/* ============================================
   组件：搜索区
   依赖：themes/*.css
   结构：.search-hero > .search-box > (图标 / input / 清除按钮)
   ============================================ */

.search-hero {
    padding: 1.5rem 0 1rem;
    text-align: center;
    animation: fade-up .45s cubic-bezier(.22, 1, .36, 1) both;
}

.search-hero__title {
    font-size: clamp(1.25rem, 1rem + 2vw, 1.9rem);
    font-weight: 700;
    margin-bottom: .25rem;
}

.search-hero__desc {
    color: var(--app-text-muted);
    font-size: .9rem;
    margin-bottom: 1.1rem;
}

/* ---------- 搜索框 ---------- */
.search-box {
    position: relative;
    display: flex;
    align-items: center;
    max-width: 560px;
    margin: 0 auto;
    background: var(--app-surface);
    border: 1px solid var(--app-border);
    border-radius: 999px;
    box-shadow: var(--app-shadow);
    transition: border-color .18s ease, box-shadow .18s ease;
}
.search-box:focus-within {
    border-color: var(--app-accent);
    box-shadow: 0 0 0 4px var(--app-accent-soft);
}

.search-box__icon {
    display: flex;
    align-items: center;
    padding-left: 1.1rem;
    color: var(--app-text-muted);
    font-size: 1rem;
    flex-shrink: 0;
}

.search-box__input {
    flex: 1;
    min-width: 0;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--app-text);
    font-size: .95rem;
    padding: .7rem .75rem;
}
.search-box__input::placeholder {
    color: var(--app-text-muted);
    opacity: .8;
}

/* 快捷键提示 */
.search-box__kbd {
    display: none;
    align-items: center;
    gap: .2rem;
    margin-right: .5rem;
    flex-shrink: 0;
}
.search-box__kbd kbd {
    display: inline-block;
    min-width: 22px;
    padding: .1rem .35rem;
    font-size: .72rem;
    font-family: inherit;
    text-align: center;
    color: var(--app-text-muted);
    background: var(--app-surface-alt);
    border: 1px solid var(--app-border);
    border-bottom-width: 2px;
    border-radius: 5px;
}

.search-box__clear {
    display: none;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    margin-right: .55rem;
    border: 0;
    border-radius: 50%;
    background: var(--app-surface-alt);
    color: var(--app-text-muted);
    cursor: pointer;
    flex-shrink: 0;
    transition: color .15s ease, background-color .15s ease;
}
.search-box__clear:hover {
    color: var(--app-text);
    background: var(--app-border);
}
.search-box.has-value .search-box__clear {
    display: inline-flex;
}
.search-box.has-value .search-box__kbd {
    display: none;
}

/* ---------- 结果统计 ---------- */
.search-meta {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: .5rem;
    margin-top: 1rem;
    font-size: .85rem;
    color: var(--app-text-muted);
}
.search-meta strong {
    color: var(--app-text);
    font-weight: 600;
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
    .search-hero {
        padding: 2.25rem 0 1.25rem;
    }
    .search-box__kbd {
        display: inline-flex;
    }
    .search-box__input {
        font-size: 1rem;
        padding: .8rem .9rem;
    }
}