:root {
    --dbm-bg: #ffffff;
    --dbm-bg-secondary: #fafafa;
    --dbm-bg-tertiary: #f0f0f0;
    --dbm-border: #e0e0e0;
    --dbm-text: #333333;
    --dbm-text-secondary: #666666;
    --dbm-text-muted: #999999;
    --dbm-accent: #555555;
    --dbm-accent-light: #888888;
    --dbm-success: #6b9b6b;
    --dbm-danger: #b57575;
    --dbm-warning: #a89a6b;
    --dbm-info: #6b8a9b;
    --dbm-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    --dbm-radius: 4px;
    --dbm-transition: all 0.15s ease;
}

[data-lucide] {
    width: 14px;
    height: 14px;
    vertical-align: middle;
    display: inline-block;
}

.dbm-page-wrapper {
    max-width: 1600px;
    width: 95%;
    background: #f5f5f5;
}

.dbm-wrapper {
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - 120px);
    background: var(--dbm-bg);
    border: 1px solid var(--dbm-border);
    border-radius: var(--dbm-radius);
    overflow: hidden;
    margin: 20px 0;
    box-shadow: var(--dbm-shadow);
}

.dbm-main {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.dbm-sidebar {
    width: 260px;
    background: var(--dbm-bg-secondary);
    border-right: 1px solid var(--dbm-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.dbm-sidebar-header {
    padding: 14px 16px;
    border-bottom: 1px solid var(--dbm-border);
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--dbm-bg);
}

.dbm-sidebar-header h3 {
    margin: 0;
    font-size: 12px;
    font-weight: 600;
    color: var(--dbm-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.dbm-sidebar-header .icon {
    width: 14px;
    height: 14px;
    color: var(--dbm-text-muted);
    flex-shrink: 0;
}

.dbm-sidebar-header .icon svg {
    width: 14px;
    height: 14px;
}

.dbm-tree {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
}

.dbm-tree::-webkit-scrollbar {
    width: 6px;
}

.dbm-tree::-webkit-scrollbar-track {
    background: transparent;
}

.dbm-tree::-webkit-scrollbar-thumb {
    background: var(--dbm-border);
    border-radius: 3px;
}

.tree-item {
    user-select: none;
}

.tree-header {
    display: flex;
    align-items: center;
    padding: 6px 12px;
    cursor: pointer;
    transition: var(--dbm-transition);
    border-left: 2px solid transparent;
    text-decoration: none;
}

.tree-header:hover {
    background: var(--dbm-bg-tertiary);
}

.tree-header.active {
    background: var(--dbm-bg-tertiary);
    border-left-color: var(--dbm-accent);
}

.tree-toggle {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 4px;
    color: var(--dbm-text-muted);
    transition: var(--dbm-transition);
    flex-shrink: 0;
}

.tree-toggle svg,
.tree-toggle [data-lucide] {
    width: 10px;
    height: 10px;
    transition: transform 0.15s ease;
}

.tree-item.expanded > .tree-header .tree-toggle svg,
.tree-item.expanded > .tree-header .tree-toggle [data-lucide] {
    transform: rotate(90deg);
}

.tree-icon {
    width: 12px;
    height: 12px;
    margin-right: 6px;
    flex-shrink: 0;
    color: var(--dbm-text-muted);
    display: flex;
    align-items: center;
}

.tree-icon [data-lucide] {
    width: 12px;
    height: 12px;
}

.tree-icon.database { color: var(--dbm-accent-light); }
.tree-icon.table { color: var(--dbm-accent-light); }
.tree-icon.column { color: var(--dbm-text-muted); }
.tree-icon.key { color: var(--dbm-success); }

.tree-label {
    font-size: 12px;
    color: var(--dbm-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    text-decoration: none;
}

a.tree-label:hover {
    color: var(--dbm-accent);
}

.tree-badge {
    font-size: 10px;
    padding: 1px 5px;
    background: var(--dbm-bg);
    color: var(--dbm-text-muted);
    border-radius: 8px;
    margin-left: 6px;
    border: 1px solid var(--dbm-border);
}

.tree-children {
    display: none;
    padding-left: 16px;
}

.tree-item.expanded > .tree-children {
    display: block;
}

.tree-children .tree-header {
    padding-left: 20px;
}

.tree-children .tree-children .tree-header {
    padding-left: 28px;
}

.dbm-sidebar-actions {
    padding: 12px;
    border-top: 1px solid var(--dbm-border);
    background: var(--dbm-bg);
}

.dbm-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--dbm-bg);
}

.dbm-content-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--dbm-border);
    background: var(--dbm-bg-secondary);
}

.dbm-breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--dbm-text-secondary);
    margin-bottom: 6px;
}

.dbm-breadcrumb a {
    color: var(--dbm-text-secondary);
    text-decoration: none;
}

.dbm-breadcrumb a:hover {
    color: var(--dbm-text);
    text-decoration: underline;
}

.dbm-breadcrumb .separator {
    color: var(--dbm-text-muted);
}

.dbm-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.dbm-title h1 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--dbm-text);
}

.dbm-title .badge {
    font-size: 11px;
    padding: 3px 8px;
    background: var(--dbm-bg);
    color: var(--dbm-text-muted);
    border-radius: 10px;
    border: 1px solid var(--dbm-border);
}

.dbm-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.dbm-content-body {
    flex: 1;
    overflow: auto;
    padding: 20px;
}

.dbm-table-wrapper {
    background: var(--dbm-bg);
    border-radius: var(--dbm-radius);
    border: 1px solid var(--dbm-border);
    overflow: hidden;
}

.dbm-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.dbm-table th {
    background: var(--dbm-bg-secondary);
    padding: 10px 14px;
    text-align: left;
    font-weight: 600;
    color: var(--dbm-text-secondary);
    border-bottom: 1px solid var(--dbm-border);
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 10;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.dbm-table td {
    padding: 8px 14px;
    color: var(--dbm-text-secondary);
    border-bottom: 1px solid var(--dbm-border);
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dbm-table tr:last-child td {
    border-bottom: none;
}

.dbm-table tr:hover td {
    background: var(--dbm-bg-secondary);
}

.dbm-table .null-value {
    color: var(--dbm-text-muted);
    font-style: italic;
    font-size: 11px;
}

.dbm-table .key-column {
    color: var(--dbm-success);
}

.dbm-table .type-column {
    color: var(--dbm-text-muted);
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 11px;
}

.dbm-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--dbm-bg-secondary);
    border-top: 1px solid var(--dbm-border);
    margin-top: 16px;
    border-radius: var(--dbm-radius);
}

.dbm-pagination-info {
    font-size: 12px;
    color: var(--dbm-text-muted);
}

.dbm-pagination-controls {
    display: flex;
    align-items: center;
    gap: 4px;
}

.dbm-pagination-btn {
    padding: 5px 10px;
    background: var(--dbm-bg);
    border: 1px solid var(--dbm-border);
    border-radius: var(--dbm-radius);
    color: var(--dbm-text-secondary);
    font-size: 12px;
    cursor: pointer;
    transition: var(--dbm-transition);
    text-decoration: none;
}

.dbm-pagination-btn:hover:not(:disabled) {
    background: var(--dbm-bg-secondary);
    border-color: var(--dbm-accent-light);
}

.dbm-pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.dbm-pagination-btn.active {
    background: var(--dbm-accent);
    border-color: var(--dbm-accent);
    color: #fff;
}

.dbm-console {
    background: var(--dbm-bg);
    border-top: 1px solid var(--dbm-border);
    display: flex;
    flex-direction: column;
}

.dbm-console-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: var(--dbm-bg-secondary);
    border-bottom: 1px solid var(--dbm-border);
    cursor: pointer;
    transition: var(--dbm-transition);
}

.dbm-console-header:hover {
    background: var(--dbm-bg-tertiary);
}

.dbm-console-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--dbm-text-secondary);
}

.dbm-console-title .icon {
    width: 14px;
    height: 14px;
    color: var(--dbm-text-muted);
}

.dbm-console-toggle {
    width: 14px;
    height: 14px;
    color: var(--dbm-text-muted);
    transition: var(--dbm-transition);
}

.dbm-console.expanded .dbm-console-toggle {
    transform: rotate(180deg);
}

.dbm-console-body {
    display: none;
    padding: 16px;
}

.dbm-console.expanded .dbm-console-body {
    display: block;
}

.dbm-sql-editor {
    position: relative;
    background: var(--dbm-bg-secondary);
    border: 1px solid var(--dbm-border);
    border-radius: var(--dbm-radius);
    overflow: hidden;
}

.dbm-sql-editor textarea {
    width: 100%;
    min-height: 100px;
    padding: 12px;
    background: transparent;
    border: none;
    color: var(--dbm-text);
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 13px;
    line-height: 1.5;
    resize: vertical;
    outline: none;
    box-sizing: border-box;
}

.dbm-sql-editor textarea::placeholder {
    color: var(--dbm-text-muted);
}

.dbm-sql-highlight {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 12px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 13px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-wrap: break-word;
    pointer-events: none;
    color: transparent;
    overflow: hidden;
}

.sql-keyword { color: #555; font-weight: 600; }
.sql-function { color: #666; }
.sql-string { color: #888; }
.sql-number { color: #777; }
.sql-operator { color: #444; }
.sql-comment { color: #aaa; font-style: italic; }

.dbm-sql-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
}

.dbm-sql-actions .db-select {
    padding: 6px 10px;
    background: var(--dbm-bg);
    border: 1px solid var(--dbm-border);
    border-radius: var(--dbm-radius);
    color: var(--dbm-text);
    font-size: 12px;
    outline: none;
}

.dbm-sql-actions .db-select:focus {
    border-color: var(--dbm-accent-light);
}

.dbm-sql-result {
    margin-top: 16px;
    border-radius: var(--dbm-radius);
    overflow: hidden;
}

.dbm-sql-result.success {
    background: #f5f8f5;
    border: 1px solid #dde5dd;
}

.dbm-sql-result.error {
    background: #f9f5f5;
    border: 1px solid #e5dddd;
}

.dbm-sql-result-header {
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
}

.dbm-sql-result-header i {
    width: 14px;
    height: 14px;
}

.dbm-sql-result.success .dbm-sql-result-header {
    color: #5a7a5a;
}

.dbm-sql-result.error .dbm-sql-result-header {
    color: #8a5a5a;
}

.dbm-sql-result-body {
    padding: 0 14px 14px;
    overflow-x: auto;
}

.dbm-sql-result-body .dbm-table-wrapper {
    background: transparent;
    border: none;
}

.dbm-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 7px 14px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid transparent;
    border-radius: var(--dbm-radius);
    cursor: pointer;
    transition: var(--dbm-transition);
    text-decoration: none;
    white-space: nowrap;
    font-family: Arial, sans-serif;
}

.dbm-btn svg,
.dbm-btn i {
    width: 14px;
    height: 14px;
}

.dbm-btn-primary {
    background: var(--dbm-accent);
    color: #fff;
    border-color: var(--dbm-accent);
}

.dbm-btn-primary:hover {
    background: #444;
    border-color: #444;
}

.dbm-btn-success {
    background: var(--dbm-success);
    color: #fff;
    border-color: var(--dbm-success);
}

.dbm-btn-success:hover {
    background: #5a8a5a;
    border-color: #5a8a5a;
}

.dbm-btn-danger {
    background: var(--dbm-danger);
    color: #fff;
    border-color: var(--dbm-danger);
}

.dbm-btn-danger:hover {
    background: #a56565;
    border-color: #a56565;
}

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

.dbm-btn-secondary:hover {
    background: var(--dbm-bg-secondary);
    border-color: var(--dbm-accent-light);
    color: var(--dbm-text);
}

.dbm-btn-sm {
    padding: 4px 8px;
    font-size: 11px;
}

.dbm-btn-sm svg,
.dbm-btn-sm i {
    width: 12px;
    height: 12px;
}

.dbm-form-group {
    margin-bottom: 16px;
}

.dbm-form-label {
    display: block;
    margin-bottom: 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--dbm-text-secondary);
}

.dbm-form-input,
.dbm-form-select {
    width: 100%;
    max-width: 350px;
    padding: 8px 12px;
    background: var(--dbm-bg);
    border: 1px solid var(--dbm-border);
    border-radius: var(--dbm-radius);
    color: var(--dbm-text);
    font-size: 13px;
    outline: none;
    transition: var(--dbm-transition);
    font-family: Arial, sans-serif;
}

.dbm-form-input:focus,
.dbm-form-select:focus {
    border-color: var(--dbm-accent-light);
    box-shadow: 0 0 0 2px rgba(85, 85, 85, 0.1);
}

.dbm-form-input::placeholder {
    color: var(--dbm-text-muted);
}

.dbm-card {
    background: var(--dbm-bg);
    border: 1px solid var(--dbm-border);
    border-radius: var(--dbm-radius);
    overflow: hidden;
}

.dbm-card-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--dbm-border);
    background: var(--dbm-bg-secondary);
}

.dbm-card-header h3 {
    margin: 0;
    font-size: 12px;
    font-weight: 600;
    color: var(--dbm-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.dbm-card-body {
    padding: 16px;
}

.dbm-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.dbm-stat {
    background: var(--dbm-bg-secondary);
    border: 1px solid var(--dbm-border);
    border-radius: var(--dbm-radius);
    padding: 14px 16px;
}

.dbm-stat-value {
    font-size: 18px;
    font-weight: 600;
    color: var(--dbm-text);
    margin-bottom: 2px;
}

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

.dbm-empty {
    text-align: center;
    padding: 50px 20px;
    color: var(--dbm-text-secondary);
}

.dbm-empty-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 16px;
    color: var(--dbm-border);
    display: block;
}

.dbm-empty h3 {
    margin: 0 0 6px;
    font-size: 15px;
    color: var(--dbm-text-secondary);
    font-weight: 500;
}

.dbm-empty p {
    margin: 0;
    font-size: 13px;
    color: var(--dbm-text-muted);
}

.dbm-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
}

.dbm-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--dbm-border);
    border-top-color: var(--dbm-accent-light);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

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

@media (max-width: 1024px) {
    .dbm-sidebar {
        width: 220px;
    }
}

@media (max-width: 768px) {
    .dbm-main {
        flex-direction: column;
    }

    .dbm-sidebar {
        width: 100%;
        max-height: 250px;
        border-right: none;
        border-bottom: 1px solid var(--dbm-border);
    }

    .dbm-content-body {
        padding: 14px;
    }
}

.data-row.editing {
    background: #fafaf5 !important;
}

.data-row.new-row {
    background: #f5faf5 !important;
}

.editable-cell {
    position: relative;
}

.editable-cell .cell-input {
    border: 1px solid var(--dbm-accent-light);
    border-radius: 3px;
    background: var(--dbm-bg);
}

.editable-cell .cell-input:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(85, 85, 85, 0.1);
}

.view-actions,
.edit-actions {
    display: inline-flex;
    gap: 4px;
}

.actions-cell .dbm-btn-sm {
    padding: 4px 6px;
}

.data-row:hover {
    background: var(--dbm-bg-secondary);
}

.data-row.editing:hover {
    background: #fafaf5 !important;
}

.data-row.new-row:hover {
    background: #f5faf5 !important;
}

.dbm-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.dbm-modal-content {
    background: var(--dbm-bg);
    border-radius: var(--dbm-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    width: 100%;
    max-width: 420px;
    max-height: 90vh;
    overflow: hidden;
}

.dbm-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--dbm-border);
    background: var(--dbm-bg-secondary);
}

.dbm-modal-header h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--dbm-text);
}

.dbm-modal-close {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--dbm-text-muted);
    cursor: pointer;
    line-height: 1;
    padding: 0;
}

.dbm-modal-close:hover {
    color: var(--dbm-text);
}

.dbm-modal-body {
    padding: 18px;
}

.dbm-modal-body .dbm-form-input,
.dbm-modal-body .dbm-form-select {
    max-width: 100%;
}

.dbm-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 14px 18px;
    border-top: 1px solid var(--dbm-border);
    background: var(--dbm-bg-secondary);
}

.badge {
    font-size: 10px;
    padding: 2px 6px;
    background: var(--dbm-bg-tertiary);
    color: var(--dbm-text-muted);
    border-radius: 8px;
    border: 1px solid var(--dbm-border);
}