/* ============================================================
   多租户智能家居云平台 - 全局样式
   设计原则：轻量、无第三方 UI 框架依赖、支持 10000 设备大列表
   ============================================================ */

/* ---------- 主题变量 ---------- */
:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #dbeafe;
    --color-success: #16a34a;
    --color-success-light: #dcfce7;
    --color-warning: #d97706;
    --color-warning-light: #fef3c7;
    --color-danger: #dc2626;
    --color-danger-light: #fee2e2;
    --color-info: #0891b2;
    --color-info-light: #cffafe;

    --color-text: #1f2937;
    --color-text-secondary: #6b7280;
    --color-text-muted: #9ca3af;

    --color-bg: #f3f4f6;
    --color-surface: #ffffff;
    --color-border: #e5e7eb;
    --color-border-dark: #d1d5db;

    --radius: 8px;
    --radius-sm: 6px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.12);

    --sidebar-width: 220px;
    --header-height: 60px;
}

/* ---------- 基础重置 ---------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
        "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

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

a:hover {
    text-decoration: underline;
}

/* Vue 未加载完成前隐藏模板，避免闪烁 */
[v-cloak] {
    display: none !important;
}

/* ============================================================
   一、登录 / 注册页
   ============================================================ */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    padding: 20px;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-surface);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    padding: 40px 36px;
}

.auth-logo {
    text-align: center;
    margin-bottom: 8px;
    font-size: 40px;
}

.auth-title {
    text-align: center;
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 6px;
}

.auth-subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 13px;
    margin-bottom: 28px;
}

.auth-tabs {
    display: flex;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 24px;
}

.auth-tab {
    flex: 1;
    text-align: center;
    padding: 10px 0;
    cursor: pointer;
    color: var(--color-text-secondary);
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    user-select: none;
}

.auth-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: 500;
}

.auth-footer {
    margin-top: 20px;
    text-align: center;
    font-size: 12px;
    color: var(--color-text-muted);
}

/* ============================================================
   二、主布局
   ============================================================ */
.layout {
    display: flex;
    min-height: 100vh;
}

/* ---------- 侧边栏 ---------- */
.sidebar {
    width: var(--sidebar-width);
    background: #1e293b;
    color: #cbd5e1;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}

.sidebar-brand {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 20px;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    border-bottom: 1px solid #334155;
    gap: 8px;
}

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

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 20px;
    cursor: pointer;
    transition: all 0.15s;
    border-left: 3px solid transparent;
    user-select: none;
}

.nav-item:hover {
    background: #334155;
    color: #fff;
}

.nav-item.active {
    background: #334155;
    color: #fff;
    border-left-color: var(--color-primary);
}

.nav-item .badge {
    margin-left: auto;
}

.sidebar-footer {
    padding: 14px 20px;
    border-top: 1px solid #334155;
    font-size: 12px;
    color: #94a3b8;
}

/* ---------- 主内容区 ---------- */
.main {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.header {
    height: var(--header-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-title {
    font-size: 17px;
    font-weight: 600;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 14px;
}

.content {
    flex: 1;
    padding: 22px 24px;
    min-width: 0;
}

/* ============================================================
   三、通用组件
   ============================================================ */

/* ---------- 卡片 ---------- */
.card {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 18px;
    overflow: hidden;
}

.card-header {
    padding: 14px 18px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.card-title {
    font-size: 15px;
    font-weight: 600;
}

.card-body {
    padding: 18px;
}

/* ---------- 统计卡片 ---------- */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 18px;
}

.stat-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 18px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 21px;
    flex-shrink: 0;
}

.stat-value {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.2;
}

.stat-label {
    font-size: 12px;
    color: var(--color-text-secondary);
}

/* ---------- 表单 ---------- */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
}

.form-label .required {
    color: var(--color-danger);
    margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    color: var(--color-text);
    background: var(--color-surface);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input:disabled,
.form-select:disabled {
    background: var(--color-bg);
    color: var(--color-text-muted);
    cursor: not-allowed;
}

.form-textarea {
    resize: vertical;
    min-height: 84px;
    font-family: "Consolas", "Monaco", monospace;
    font-size: 13px;
}

.form-hint {
    margin-top: 5px;
    font-size: 12px;
    color: var(--color-text-muted);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 7px;
    cursor: pointer;
    user-select: none;
}

.form-checkbox input {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 16px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    background: var(--color-surface);
    color: var(--color-text);
    border-color: var(--color-border-dark);
}

.btn:hover:not(:disabled) {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: #fff;
}

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

.btn-danger:hover:not(:disabled) {
    background: #b91c1c;
    border-color: #b91c1c;
    color: #fff;
}

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

.btn-success:hover:not(:disabled) {
    background: #15803d;
    border-color: #15803d;
    color: #fff;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

.btn-block {
    width: 100%;
}

.btn-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* ---------- 表格 ---------- */
.table-wrap {
    overflow-x: auto;
}

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

.table th {
    text-align: left;
    padding: 11px 14px;
    background: #f9fafb;
    border-bottom: 1px solid var(--color-border);
    font-weight: 600;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.table td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

.table tbody tr:hover {
    background: #f9fafb;
}

.table .col-actions {
    white-space: nowrap;
    text-align: right;
}

.table .mono {
    font-family: "Consolas", "Monaco", monospace;
    font-size: 12px;
    color: var(--color-text-secondary);
}

/* ---------- 徽标 ---------- */
.badge {
    display: inline-block;
    padding: 2px 9px;
    border-radius: 12px;
    font-size: 12px;
    line-height: 1.6;
    white-space: nowrap;
}

.badge-success {
    background: var(--color-success-light);
    color: var(--color-success);
}

.badge-danger {
    background: var(--color-danger-light);
    color: var(--color-danger);
}

.badge-warning {
    background: var(--color-warning-light);
    color: var(--color-warning);
}

.badge-info {
    background: var(--color-info-light);
    color: var(--color-info);
}

.badge-default {
    background: var(--color-border);
    color: var(--color-text-secondary);
}

/* ---------- 分页 ---------- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-top: 1px solid var(--color-border);
    flex-wrap: wrap;
    gap: 12px;
}

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

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ---------- 弹窗 ---------- */
.modal-mask {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    z-index: 1000;
    padding: 40px 20px;
    overflow-y: auto;
}

.modal {
    background: var(--color-surface);
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 560px;
    margin: auto 0;
}

.modal-lg {
    max-width: 800px;
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 16px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    color: var(--color-text-muted);
    padding: 0 4px;
}

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

.modal-body {
    padding: 20px;
    max-height: 65vh;
    overflow-y: auto;
}

.modal-footer {
    padding: 14px 20px;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* ---------- 提示消息 ---------- */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    min-width: 260px;
    max-width: 400px;
    padding: 12px 16px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    background: var(--color-surface);
    border-left: 4px solid var(--color-info);
    font-size: 13px;
    animation: toast-in 0.22s ease-out;
}

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

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

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

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateX(24px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ---------- 空状态 / 加载中 ---------- */
.empty {
    text-align: center;
    padding: 48px 20px;
    color: var(--color-text-muted);
}

.empty-icon {
    font-size: 44px;
    margin-bottom: 12px;
}

.empty-text {
    font-size: 14px;
    margin-bottom: 6px;
}

.empty-hint {
    font-size: 12px;
}

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

.spinner {
    display: inline-block;
    width: 22px;
    height: 22px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    vertical-align: middle;
    margin-right: 8px;
}

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

/* ---------- 工具栏 ---------- */
.toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.toolbar .form-input,
.toolbar .form-select {
    width: auto;
    min-width: 150px;
}

.toolbar-spacer {
    flex: 1;
}

/* ---------- 代码块 ---------- */
.code-box {
    background: #1e293b;
    color: #e2e8f0;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    font-family: "Consolas", "Monaco", monospace;
    font-size: 12px;
    line-height: 1.7;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

/* ---------- 提示条 ---------- */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: 16px;
    border-left: 4px solid;
}

.alert-info {
    background: var(--color-info-light);
    border-left-color: var(--color-info);
    color: #155e75;
}

.alert-warning {
    background: var(--color-warning-light);
    border-left-color: var(--color-warning);
    color: #92400e;
}

.alert-danger {
    background: var(--color-danger-light);
    border-left-color: var(--color-danger);
    color: #991b1b;
}

.alert-success {
    background: var(--color-success-light);
    border-left-color: var(--color-success);
    color: #166534;
}

/* ---------- 描述列表 ---------- */
.desc-list {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 10px 16px;
    font-size: 13px;
}

.desc-label {
    color: var(--color-text-secondary);
}

.desc-value {
    word-break: break-all;
}

/* ---------- 迷你折线图 ---------- */
.chart-box {
    width: 100%;
    height: 260px;
    position: relative;
}

.chart-box svg {
    width: 100%;
    height: 100%;
}

/* ---------- 文字工具类 ---------- */
.text-muted {
    color: var(--color-text-muted);
}

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

.text-danger {
    color: var(--color-danger);
}

.text-success {
    color: var(--color-success);
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
    :root {
        --sidebar-width: 60px;
    }

    .sidebar-brand span,
    .nav-item span:not(.nav-icon),
    .sidebar-footer {
        display: none;
    }

    .nav-item {
        justify-content: center;
        padding: 12px 0;
    }

    .content {
        padding: 16px 12px;
    }

    .desc-list {
        grid-template-columns: 1fr;
        gap: 4px 0;
    }
}