/* ============ 紧凑奶白啡主题 ============ */
:root {
    --bg-primary: #faf7f2;
    --bg-secondary: #f3efe8;
    --bg-card: #ffffff;
    --bg-hover: #f0ebe3;

    --text-primary: #3d3028;
    --text-secondary: #6b5d4d;
    --text-muted: #9a8b7a;

    --accent: #a67c52;
    --accent-light: #d4b896;

    --success: #5a9a5a;
    --warning: #c4a04c;
    --danger: #b86b6b;

    --border: rgba(166, 124, 82, 0.12);
    --shadow: 0 1px 4px rgba(61, 48, 40, 0.08);

    --radius: 6px;
    --transition: all 0.15s ease;

    --titlebar-h: 32px;
    --sidebar-w: 180px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    font-size: 12px;
}

/* ============ 标题栏 ============ */
.titlebar {
    height: var(--titlebar-h);
    background: var(--bg-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    -webkit-app-region: drag;
}

.titlebar-drag {
    display: flex;
    align-items: center;
    gap: 6px;
    padding-left: 10px;
}

.titlebar-icon {
    color: var(--accent);
    font-size: 12px;
}

.titlebar-title {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
}

.titlebar-controls {
    display: flex;
    height: 100%;
    -webkit-app-region: no-drag;
}

.titlebar-btn {
    width: 36px;
    height: 100%;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 10px;
    cursor: pointer;
    transition: var(--transition);
}

.titlebar-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.titlebar-btn.close:hover {
    background: var(--danger);
    color: white;
}

/* ============ 主布局 ============ */
.container {
    display: flex;
    height: calc(100vh - var(--titlebar-h));
}

/* ============ 侧边栏 ============ */
.sidebar {
    width: var(--sidebar-w);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
}

.sidebar-label {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-icon {
    width: 22px;
    height: 22px;
    border: none;
    background: var(--accent);
    color: white;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    transition: var(--transition);
}

.btn-icon:hover {
    opacity: 0.85;
}

.database-list {
    flex: 1;
    overflow-y: auto;
    padding: 6px;
}

.database-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 8px;
    margin-bottom: 2px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

.database-item:hover {
    background: var(--bg-hover);
}

.database-item.active {
    background: var(--accent);
    color: white;
}

.database-item.active .db-info {
    color: rgba(255, 255, 255, 0.8);
}

.db-details {
    flex: 1;
    min-width: 0;
}

.db-name {
    font-weight: 600;
    font-size: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.db-info {
    font-size: 10px;
    color: var(--text-muted);
}

.db-actions {
    display: flex;
    gap: 2px;
    opacity: 0;
}

.database-item:hover .db-actions {
    opacity: 1;
}

.db-action-btn {
    width: 20px;
    height: 20px;
    border: none;
    background: var(--bg-card);
    border-radius: 3px;
    color: var(--text-muted);
    font-size: 9px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.db-action-btn:hover {
    background: var(--accent-light);
    color: var(--text-primary);
}

.db-action-btn.delete:hover {
    background: var(--danger);
    color: white;
}

/* ============ 主内容区 ============ */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.no-database {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-muted);
}

.no-database-icon {
    font-size: 40px;
    margin-bottom: 12px;
    opacity: 0.3;
}

.no-database h2 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.no-database p {
    font-size: 12px;
}

.database-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 10px;
    gap: 10px;
    overflow: hidden;
}

/* ============ 工具栏 ============ */
.toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
}

.search-box {
    flex: 1;
    display: flex;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0 10px;
    box-shadow: var(--shadow);
}

.search-box i {
    color: var(--text-muted);
    font-size: 11px;
}

.search-box input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 7px 8px;
    font-size: 12px;
    color: var(--text-primary);
    outline: none;
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.toolbar-info {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
}

/* ============ 拖拽区域 ============ */
.drop-zone {
    background: var(--bg-card);
    border: 1.5px dashed var(--border);
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition);
    cursor: pointer;
    box-shadow: var(--shadow);
}

.drop-zone:hover,
.drop-zone.drag-over {
    border-color: var(--accent);
    background: var(--bg-hover);
}

.drop-icon {
    font-size: 18px;
    color: var(--accent);
}

.drop-zone span {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ============ 备份列表 ============ */
.backup-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.backup-list:empty::after {
    content: '暂无备份';
    display: block;
    text-align: center;
    color: var(--text-muted);
    padding: 30px;
    font-size: 12px;
}

.backup-item {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 8px 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.backup-item:hover {
    border-color: var(--accent-light);
    box-shadow: var(--shadow);
}

.backup-item.hidden {
    display: none;
}

.backup-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: white;
}

.backup-details {
    flex: 1;
    min-width: 0;
}

.backup-name {
    font-weight: 500;
    font-size: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.backup-meta {
    display: flex;
    gap: 12px;
    margin-top: 2px;
    font-size: 10px;
    color: var(--text-muted);
}

.backup-meta span {
    display: flex;
    align-items: center;
    gap: 3px;
}

.backup-tag {
    background: var(--bg-secondary);
    color: var(--accent);
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 10px;
    cursor: pointer;
    transition: var(--transition);
}

.backup-tag:hover {
    background: var(--accent-light);
}

.backup-tag.empty {
    color: var(--text-muted);
}

.backup-actions {
    display: flex;
    gap: 4px;
}

.backup-action-btn {
    width: 26px;
    height: 26px;
    border: none;
    border-radius: 4px;
    font-size: 11px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.backup-action-btn.export {
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

.backup-action-btn.export:hover {
    background: var(--accent);
    color: white;
}

.backup-action-btn.delete {
    background: transparent;
    color: var(--text-muted);
}

.backup-action-btn.delete:hover {
    background: var(--danger);
    color: white;
}

/* ============ 按钮 ============ */
.btn {
    padding: 6px 14px;
    border: none;
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn-primary {
    background: var(--accent);
    color: white;
}

.btn-primary:hover {
    opacity: 0.9;
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    background: var(--bg-hover);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

/* ============ 模态框 ============ */
.modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.show {
    display: flex;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(61, 48, 40, 0.35);
    backdrop-filter: blur(2px);
}

.modal-content {
    position: relative;
    background: var(--bg-card);
    border-radius: 8px;
    width: 100%;
    max-width: 320px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    animation: modalIn 0.15s ease;
}

.modal-sm {
    max-width: 280px;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.modal-close {
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 12px;
    cursor: pointer;
    border-radius: 4px;
}

.modal-close:hover {
    background: var(--bg-hover);
}

.modal-body {
    padding: 14px;
}

.modal-body p {
    font-size: 12px;
    color: var(--text-secondary);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 6px;
    padding: 10px 14px;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
    border-radius: 0 0 8px 8px;
}

/* ============ 表单 ============ */
.form-group {
    margin-bottom: 12px;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.form-group input {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 12px;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
}

/* ============ 文件名不匹配 ============ */
.mismatch-info {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 10px;
}

.mismatch-row {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 11px;
}

.mismatch-label {
    color: var(--text-muted);
}

.mismatch-value {
    font-weight: 500;
    color: var(--text-primary);
}

.mismatch-value.highlight {
    color: var(--accent);
}

/* ============ Toast ============ */
.toast {
    position: fixed;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%) translateY(60px);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    opacity: 0;
    transition: all 0.2s ease;
    z-index: 2000;
    font-size: 12px;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast-icon {
    font-size: 12px;
}

.toast.success .toast-icon {
    color: var(--success);
}

.toast.error .toast-icon {
    color: var(--danger);
}

.toast.warning .toast-icon {
    color: var(--warning);
}

/* ============ 加载 ============ */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(250, 247, 242, 0.9);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.loading-overlay.show {
    display: flex;
}

.loading-spinner {
    width: 28px;
    height: 28px;
    border: 2px solid var(--bg-secondary);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-text {
    margin-top: 10px;
    color: var(--text-secondary);
    font-size: 12px;
}

/* ============ 滚动条 ============ */
::-webkit-scrollbar {
    width: 5px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--bg-hover);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-light);
}