/* ============================================================
 * 全站工具搜索浮层 - 样式
 * 引入：<link rel="stylesheet" href="assets/search.css">
 * 配套脚本：assets/search.js
 * ============================================================ */

/* ---------- 触发按钮（除首页外自动挂载在右下角） ---------- */
.vivi-search-fab {
    position: fixed;
    right: 18px;
    bottom: 130px; /* 让出主题切换 (84) 和回到顶部 */
    z-index: 99996;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0 12px 0 10px;
    height: 38px;
    border: 1px solid var(--border, #ececf3);
    background: var(--card-bg, #fff);
    color: var(--text-2, #6b7280);
    border-radius: 999px;
    font-size: 13px;
    cursor: pointer;
    box-shadow: var(--shadow-md, 0 4px 14px rgba(15, 23, 42, 0.06));
    user-select: none;
    transition: transform .15s, color .15s, border-color .15s;
}
.vivi-search-fab:hover {
    color: var(--primary, #6366f1);
    border-color: var(--primary, #6366f1);
    transform: translateY(-2px);
}
.vivi-search-fab .ic { font-size: 14px; }
.vivi-search-fab .lbl { font-weight: 500; }
.vivi-search-fab kbd {
    font-family: -apple-system, 'Segoe UI', sans-serif;
    font-size: 11px;
    padding: 1px 6px;
    border: 1px solid var(--border, #ececf3);
    border-radius: 5px;
    color: var(--text-3, #9ca3af);
    background: var(--bg, #f7f8fc);
    line-height: 1.3;
}

/* ---------- 遮罩 + 模态 ---------- */
.vivi-search-mask {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    z-index: 99999;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding: 80px 16px 16px;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    animation: vivi-fade-in .12s ease;
}
.vivi-search-mask.show {
    display: flex;
}
@keyframes vivi-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.vivi-search-modal {
    width: min(640px, 100%);
    max-height: calc(100vh - 96px);
    background: var(--card-bg, #fff);
    color: var(--text, #1f2330);
    border-radius: 14px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25), 0 6px 18px rgba(0, 0, 0, 0.12);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: vivi-pop .14s ease;
    border: 1px solid var(--border, #ececf3);
}
@keyframes vivi-pop {
    from { transform: translateY(-8px) scale(.98); opacity: 0; }
    to { transform: translateY(0) scale(1); opacity: 1; }
}

.vivi-search-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border, #ececf3);
}
.vivi-search-icon { font-size: 18px; }
.vivi-search-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    color: var(--text, #1f2330);
    font-size: 16px;
    font-family: inherit;
    height: 28px;
}
.vivi-search-input::placeholder { color: var(--text-3, #9ca3af); }
.vivi-search-esc {
    font-family: inherit;
    font-size: 11px;
    color: var(--text-3, #9ca3af);
    background: var(--bg, #f7f8fc);
    border: 1px solid var(--border, #ececf3);
    border-radius: 5px;
    padding: 2px 6px;
}

.vivi-search-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px 6px 10px;
    min-height: 80px;
}
.vivi-search-section {
    padding: 10px 12px 6px;
    font-size: 11px;
    color: var(--text-3, #9ca3af);
    text-transform: uppercase;
    letter-spacing: .04em;
    font-weight: 600;
}
.vivi-search-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 9px;
    text-decoration: none;
    color: var(--text, #1f2330);
    cursor: pointer;
    transition: background .12s;
}
.vivi-search-item.active,
.vivi-search-item:hover {
    background: var(--primary-light, #eef2ff);
}
.vivi-search-icon-cell {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #fff;
}
.vivi-search-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}
.vivi-search-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text, #1f2330);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.vivi-search-desc {
    font-size: 12px;
    color: var(--text-2, #6b7280);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.vivi-search-name mark,
.vivi-search-desc mark {
    background: rgba(99, 102, 241, 0.18);
    color: var(--primary-hover, #4f46e5);
    padding: 0 2px;
    border-radius: 3px;
}
.vivi-search-tag {
    flex-shrink: 0;
    font-size: 11px;
    color: var(--text-3, #9ca3af);
    background: var(--bg, #f7f8fc);
    padding: 2px 8px;
    border-radius: 4px;
    border: 1px solid var(--border, #ececf3);
}

.vivi-search-empty {
    text-align: center;
    color: var(--text-3, #9ca3af);
    padding: 36px 16px;
    font-size: 14px;
}

.vivi-search-hint {
    display: flex;
    justify-content: center;
    gap: 18px;
    padding: 10px 12px;
    border-top: 1px solid var(--border, #ececf3);
    font-size: 11px;
    color: var(--text-3, #9ca3af);
    background: var(--bg, #f7f8fc);
}
.vivi-search-hint kbd {
    font-family: inherit;
    font-size: 10px;
    padding: 1px 5px;
    border: 1px solid var(--border, #ececf3);
    border-radius: 4px;
    color: var(--text-2, #6b7280);
    background: var(--card-bg, #fff);
    margin-right: 4px;
}

/* 移动端适配 */
@media (max-width: 640px) {
    .vivi-search-mask { padding-top: 36px; }
    .vivi-search-fab .lbl,
    .vivi-search-fab kbd { display: none; }
    .vivi-search-fab { padding: 0; width: 38px; height: 38px; justify-content: center; border-radius: 50%; }
}