:root {
    --primary: #409eff;
    --primary-dark: #337ecc;
    --primary-light: #ecf5ff;
    --success: #67c23a;
    --success-light: #f0f9eb;
    --warning: #e6a23c;
    --warning-light: #fdf6ec;
    --danger: #f56c6c;
    --danger-light: #fef0f0;
    --info: #909399;

    --sidebar-bg: #001529;
    --sidebar-hover: #000c17;
    --sidebar-active: #1890ff;
    --sidebar-text: rgba(255, 255, 255, 0.75);
    --sidebar-width: 220px;

    --header-height: 64px;
    --page-bg: #f0f2f5;
    --card-bg: #ffffff;
    --border: #e4e7ed;
    --border-light: #ebeef5;
    --text: #303133;
    --text-regular: #606266;
    --text-secondary: #909399;
    --shadow: 0 1px 4px rgba(0, 21, 41, 0.08);
    --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06);
    --radius: 4px;
    --radius-lg: 8px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 14px;
    color: var(--text);
    background: var(--page-bg);
    line-height: 1.5;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

/* ===== Admin Layout ===== */
.layout-admin { background: var(--page-bg); }

.admin-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    color: #fff;
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 200;
    display: flex;
    flex-direction: column;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.15);
}

.sidebar-logo {
    height: 64px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.logo-mark {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: linear-gradient(135deg, #409eff, #36cfc9);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    color: #fff;
    flex-shrink: 0;
}

.logo-text strong {
    display: block;
    font-size: 15px;
    line-height: 1.2;
    color: #fff;
}

.logo-text small {
    display: block;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.45);
    margin-top: 2px;
}

.sidebar-menu {
    flex: 1;
    padding: 12px 0;
    overflow-y: auto;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 4px 8px;
    padding: 0 16px;
    height: 44px;
    border-radius: var(--radius);
    color: var(--sidebar-text);
    transition: all 0.2s;
    font-size: 14px;
}

.menu-item:hover {
    background: var(--sidebar-hover);
    color: #fff;
    text-decoration: none;
}

.menu-item.is-active {
    background: var(--sidebar-active);
    color: #fff;
    font-weight: 500;
}

.menu-icon {
    width: 18px;
    text-align: center;
    opacity: 0.85;
    font-size: 15px;
}

.main-container {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-width: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.top-header {
    height: var(--header-height);
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header-title h1 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.3;
}

.header-title .page-desc {
    margin: 2px 0 0;
    font-size: 12px;
    color: var(--text-secondary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.role-badge {
    padding: 2px 10px;
    font-size: 12px;
    border-radius: 999px;
    background: var(--primary-light);
    color: var(--primary);
    border: 1px solid #b3d8ff;
}

.user-dropdown {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 8px;
    border-radius: var(--radius);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #409eff, #69b1ff);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

.user-name {
    color: var(--text-regular);
    font-size: 14px;
}

.page-content {
    flex: 1;
    padding: 20px 24px 32px;
}

/* ===== Login ===== */
.layout-login { background: var(--page-bg); }

.login-page {
    min-height: 100vh;
}

.login-layout {
    display: grid;
    grid-template-columns: 1fr 480px;
    min-height: 100vh;
}

.login-brand {
    background: linear-gradient(135deg, #001529 0%, #003a8c 50%, #096dd9 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px;
}

.login-brand-inner { max-width: 420px; }

.brand-logo {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 24px;
}

.login-brand h1 {
    margin: 0 0 12px;
    font-size: 28px;
    font-weight: 600;
    line-height: 1.3;
}

.login-brand p {
    margin: 0 0 28px;
    color: rgba(255, 255, 255, 0.75);
    font-size: 15px;
}

.brand-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.brand-features li {
    padding: 10px 0 10px 20px;
    position: relative;
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.brand-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #69c0ff;
}

.login-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    background: var(--page-bg);
}

.login-card {
    width: 100%;
    max-width: 380px;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    box-shadow: var(--shadow-card);
}

.login-card h2 {
    margin: 0 0 8px;
    font-size: 24px;
    font-weight: 600;
    color: var(--text);
}

.login-subtitle {
    margin: 0 0 28px;
    color: var(--text-secondary);
    font-size: 14px;
}

/* ===== Cards ===== */
.card, .el-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow);
    margin-bottom: 16px;
    overflow: hidden;
}

.card-header, .el-card__header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.card-header h2, .card-header h3, .el-card__header h2 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
}

.card-body, .el-card__body {
    padding: 20px;
}

.card-body--compact { padding: 0; }

.muted, .text-secondary { color: var(--text-secondary); }
.page-desc { color: var(--text-secondary); font-size: 13px; margin: 0; }

/* ===== Stats ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 20px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: box-shadow 0.2s, transform 0.2s;
}

.stat-card:hover {
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.stat-icon.blue { background: var(--primary-light); color: var(--primary); }
.stat-icon.green { background: var(--success-light); color: var(--success); }
.stat-icon.orange { background: var(--warning-light); color: var(--warning); }
.stat-icon.red { background: var(--danger-light); color: var(--danger); }

.stat-info { min-width: 0; }

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ===== Forms ===== */
.form-item { margin-bottom: 20px; }

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-regular);
    font-weight: 500;
}

.form-control,
.form input:not([type="checkbox"]):not([type="radio"]):not([type="color"]):not([type="file"]),
.form select,
.form textarea {
    width: 100%;
    height: 36px;
    padding: 0 12px;
    font-size: 14px;
    color: var(--text);
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form textarea { height: auto; min-height: 80px; padding: 10px 12px; resize: vertical; }

.form-control:focus,
.form input:focus,
.form select:focus,
.form textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(64, 158, 255, 0.15);
}

.form label:not(.form-label):not(.checkbox-item) {
    display: block;
    margin-bottom: 16px;
    color: var(--text-regular);
    font-size: 14px;
}

.form label:not(.form-label):not(.checkbox-item) input,
.form label:not(.form-label):not(.checkbox-item) select {
    margin-top: 8px;
}

.inline-form {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: flex-end;
}

.inline-form .form-item,
.inline-form label { flex: 1; min-width: 180px; margin-bottom: 0; }

.color-row {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.color-row label { flex: 1; min-width: 120px; }

input[type="color"] {
    width: 100%;
    height: 36px;
    padding: 2px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    background: #fff;
}

input[type="file"] {
    width: 100%;
    padding: 8px 12px;
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    background: #fafafa;
    font-size: 13px;
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
    margin-top: 8px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    background: #fafafa;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    font-size: 14px;
    color: var(--text-regular);
}

.checkbox-item:hover { border-color: #b3d8ff; background: var(--primary-light); }
.checkbox-item input { width: auto; margin: 0; accent-color: var(--primary); }

.form-group { margin-bottom: 20px; }
.form-group > strong { display: block; margin-bottom: 4px; color: var(--text); }

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 32px;
    padding: 0 15px;
    font-size: 14px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text-regular);
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    line-height: 1;
    text-decoration: none;
}

.btn:hover {
    color: var(--primary);
    border-color: #b3d8ff;
    background: var(--primary-light);
    text-decoration: none;
}

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

.btn-primary:hover, .btn.primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #fff;
}

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

.btn-danger:hover, .btn.danger:hover {
    background: #f78989;
    border-color: #f78989;
    color: #fff;
}

.btn-text {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    padding: 0 8px;
}

.btn-text:hover { color: var(--danger); background: transparent; }

.btn-small, .btn.small, .btn-small { height: 28px; padding: 0 12px; font-size: 12px; }
.btn-block { width: 100%; height: 40px; font-size: 15px; }
.btn-group { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
form.inline { display: inline; }

.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    gap: 12px;
    flex-wrap: wrap;
}

/* ===== Tables ===== */
.table-wrap, .table-scroll { overflow-x: auto; }

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

thead th {
    padding: 12px 16px;
    background: #fafafa;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 13px;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
    white-space: nowrap;
}

tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-regular);
    vertical-align: middle;
}

tbody tr:hover { background: #fafcff; }
tbody tr:last-child td { border-bottom: none; }

.data-table input,
.data-table select {
    height: 32px;
    padding: 0 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #fff;
    color: var(--text);
    min-width: 70px;
    font-size: 13px;
}

.data-table input:focus,
.data-table select:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(64, 158, 255, 0.12);
}

.data-table tr.break-row td { background: #fff7e6; }
.data-table tr.break-row:hover td { background: #fff1d6; }

.table-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    gap: 12px;
    flex-wrap: wrap;
}

.table-toolbar strong { font-size: 15px; color: var(--text); }

code {
    padding: 2px 6px;
    background: #f4f4f5;
    border: 1px solid var(--border-light);
    border-radius: 3px;
    font-size: 13px;
    color: var(--danger);
    font-family: Consolas, Monaco, monospace;
}

.actions-cell { white-space: nowrap; }
.actions-cell .btn { margin-right: 4px; }

/* ===== Tags / Badges ===== */
.badge, .el-tag {
    display: inline-flex;
    align-items: center;
    height: 24px;
    padding: 0 9px;
    border-radius: var(--radius);
    font-size: 12px;
    border: 1px solid var(--border);
    background: #f4f4f5;
    color: var(--text-secondary);
}

.badge.active, .el-tag--success {
    background: var(--success-light);
    border-color: #b3e19d;
    color: var(--success);
}

.badge.disabled, .el-tag--danger {
    background: var(--danger-light);
    border-color: #fab6b6;
    color: var(--danger);
}

/* ===== Alerts ===== */
.alert-stack { margin-bottom: 16px; }

.alert {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 10px;
    border: 1px solid;
    font-size: 14px;
}

.alert-success {
    background: var(--success-light);
    border-color: #b3e19d;
    color: #529b2e;
}

.alert-error {
    background: var(--danger-light);
    border-color: #fab6b6;
    color: #c45656;
}

.alert-icon {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    flex-shrink: 0;
}

.alert-success .alert-icon { background: var(--success); color: #fff; }
.alert-error .alert-icon { background: var(--danger); color: #fff; }

/* ===== Style / Panel grids ===== */
.style-grid, .panel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.style-item, .panel-card {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #fff;
    box-shadow: var(--shadow);
    transition: box-shadow 0.2s;
}

.style-item:hover, .panel-card:hover { box-shadow: var(--shadow-card); }

.style-preview {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f7fa;
}

.style-preview-inner { font-size: 2rem; font-weight: 700; }

.style-meta, .panel-card { padding: 16px; }

.style-meta strong { font-size: 15px; color: var(--text); }

.style-preview-edit {
    height: 120px;
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    margin: 8px 0 16px;
    background: #f5f7fa;
}

.panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.panel-card .muted { font-size: 13px; margin-bottom: 8px; }

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

/* ===== Table Page (XYGo / Element Plus style) ===== */
.table-page-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow);
    margin-bottom: 16px;
    overflow: hidden;
}

.table-page-card > .card-body {
    padding: 0 20px 20px;
}

.table-page-title {
    padding: 18px 20px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
}

.table-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 20px;
    flex-wrap: wrap;
}

.table-toolbar-left,
.table-toolbar-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.btn-add::before {
    content: "+";
    margin-right: 4px;
    font-weight: 700;
    font-size: 15px;
}

.btn-add.is-active {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

.table-meta {
    font-size: 13px;
    color: var(--text-secondary);
}

.table-panel {
    margin: 0 20px 16px;
    padding: 20px;
    background: #fafafa;
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
}

.table-panel[hidden] { display: none !important; }

.table-panel-title {
    margin: 0 0 16px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}

.table-page-card .table-wrap table {
    border-top: 1px solid var(--border-light);
}

.table-page-card thead th {
    background: #fafafa;
    padding: 10px 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-light);
}

.table-page-card tbody td {
    padding: 14px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--border-light);
}

.table-page-card tbody tr:hover td {
    background: #f5f7fa;
}

.col-check { width: 48px; text-align: center; }
.col-check input { accent-color: var(--primary); cursor: pointer; }
.col-index { width: 64px; color: var(--text-secondary); }

.cell-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.cell-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #409eff, #69b1ff);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    flex-shrink: 0;
}

.table-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.action-btn {
    width: 28px;
    height: 28px;
    padding: 0;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text-secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    transition: all 0.15s;
    text-decoration: none;
}

.action-btn:hover {
    text-decoration: none;
    border-color: #b3d8ff;
    color: var(--primary);
    background: var(--primary-light);
}

.action-btn.edit { color: var(--primary); border-color: #b3d8ff; }
.action-btn.edit:hover { background: var(--primary-light); }

.action-btn.danger { color: var(--danger); border-color: #fab6b6; }
.action-btn.danger:hover { background: var(--danger-light); }

.action-btn.primary { color: #fff; background: var(--primary); border-color: var(--primary); }
.action-btn.primary:hover { background: var(--primary-dark); color: #fff; }

.table-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding: 12px 20px;
    border-top: 1px solid var(--border-light);
    background: #fff;
    font-size: 13px;
    color: var(--text-secondary);
}

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

.page-btn {
    min-width: 28px;
    height: 28px;
    padding: 0 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #fff;
    color: var(--text-regular);
    font-size: 13px;
    cursor: default;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.page-btn.is-active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.tag-success {
    background: var(--success-light);
    border-color: #b3e19d;
    color: var(--success);
}

.tag-danger {
    background: var(--danger-light);
    border-color: #fab6b6;
    color: var(--danger);
}

.tag-info {
    background: #f4f4f5;
    border-color: var(--border);
    color: var(--text-secondary);
}

.toggle-action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
}

.toggle-btn {
    min-width: 160px;
    font-weight: 600;
}

.toggle-btn.is-on {
    background: var(--success-light);
    border-color: #95de64;
    color: #389e0d;
}

.toggle-btn.is-off {
    background: var(--danger-light);
    border-color: #fab6b6;
    color: var(--danger);
}

.style-thumb {
    width: 48px;
    height: 32px;
    border-radius: 4px;
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    overflow: hidden;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
    .login-layout { grid-template-columns: 1fr; }
    .login-brand { display: none; }
    .login-panel { min-height: 100vh; }
}

@media (max-width: 768px) {
    .sidebar { width: 64px; }
    .sidebar-logo .logo-text,
    .menu-item span:not(.menu-icon) { display: none; }
    .sidebar-logo { justify-content: center; padding: 0; }
    .menu-item { justify-content: center; padding: 0; margin: 4px; }
    .main-container { margin-left: 64px; }
    .page-content { padding: 16px; }
    .top-header { padding: 0 16px; }
    .user-name { display: none; }
}