    font-size: 2.5rem;
    opacity: 0.35;
    margin-bottom: 0.25rem;
}

.ssearch-empty--placeholder .ssearch-empty-icon {
    animation: ssearch-float 3s ease-in-out infinite;
}

.ssearch-empty-hint {
    font-size: 0.8rem;
    opacity: 0.6;
}

/* ── Skeleton loading ─────────────────────────────────────────── */
.ssearch-loading {
    padding: 0.5rem 0;
    animation: ssearch-fadein 0.15s ease;
}

.ssearch-skeleton {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.75rem 1.25rem;
}

.ssearch-skeleton-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(90deg,
        var(--ssearch-skeleton-base) 25%,
        var(--ssearch-skeleton-shine) 50%,
        var(--ssearch-skeleton-base) 75%);
    background-size: 200% 100%;
    animation: ssearch-shimmer 1.4s infinite;
    flex-shrink: 0;
}

.ssearch-skeleton-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.ssearch-skeleton-line {
    height: 11px;
    border-radius: 6px;
    background: linear-gradient(90deg,
        var(--ssearch-skeleton-base) 25%,
        var(--ssearch-skeleton-shine) 50%,
        var(--ssearch-skeleton-base) 75%);
    background-size: 200% 100%;
    animation: ssearch-shimmer 1.4s infinite;
}

.ssearch-skeleton-line--title { width: 55%; }
.ssearch-skeleton-line--sub   { width: 80%; opacity: 0.5; }

/* ── Category label ───────────────────────────────────────────── */
.ssearch-category-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.25rem 0.3rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ssearch-category-color);
    opacity: 0.85;
}

.ssearch-category-label::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--ssearch-category-line);
}

/* ── Results ──────────────────────────────────────────────────── */
.ssearch-results {
    padding: 0.35rem 0;
    animation: ssearch-fadein 0.18s ease;
}

/* ── Single item ──────────────────────────────────────────────── */
.ssearch-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.6rem 1.25rem;
    cursor: pointer;
    transition: background 210ms cubic-bezier(0.4, 0, 0.2, 1);
}

.ssearch-item:hover,
.ssearch-item--selected {
    background: var(--ssearch-accent-bg);
}

.ssearch-item--selected {
    background: var(--ssearch-accent-bg-strong);
}

.ssearch-item-icon-wrap {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--ssearch-item-icon-bg);
    border: 1px solid var(--ssearch-item-icon-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--ssearch-item-icon-color);
    flex-shrink: 0;
    transition: background 210ms cubic-bezier(0.4, 0, 0.2, 1),
                border-color 210ms cubic-bezier(0.4, 0, 0.2, 1);
}

.ssearch-item:hover .ssearch-item-icon-wrap,
.ssearch-item--selected .ssearch-item-icon-wrap {
    background: var(--ssearch-accent-bg-strong);
    border-color: var(--ssearch-accent);
}

.ssearch-item-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.18rem;
    min-width: 0;
}

.ssearch-item-title {
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--ssearch-item-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ssearch-item-subtitle {
    font-size: 0.78rem;
    color: var(--ssearch-item-subtitle);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ssearch-item-right {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-shrink: 0;
}

.ssearch-item-badge {
    font-size: 0.7rem;
    padding: 0.2em 0.55em;
}

.ssearch-item-arrow {
    color: var(--ssearch-item-arrow-color);
    font-size: 1.2rem;
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity 210ms cubic-bezier(0.4, 0, 0.2, 1),
                transform 210ms cubic-bezier(0.4, 0, 0.2, 1),
                color 210ms cubic-bezier(0.4, 0, 0.2, 1);
}

.ssearch-item:hover .ssearch-item-arrow,
.ssearch-item--selected .ssearch-item-arrow {
    opacity: 1;
    transform: translateX(0);
    color: var(--ssearch-accent);
}

/* ── Footer ───────────────────────────────────────────────────── */
.ssearch-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.55rem 1.25rem;
    border-top: 1px solid var(--ssearch-footer-border);
    background: var(--ssearch-footer-bg);
    flex-shrink: 0;
    font-size: 0.75rem;
    color: var(--ssearch-footer-color);
}

.ssearch-footer-count {
    display: flex;
    align-items: center;
}

.ssearch-footer-hint {
    display: flex;
    align-items: center;
    gap: 0.15rem;
}

.ssearch-footer-hint kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 18px;
    padding: 0 4px;
    font-size: 0.65rem;
    font-family: inherit;
    color: var(--ssearch-footer-color);
    background: var(--ssearch-kbd-bg);
    border: 1px solid var(--ssearch-kbd-border);
    border-radius: 4px;
}

/* ── Animations ───────────────────────────────────────────────── */
@keyframes ssearch-fadein {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes ssearch-slidein {
    from { opacity: 0; transform: translateX(-8px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes ssearch-shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

@keyframes ssearch-pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.4; }
}

@keyframes ssearch-float {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-6px); }
}

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 576px) {
    .ssearch-backdrop {
        padding-top: 0;
        align-items: flex-end;
    }

    .ssearch-popup {
        width: 100%;
        max-height: 80vh;
        border-radius: 16px 16px 0 0;
        transform: scale(1) translateY(40px);
    }

    .ssearch-popup--visible {
        transform: scale(1) translateY(0);
    }

    .ssearch-footer-hint { display: none; }
}