/* 搜索模态框 */
.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.search-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.search-modal-container {
    position: relative;
    width: 100%;
    max-width: 640px;
    background: var(--color-background-primary);
    border-radius: 12px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    z-index: 1;
}

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

.search-icon {
    color: var(--color-foreground-secondary);
    flex-shrink: 0;
}

#search-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 16px;
    background: transparent;
    color: var(--color-foreground-primary);
}

#search-input::placeholder {
    color: var(--color-foreground-secondary);
}

.search-shortcut {
    padding: 4px 8px;
    background: var(--color-background-secondary);
    border-radius: 6px;
    font-size: 12px;
    color: var(--color-foreground-secondary);
    font-family: monospace;
}

/* 搜索结果 */
.search-results {
    max-height: 60vh;
    overflow-y: auto;
    padding: 12px;
}

.search-hint {
    text-align: center;
    padding: 40px 20px;
    color: var(--color-foreground-secondary);
}

.search-keys {
    margin-top: 16px;
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
}

.search-keys kbd {
    padding: 4px 8px;
    background: var(--color-background-secondary);
    border-radius: 4px;
    font-size: 12px;
    font-family: monospace;
}

.search-result-item {
    padding: 12px 16px;
    border-radius: 8px;
    cursor: pointer;
    margin-bottom: 8px;
    transition: background 0.2s;
}

.search-result-item:hover,
.search-result-item.selected {
    background: var(--color-background-hover);
}

.search-result-title {
    font-weight: 600;
    color: var(--color-foreground-primary);
    margin-bottom: 4px;
}

.search-result-excerpt {
    font-size: 14px;
    color: var(--color-foreground-secondary);
    line-height: 1.5;
}

.search-result-item mark {
    background: rgba(251, 191, 36, 0.3);
    color: inherit;
    padding: 0 2px;
    border-radius: 2px;
}

.search-no-results {
    text-align: center;
    padding: 40px 20px;
    color: var(--color-foreground-secondary);
}

.search-suggestion {
    font-size: 14px;
    margin-top: 8px;
}

/* 搜索按钮 */
.search-button {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--color-background-secondary);
    border: 1px solid var(--color-background-border);
    border-radius: 8px;
    cursor: pointer;
    color: var(--color-foreground-primary);
    font-size: 14px;
    transition: all 0.2s;
    margin-bottom: 12px;
}

.search-button:hover {
    background: var(--color-background-hover);
    border