/* ========================================
   如诗民宿 · 管理后台 v3.0 - 完整设计系统
   品牌调性：温暖、优雅、精致现代
   参考：Ant Design Pro / 飞书后台 / Linear
   ======================================== */

/* ====================================================================
   1. CSS 变量系统 - Design Tokens
   ==================================================================== */
:root {
    /* ---------- 品牌色 ---------- */
    --primary: #B8956A;
    --primary-light: #D4A882;
    --primary-lighter: #E8D5C0;
    --primary-lightest: #F5EBE1;
    --primary-dark: #A87A55;
    --primary-darker: #8E6444;
    --primary-bg: rgba(200, 149, 108, 0.06);
    --primary-bg-hover: rgba(200, 149, 108, 0.12);
    --primary-bg-active: rgba(200, 149, 108, 0.18);
    --primary-border: rgba(200, 149, 108, 0.3);
    --primary-shadow: rgba(200, 149, 108, 0.25);

    /* ---------- 深色 ---------- */
    --dark: #2D2A26;
    --dark-light: #3D3A36;
    --dark-lighter: #4D4A46;
    --dark-text: #1A1815;

    /* ---------- 背景色 ---------- */
    --bg: #F7F5F2;
    --bg-card: #FFFFFF;
    --bg-elevated: #FFFFFF;
    --bg-hover: #FAF8F6;
    --bg-active: #F0EDE8;
    --bg-spotlight: #FDF9F5;
    --bg-container: #F9F7F4;

    /* ---------- 边框 ---------- */
    --border: #E8E4DF;
    --border-light: #F0EDE8;
    --border-dark: #D4CFC7;
    --border-darker: #BFB9B0;

    /* ---------- 文字 ---------- */
    --text-primary: #2D2A26;
    --text-secondary: #6B6560;
    --text-tertiary: #8C857B;
    --text-hint: #B5AFA6;
    --text-disabled: #D0CBC3;
    --text-white: #FFFFFF;
    --text-link: #B8956A;
    --text-link-hover: #A87A55;
    --text-on-primary: #FFFFFF;

    /* ---------- 状态色 ---------- */
    --success: #5B9A6F;
    --success-light: rgba(91, 154, 111, 0.08);
    --success-lighter: rgba(91, 154, 111, 0.04);
    --success-bg: #EDF5EF;
    --success-border: rgba(91, 154, 111, 0.25);

    --warning: #D4A24E;
    --warning-light: rgba(212, 162, 78, 0.08);
    --warning-lighter: rgba(212, 162, 78, 0.04);
    --warning-bg: #FDF5E6;
    --warning-border: rgba(212, 162, 78, 0.25);

    --danger: #C45B5B;
    --danger-light: rgba(196, 91, 91, 0.08);
    --danger-lighter: rgba(196, 91, 91, 0.04);
    --danger-bg: #FCECEC;
    --danger-border: rgba(196, 91, 91, 0.25);

    --info: #5B8EC4;
    --info-light: rgba(91, 142, 196, 0.08);
    --info-lighter: rgba(91, 142, 196, 0.04);
    --info-bg: #ECF3FA;
    --info-border: rgba(91, 142, 196, 0.25);

    /* ---------- 扩展色 (Status Tag 8色) ---------- */
    --purple: #8B6FC0;
    --purple-light: rgba(139, 111, 192, 0.08);
    --purple-bg: #F3F0F8;

    --teal: #4EA8A6;
    --teal-light: rgba(78, 168, 166, 0.08);
    --teal-bg: #EBF6F6;

    --orange: #D4783A;
    --orange-light: rgba(212, 120, 58, 0.08);
    --orange-bg: #FDF0E6;

    --lime: #7BAF4E;
    --lime-light: rgba(123, 175, 78, 0.08);
    --lime-bg: #F0F6E8;

    /* ---------- 侧边栏 ---------- */
    --sidebar-bg: #2D2A26;
    --sidebar-bg-secondary: #252320;
    --sidebar-text: #A8A29E;
    --sidebar-text-hover: #E7E5E3;
    --sidebar-text-active: #FFFFFF;
    --sidebar-bg-hover: rgba(255, 255, 255, 0.06);
    --sidebar-bg-active: rgba(200, 149, 108, 0.2);
    --sidebar-bg-active-hover: rgba(200, 149, 108, 0.28);
    --sidebar-border: rgba(255, 255, 255, 0.06);
    --sidebar-width: 240px;
    --sidebar-collapsed-width: 64px;

    /* ---------- 顶栏 ---------- */
    --topbar-height: 56px;
    --topbar-bg: #FFFFFF;
    --topbar-border: #E8E4DF;
    --topbar-shadow: 0 1px 2px rgba(45, 42, 38, 0.04), 0 1px 3px rgba(45, 42, 38, 0.06);

    /* ---------- 圆角 ---------- */
    --radius-xs: 2px;
    --radius-sm: 4px;
    --radius: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-full: 9999px;

    /* ---------- 阴影 ---------- */
    --shadow-xs: 0 1px 2px rgba(45, 42, 38, 0.03);
    --shadow-sm: 0 1px 3px rgba(45, 42, 38, 0.04), 0 1px 2px rgba(45, 42, 38, 0.06);
    --shadow: 0 2px 8px rgba(45, 42, 38, 0.06), 0 1px 2px rgba(45, 42, 38, 0.04);
    --shadow-md: 0 4px 12px rgba(45, 42, 38, 0.06), 0 2px 4px rgba(45, 42, 38, 0.04);
    --shadow-lg: 0 8px 24px rgba(45, 42, 38, 0.1), 0 4px 8px rgba(45, 42, 38, 0.04);
    --shadow-xl: 0 16px 48px rgba(45, 42, 38, 0.12), 0 8px 16px rgba(45, 42, 38, 0.06);
    --shadow-2xl: 0 24px 64px rgba(45, 42, 38, 0.16);
    --shadow-focus: 0 0 0 3px var(--primary-bg), 0 0 0 1px var(--primary);
    --shadow-focus-error: 0 0 0 3px var(--danger-light), 0 0 0 1px var(--danger);

    /* ---------- 间距 ---------- */
    --spacing-2xs: 2px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 20px;
    --spacing-2xl: 24px;
    --spacing-3xl: 32px;
    --spacing-4xl: 40px;
    --spacing-5xl: 48px;
    --spacing-6xl: 64px;

    /* ---------- 字体 ---------- */
    --font-xs: 11px;
    --font-sm: 12px;
    --font-base: 13px;
    --font-md: 14px;
    --font-lg: 16px;
    --font-xl: 18px;
    --font-2xl: 20px;
    --font-title: 24px;
    --font-hero: 32px;
    --font-display: 40px;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --font-mono: "SF Mono", "Monaco", "Inconsolata", "Fira Code", "Roboto Mono", monospace;
    --font-number: "DIN Alternate", "Helvetica Neue", var(--font-family);
    --line-height-tight: 1.25;
    --line-height: 1.5;
    --line-height-relaxed: 1.75;

    /* ---------- 过渡 ---------- */
    --duration-fast: 0.12s;
    --duration-normal: 0.2s;
    --duration-slow: 0.3s;
    --ease-default: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-in: cubic-bezier(0.4, 0, 1, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --transition-fast: all var(--duration-fast) var(--ease-default);
    --transition: all var(--duration-normal) var(--ease-default);
    --transition-slow: all var(--duration-slow) var(--ease-default);

    /* ---------- 层级 (z-index) ---------- */
    --z-base: 0;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-sidebar: 400;
    --z-topbar: 500;
    --z-overlay-backdrop: 600;
    --z-overlay: 700;
    --z-modal: 800;
    --z-popover: 900;
    --z-toast: 1000;
    --z-tooltip: 1100;

    /* ---------- 尺寸 ---------- */
    --header-height: 56px;
    --sidebar-menu-height: 44px;
    --table-row-height: 48px;
    --table-header-height: 44px;
    --input-height: 36px;
    --input-height-md: 36px;
    --input-height-lg: 40px;
    --input-height-sm: 28px;
    --btn-height: 34px;
    --btn-height-sm: 28px;
    --btn-height-lg: 40px;

    /* ---------- 内容宽度 ---------- */
    --content-max-width: 1440px;
}

/* ====================================================================
   1b. 暗色模式变量 (body.dark-mode)
   ==================================================================== */
body.dark-mode {
    /* 背景色 */
    --bg: #141218;
    --bg-card: #1E1B19;
    --bg-elevated: #252220;
    --bg-hover: #2A2725;
    --bg-active: #332F2C;
    --bg-spotlight: #1A1816;
    --bg-container: #1A1816;

    /* 边框 */
    --border: #2E2A27;
    --border-light: #252220;
    --border-dark: #3D3935;
    --border-darker: #4A4641;

    /* 文字 */
    --text-primary: #F0EDE8;
    --text-secondary: #A8A29E;
    --text-tertiary: #8C857B;
    --text-hint: #6B6560;
    --text-disabled: #4A4641;
    --text-on-primary: #FFFFFF;
    --text-link: #D4A882;
    --text-link-hover: #E8C4A0;

    /* 状态背景 */
    --success-bg: rgba(91, 154, 111, 0.12);
    --success-light: rgba(91, 154, 111, 0.12);

    --warning-bg: rgba(212, 162, 78, 0.12);
    --warning-light: rgba(212, 162, 78, 0.12);

    --danger-bg: rgba(196, 91, 91, 0.12);
    --danger-light: rgba(196, 91, 91, 0.12);

    --info-bg: rgba(91, 142, 196, 0.12);
    --info-light: rgba(91, 142, 196, 0.12);

    --primary-bg: rgba(200, 149, 108, 0.1);
    --primary-bg-hover: rgba(200, 149, 108, 0.18);

    --purple-bg: rgba(139, 111, 192, 0.12);
    --purple-light: rgba(139, 111, 192, 0.12);
    --teal-bg: rgba(78, 168, 166, 0.12);
    --teal-light: rgba(78, 168, 166, 0.12);
    --orange-bg: rgba(212, 120, 58, 0.12);
    --orange-light: rgba(212, 120, 58, 0.12);
    --lime-bg: rgba(123, 175, 78, 0.12);
    --lime-light: rgba(123, 175, 78, 0.12);

    /* 顶栏 */
    --topbar-bg: #1E1B19;
    --topbar-border: #2E2A27;
    --topbar-shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 1px 3px rgba(0, 0, 0, 0.15);

    /* 侧边栏 */
    --sidebar-bg: #141218;
    --sidebar-bg-secondary: #0F0D0C;
    --sidebar-text: #78716C;
    --sidebar-text-hover: #D6D3D1;
    --sidebar-text-active: #F5F5F4;
    --sidebar-bg-hover: rgba(255, 255, 255, 0.04);
    --sidebar-bg-active: rgba(200, 149, 108, 0.18);
    --sidebar-bg-active-hover: rgba(200, 149, 108, 0.25);
    --sidebar-border: rgba(255, 255, 255, 0.04);

    /* 阴影 - 暗色模式下更微妙 */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.25), 0 1px 2px rgba(0, 0, 0, 0.15);
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.25), 0 1px 2px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.25), 0 2px 4px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.3), 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.35);
    --shadow-2xl: 0 24px 64px rgba(0, 0, 0, 0.4);
}

/* ====================================================================
   2. 全局重置 & 基础排版
   ==================================================================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-md);
    color: var(--text-primary);
    background: var(--bg);
    line-height: var(--line-height);
    overflow-x: hidden;
    transition: background-color var(--duration-slow) var(--ease-default),
                color var(--duration-slow) var(--ease-default);
}

/* 排版层级 */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: var(--line-height-tight);
    color: var(--text-primary);
}

h1 { font-size: var(--font-display); }
h2 { font-size: var(--font-hero); }
h3 { font-size: var(--font-title); }
h4 { font-size: var(--font-2xl); }
h5 { font-size: var(--font-xl); }
h6 { font-size: var(--font-lg); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    line-height: var(--line-height);
}

a {
    text-decoration: none;
    color: var(--text-link);
    transition: color var(--duration-fast) var(--ease-default);
}

a:hover {
    color: var(--text-link-hover);
}

img {
    max-width: 100%;
    display: block;
}

ul, ol {
    list-style: none;
}

input, textarea, select, button {
    font-family: inherit;
    font-size: inherit;
    outline: none;
    border: none;
    background: none;
    -webkit-appearance: none;
    appearance: none;
}

button {
    cursor: pointer;
}

table {
    border-collapse: collapse;
    width: 100%;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-dark);
    border-radius: var(--radius-full);
    transition: background var(--duration-fast) var(--ease-default);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-hint);
}

body.dark-mode ::-webkit-scrollbar-thumb {
    background: var(--border-dark);
}

body.dark-mode ::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

::selection {
    background: var(--primary-lighter);
    color: var(--dark);
}

body.dark-mode ::selection {
    background: var(--primary-bg-active);
    color: var(--text-primary);
}

/* 焦点可见性 (无障碍) */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

/* ====================================================================
   3. 登录页 - 全屏背景 + 毛玻璃卡片 + 动画入场
   ==================================================================== */
#login-page {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    overflow: hidden;
}

.login-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('assets/logo.jpg') center center / cover no-repeat;
    filter: blur(3px) brightness(0.6) saturate(1.2);
    transform: scale(1.08);
    animation: loginBgIn 1s var(--ease-out) forwards;
}

@keyframes loginBgIn {
    from {
        transform: scale(1.15);
        filter: blur(6px) brightness(0.4) saturate(1);
    }
    to {
        transform: scale(1.08);
        filter: blur(3px) brightness(0.6) saturate(1.2);
    }
}

.login-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(45, 42, 38, 0.65) 0%,
        rgba(45, 42, 38, 0.45) 40%,
        rgba(200, 149, 108, 0.2) 100%
    );
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

/* 装饰浮动光斑 */
.login-overlay::before,
.login-overlay::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: floatGlow 8s var(--ease-in-out) infinite alternate;
}

.login-overlay::before {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: -100px;
    right: -100px;
}

.login-overlay::after {
    width: 300px;
    height: 300px;
    background: var(--primary-light);
    bottom: -80px;
    left: -80px;
    animation-delay: -4s;
}

@keyframes floatGlow {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, -20px) scale(1.15); }
}

.login-container {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    padding: var(--spacing-xl);
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(24px) saturate(1.8);
    -webkit-backdrop-filter: blur(24px) saturate(1.8);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-5xl) 36px var(--spacing-4xl);
    box-shadow: var(--shadow-2xl),
                0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    animation: loginCardIn 0.7s var(--ease-spring) 0.15s forwards;
    opacity: 0;
    transform: translateY(24px) scale(0.96);
}

body.dark-mode .login-card {
    background: rgba(30, 27, 25, 0.92);
    box-shadow: var(--shadow-2xl),
                0 0 0 1px rgba(255, 255, 255, 0.06) inset;
}

@keyframes loginCardIn {
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.login-logo {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto var(--spacing-lg);
    box-shadow: 0 4px 16px rgba(200, 149, 108, 0.35);
    border: 3px solid var(--primary-lighter);
    animation: logoPulse 3s var(--ease-in-out) infinite;
}

@keyframes logoPulse {
    0%, 100% { box-shadow: 0 4px 16px rgba(200, 149, 108, 0.35); }
    50% { box-shadow: 0 4px 24px rgba(200, 149, 108, 0.5); }
}

.login-title {
    font-size: 26px;
    font-weight: 600;
    color: var(--dark);
    letter-spacing: 3px;
    margin-bottom: var(--spacing-xs);
}

.login-subtitle {
    font-size: var(--font-sm);
    color: var(--text-tertiary);
    letter-spacing: 6px;
    text-transform: uppercase;
}

.login-form .form-group {
    margin-bottom: var(--spacing-xl);
}

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

.login-form .input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.login-form .input-icon {
    position: absolute;
    left: 14px;
    font-size: 16px;
    color: var(--text-hint);
    z-index: 1;
    transition: color var(--duration-fast) var(--ease-default);
}

.login-form .form-input:focus ~ .input-icon,
.login-form .form-input:focus + .input-icon {
    color: var(--primary);
}

.login-form .form-input {
    width: 100%;
    height: 46px;
    padding: 0 42px 0 40px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(4px);
    font-size: var(--font-md);
    color: var(--text-primary);
    transition: var(--transition);
}

.login-form .form-input::placeholder {
    color: var(--text-hint);
}

.login-form .form-input:hover:not(:focus) {
    border-color: var(--border-dark);
    background: rgba(255, 255, 255, 0.85);
}

.login-form .form-input:focus {
    border-color: var(--primary);
    box-shadow: var(--shadow-focus);
    background: rgba(255, 255, 255, 0.95);
}

body.dark-mode .login-form .form-input {
    background: rgba(255, 255, 255, 0.04);
}

body.dark-mode .login-form .form-input:hover:not(:focus) {
    background: rgba(255, 255, 255, 0.06);
}

body.dark-mode .login-form .form-input:focus {
    background: rgba(255, 255, 255, 0.08);
}

.login-form .input-icon-btn {
    position: absolute;
    right: 10px;
    font-size: 16px;
    color: var(--text-hint);
    padding: var(--spacing-xs);
    cursor: pointer;
    z-index: 1;
    transition: color var(--duration-fast) var(--ease-default);
}

.login-form .input-icon-btn:hover {
    color: var(--text-secondary);
}

.login-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-2xl);
}

/* 自定义复选框 */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-sm);
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 16px;
    height: 16px;
    border: 1.5px solid var(--border-dark);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    position: relative;
    flex-shrink: 0;
}

.checkbox-label:hover .checkbox-custom {
    border-color: var(--primary);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
    background: var(--primary);
    border-color: var(--primary);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '';
    position: absolute;
    top: 1px;
    left: 5px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.btn-login {
    height: 46px;
    font-size: var(--font-lg);
    font-weight: 500;
    letter-spacing: 6px;
    border-radius: var(--radius);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-login::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s var(--ease-default), height 0.6s var(--ease-default);
}

.btn-login:active::after {
    width: 300px;
    height: 300px;
}

.btn-login:hover {
    background: var(--primary-dark);
    box-shadow: 0 6px 20px rgba(200, 149, 108, 0.35);
    transform: translateY(-1px);
}

.btn-login:active {
    transform: translateY(0) scale(0.98);
}

.login-error {
    margin-top: var(--spacing-lg);
    padding: 10px 14px;
    background: var(--danger-bg);
    border: 1px solid var(--danger-border);
    border-radius: var(--radius-sm);
    color: var(--danger);
    font-size: var(--font-sm);
    text-align: center;
    animation: shakeIn 0.4s var(--ease-default);
}

@keyframes shakeIn {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}

.login-footer {
    margin-top: var(--spacing-2xl);
    text-align: center;
}

.login-footer p {
    font-size: var(--font-xs);
    color: var(--text-hint);
}

/* ====================================================================
   4. 主框架布局 - 56px顶栏 + 240px侧边栏 + 内容区
   ==================================================================== */
#app-frame {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: visible;
}

/* ====================================================================
   5. 顶栏 - 白色背景，全局搜索框(Ctrl+K)，通知铃铛，用户头像下拉
   ==================================================================== */
#topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--topbar-height);
    background: var(--topbar-bg);
    border-bottom: 1px solid var(--topbar-border);
    box-shadow: var(--topbar-shadow);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-xl);
    z-index: var(--z-topbar);
    transition: var(--transition-slow);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    min-width: 240px;
}

.topbar-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    color: var(--text-secondary);
    transition: var(--transition-fast);
    position: relative;
}

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

.topbar-btn:active {
    transform: scale(0.95);
}

.topbar-logo {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-lighter);
    flex-shrink: 0;
}

.topbar-brand {
    font-size: var(--font-xl);
    font-weight: 600;
    color: var(--dark);
    letter-spacing: 1px;
    white-space: nowrap;
}

.topbar-divider {
    width: 1px;
    height: 20px;
    background: var(--border);
    margin: 0 var(--spacing-xs);
}

.topbar-env {
    font-size: var(--font-xs);
    color: var(--primary);
    background: var(--primary-bg);
    padding: 2px 10px;
    border-radius: var(--radius-full);
    border: 1px solid var(--primary-border);
    white-space: nowrap;
    font-weight: 500;
}

/* 全局搜索框 */
.topbar-center {
    flex: 1;
    max-width: 520px;
    margin: 0 var(--spacing-4xl);
}

.global-search {
    position: relative;
    width: 100%;
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-hint);
    pointer-events: none;
    transition: color var(--duration-fast) var(--ease-default);
}

.search-input {
    width: 100%;
    height: 36px;
    padding: 0 72px 0 40px;
    background: var(--bg);
    border: 1px solid transparent;
    border-radius: var(--radius-full);
    font-size: var(--font-sm);
    color: var(--text-primary);
    transition: var(--transition);
}

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

.search-input:hover {
    background: var(--bg-hover);
    border-color: var(--border);
}

.search-input:focus {
    background: var(--bg-card);
    border-color: var(--primary);
    box-shadow: var(--shadow-focus);
}

.search-input:focus ~ .search-icon {
    color: var(--primary);
}

.search-kbd {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-family);
    font-size: 11px;
    color: var(--text-hint);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    padding: 1px 6px;
    pointer-events: none;
    line-height: 1.4;
}

body.dark-mode .search-kbd {
    background: var(--bg-elevated);
    border-color: var(--border-dark);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 240px;
    justify-content: flex-end;
}

/* 通知 */
.topbar-notifications {
    position: relative;
}

.notif-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 16px;
    height: 16px;
    line-height: 16px;
    text-align: center;
    font-size: 10px;
    font-weight: 600;
    color: white;
    background: var(--danger);
    border-radius: var(--radius-full);
    padding: 0 4px;
    animation: badgePulse 2s var(--ease-in-out) infinite;
    border: 2px solid var(--topbar-bg);
}

@keyframes badgePulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

.notif-panel {
    position: absolute;
    top: calc(100% + 8px);
    right: -8px;
    width: 380px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
    z-index: var(--z-popover);
    animation: dropIn 0.2s var(--ease-out) forwards;
    overflow: hidden;
}

@keyframes dropIn {
    from {
        opacity: 0;
        transform: translateY(-8px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.notif-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.notif-panel-header h4 {
    font-size: var(--font-md);
    font-weight: 600;
    color: var(--text-primary);
}

.notif-panel-body {
    max-height: 340px;
    overflow-y: auto;
}

.notif-panel-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-light);
    text-align: center;
}

.link-btn {
    font-size: var(--font-sm);
    color: var(--primary);
    cursor: pointer;
    background: none;
    border: none;
    transition: color var(--duration-fast) var(--ease-default);
}

.link-btn:hover {
    color: var(--primary-dark);
}

/* 通知项 */
.notif-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    cursor: pointer;
    transition: background var(--duration-fast) var(--ease-default);
}

.notif-item:last-child {
    border-bottom: none;
}

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

.notif-item.unread {
    background: var(--primary-bg);
}

.notif-item.unread:hover {
    background: var(--primary-bg-hover);
}

.notif-icon-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.notif-icon-circle.order { background: var(--info-light); }
.notif-icon-circle.alert { background: var(--danger-light); }
.notif-icon-circle.system { background: var(--warning-light); }
.notif-icon-circle.success { background: var(--success-light); }

.notif-content {
    flex: 1;
    min-width: 0;
}

.notif-title {
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.notif-desc {
    font-size: var(--font-xs);
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.notif-time {
    font-size: var(--font-xs);
    color: var(--text-hint);
    white-space: nowrap;
    flex-shrink: 0;
}

.notif-empty {
    padding: var(--spacing-5xl) var(--spacing-xl);
    text-align: center;
    color: var(--text-hint);
    font-size: var(--font-sm);
}

/* 用户信息 & 下拉菜单 */
.topbar-user {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 4px var(--spacing-sm);
    border-radius: var(--radius);
    cursor: pointer;
    transition: background var(--duration-fast) var(--ease-default);
}

.topbar-user:hover {
    background: var(--bg-hover);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-lighter);
    flex-shrink: 0;
}

.user-info {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}

.user-name {
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.user-role {
    font-size: 11px;
    color: var(--text-hint);
}

.user-arrow {
    color: var(--text-hint);
    transition: transform var(--duration-fast) var(--ease-default);
    flex-shrink: 0;
}

.topbar-user:hover .user-arrow,
.topbar-user.active .user-arrow {
    transform: rotate(180deg);
}

/* 用户下拉菜单 */
.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: -4px;
    width: 240px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
    z-index: var(--z-popover);
    animation: dropIn 0.2s var(--ease-out) forwards;
    overflow: hidden;
}

.user-dropdown-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
}

.dropdown-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-lighter);
}

.dropdown-info {
    display: flex;
    flex-direction: column;
}

.dropdown-name {
    font-size: var(--font-md);
    font-weight: 600;
    color: var(--text-primary);
}

.dropdown-role {
    font-size: var(--font-xs);
    color: var(--text-hint);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-light);
    margin: 0;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    font-size: var(--font-sm);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--bg-hover);
    color: var(--primary);
}

.dropdown-item svg {
    flex-shrink: 0;
    opacity: 0.6;
}

.dropdown-item:hover svg {
    opacity: 1;
}

.dropdown-item-danger {
    color: var(--danger) !important;
}

.dropdown-item-danger:hover {
    background: var(--danger-bg) !important;
    color: var(--danger) !important;
}

/* ====================================================================
   6. 侧边栏 - 深色背景，菜单图标+文字，hover/active态，子菜单折叠
   ==================================================================== */
#sidebar {
    position: fixed;
    top: var(--topbar-height);
    left: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--topbar-height));
    background: var(--sidebar-bg);
    z-index: var(--z-sidebar);
    overflow-y: auto;
    overflow-x: hidden;
    transition: width var(--duration-slow) var(--ease-default);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--sidebar-border);
}

#sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

#sidebar-nav {
    flex: 1;
    padding: var(--spacing-sm) 0;
}

/* 侧边栏分组标题 */
.nav-group {
    margin-bottom: var(--spacing-xs);
}

.nav-group-title {
    padding: var(--spacing-md) 20px var(--spacing-xs);
    font-size: 10px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.25);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    white-space: nowrap;
    overflow: hidden;
    transition: opacity var(--duration-normal) var(--ease-default),
                height var(--duration-normal) var(--ease-default);
}

body.dark-mode .nav-group-title {
    color: rgba(255, 255, 255, 0.2);
}

#sidebar.collapsed .nav-group-title {
    opacity: 0;
    height: 0;
    padding: 0;
    margin: 0;
    overflow: hidden;
}

/* 侧边栏菜单项 */
.nav-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 0 20px;
    height: var(--sidebar-menu-height);
    color: var(--sidebar-text);
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
    border-radius: 0;
}

.nav-item:hover {
    color: var(--sidebar-text-hover);
    background: var(--sidebar-bg-hover);
}

.nav-item.active {
    color: var(--sidebar-text-active);
    background: var(--sidebar-bg-active);
}

.nav-item.active:hover {
    background: var(--sidebar-bg-active-hover);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 3px;
    background: var(--primary);
    border-radius: 0 3px 3px 0;
}

.nav-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 16px;
    opacity: 0.7;
    transition: opacity var(--duration-fast) var(--ease-default);
}

.nav-item:hover .nav-icon,
.nav-item.active .nav-icon {
    opacity: 1;
}

.nav-label {
    flex: 1;
    font-size: var(--font-sm);
    overflow: hidden;
    text-overflow: ellipsis;
    transition: opacity var(--duration-normal) var(--ease-default),
                width var(--duration-normal) var(--ease-default);
}

#sidebar.collapsed .nav-label {
    opacity: 0;
    width: 0;
}

/* 子菜单展开箭头 */
.nav-arrow {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 12px;
    color: var(--sidebar-text);
    opacity: 0.5;
    transition: transform var(--duration-normal) var(--ease-default),
                opacity var(--duration-fast) var(--ease-default);
}

.nav-arrow.open {
    transform: rotate(90deg);
    opacity: 0.7;
}

#sidebar.collapsed .nav-arrow {
    opacity: 0;
    width: 0;
}

.nav-badge {
    min-width: 18px;
    height: 18px;
    line-height: 18px;
    text-align: center;
    font-size: 10px;
    font-weight: 600;
    color: white;
    background: var(--danger);
    border-radius: var(--radius-full);
    padding: 0 5px;
    flex-shrink: 0;
    transition: opacity var(--duration-normal) var(--ease-default);
}

#sidebar.collapsed .nav-badge {
    opacity: 0;
    width: 0;
    min-width: 0;
    padding: 0;
    overflow: hidden;
}

/* 子菜单 */
.nav-submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--duration-slow) var(--ease-default);
    background: rgba(0, 0, 0, 0.12);
}

.nav-submenu.open {
    max-height: 500px;
}

body.dark-mode .nav-submenu {
    background: rgba(0, 0, 0, 0.2);
}

.nav-submenu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 0 20px 0 56px;
    height: 38px;
    color: var(--sidebar-text);
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
    font-size: var(--font-sm);
    text-decoration: none;
}

.nav-submenu-item:hover {
    color: var(--sidebar-text-hover);
    background: var(--sidebar-bg-hover);
}

.nav-submenu-item.active {
    color: var(--sidebar-text-active);
    background: var(--sidebar-bg-active);
}

.nav-submenu-item.active::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
    flex-shrink: 0;
}

#sidebar.collapsed .nav-submenu {
    display: none;
}

/* 侧边栏折叠悬浮触发 */
.sidebar-trigger {
    position: fixed;
    top: var(--topbar-height);
    left: var(--sidebar-collapsed-width);
    width: 0;
    height: calc(100vh - var(--topbar-height));
    z-index: calc(var(--z-sidebar) - 1);
}

.sidebar-trigger:hover #sidebar,
#sidebar-trigger:hover ~ #sidebar {
    width: var(--sidebar-width);
}

/* 侧边栏底部 */
.sidebar-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--sidebar-border);
}

.sidebar-version {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.2);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    transition: opacity var(--duration-normal) var(--ease-default);
}

#sidebar.collapsed .sidebar-version {
    opacity: 0;
}

/* ====================================================================
   7. 主内容区
   ==================================================================== */
#main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--topbar-height);
    height: calc(100vh - var(--topbar-height));
    overflow-y: auto;
    overflow-x: auto;
    transition: margin-left var(--duration-slow) var(--ease-default);
    background: var(--bg);
}

#main-content.expanded {
    margin-left: var(--sidebar-collapsed-width);
}

.content-wrapper {
    padding: var(--spacing-xl) var(--spacing-2xl) var(--spacing-3xl);
    max-width: var(--content-max-width);
    min-width: 640px;
}

/* ====================================================================
   8. 面包屑 - 分隔符导航
   ==================================================================== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: var(--spacing-xl);
    font-size: var(--font-sm);
    color: var(--text-hint);
}

.breadcrumb-item {
    cursor: pointer;
    transition: color var(--duration-fast) var(--ease-default);
}

.breadcrumb-item:hover {
    color: var(--primary);
}

.breadcrumb-item.active {
    color: var(--text-primary);
    cursor: default;
    font-weight: 500;
}

.breadcrumb-sep {
    color: var(--text-hint);
    font-size: 12px;
    opacity: 0.6;
}

/* ====================================================================
   9. 页面标题
   ==================================================================== */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
}

.page-title {
    font-size: var(--font-title);
    font-weight: 600;
    color: var(--text-primary);
}

.page-title-sub {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.page-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* ====================================================================
   10. KPI 统计卡片 - 左侧图标 + 右侧数字 + 底部sparkline迷你图
   ==================================================================== */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    transition: var(--transition);
    cursor: default;
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: transparent;
    transition: background var(--duration-normal) var(--ease-default);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
    border-color: var(--border);
}

.stat-card:hover::after {
    background: var(--primary);
}

.stat-card-top {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
    transition: transform var(--duration-normal) var(--ease-bounce);
}

.stat-card:hover .stat-icon {
    transform: scale(1.08);
}

.stat-icon.primary { background: var(--primary-bg); color: var(--primary); }
.stat-icon.success { background: var(--success-light); color: var(--success); }
.stat-icon.info    { background: var(--info-light);    color: var(--info); }
.stat-icon.warning { background: var(--warning-light); color: var(--warning); }
.stat-icon.danger  { background: var(--danger-light);  color: var(--danger); }

.stat-body {
    flex: 1;
    min-width: 0;
}

.stat-label {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    font-size: var(--font-hero);
    font-weight: 700;
    color: var(--text-primary);
    line-height: var(--line-height-tight);
    font-family: var(--font-number);
    letter-spacing: -0.5px;
}

.stat-change {
    font-size: var(--font-xs);
    margin-top: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 500;
}

.stat-change.up   { color: var(--success); }
.stat-change.down { color: var(--danger); }

.stat-change-icon {
    font-size: 12px;
}

/* Sparkline 迷你图区域 */
.stat-sparkline {
    height: 32px;
    width: 100%;
    margin-top: var(--spacing-xs);
}

.stat-sparkline svg {
    width: 100%;
    height: 100%;
}

.stat-sparkline path {
    fill: none;
    stroke: var(--primary);
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    opacity: 0.4;
}

.stat-sparkline path.area {
    fill: var(--primary-bg);
    stroke: none;
    opacity: 1;
}

/* ====================================================================
   11. 通用卡片
   ==================================================================== */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--border-light);
    overflow: hidden;
    transition: box-shadow var(--duration-normal) var(--ease-default),
                border-color var(--duration-normal) var(--ease-default);
}

.card:hover {
    box-shadow: var(--shadow-sm);
    border-color: var(--border);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid var(--border-light);
}

.card-title {
    font-size: var(--font-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.card-extra {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.card-body {
    padding: var(--spacing-xl);
}

.card-footer {
    padding: var(--spacing-md) var(--spacing-xl);
    border-top: 1px solid var(--border-light);
    background: var(--bg-hover);
}

/* ====================================================================
   12. Bento Grid 卡片布局 - 灵活的grid布局系统
   ==================================================================== */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.bento-grid .bento-item {
    min-height: 0;
}

.bento-item.span-1 { grid-column: span 1; }
.bento-item.span-2 { grid-column: span 2; }
.bento-item.span-3 { grid-column: span 3; }
.bento-item.span-4 { grid-column: span 4; }
.bento-item.span-full { grid-column: 1 / -1; }

.bento-item.row-2 { grid-row: span 2; }
.bento-item.row-3 { grid-row: span 3; }

/* 基础网格布局 */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.grid-6 {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

/* ====================================================================
   13. 标签页 Tabs - 下划线风格
   ==================================================================== */
.tabs {
    display: flex;
    align-items: center;
    gap: 0;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: var(--spacing-xl);
    overflow-x: auto;
    flex-shrink: 0;
}

.tab-item {
    padding: 10px 20px;
    font-size: var(--font-sm);
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--transition-fast);
    white-space: nowrap;
    position: relative;
    margin-bottom: -1px;
}

.tab-item:hover {
    color: var(--text-primary);
}

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

.tab-item .tab-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 16px;
    height: 16px;
    font-size: 10px;
    font-weight: 600;
    color: var(--danger);
    background: var(--danger-bg);
    border-radius: var(--radius-full);
    padding: 0 4px;
    margin-left: 6px;
}

/* ====================================================================
   14. 按钮系统 - 5种变体 + 3种尺寸
   ==================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0 16px;
    height: var(--btn-height);
    font-size: var(--font-sm);
    font-weight: 500;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
    user-select: none;
    line-height: 1;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn svg {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
}

/* Primary - 主色按钮 */
.btn-primary {
    color: white;
    background: var(--primary);
    box-shadow: 0 1px 2px rgba(200, 149, 108, 0.2);
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 2px 8px rgba(200, 149, 108, 0.35);
    transform: translateY(-1px);
}

.btn-primary:active {
    background: var(--primary-darker);
    transform: translateY(0) scale(0.98);
}

/* Secondary - 次要按钮 */
.btn-secondary {
    color: var(--text-primary);
    background: var(--bg-card);
    border: 1px solid var(--border);
}

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

.btn-secondary:active {
    transform: scale(0.98);
}

/* Ghost - 幽灵按钮 */
.btn-ghost {
    color: var(--text-secondary);
    background: transparent;
}

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

.btn-ghost:active {
    background: var(--bg-active);
    transform: scale(0.98);
}

/* Danger - 危险按钮 */
.btn-danger {
    color: white;
    background: var(--danger);
    box-shadow: 0 1px 2px rgba(196, 91, 91, 0.2);
}

.btn-danger:hover {
    background: #B04A4A;
    box-shadow: 0 2px 8px rgba(196, 91, 91, 0.35);
    transform: translateY(-1px);
}

.btn-danger:active {
    transform: translateY(0) scale(0.98);
}

/* Link - 链接按钮 */
.btn-link {
    color: var(--primary);
    background: transparent;
    padding: 0;
    height: auto;
    border-radius: 0;
}

.btn-link:hover {
    color: var(--primary-dark);
    background: transparent;
}

/* 扩展按钮颜色 */
.btn-success {
    color: white;
    background: var(--success);
}

.btn-success:hover {
    background: #4E8A61;
    box-shadow: 0 2px 8px rgba(91, 154, 111, 0.3);
}

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

.btn-warning:hover {
    background: #C4923E;
}

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

.btn-info:hover {
    background: #4E7DB3;
}

/* 尺寸变体 */
.btn-sm {
    padding: 0 10px;
    height: var(--btn-height-sm);
    font-size: var(--font-xs);
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 0 24px;
    height: var(--btn-height-lg);
    font-size: var(--font-md);
    border-radius: var(--radius-md);
}

/* 块级按钮 */
.btn-block {
    width: 100%;
}

/* 图标按钮 */
.btn-icon {
    width: var(--btn-height);
    padding: 0;
}

.btn-icon.btn-sm {
    width: var(--btn-height-sm);
}

.btn-icon.btn-lg {
    width: var(--btn-height-lg);
}

/* 禁用状态 */
.btn:disabled,
.btn.disabled {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}

/* 按钮组 */
.btn-group {
    display: flex;
    align-items: center;
}

.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn + .btn {
    margin-left: -1px;
}

.btn-group .btn:first-child {
    border-radius: var(--radius) 0 0 var(--radius);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--radius) var(--radius) 0;
}

.btn-group .btn.active {
    z-index: 1;
}

/* 按钮加载状态 */
.btn-loading {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    pointer-events: none;
    opacity: 0.8;
}

.spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ====================================================================
   15. 表格 - 固定表头，斑马纹，hover高亮，固定操作列
   ==================================================================== */
.table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    max-height: 600px;
    overflow-y: auto;
}

.table-wrapper .table-header {
    position: sticky;
    top: 0;
    z-index: 2;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-sm);
}

.data-table thead {
    background: var(--bg);
}

.data-table thead th {
    padding: 12px var(--spacing-lg);
    font-weight: 600;
    font-size: var(--font-xs);
    color: var(--text-secondary);
    text-align: left;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
    user-select: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--bg);
}

.data-table thead th.sortable {
    cursor: pointer;
}

.data-table thead th.sortable:hover {
    color: var(--text-primary);
}

.data-table thead th .sort-icon {
    display: inline-block;
    margin-left: 4px;
    font-size: 10px;
    opacity: 0.3;
    vertical-align: middle;
    transition: opacity var(--duration-fast) var(--ease-default);
}

.data-table thead th .sort-icon.asc,
.data-table thead th .sort-icon.desc {
    opacity: 1;
    color: var(--primary);
}

.data-table tbody tr {
    border-bottom: 1px solid var(--border-light);
    transition: background var(--duration-fast) var(--ease-default);
}

.data-table tbody tr:last-child {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background: var(--bg-hover);
}

/* 斑马纹 */
.data-table tbody tr:nth-child(even) {
    background: var(--bg-spotlight);
}

.data-table tbody tr:nth-child(even):hover {
    background: var(--bg-hover);
}

.data-table tbody td {
    padding: 12px var(--spacing-lg);
    color: var(--text-primary);
    vertical-align: middle;
    height: var(--table-row-height);
}

/* 表格固定列 */
.data-table .col-fixed-left {
    position: sticky;
    left: 0;
    z-index: 1;
    background: inherit;
}

.data-table .col-fixed-left::after {
    content: '';
    position: absolute;
    top: 0;
    right: -6px;
    bottom: 0;
    width: 6px;
    background: linear-gradient(to right, rgba(0,0,0,0.04), transparent);
    pointer-events: none;
}

.data-table thead .col-fixed-left {
    z-index: 3;
    background: var(--bg);
}

/* 表格操作列 */
.table-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.table-actions .btn {
    padding: 0 8px;
    height: 28px;
    font-size: var(--font-xs);
}

/* 表格空状态 */
.table-empty {
    text-align: center;
    padding: var(--spacing-5xl) var(--spacing-xl);
    color: var(--text-hint);
}

.table-empty-icon {
    font-size: 40px;
    margin-bottom: var(--spacing-md);
    opacity: 0.3;
}

/* ====================================================================
   16. 分页 Pagination - 页码+上下页+跳转
   ==================================================================== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-xl);
    border-top: 1px solid var(--border-light);
    background: var(--bg-card);
}

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

.pagination-pages {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.page-btn {
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-sm);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    background: var(--bg-card);
}

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

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

.page-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.page-ellipsis {
    min-width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-sm);
    color: var(--text-hint);
}

/* 分页跳转 */
.pagination-jumper {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

.pagination-jumper input {
    width: 48px;
    height: 32px;
    text-align: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: var(--font-sm);
    color: var(--text-primary);
    background: var(--bg-card);
    transition: border-color var(--duration-fast) var(--ease-default);
}

.pagination-jumper input:focus {
    border-color: var(--primary);
    box-shadow: var(--shadow-focus);
}

/* ====================================================================
   17. 筛选栏
   ==================================================================== */
.filter-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-label {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    white-space: nowrap;
}

.filter-select {
    height: var(--input-height-sm);
    padding: 0 28px 0 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: var(--font-sm);
    cursor: pointer;
    transition: border-color var(--duration-fast) var(--ease-default);
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238C857B' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 12px;
}

.filter-select:focus {
    border-color: var(--primary);
    box-shadow: var(--shadow-focus);
}

.filter-input {
    height: var(--input-height-sm);
    padding: 0 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: var(--font-sm);
    width: 180px;
    transition: border-color var(--duration-fast) var(--ease-default);
}

.filter-input:focus {
    border-color: var(--primary);
    box-shadow: var(--shadow-focus);
}

.filter-input::placeholder {
    color: var(--text-hint);
}

.filter-date {
    height: var(--input-height-sm);
    padding: 0 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: var(--font-sm);
    cursor: pointer;
    transition: border-color var(--duration-fast) var(--ease-default);
}

.filter-date:focus {
    border-color: var(--primary);
    box-shadow: var(--shadow-focus);
}

.filter-divider {
    width: 1px;
    height: 24px;
    background: var(--border);
}

.filter-spacer {
    flex: 1;
}

/* ====================================================================
   18. 表单 - 输入框36px高，圆角6px，focus主色边框
   ==================================================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

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

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

.form-input {
    width: 100%;
    height: var(--input-height);
    padding: 0 var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: var(--font-md);
    transition: var(--transition-fast);
}

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

.form-input:hover:not(:focus) {
    border-color: var(--border-dark);
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: var(--shadow-focus);
}

.form-input.error {
    border-color: var(--danger);
    box-shadow: var(--shadow-focus-error);
}

.form-input[readonly] {
    background: var(--bg);
    cursor: not-allowed;
    color: var(--text-secondary);
}

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

.form-textarea {
    width: 100%;
    min-height: 100px;
    padding: var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: var(--font-md);
    resize: vertical;
    transition: var(--transition-fast);
    line-height: var(--line-height);
}

.form-textarea::placeholder {
    color: var(--text-hint);
}

.form-textarea:focus {
    border-color: var(--primary);
    box-shadow: var(--shadow-focus);
}

.form-select {
    width: 100%;
    height: var(--input-height);
    padding: 0 32px 0 var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: var(--font-md);
    cursor: pointer;
    transition: border-color var(--duration-fast) var(--ease-default);
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238C857B' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.form-select:focus {
    border-color: var(--primary);
    box-shadow: var(--shadow-focus);
}

.form-help {
    font-size: var(--font-xs);
    color: var(--text-hint);
    margin-top: var(--spacing-xs);
}

.form-error {
    font-size: var(--font-xs);
    color: var(--danger);
    margin-top: var(--spacing-xs);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.form-row-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

/* ====================================================================
   19. 状态标签 Status Tag - 8种颜色变体
   ==================================================================== */
.status-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 2px 10px;
    font-size: var(--font-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
    white-space: nowrap;
    line-height: 1.6;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* 1. Success 绿色 */
.status-tag-success,
.status-tag-available {
    color: var(--success);
    background: var(--success-light);
}
.status-tag-success .status-dot,
.status-tag-available .status-dot {
    background: var(--success);
}

/* 2. Warning 黄色 */
.status-tag-warning,
.status-tag-cleaning {
    color: var(--warning);
    background: var(--warning-light);
}
.status-tag-warning .status-dot,
.status-tag-cleaning .status-dot {
    background: var(--warning);
}

/* 3. Danger 红色 */
.status-tag-danger,
.status-tag-occupied,
.status-tag-cancelled {
    color: var(--danger);
    background: var(--danger-light);
}
.status-tag-danger .status-dot,
.status-tag-occupied .status-dot,
.status-tag-cancelled .status-dot {
    background: var(--danger);
}

/* 4. Info 蓝色 */
.status-tag-info,
.status-tag-reserved,
.status-tag-confirmed {
    color: var(--info);
    background: var(--info-light);
}
.status-tag-info .status-dot,
.status-tag-reserved .status-dot,
.status-tag-confirmed .status-dot {
    background: var(--info);
}

/* 5. Primary 主色 */
.status-tag-primary,
.status-tag-pending {
    color: var(--primary);
    background: var(--primary-bg);
}
.status-tag-primary .status-dot,
.status-tag-pending .status-dot {
    background: var(--primary);
}

/* 6. Default 灰色 */
.status-tag-default,
.status-tag-repairing,
.status-tag-completed {
    color: var(--text-secondary);
    background: var(--bg);
}
.status-tag-default .status-dot,
.status-tag-repairing .status-dot,
.status-tag-completed .status-dot {
    background: var(--text-hint);
}

/* 7. Purple 紫色 */
.status-tag-purple {
    color: var(--purple);
    background: var(--purple-light);
}
.status-tag-purple .status-dot {
    background: var(--purple);
}

/* 8. Teal 青色 */
.status-tag-teal {
    color: var(--teal);
    background: var(--teal-light);
}
.status-tag-teal .status-dot {
    background: var(--teal);
}

/* ====================================================================
   20. Modal 弹窗 - 4种尺寸(sm/md/lg/full)，遮罩层，缩放动画
   ==================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(45, 42, 38, 0.45);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s var(--ease-out);
    padding: var(--spacing-4xl);
}

body.dark-mode .modal-overlay {
    background: rgba(0, 0, 0, 0.6);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.modal {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    animation: modalIn 0.3s var(--ease-spring) forwards;
}

.modal.modal-sm {
    max-width: 420px;
}

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

.modal.modal-xl {
    max-width: 1000px;
}

.modal.modal-full {
    max-width: calc(100vw - 80px);
    max-height: calc(100vh - 80px);
    width: calc(100vw - 80px);
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.92) translateY(16px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xl) var(--spacing-2xl);
    border-bottom: 1px solid var(--border-light);
    flex-shrink: 0;
}

.modal-title {
    font-size: var(--font-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    color: var(--text-hint);
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.modal-body {
    padding: var(--spacing-2xl);
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-top: 1px solid var(--border-light);
    flex-shrink: 0;
}

/* ====================================================================
   21. 抽屉 Drawer - 右侧滑入
   ==================================================================== */
.drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(45, 42, 38, 0.45);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: var(--z-overlay);
    animation: fadeIn 0.2s var(--ease-out);
}

body.dark-mode .drawer-overlay {
    background: rgba(0, 0, 0, 0.6);
}

.drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 480px;
    height: 100vh;
    background: var(--bg-card);
    box-shadow: var(--shadow-2xl);
    z-index: var(--z-overlay);
    display: flex;
    flex-direction: column;
    animation: drawerSlideIn var(--duration-slow) var(--ease-out) forwards;
}

.drawer.drawer-sm {
    width: 320px;
}

.drawer.drawer-lg {
    width: 640px;
}

.drawer.drawer-left {
    right: auto;
    left: 0;
    animation: drawerSlideInLeft var(--duration-slow) var(--ease-out) forwards;
}

@keyframes drawerSlideIn {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes drawerSlideInLeft {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

.drawer.closing {
    animation: drawerSlideOut var(--duration-normal) var(--ease-in) forwards;
}

@keyframes drawerSlideOut {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(100%);
    }
}

.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xl) var(--spacing-2xl);
    border-bottom: 1px solid var(--border-light);
    flex-shrink: 0;
}

.drawer-title {
    font-size: var(--font-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-2xl);
}

.drawer-footer {
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-top: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

/* ====================================================================
   22. Toast 通知 - 右上角，4种类型，滑入动画
   ==================================================================== */
#toast-container {
    position: fixed;
    top: calc(var(--topbar-height) + 16px);
    right: 20px;
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
    min-width: 320px;
    max-width: 480px;
    pointer-events: auto;
    animation: toastIn 0.35s var(--ease-spring) forwards;
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(120%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast.toast-out {
    animation: toastOut 0.2s var(--ease-in) forwards;
}

@keyframes toastOut {
    to {
        opacity: 0;
        transform: translateX(120%);
    }
}

.toast-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    margin-top: 1px;
}

.toast-success .toast-icon { background: var(--success-light); }
.toast-error   .toast-icon { background: var(--danger-light); }
.toast-warning .toast-icon { background: var(--warning-light); }
.toast-info    .toast-icon { background: var(--info-light); }

.toast-success { border-left: 3px solid var(--success); }
.toast-error   { border-left: 3px solid var(--danger); }
.toast-warning { border-left: 3px solid var(--warning); }
.toast-info    { border-left: 3px solid var(--info); }

.toast-body {
    flex: 1;
    min-width: 0;
}

.toast-title {
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.toast-message {
    font-size: var(--font-xs);
    color: var(--text-secondary);
    margin-top: 2px;
}

.toast-close {
    color: var(--text-hint);
    font-size: 16px;
    cursor: pointer;
    padding: 2px;
    flex-shrink: 0;
    transition: color var(--duration-fast) var(--ease-default);
}

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

/* Toast 进度条 */
.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    animation: toastProgress 3s linear forwards;
}

@keyframes toastProgress {
    from { width: 100%; }
    to   { width: 0; }
}

/* ====================================================================
   23. 骨架屏 Skeleton - 加载占位动画
   ==================================================================== */
.skeleton {
    position: relative;
    overflow: hidden;
    background: var(--border-light);
    border-radius: var(--radius-sm);
}

.skeleton::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.3) 50%,
        transparent 100%
    );
    animation: shimmer 1.5s infinite;
}

body.dark-mode .skeleton {
    background: var(--border);
}

body.dark-mode .skeleton::after {
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.06) 50%,
        transparent 100%
    );
}

@keyframes shimmer {
    to { left: 100%; }
}

.skeleton-text {
    height: 14px;
    width: 60%;
    margin-bottom: var(--spacing-sm);
    border-radius: var(--radius-xs);
}

.skeleton-text:last-child {
    width: 40%;
    margin-bottom: 0;
}

.skeleton-title {
    height: 20px;
    width: 50%;
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-xs);
}

.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.skeleton-avatar.lg {
    width: 56px;
    height: 56px;
}

.skeleton-card {
    height: 140px;
    border-radius: var(--radius-lg);
}

.skeleton-table-row {
    height: var(--table-row-height);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: 0 var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.skeleton-table-row .skeleton-cell {
    height: 14px;
    border-radius: var(--radius-xs);
}

/* ====================================================================
   24. 空状态
   ==================================================================== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-5xl) var(--spacing-xl);
    text-align: center;
}

.empty-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-lg);
    opacity: 0.3;
}

.empty-title {
    font-size: var(--font-lg);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.empty-desc {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 320px;
}

.empty-action {
    margin-top: var(--spacing-sm);
}

/* ====================================================================
   25. 加载状态
   ==================================================================== */
.loading-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-5xl);
}

.loading-spinner-circle {
    width: 36px;
    height: 36px;
    border: 3px solid var(--border-light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-spinner-text {
    margin-top: var(--spacing-md);
    font-size: var(--font-sm);
    color: var(--text-hint);
    text-align: center;
}

/* ====================================================================
   26. 描述列表
   ==================================================================== */
.desc-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
}

.desc-item {
    display: flex;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-light);
}

.desc-label {
    width: 100px;
    flex-shrink: 0;
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

.desc-value {
    flex: 1;
    font-size: var(--font-sm);
    color: var(--text-primary);
}

/* ====================================================================
   27. 时间线
   ==================================================================== */
.timeline {
    position: relative;
    padding-left: var(--spacing-2xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 4px;
    bottom: 4px;
    width: 2px;
    background: var(--border);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-xl);
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -20px;
    top: 4px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--border);
}

.timeline-item:first-child .timeline-dot {
    border-color: var(--primary);
    background: var(--primary);
}

.timeline-content {
    font-size: var(--font-sm);
    color: var(--text-primary);
}

.timeline-time {
    font-size: var(--font-xs);
    color: var(--text-hint);
    margin-top: 2px;
}

/* ====================================================================
   28. 房态看板 - 日历网格视图
   ==================================================================== */
.room-board {
    overflow-x: auto;
}

.room-board-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.room-legend {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 3px;
}

.legend-dot.available  { background: var(--success); }
.legend-dot.occupied   { background: var(--danger); }
.legend-dot.cleaning   { background: var(--warning); }
.legend-dot.repairing  { background: var(--text-hint); }
.legend-dot.reserved   { background: var(--info); }

.room-floor {
    margin-bottom: var(--spacing-lg);
}

.room-floor-title {
    font-size: var(--font-sm);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.room-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.room-cell {
    width: 90px;
    height: 72px;
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    border: 2px solid transparent;
    position: relative;
}

.room-cell:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.room-cell.available {
    background: var(--success-bg);
    border-color: var(--success);
    color: var(--success);
}

.room-cell.occupied {
    background: var(--danger-bg);
    border-color: var(--danger);
    color: var(--danger);
}

.room-cell.cleaning {
    background: var(--warning-bg);
    border-color: var(--warning);
    color: var(--warning);
}

.room-cell.repairing {
    background: var(--bg);
    border-color: var(--text-hint);
    color: var(--text-hint);
}

.room-cell.reserved {
    background: var(--info-bg);
    border-color: var(--info);
    color: var(--info);
}

.room-cell.selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-bg);
}

.room-cell-number {
    font-size: var(--font-md);
    font-weight: 600;
}

.room-cell-type {
    font-size: 10px;
    opacity: 0.8;
}

.room-cell-guest {
    font-size: 10px;
    margin-top: 2px;
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ====================================================================
   29. 工单/任务卡片 - 看板式布局
   ==================================================================== */
.kanban-board {
    display: flex;
    gap: var(--spacing-lg);
    overflow-x: auto;
    padding-bottom: var(--spacing-lg);
}

.kanban-column {
    min-width: 280px;
    max-width: 320px;
    flex-shrink: 0;
}

.kanban-column-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.kanban-column-title {
    font-size: var(--font-sm);
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.kanban-column-count {
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: var(--radius-full);
    background: var(--bg);
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.kanban-column-body {
    min-height: 200px;
    padding: 0 var(--spacing-sm);
}

.task-card {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    transition: var(--transition-fast);
    cursor: grab;
    margin-bottom: var(--spacing-sm);
}

.task-card:hover {
    border-color: var(--border);
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

.task-card:active {
    cursor: grabbing;
    transform: translateY(0);
}

.task-priority {
    width: 4px;
    min-height: 40px;
    border-radius: 2px;
    flex-shrink: 0;
    align-self: stretch;
}

.task-priority.high   { background: var(--danger); }
.task-priority.medium { background: var(--warning); }
.task-priority.low    { background: var(--success); }

.task-body {
    flex: 1;
    min-width: 0;
}

.task-title {
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    line-height: var(--line-height);
}

.task-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-xs);
    color: var(--text-hint);
}

.task-tags {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
    flex-wrap: wrap;
}

/* ====================================================================
   30. 待处理事项
   ==================================================================== */
.pending-list {
    max-height: 320px;
    overflow-y: auto;
}

.pending-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 10px 0;
    border-bottom: 1px solid var(--border-light);
    cursor: pointer;
    transition: background var(--duration-fast) var(--ease-default);
}

.pending-item:hover {
    background: var(--bg-hover);
    margin: 0 -var(--spacing-md);
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
    border-radius: var(--radius-sm);
}

.pending-item:last-child {
    border-bottom: none;
}

.pending-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

.pending-content {
    flex: 1;
    min-width: 0;
}

.pending-title {
    font-size: var(--font-sm);
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pending-meta {
    font-size: var(--font-xs);
    color: var(--text-hint);
    margin-top: 2px;
}

.pending-action {
    flex-shrink: 0;
}

/* ====================================================================
   31. 快捷操作
   ==================================================================== */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.quick-action-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) var(--spacing-md);
    background: var(--bg);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: center;
}

.quick-action-item:hover {
    background: var(--primary-bg);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.quick-action-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    background: var(--bg-card);
    box-shadow: var(--shadow-xs);
}

.quick-action-label {
    font-size: var(--font-xs);
    color: var(--text-secondary);
}

/* ====================================================================
   32. 日历视图
   ==================================================================== */
.calendar-view {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    overflow: hidden;
}

.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid var(--border-light);
}

.calendar-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.calendar-title {
    font-size: var(--font-lg);
    font-weight: 600;
    color: var(--text-primary);
    min-width: 140px;
    text-align: center;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
}

.calendar-weekday {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: center;
    font-size: var(--font-xs);
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.calendar-day {
    min-height: 80px;
    padding: 6px;
    border-right: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    cursor: pointer;
    transition: background var(--duration-fast) var(--ease-default);
}

.calendar-day:nth-child(7n) {
    border-right: none;
}

.calendar-day:hover {
    background: var(--bg-hover);
}

.calendar-day.today {
    background: var(--primary-bg);
}

.calendar-day.other-month {
    opacity: 0.3;
}

.calendar-day-number {
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.calendar-day.today .calendar-day-number {
    color: var(--primary);
    font-weight: 700;
}

.calendar-day-blocks {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.calendar-day-block {
    font-size: 10px;
    padding: 1px 4px;
    border-radius: var(--radius-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.calendar-day-block.occupied  { background: var(--danger-bg);  color: var(--danger); }
.calendar-day-block.reserved  { background: var(--info-bg);    color: var(--info); }
.calendar-day-block.cleaning { background: var(--warning-bg); color: var(--warning); }

/* ====================================================================
   33. 搜索结果面板
   ==================================================================== */
.search-results-panel {
    position: fixed;
    top: var(--topbar-height);
    left: 50%;
    transform: translateX(-50%);
    width: 560px;
    max-height: 460px;
    background: var(--bg-card);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
    border-top: none;
    z-index: var(--z-popover);
    display: flex;
    flex-direction: column;
    animation: searchDrop 0.2s var(--ease-out) forwards;
}

@keyframes searchDrop {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.search-results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.search-results-close {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-hint);
    font-size: 16px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.search-results-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.search-results-body {
    overflow-y: auto;
    flex: 1;
}

.search-result-category {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-xs);
    font-weight: 600;
    color: var(--text-hint);
    background: var(--bg);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 10px var(--spacing-lg);
    cursor: pointer;
    transition: background var(--duration-fast) var(--ease-default);
}

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

.search-result-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    background: var(--bg);
    flex-shrink: 0;
}

.search-result-text {
    flex: 1;
    min-width: 0;
}

.search-result-title {
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.search-result-sub {
    font-size: var(--font-xs);
    color: var(--text-hint);
}

.search-no-results {
    padding: var(--spacing-5xl);
    text-align: center;
    color: var(--text-hint);
    font-size: var(--font-sm);
}

/* ====================================================================
   34. 操作日志
   ==================================================================== */
.log-list {
    max-height: 360px;
    overflow-y: auto;
}

.log-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: 10px 0;
    border-bottom: 1px solid var(--border-light);
}

.log-item:last-child {
    border-bottom: none;
}

.log-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    flex-shrink: 0;
    margin-top: 6px;
}

.log-content {
    flex: 1;
}

.log-text {
    font-size: var(--font-sm);
    color: var(--text-primary);
}

.log-time {
    font-size: var(--font-xs);
    color: var(--text-hint);
    margin-top: 2px;
}

/* ====================================================================
   35. ECharts 图表容器 - 适配各种图表
   ==================================================================== */
.chart-container {
    width: 100%;
    height: 320px;
    position: relative;
}

.chart-container.chart-xs {
    height: 160px;
}

.chart-container.chart-sm {
    height: 240px;
}

.chart-container.chart-lg {
    height: 400px;
}

.chart-container.chart-xl {
    height: 520px;
}

.chart-container.chart-full {
    height: 100%;
    min-height: 320px;
}

/* 图表加载状态 */
.chart-container .chart-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
}

/* 图表空数据提示 */
.chart-container .chart-empty {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--text-hint);
    font-size: var(--font-sm);
    z-index: 1;
}

/* ====================================================================
   36. 详情弹窗浮层 (Popover)
   ==================================================================== */
.popover {
    position: fixed;
    z-index: var(--z-popover);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    padding: var(--spacing-xl);
    min-width: 280px;
    animation: dropIn 0.15s var(--ease-out) forwards;
}

.popover-title {
    font-size: var(--font-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

/* ====================================================================
   37. 头像组
   ==================================================================== */
.avatar-group {
    display: flex;
    align-items: center;
}

.avatar-group .avatar {
    margin-left: -8px;
    border: 2px solid var(--bg-card);
}

.avatar-group .avatar:first-child {
    margin-left: 0;
}

.avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--primary-lighter);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
    color: var(--primary);
}

.avatar-lg {
    width: 40px;
    height: 40px;
    font-size: var(--font-md);
}

.avatar-xl {
    width: 56px;
    height: 56px;
    font-size: var(--font-xl);
}

/* ====================================================================
   38. 进度条
   ==================================================================== */
.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--border-light);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: var(--radius-full);
    background: var(--primary);
    transition: width var(--duration-slow) var(--ease-default);
}

.progress-fill.success { background: var(--success); }
.progress-fill.warning { background: var(--warning); }
.progress-fill.danger  { background: var(--danger); }
.progress-fill.info    { background: var(--info); }

/* 进度条 - 条纹动画 */
.progress-fill.striped {
    background-image: linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.15) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0.15) 75%,
        transparent 75%,
        transparent
    );
    background-size: 20px 20px;
    animation: progressStripe 1s linear infinite;
}

@keyframes progressStripe {
    from { background-position: 20px 0; }
    to   { background-position: 0 0; }
}

/* ====================================================================
   39. 数字显示
   ==================================================================== */
.number-highlight {
    font-size: var(--font-hero);
    font-weight: 700;
    color: var(--primary);
    line-height: var(--line-height-tight);
    font-family: var(--font-number);
}

.number-sm {
    font-size: var(--font-title);
}

/* ====================================================================
   40. 告警/异常
   ==================================================================== */
.alert-banner {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius);
    margin-bottom: var(--spacing-xl);
    animation: slideUp 0.3s var(--ease-out);
}

.alert-banner.alert-danger {
    background: var(--danger-bg);
    border: 1px solid var(--danger-border);
    color: var(--danger);
}

.alert-banner.alert-warning {
    background: var(--warning-bg);
    border: 1px solid var(--warning-border);
    color: var(--warning);
}

.alert-banner.alert-info {
    background: var(--info-bg);
    border: 1px solid var(--info-border);
    color: var(--info);
}

.alert-banner.alert-success {
    background: var(--success-bg);
    border: 1px solid var(--success-border);
    color: var(--success);
}

.alert-banner-icon {
    font-size: 18px;
    flex-shrink: 0;
}

.alert-banner-content {
    flex: 1;
    font-size: var(--font-sm);
}

.alert-banner-close {
    color: inherit;
    opacity: 0.6;
    cursor: pointer;
    flex-shrink: 0;
    transition: opacity var(--duration-fast) var(--ease-default);
}

.alert-banner-close:hover {
    opacity: 1;
}

/* ====================================================================
   41. 标签组
   ==================================================================== */
.tag-group {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    font-size: var(--font-xs);
    border-radius: var(--radius-sm);
    background: var(--bg);
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
    transition: var(--transition-fast);
}

.tag-primary {
    background: var(--primary-bg);
    color: var(--primary);
    border-color: var(--primary-border);
}

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

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

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

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

.tag-closable {
    cursor: pointer;
}

.tag-closable::after {
    content: '\00d7';
    margin-left: 2px;
    font-size: 12px;
    opacity: 0.5;
}

.tag-closable:hover::after {
    opacity: 1;
}

/* ====================================================================
   42. 步骤条
   ==================================================================== */
.steps {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.step {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
}

.step-number {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-xs);
    font-weight: 600;
    background: var(--border-light);
    color: var(--text-hint);
    flex-shrink: 0;
    transition: var(--transition-fast);
}

.step.active .step-number {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 8px rgba(200, 149, 108, 0.3);
}

.step.done .step-number {
    background: var(--success);
    color: white;
}

.step-label {
    font-size: var(--font-sm);
    color: var(--text-hint);
    white-space: nowrap;
    transition: color var(--duration-fast) var(--ease-default);
}

.step.active .step-label {
    color: var(--text-primary);
    font-weight: 500;
}

.step.done .step-label {
    color: var(--success);
}

.step-line {
    flex: 1;
    height: 2px;
    background: var(--border-light);
    margin: 0 var(--spacing-sm);
    max-width: 60px;
    transition: background var(--duration-normal) var(--ease-default);
}

.step-line.done {
    background: var(--success);
}

/* ====================================================================
   43. 文件上传区域
   ==================================================================== */
.upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-5xl);
    text-align: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.upload-area:hover {
    border-color: var(--primary);
    background: var(--primary-bg);
}

.upload-area.dragging {
    border-color: var(--primary);
    background: var(--primary-bg-hover);
    transform: scale(1.01);
}

.upload-icon {
    font-size: 32px;
    color: var(--text-hint);
    margin-bottom: var(--spacing-md);
}

.upload-text {
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

.upload-hint {
    font-size: var(--font-xs);
    color: var(--text-hint);
    margin-top: var(--spacing-xs);
}

/* ====================================================================
   44. 切换开关
   ==================================================================== */
.switch {
    position: relative;
    width: 40px;
    height: 22px;
    border-radius: 11px;
    background: var(--border-dark);
    cursor: pointer;
    transition: background var(--duration-normal) var(--ease-default);
    flex-shrink: 0;
}

.switch.active {
    background: var(--primary);
}

.switch::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    transition: transform var(--duration-normal) var(--ease-spring);
}

.switch.active::after {
    transform: translateX(18px);
}

.switch-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-sm);
    color: var(--text-primary);
    cursor: pointer;
}

/* ====================================================================
   45. 输入框图标组合
   ==================================================================== */
.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group .form-input {
    padding-left: 36px;
}

.input-group .input-prefix {
    position: absolute;
    left: var(--spacing-md);
    color: var(--text-hint);
    font-size: 14px;
    z-index: 1;
}

.input-group .input-suffix {
    position: absolute;
    right: var(--spacing-md);
    color: var(--text-hint);
    font-size: 14px;
    z-index: 1;
}

/* ====================================================================
   46. Tooltip
   ==================================================================== */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 10px;
    font-size: var(--font-xs);
    color: white;
    background: var(--dark);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--duration-fast) var(--ease-default);
    z-index: var(--z-tooltip);
}

.tooltip:hover::after {
    opacity: 1;
}

/* ====================================================================
   47. 下拉菜单 Dropdown - 暗色/亮色
   ==================================================================== */
.dropdown-menu {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    min-width: 160px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    z-index: var(--z-dropdown);
    animation: dropIn 0.15s var(--ease-out) forwards;
    overflow: hidden;
    padding: var(--spacing-xs) 0;
}

/* 暗色下拉菜单 */
.dropdown-menu.dropdown-dark {
    background: var(--dark);
    border-color: var(--dark-light);
}

.dropdown-menu.dropdown-dark .dropdown-menu-item {
    color: var(--sidebar-text);
}

.dropdown-menu.dropdown-dark .dropdown-menu-item:hover {
    background: var(--sidebar-bg-hover);
    color: var(--sidebar-text-hover);
}

.dropdown-menu.dropdown-dark .dropdown-menu-divider {
    background: var(--dark-light);
}

.dropdown-menu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 8px var(--spacing-lg);
    font-size: var(--font-sm);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.dropdown-menu-item:hover {
    background: var(--bg-hover);
    color: var(--primary);
}

.dropdown-menu-item.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.dropdown-menu-item svg {
    flex-shrink: 0;
    opacity: 0.6;
}

.dropdown-menu-item:hover svg {
    opacity: 1;
}

.dropdown-menu-divider {
    height: 1px;
    background: var(--border-light);
    margin: var(--spacing-xs) 0;
}

/* ====================================================================
   48. 财务相关
   ==================================================================== */
.money {
    font-family: var(--font-family);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.money-positive { color: var(--success); }
.money-negative { color: var(--danger); }

.finance-card {
    text-align: center;
    padding: var(--spacing-2xl);
}

.finance-amount {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    margin: var(--spacing-md) 0 var(--spacing-sm);
    font-family: var(--font-number);
    font-variant-numeric: tabular-nums;
}

.finance-label {
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

.finance-trend {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-size: var(--font-sm);
    margin-top: var(--spacing-sm);
}

/* ====================================================================
   49. 水电表读数
   ==================================================================== */
.meter-reading {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg);
    border-radius: var(--radius);
    margin-bottom: var(--spacing-sm);
}

.meter-label {
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--text-primary);
    min-width: 60px;
}

.meter-value {
    font-size: var(--font-xl);
    font-weight: 600;
    color: var(--primary);
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
}

.meter-unit {
    font-size: var(--font-xs);
    color: var(--text-hint);
}

.meter-diff {
    font-size: var(--font-xs);
    color: var(--text-secondary);
}

/* ====================================================================
   50. 看房记录
   ==================================================================== */
.viewing-record {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-light);
}

.viewing-photos {
    display: flex;
    gap: var(--spacing-sm);
}

.viewing-photo {
    width: 60px;
    height: 60px;
    border-radius: var(--radius);
    object-fit: cover;
    border: 1px solid var(--border-light);
}

/* ====================================================================
   51. 人员管理
   ==================================================================== */
.staff-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: var(--transition-fast);
}

.staff-card:hover {
    border-color: var(--border);
    box-shadow: var(--shadow-sm);
}

.staff-info {
    flex: 1;
}

.staff-name {
    font-size: var(--font-md);
    font-weight: 500;
    color: var(--text-primary);
}

.staff-position {
    font-size: var(--font-xs);
    color: var(--text-hint);
    margin-top: 2px;
}

.staff-contact {
    font-size: var(--font-xs);
    color: var(--text-secondary);
    margin-top: 2px;
}

/* ====================================================================
   52. 设置页面
   ==================================================================== */
.settings-section {
    margin-bottom: var(--spacing-2xl);
}

.settings-section-title {
    font-size: var(--font-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-light);
}

.settings-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-light);
}

.settings-item:last-child {
    border-bottom: none;
}

.settings-item-label {
    flex: 1;
}

.settings-item-title {
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.settings-item-desc {
    font-size: var(--font-xs);
    color: var(--text-hint);
    margin-top: 2px;
}

.settings-item-action {
    flex-shrink: 0;
    margin-left: var(--spacing-xl);
}

/* ====================================================================
   53. 侧边栏菜单项 SVG 图标样式覆盖
   ==================================================================== */
.nav-item svg {
    flex-shrink: 0;
}

/* 确保侧边栏折叠状态下，图标居中 */
#sidebar.collapsed .nav-item {
    justify-content: center;
    padding: 0;
}

#sidebar.collapsed .nav-icon {
    margin: 0;
}

/* ====================================================================
   54. 页面特殊过渡
   ==================================================================== */
#page-content {
    animation: pageIn 0.25s var(--ease-out);
}

@keyframes pageIn {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ====================================================================
   55. 拖拽占位
   ==================================================================== */
.drag-placeholder {
    border: 2px dashed var(--primary);
    border-radius: var(--radius);
    background: var(--primary-bg);
    min-height: 60px;
    transition: var(--transition-fast);
}

/* ====================================================================
   56. 动画辅助类
   ==================================================================== */
.fade-in {
    animation: fadeIn 0.3s var(--ease-out);
}

.slide-up {
    animation: slideUp 0.3s var(--ease-out);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.scale-in {
    animation: scaleIn 0.2s var(--ease-spring);
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.92);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ====================================================================
   57. 实用工具类 (Utility Classes)
   ==================================================================== */
/* 文字对齐 */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-left   { text-align: left; }

/* 文字颜色 */
.text-primary   { color: var(--primary) !important; }
.text-success   { color: var(--success) !important; }
.text-warning   { color: var(--warning) !important; }
.text-danger    { color: var(--danger) !important; }
.text-info      { color: var(--info) !important; }
.text-muted     { color: var(--text-hint) !important; }
.text-secondary { color: var(--text-secondary) !important; }

/* 文字大小 */
.text-xs  { font-size: var(--font-xs) !important; }
.text-sm  { font-size: var(--font-sm) !important; }
.text-md  { font-size: var(--font-md) !important; }
.text-lg  { font-size: var(--font-lg) !important; }
.text-xl  { font-size: var(--font-xl) !important; }

/* 文字粗细 */
.text-bold      { font-weight: 600 !important; }
.text-normal    { font-weight: 400 !important; }

/* 字体 */
.font-mono { font-family: var(--font-mono); }

/* 外边距 */
.mt-0   { margin-top: 0; }
.mt-xs  { margin-top: var(--spacing-xs); }
.mt-sm  { margin-top: var(--spacing-sm); }
.mt-md  { margin-top: var(--spacing-md); }
.mt-lg  { margin-top: var(--spacing-lg); }
.mt-xl  { margin-top: var(--spacing-xl); }
.mb-0   { margin-bottom: 0; }
.mb-xs  { margin-bottom: var(--spacing-xs); }
.mb-sm  { margin-bottom: var(--spacing-sm); }
.mb-md  { margin-bottom: var(--spacing-md); }
.mb-lg  { margin-bottom: var(--spacing-lg); }
.mb-xl  { margin-bottom: var(--spacing-xl); }
.ml-sm  { margin-left: var(--spacing-sm); }
.mr-sm  { margin-right: var(--spacing-sm); }

/* 内边距 */
.p-xs  { padding: var(--spacing-xs); }
.p-sm  { padding: var(--spacing-sm); }
.p-md  { padding: var(--spacing-md); }
.p-lg  { padding: var(--spacing-lg); }
.p-xl  { padding: var(--spacing-xl); }
.p-2xl { padding: var(--spacing-2xl); }

/* Flex */
.flex          { display: flex; }
.flex-col      { flex-direction: column; }
.flex-wrap     { flex-wrap: wrap; }
.items-center  { align-items: center; }
.items-start   { align-items: flex-start; }
.items-end     { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.justify-center  { justify-content: center; }
.gap-xs  { gap: var(--spacing-xs); }
.gap-sm  { gap: var(--spacing-sm); }
.gap-md  { gap: var(--spacing-md); }
.gap-lg  { gap: var(--spacing-lg); }
.gap-xl  { gap: var(--spacing-xl); }
.flex-1        { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }

/* 尺寸 */
.w-full  { width: 100%; }
.h-full  { height: 100%; }

/* 显示 */
.hidden   { display: none !important; }
.visible  { visibility: visible; }
.invisible { visibility: hidden; }

/* 溢出 */
.overflow-hidden { overflow: hidden; }
.overflow-auto   { overflow: auto; }

/* 文本截断 */
.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 圆角 */
.rounded      { border-radius: var(--radius); }
.rounded-sm   { border-radius: var(--radius-sm); }
.rounded-md   { border-radius: var(--radius-md); }
.rounded-lg   { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

/* 阴影 */
.shadow    { box-shadow: var(--shadow); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* 边框 */
.border    { border: 1px solid var(--border-light); }
.border-b  { border-bottom: 1px solid var(--border-light); }
.border-t  { border-top: 1px solid var(--border-light); }

/* 光标 */
.cursor-pointer { cursor: pointer; }
.select-none     { user-select: none; }

/* 定位 */
.relative { position: relative; }
.absolute { position: absolute; }
.sticky   { position: sticky; }

/* ====================================================================
   58. 响应式断点 - 1400 / 1200 / 992 / 768px
   ==================================================================== */

/* <= 1400px */
@media screen and (max-width: 1400px) {
    .stat-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .bento-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .bento-item.span-3 {
        grid-column: span 3;
    }

    .bento-item.span-4 {
        grid-column: span 3;
    }

    .quick-actions {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* <= 1200px */
@media screen and (max-width: 1200px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-6 {
        grid-template-columns: repeat(3, 1fr);
    }

    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .bento-item.span-2,
    .bento-item.span-3,
    .bento-item.span-4 {
        grid-column: span 2;
    }
}

/* <= 992px */
@media screen and (max-width: 992px) {
    #sidebar {
        transform: translateX(-100%);
        z-index: var(--z-overlay);
    }

    #sidebar.show {
        transform: translateX(0);
    }

    #main-content {
        margin-left: 0 !important;
    }

    .stat-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-row-3 {
        grid-template-columns: 1fr;
    }

    .desc-list {
        grid-template-columns: 1fr;
    }

    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .bento-item.span-2,
    .bento-item.span-3,
    .bento-item.span-4 {
        grid-column: span 2;
    }

    /* 侧边栏遮罩层 */
    .sidebar-backdrop {
        display: block;
        position: fixed;
        top: var(--topbar-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.3);
        z-index: calc(var(--z-sidebar) - 1);
        animation: fadeIn 0.2s var(--ease-out);
    }
}

/* <= 768px */
@media screen and (max-width: 768px) {
    .topbar-center {
        display: none;
    }

    .topbar-left {
        min-width: auto;
    }

    .topbar-right {
        min-width: auto;
    }

    .content-wrapper {
        padding: var(--spacing-md);
    }

    .stat-cards {
        grid-template-columns: 1fr;
    }

    .grid-2,
    .grid-3,
    .grid-4,
    .grid-6 {
        grid-template-columns: 1fr;
    }

    .bento-grid {
        grid-template-columns: 1fr;
    }

    .bento-item.span-2,
    .bento-item.span-3,
    .bento-item.span-4 {
        grid-column: span 1;
    }

    .quick-actions {
        grid-template-columns: repeat(2, 1fr);
    }

    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group {
        width: 100%;
    }

    .filter-input {
        width: 100%;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .room-cell {
        width: 70px;
        height: 60px;
    }

    .modal-overlay {
        padding: var(--spacing-lg);
    }

    .modal.modal-full {
        max-width: 100vw;
        width: 100vw;
        max-height: 100vh;
        height: 100vh;
        border-radius: 0;
    }

    .drawer {
        width: 100vw;
    }

    .notif-panel {
        right: -20px;
        width: calc(100vw - 32px);
    }

    .search-results-panel {
        width: calc(100vw - 32px);
    }
}

/* ====================================================================
   59. 打印样式
   ==================================================================== */
@media print {
    #topbar,
    #sidebar,
    .sidebar-trigger,
    .sidebar-backdrop,
    .breadcrumb,
    .page-actions,
    .pagination,
    .btn,
    .filter-bar,
    .toast,
    #toast-container,
    .modal-overlay,
    .drawer-overlay,
    .notif-panel {
        display: none !important;
    }

    #main-content {
        margin: 0 !important;
        height: auto !important;
        overflow: visible !important;
    }

    .content-wrapper {
        padding: 0 !important;
        max-width: none !important;
    }

    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
        break-inside: avoid;
    }

    .stat-card,
    .bento-item {
        break-inside: avoid;
    }

    body {
        background: white !important;
        color: black !important;
    }

    a {
        color: black !important;
        text-decoration: underline !important;
    }

    .data-table thead th {
        background: #f5f5f5 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .data-table tbody tr:nth-child(even) {
        background: #fafafa !important;
    }

    .status-tag,
    .tag {
        border: 1px solid #ccc !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}