/* ========== 搜索栏 ========== */
.search-bar {
    position: fixed;
    top: var(--search-top, 50%);
    left: var(--search-left, 50%);
    transform: translate(var(--search-translate-x, -50%), -50%);
    width: min(var(--search-width, 560px), 88vw);
    max-width: 88vw;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 22px;
    background: var(--search-surface-bg, rgba(255, 255, 255, var(--search-bg-opacity, 0.1)));
    backdrop-filter: var(--search-surface-filter, blur(var(--search-hover-blur, var(--search-blur, 24px))));
    -webkit-backdrop-filter: var(--search-surface-filter, blur(var(--search-hover-blur, var(--search-blur, 24px))));
    border-radius: 28px;
    border: var(--search-surface-border, 1px solid rgba(255, 255, 255, 0.12));
    box-shadow: var(--search-surface-shadow, 0 8px 32px rgba(0, 0, 0, 0.2));
    color: var(--search-text-color, #fff);
    z-index: 50;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.search-bar[data-surface="glass"] {
    --search-surface-bg: rgba(255, 255, 255, var(--search-bg-opacity, 0.1));
    --search-surface-filter: blur(var(--search-hover-blur, var(--search-blur, 24px)));
    --search-surface-border: 1px solid rgba(255, 255, 255, 0.12);
    --search-surface-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.search-bar[data-surface="solid"] {
    --search-surface-bg: rgba(10, 12, 16, var(--search-solid-bg-opacity, 0.58));
    --search-surface-filter: none;
    --search-surface-border: 1px solid rgba(255, 255, 255, 0.14);
    --search-surface-shadow: 0 10px 30px rgba(0, 0, 0, 0.24);
}

.search-bar[data-surface="outline"] {
    --search-surface-bg: rgba(255, 255, 255, var(--search-outline-bg-opacity, 0.05));
    --search-surface-filter: none;
    --search-surface-border: 1px solid rgba(255, 255, 255, 0.36);
    --search-surface-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.14), 0 8px 24px rgba(0, 0, 0, 0.14);
}

.search-bar[data-surface="clean"] {
    --search-surface-bg: transparent;
    --search-surface-filter: none;
    --search-surface-border: 1px solid transparent;
    --search-surface-shadow: none;
}

.search-bar[data-surface="theme"] {
    --search-surface-bg:
        linear-gradient(135deg, rgba(var(--accent-rgb), 0.88), rgba(var(--tint-rgb), 0.72)),
        rgba(var(--surface-base-rgb), 0.34);
    --search-surface-filter: none;
    --search-surface-border: 1px solid rgba(var(--accent-contrast-rgb), 0.24);
    --search-surface-shadow: 0 12px 34px rgba(var(--accent-rgb), 0.24), 0 12px 30px rgba(0, 0, 0, 0.2);
    --search-text-color: rgb(var(--accent-contrast-rgb));
    --search-placeholder-color: rgba(var(--accent-contrast-rgb), 0.66);
    --search-icon-color: rgb(var(--accent-contrast-rgb));
}

.search-bar[data-surface="light"] {
    --search-surface-bg: rgba(255, 255, 255, 0.94);
    --search-surface-filter: none;
    --search-surface-border: 1px solid rgba(15, 23, 42, 0.12);
    --search-surface-shadow: 0 12px 32px rgba(15, 23, 42, 0.22);
    --search-text-color: rgba(15, 23, 42, 0.94);
    --search-placeholder-color: rgba(71, 85, 105, 0.68);
    --search-icon-color: rgba(15, 23, 42, 0.86);
    --search-history-bg: rgba(255, 255, 255, 0.96);
    --search-history-filter: none;
    --search-history-border: 1px solid rgba(15, 23, 42, 0.12);
    --search-history-item-color: rgba(15, 23, 42, 0.72);
    --search-history-item-active-bg: rgba(15, 23, 42, 0.07);
    --search-history-item-active-color: rgba(15, 23, 42, 0.96);
    --search-history-item-shadow: none;
}

.search-bar[data-shadow="none"] {
    --search-surface-shadow: none;
}

.search-bar[data-shadow="soft"] {
    --search-surface-shadow: 0 6px 18px rgba(0, 0, 0, 0.14);
}

.search-history-panel {
    position: absolute;
    top: calc(100% + 8px);
    bottom: auto;
    left: 10px;
    right: 10px;
    display: grid;
    gap: 2px;
    padding: 6px;
    max-height: var(--search-history-max-height, none);
    overflow-y: auto;
    z-index: 1;
    border: var(--search-history-border, 1px solid rgba(255, 255, 255, 0.1));
    border-radius: 18px;
    background: var(--search-history-bg,
        linear-gradient(rgba(8, 10, 14, 0.48), rgba(8, 10, 14, 0.48)),
        rgba(255, 255, 255, var(--search-bg-opacity, 0.1)));
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.26);
    backdrop-filter: var(--search-history-filter, blur(var(--search-hover-blur, var(--search-blur, 24px))));
    -webkit-backdrop-filter: var(--search-history-filter, blur(var(--search-hover-blur, var(--search-blur, 24px))));
}

.search-bar[data-surface="solid"] .search-history-panel,
.search-bar[data-surface="outline"] .search-history-panel,
.search-bar[data-surface="clean"] .search-history-panel,
.search-bar[data-surface="theme"] .search-history-panel {
    --search-history-bg: rgba(10, 12, 16, 0.76);
    --search-history-filter: none;
}

.search-history-panel[hidden] {
    display: none;
}

.search-history-item {
    min-height: 32px;
    padding: 6px 12px;
    border: 0;
    border-radius: 12px;
    background: transparent;
    color: var(--search-history-item-color, rgba(255, 255, 255, 0.74));
    font: inherit;
    font-size: calc(13px * var(--app-font-scale, 1));
    text-align: left;
    text-shadow: var(--search-history-item-shadow, 0 1px 2px rgba(0, 0, 0, 0.3));
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: background 0.14s ease, color 0.14s ease;
}

.search-history-item:hover,
.search-history-item.active {
    background: var(--search-history-item-active-bg, rgba(255, 255, 255, 0.08));
    color: var(--search-history-item-active-color, rgba(255, 255, 255, 0.94));
}

.search-bar[data-history-placement="below"] .search-history-panel {
    top: calc(100% + 8px);
    bottom: auto;
}

.search-bar[data-history-placement="above"] .search-history-panel {
    top: auto;
    bottom: calc(100% + 8px);
}

.search-bar[data-visibility="hover"] {
    --search-hover-blur: 0px;
    visibility: visible;
    pointer-events: auto;
    transition: opacity 0.3s ease;
}

.search-bar[data-visibility="hover"]:hover,
.search-bar[data-visibility="hover"].visible {
    --search-hover-blur: var(--search-blur, 24px);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.search-bar[data-visibility="never"] {
    --search-hover-blur: 0px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.search-bar[data-position="edge-top"] {
    --search-top: 10%;
    --search-left: 50%;
    --search-translate-x: -50%;
}

.search-bar[data-position="top"] {
    --search-top: 18%;
    --search-left: 50%;
    --search-translate-x: -50%;
}

.search-bar[data-position="upper"] {
    --search-top: 26%;
    --search-left: 50%;
    --search-translate-x: -50%;
}

.search-bar[data-position="center-upper"] {
    --search-top: 38%;
    --search-left: 50%;
    --search-translate-x: -50%;
}

.search-bar[data-position="center"] {
    --search-top: 50%;
    --search-left: 50%;
    --search-translate-x: -50%;
}

.search-bar[data-position="center-lower"] {
    --search-top: 62%;
    --search-left: 50%;
    --search-translate-x: -50%;
}

.search-bar[data-position="lower"] {
    --search-top: 74%;
    --search-left: 50%;
    --search-translate-x: -50%;
}

.search-bar[data-position="bottom"] {
    --search-top: 82%;
    --search-left: 50%;
    --search-translate-x: -50%;
}

.search-bar[data-position="edge-bottom"] {
    --search-top: 90%;
    --search-left: 50%;
    --search-translate-x: -50%;
}

.search-bar[data-icon-position="left"] {
    flex-direction: row-reverse;
}

.search-bar[data-icon-position="right"] {
    flex-direction: row;
}

.search-bar[data-icon-visibility="hidden"] .search-engine-icon {
    display: none;
    pointer-events: none;
}

.search-bar.visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.search-bar input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--search-text-color, #fff);
    font-size: calc(18px * var(--app-font-scale, 1));
    padding: 12px 0;
    caret-color: var(--search-text-color, rgba(255, 255, 255, 0.8));
}

.search-bar input:focus-visible {
    outline: none;
}

.search-bar input::placeholder {
    color: var(--search-placeholder-color, rgba(255, 255, 255, 0.45));
}

.search-bar[data-surface="clean"] input,
.search-bar[data-surface="clean"] .search-engine-icon {
    filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.45));
}

.search-engine-icon {
    width: 32px;
    height: 32px;
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.2s, transform 0.2s;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-engine-icon:hover {
    opacity: 1;
    transform: scale(1.1);
}

.search-engine-icon svg {
    width: 100%;
    height: 100%;
    fill: var(--search-icon-color, #fff);
}

@media (max-width: 480px) {
    .search-bar[data-position="center"] {
        --search-top: 26%;
    }
}