/* =================================================================
   search.css — ⌘K Search dialog
   Trigger button · Overlay · Dialog · Input · Results · Footer
   ================================================================= */

/* ─── Search Trigger Button (header) ─────────────────────────────── */

.header__search {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 34px;
    padding: 0 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-dim);
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: var(--fs-sm);
    transition:
        color 0.15s,
        background 0.15s,
        border-color 0.15s;
}

.header__search:hover {
    color: var(--text-muted);
    background: var(--bg-card);
    border-color: var(--border-hover);
}

.header__search-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.header__search-kbd {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 2px 5px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    background: var(--surface-container);
    color: var(--text-dim);
    font-family: var(--font-sans);
    font-size: 11px;
    line-height: 1;
    pointer-events: none;
}

/* ─── Overlay ────────────────────────────────────────────────────── */

.search-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 20vh;
    background: var(--overlay-bg);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition:
        opacity 0.15s ease-out,
        visibility 0s 0.15s;
}

.search-overlay--visible {
    opacity: 1;
    visibility: visible;
    transition:
        opacity 0.15s ease-out,
        visibility 0s;
}

/* ─── Dialog ─────────────────────────────────────────────────────── */

.search-dialog {
    width: 90vw;
    max-width: 640px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow:
        0 8px 30px rgba(0, 0, 0, 0.35),
        0 0 1px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    opacity: 0;
    transform: scale(0.98);
    transition:
        opacity 0.15s ease-out,
        transform 0.15s ease-out;
}

.search-dialog--visible {
    opacity: 1;
    transform: scale(1);
}

[data-theme-mode="light"] .search-dialog {
    box-shadow:
        0 8px 30px rgba(0, 0, 0, 0.12),
        0 0 1px rgba(0, 0, 0, 0.08),
        0 0 0 1px rgba(0, 0, 0, 0.04);
}

/* ─── Input Area ─────────────────────────────────────────────────── */

.search-dialog__input-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.search-dialog__input-icon {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    color: var(--text-dim);
}

.search-dialog__input {
    flex: 1;
    min-width: 0;
    border: none;
    outline: none;
    box-shadow: none;
    background: transparent;
    color: var(--text);
    font-family: var(--font-sans);
    font-size: var(--fs-lg);
    line-height: 1.5;
}

.search-dialog__input::placeholder {
    color: var(--text-dim);
}

.search-dialog__input:focus-visible {
    outline: none;
}

.search-dialog__input-esc {
    flex-shrink: 0;
    padding: 2px 6px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    background: var(--surface-container);
    color: var(--text-dim);
    font-family: var(--font-sans);
    font-size: 11px;
    line-height: 1;
    cursor: pointer;
}

.search-dialog__input-esc:hover {
    border-color: var(--border-hover);
    color: var(--text-muted);
}

/* ─── Results ────────────────────────────────────────────────────── */

.search-dialog__results {
    max-height: 420px;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 10px;
}

.search-dialog__results::-webkit-scrollbar {
    width: 4px;
}

.search-dialog__results::-webkit-scrollbar-track {
    background: transparent;
}

.search-dialog__results::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 2px;
}

/* ─── Result Group ───────────────────────────────────────────────── */

.search-dialog__group {
    padding: 0 0 4px;
}

.search-dialog__group + .search-dialog__group {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
}

.search-dialog__group-label {
    padding: 4px 8px 6px;
    color: var(--text-dim);
    font-family: var(--font-sans);
    font-size: var(--fs-xs);
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

/* ─── Result Item ────────────────────────────────────────────────── */

.search-dialog__result {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    transition: background 0.1s;
}

.search-dialog__result:hover {
    background: var(--bg-card-hover);
}

.search-dialog__result--active {
    background: var(--accent-dim);
}

.search-dialog__result--active:hover {
    background: var(--accent-dim);
}

.search-dialog__result-body {
    flex: 1;
    min-width: 0;
}

.search-dialog__result-title {
    color: var(--text);
    font-family: var(--font-sans);
    font-size: var(--fs-ui);
    font-weight: 500;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.search-dialog__result--active .search-dialog__result-title {
    color: var(--accent-text);
}

.search-dialog__result-snippet {
    margin-top: 2px;
    color: var(--text-dim);
    font-family: var(--font-sans);
    font-size: var(--fs-sm);
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.search-dialog__result-badge {
    flex-shrink: 0;
    align-self: center;
    padding: 2px 7px;
    border-radius: var(--radius-xs);
    background: var(--surface-container);
    color: var(--text-dim);
    font-family: var(--font-sans);
    font-size: var(--fs-xs);
    line-height: 1.4;
    white-space: nowrap;
}

.search-dialog__result--active .search-dialog__result-badge {
    background: var(--accent-dim);
    color: var(--accent-text);
}

.search-dialog__result-arrow {
    flex-shrink: 0;
    align-self: center;
    width: 14px;
    height: 14px;
    color: var(--text-dim);
    opacity: 0;
    transition: opacity 0.1s;
}

.search-dialog__result:hover .search-dialog__result-arrow,
.search-dialog__result--active .search-dialog__result-arrow {
    opacity: 1;
}

.search-dialog__result--active .search-dialog__result-arrow {
    color: var(--accent-text);
}

/* ─── Empty State ────────────────────────────────────────────────── */

.search-dialog__empty {
    padding: 40px 16px;
    text-align: center;
    color: var(--text-dim);
    font-family: var(--font-sans);
    font-size: var(--fs-ui);
    line-height: 1.5;
}

/* ─── Footer ─────────────────────────────────────────────────────── */

.search-dialog__footer {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 20px;
    border-top: 1px solid var(--border);
}

.search-dialog__footer-hint {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--text-dim);
    font-family: var(--font-sans);
    font-size: var(--fs-xs);
    line-height: 1;
}

.search-dialog__footer-key {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    background: var(--surface-container);
    color: var(--text-dim);
    font-family: var(--font-sans);
    font-size: 11px;
    line-height: 1;
}

/* ─── Responsive ─────────────────────────────────────────────────── */

@media (max-width: 640px) {
    .search-overlay {
        padding-top: 0;
        align-items: flex-start;
    }

    .search-dialog {
        width: 100vw;
        max-width: 100%;
        border-radius: 0;
        border-left: none;
        border-right: none;
        border-top: none;
    }

    .search-dialog__results {
        max-height: 60vh;
    }

    .header__search-kbd {
        display: none;
    }

    .search-dialog__footer {
        flex-wrap: wrap;
        gap: 8px 14px;
    }
}