/* === STYLE.CSS BASE (Keep original content above this line) === */
/* ... (Original CSS content omitted for brevity here, ensure to keep original) ... */

/* 搜索模式切换按钮样式 */
.search-mode-wrapper {
    position: relative;
    flex-shrink: 0;
}

.search-mode-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 12px 18px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--component-bg);
    color: var(--text-color);
    font-size: 16px;
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s ease;
    min-width: 100px;
    position: relative;
    box-shadow: none;
}

.search-mode-btn:hover,
.search-mode-btn.active {
    border-color: var(--primary-color);
    color: var(--primary-color);
    box-shadow: 0 10px 24px rgba(26, 188, 156, 0.2);
    background: var(--component-bg);
}

.search-mode-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(26, 188, 156, 0.18);
}

.search-mode-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.18);
    border: 1px solid var(--border-color);
    box-sizing: border-box;
    min-width: 100%;
    max-height: 320px;
    overflow-y: auto;
    overflow-x: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.18s ease, transform 0.18s ease;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 100000;
    pointer-events: none;
}

.dark-mode .search-mode-menu {
    background: rgba(44, 44, 44, 0.95);
    border-color: var(--primary-color);
}

.search-mode-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.search-mode-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
    font-size: 0.95em;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s ease;
    background: transparent;
}

.search-mode-option:hover,
.search-mode-option.active {
    background: var(--primary-color);
    color: #ffffff;
}

.search-mode-option i {
    font-size: 0.85em;
    opacity: 0.6;
}

.search-mode-option.active i {
    opacity: 1;
}