/**
 * 통합 검색 — 검색바 + 드롭다운 + 결과 페이지 공통 스타일.
 *
 * docs/common/unified-search.md §10 / §11 / §14 참조.
 *
 * - 접두사 us- 통일 (기존 static/css/search.css 와 충돌 회피)
 * - 모든 색상은 theme.css 시맨틱 토큰 사용 → 다크/라이트 자동 분기
 * - prefers-reduced-motion 대응
 */

/* ── 홈 검색 섹션 ─────────────────────────────────── */
.home-unified-search {
    margin: clamp(1rem, 3vw, 1.5rem) 0;
    position: relative;
}

/* ── 검색바 입력 영역 ─────────────────────────────── */
.us-search-wrap {
    position: relative;
    display: flex;
    align-items: center;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    background-color: var(--color-bg-elevated-bright);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.us-search-wrap:focus-within {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.12);
}

html[data-theme="dark"] .us-search-wrap:focus-within {
    box-shadow: 0 0 0 3px rgba(77, 171, 247, 0.18);
}

.us-search-icon {
    flex: 0 0 auto;
    padding: 0 0.5rem 0 0.875rem;
    font-size: 1.1rem;
    color: var(--color-text-secondary);
}

.us-search-input {
    flex: 1 1 auto;
    min-width: 0;
    border: 0;
    background: transparent;
    color: var(--color-text-primary);
    padding: 0.75rem 0.25rem;
    font-size: 16px; /* iOS auto-zoom 방지 */
    line-height: 1.4;
}

.us-search-input:focus {
    outline: none;
}

.us-search-input::placeholder {
    color: var(--color-text-muted);
}

/* WebKit/Blink 의 native search clear(×) 버튼 숨김 — custom #usClear 와의 중복 방지.
   프로젝트 컨벤션(bible-commentary, dictionary-list 등)과 일치. */
.us-search-input::-webkit-search-cancel-button,
.us-search-input::-webkit-search-decoration {
    -webkit-appearance: none;
    appearance: none;
    display: none;
}

.us-search-clear {
    flex: 0 0 auto;
    width: 32px;
    height: 32px;
    margin-right: 0.375rem;
    border: 0;
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.15s ease;
}

.us-search-clear:hover {
    background-color: var(--color-bg-elevated);
}

/* ── 드롭다운 ─────────────────────────────────────── */
.us-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    z-index: 1040;
    max-height: min(70vh, 520px);
    overflow-y: auto;
    background-color: var(--color-bg-elevated-bright);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: 0 10px 24px var(--color-shadow), 0 4px 6px var(--color-shadow);
    padding: 0.5rem 0;
}

.us-group {
    padding: 0.25rem 0;
}

.us-group + .us-group {
    border-top: 1px solid var(--color-border);
    margin-top: 0.25rem;
    padding-top: 0.5rem;
}

.us-group-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    padding: 0.25rem 0.875rem 0.375rem;
}

.us-group-title {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--color-text-secondary);
    letter-spacing: 0.02em;
}

.us-group-see-all {
    font-size: 0.78rem;
    color: var(--color-accent);
    text-decoration: none;
}

.us-group-see-all:hover {
    text-decoration: underline;
}

.us-group-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* ── 항목 ────────────────────────────────────────── */
.us-item {
    margin: 0;
}

.us-item-link {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    padding: 0.5rem 0.875rem;
    color: var(--color-text-primary);
    text-decoration: none;
    transition: background-color 0.1s ease;
    border-left: 2px solid transparent;
    line-height: 1.45;
}

.us-item-link:hover,
.us-item-active > .us-item-link {
    background-color: var(--color-bg-elevated-strong-hover);
    border-left-color: var(--color-accent);
}

html[data-theme="dark"] .us-item-link:hover,
html[data-theme="dark"] .us-item-active > .us-item-link {
    background-color: var(--color-bg-elevated);
}

.us-item-icon {
    flex: 0 0 auto;
    font-size: 1rem;
}

.us-item-text {
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.us-item-term {
    flex: 0 0 auto;
    font-weight: 600;
    white-space: nowrap;
}

.us-item-ref {
    flex: 0 0 auto;
    font-weight: 600;
    color: var(--color-accent);
    font-size: 0.9rem;
}

.us-item-sep {
    color: var(--color-text-muted);
}

.us-item-desc {
    flex: 1 1 auto;
    min-width: 0;
    color: var(--color-text-secondary);
    font-size: 0.88rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.us-item-badge {
    flex: 0 0 auto;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.1rem 0.4rem;
    border-radius: 6px;
    line-height: 1.4;
    white-space: nowrap;
}

.us-item-badge-auth {
    background-color: var(--color-bg-elevated-strong);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

/* ── 빈 상태 ──────────────────────────────────────── */
.us-empty {
    padding: 1.25rem 1rem;
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* ── 결과 페이지 전용 ─────────────────────────────── */
.unified-search-page .us-page-search-wrap {
    position: relative;
    display: flex;
    align-items: center;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    background-color: var(--color-bg-elevated-bright);
    margin-bottom: clamp(1rem, 3vw, 1.5rem);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.unified-search-page .us-page-search-wrap:focus-within {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.12);
}

html[data-theme="dark"] .unified-search-page .us-page-search-wrap:focus-within {
    box-shadow: 0 0 0 3px rgba(77, 171, 247, 0.18);
}

.us-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: clamp(0.75rem, 2vw, 1.25rem);
    padding-bottom: 0;
}

.us-tab {
    appearance: none;
    border: 0;
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.5rem 0.875rem;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.us-tab:hover {
    color: var(--color-text-primary);
}

.us-tab-active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
    font-weight: 700;
}

.us-tab-count {
    margin-left: 0.25rem;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-variant-numeric: tabular-nums;
}

.us-tab-active .us-tab-count {
    color: var(--color-accent);
}

.us-page-loading {
    color: var(--color-text-secondary);
}

.us-page-empty {
    padding: 2rem 1rem;
    text-align: center;
    color: var(--color-text-secondary);
}

.us-result-section + .us-result-section {
    margin-top: clamp(1.25rem, 3vw, 1.75rem);
}

.us-result-section-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text-secondary);
    margin: 0 0 0.5rem;
    letter-spacing: 0.02em;
}

.us-result-list {
    list-style: none;
    padding: 0;
    margin: 0;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    overflow: hidden;
    background-color: var(--color-bg-elevated-bright);
}

.us-result-item + .us-result-item {
    border-top: 1px solid var(--color-border);
}

.us-result-link {
    position: relative;
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    /* 우측 chevron 자리 확보 + hover 시 jump 방지용 좌측 보더 예약 */
    padding: 0.8rem 2rem 0.8rem 0.875rem;
    border-left: 3px solid transparent;
    color: var(--color-text-primary);
    text-decoration: none;
    transition: background-color 0.12s ease, border-color 0.12s ease;
}

.us-result-link:hover {
    background-color: var(--color-bg-elevated-strong-hover);
    border-left-color: var(--color-accent);
}

html[data-theme="dark"] .us-result-link:hover {
    background-color: var(--color-bg-elevated);
}

/* 드릴인 affordance — 항목 우측 상단 chevron */
.us-result-link::after {
    content: "›";
    position: absolute;
    top: 0.7rem;
    right: 0.875rem;
    color: var(--color-text-muted);
    font-size: 1.15rem;
    line-height: 1.4;
    pointer-events: none;
}

@media (hover: hover) and (pointer: fine) {
    .us-result-link::after {
        transition: transform 0.15s ease, color 0.15s ease;
    }
    .us-result-link:hover::after {
        transform: translateX(3px);
        color: var(--color-accent);
    }
}

/* dict / menu / 구절 카드형 column 레이아웃. 카드 전체가 클릭 가능. */
.us-result-link-block {
    flex-direction: column;
    align-items: stretch;
    gap: 0.3rem;
}

.us-result-head {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    width: 100%;
    min-width: 0;
}

.us-result-icon {
    flex: 0 0 auto;
}

.us-result-ref {
    flex: 0 0 auto;
    color: var(--color-accent);
    font-weight: 700;
    font-size: 0.88rem;
    letter-spacing: 0.01em;
    font-variant-numeric: tabular-nums;
}

/* 사전 표제어는 본문 톤(굵게)으로 — 참조보다 제목 성격 */
.us-result-term {
    color: var(--color-text-primary);
    font-size: 1rem;
}

.us-result-text {
    flex: 1 1 auto;
    min-width: 0;
    color: var(--color-text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 구절 본문 스니펫 — 참조 라벨 아래 2줄 클램프 */
.us-result-snippet {
    margin: 0;
    color: var(--color-text-primary);
    font-size: 0.92rem;
    line-height: 1.55;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    overflow: hidden;
    word-break: break-word;
}

.us-result-desc {
    margin: 0;
    padding: 0;
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
    /* 사전 description 등 긴 본문은 2줄로 제한 */
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: break-word;
}

/* 검색어 하이라이트 */
.us-result-mark {
    background-color: rgba(13, 110, 253, 0.14);
    color: inherit;
    padding: 0 0.12em;
    border-radius: 3px;
    font-weight: 600;
}

html[data-theme="dark"] .us-result-mark {
    background-color: rgba(77, 171, 247, 0.26);
}

.us-result-badge {
    flex: 0 0 auto;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.1rem 0.4rem;
    border-radius: 6px;
    line-height: 1.4;
    white-space: nowrap;
}

.us-result-badge-auth {
    background-color: var(--color-bg-elevated-strong);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.us-more-btn {
    appearance: none;
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-elevated-bright);
    color: var(--color-text-primary);
    padding: 0.5rem 1.25rem;
    border-radius: 999px;
    cursor: pointer;
    font-size: 0.9rem;
    margin-top: 0.75rem;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.us-more-btn:hover {
    background-color: var(--color-bg-elevated-strong-hover);
    border-color: var(--color-accent);
}

.us-more-btn:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

/* ── 모바일 ──────────────────────────────────────── */
@media (max-width: 576px) {
    .us-dropdown {
        max-height: 60vh;
    }
    .us-item-link {
        padding: 0.625rem 0.75rem;
    }
    .us-result-link {
        padding: 0.7rem 1.75rem 0.7rem 0.75rem;
    }
    .us-result-link::after {
        right: 0.625rem;
    }
    .us-item-text,
    .us-item-desc {
        font-size: 0.9rem;
    }
}

/* ── reduced-motion ───────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .us-search-wrap,
    .us-search-clear,
    .us-item-link,
    .us-result-link,
    .us-result-link::after,
    .us-tab,
    .us-more-btn {
        transition: none !important;
    }
}