/* ==============================================
   百杏云 - UI优化版样式表
   ============================================== */

/* CSS变量系统 - 现代化配色方案 */
:root {
    /* 主色调 - 紫色系渐变 */
    --primary-color: #667eea;
    --primary-light: #8b9ff0;
    --primary-dark: #5a6fd8;
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-gradient-hover: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    
    /* 辅助色 */
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --success-color: #10b981;
    --success-light: #34d399;
    --warning-color: #f59e0b;
    --warning-light: #fbbf24;
    --error-color: #ef4444;
    --error-light: #f87171;
    --info-color: #3b82f6;
    --info-light: #60a5fa;
    
    /* 中性色 - 更丰富的灰度 */
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-tertiary: #64748b;
    --text-light: #94a3b8;
    --text-muted: #cbd5e1;
    
    /* 背景色 */
    --bg-primary: #f8fafc;
    --bg-secondary: #f1f5f9;
    --bg-tertiary: #e2e8f0;
    --bg-white: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.85);
    --bg-glass-dark: rgba(15, 23, 42, 0.8);
    
    /* 边框颜色 */
    --border-light: #e2e8f0;
    --border-default: #cbd5e1;
    --border-focus: rgba(102, 126, 234, 0.5);
    
    /* 阴影系统 */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.06), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.12);
    --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 20px rgba(102, 126, 234, 0.3);
    --shadow-glow-success: 0 0 20px rgba(16, 185, 129, 0.3);
    --shadow-glow-error: 0 0 20px rgba(239, 68, 68, 0.3);
    
    /* 渐变背景 */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-error: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --gradient-info: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    --gradient-subtle: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* 过渡动画 */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* 字体 */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
    
    /* 层级 */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
}

/* 重置样式 */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基础样式 */
html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* 链接 */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

/* 按钮基础 */
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
    background: none;
}

/* 输入框基础 */
input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* 容器 */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ==============================================
   按钮组件
   ============================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md), 0 0 0 0 rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    color: white;
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    background: var(--bg-white);
    color: var(--primary-color);
    border: 2px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    background: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-success {
    background: var(--gradient-success);
    color: white;
    box-shadow: var(--shadow-md), 0 0 0 0 rgba(16, 185, 129, 0.4);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow-success);
    color: white;
}

.btn-warning {
    background: var(--gradient-warning);
    color: white;
    box-shadow: var(--shadow-md), 0 0 0 0 rgba(245, 158, 11, 0.4);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-danger {
    background: var(--gradient-error);
    color: white;
    box-shadow: var(--shadow-md), 0 0 0 0 rgba(239, 68, 68, 0.4);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow-error);
    color: white;
}

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

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

.btn-link {
    background: transparent;
    color: var(--primary-color);
    padding: 8px 0;
}

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

.btn-block {
    width: 100%;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-icon {
    padding: 12px;
    border-radius: var(--radius-full);
}

/* ==============================================
   表单组件
   ============================================== */

.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
    transition: color var(--transition-fast);
}

.form-label.required::after {
    content: '*';
    color: var(--error-color);
    margin-left: 4px;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    font-size: 15px;
    color: var(--text-primary);
    background: var(--bg-white);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    outline: none;
}

.form-input::placeholder {
    color: var(--text-light);
    transition: opacity var(--transition-fast);
}

.form-input:hover {
    border-color: var(--border-default);
}

.form-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1), var(--shadow-md);
    transform: translateY(-1px);
}

.form-input:focus::placeholder {
    opacity: 0.5;
}

.form-input.error {
    border-color: var(--error-color);
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

.form-input.success {
    border-color: var(--success-color);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

.form-input:disabled,
.form-input[readonly] {
    background: var(--bg-secondary);
    cursor: not-allowed;
    opacity: 0.7;
}

.form-hint {
    margin-top: 6px;
    font-size: 13px;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.form-error {
    margin-top: 6px;
    font-size: 13px;
    color: var(--error-color);
    display: flex;
    align-items: center;
    gap: 4px;
}

.form-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    transition: color var(--transition-fast);
    pointer-events: none;
}

.form-input.has-icon {
    padding-left: 48px;
}

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

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 48px;
}

/* ==============================================
   卡片组件
   ============================================== */

.card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
    overflow: hidden;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
    border-color: rgba(102, 126, 234, 0.2);
}

.card:hover::before {
    transform: scaleX(1);
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-subtitle {
    font-size: 14px;
    color: var(--text-tertiary);
    margin-top: 4px;
}

.card-body {
    padding: 24px;
}

.card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-light);
    background: var(--bg-secondary);
}

.card-hover {
    cursor: pointer;
}

.card-hover:hover {
    box-shadow: var(--shadow-2xl), var(--shadow-glow);
}

/* ==============================================
   徽章组件
   ============================================== */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-primary {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
}

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

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
}

.badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
}

/* ==============================================
   消息提示组件
   ============================================== */

.message {
    padding: 16px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    animation: slideDown var(--transition-base) ease-out;
    border-left: 4px solid;
}

.message-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.message-content {
    flex: 1;
}

.message.success {
    background: rgba(16, 185, 129, 0.08);
    color: #065f46;
    border-color: var(--success-color);
}

.message.error {
    background: rgba(239, 68, 68, 0.08);
    color: #991b1b;
    border-color: var(--error-color);
}

.message.warning {
    background: rgba(245, 158, 11, 0.08);
    color: #92400e;
    border-color: var(--warning-color);
}

.message.info {
    background: rgba(59, 130, 246, 0.08);
    color: #1e40af;
    border-color: var(--info-color);
}

/* ==============================================
   表格组件
   ============================================== */

.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-white);
}

.table th,
.table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--bg-secondary);
}

.table tbody tr {
    transition: background var(--transition-fast);
}

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

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

/* ==============================================
   加载动画组件
   ============================================== */

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-dark {
    border-color: rgba(0, 0, 0, 0.1);
    border-top-color: var(--text-primary);
}

.loading-sm {
    width: 16px;
    height: 16px;
    border-width: 2px;
}

.loading-lg {
    width: 32px;
    height: 32px;
    border-width: 3px;
}

.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
}

.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.loading-text {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ==============================================
   动画关键帧
   ============================================== */

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

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

@keyframes wiggle {
    0%, 100% { transform: rotate(-3deg); }
    50% { transform: rotate(3deg); }
}

/* 动画类 */
.animate-slide-down {
    animation: slideDown var(--transition-base) ease-out;
}

.animate-slide-up {
    animation: slideUp var(--transition-base) ease-out;
}

.animate-fade-in {
    animation: fadeIn var(--transition-base) ease-out;
}

.animate-scale-in {
    animation: scaleIn var(--transition-base) ease-out;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.animate-bounce {
    animation: bounce 1s ease-in-out infinite;
}

.animate-shimmer {
    background: linear-gradient(90deg, var(--bg-secondary) 0%, var(--bg-tertiary) 50%, var(--bg-secondary) 100%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* ==============================================
   实用工具类
   ============================================== */

/* 文本 */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-light); }
.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-danger { color: var(--error-color); }
.text-sm { font-size: 13px; }
.text-lg { font-size: 18px; }
.text-xl { font-size: 20px; }
.text-2xl { font-size: 24px; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }

/* 间距 */
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 40px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 40px; }
.ml-1 { margin-left: 8px; }
.ml-2 { margin-left: 16px; }
.mr-1 { margin-right: 8px; }
.mr-2 { margin-right: 16px; }
.my-1 { margin-top: 8px; margin-bottom: 8px; }
.my-2 { margin-top: 16px; margin-bottom: 16px; }

.p-1 { padding: 8px; }
.p-2 { padding: 16px; }
.p-3 { padding: 24px; }
.p-4 { padding: 32px; }
.p-5 { padding: 40px; }

/* Flexbox */
.d-flex { display: flex; }
.d-inline-flex { display: inline-flex; }
.d-grid { display: grid; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.align-center { align-items: center; }
.align-start { align-items: flex-start; }
.align-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }
.gap-4 { gap: 32px; }
.flex-1 { flex: 1; }
.flex-auto { flex: 0 0 auto; }

/* 尺寸 */
.w-100 { width: 100%; }
.h-100 { height: 100%; }
.min-h-100 { min-height: 100vh; }
.max-w-sm { max-width: 640px; }
.max-w-md { max-width: 768px; }
.max-w-lg { max-width: 1024px; }
.max-w-xl { max-width: 1280px; }

/* 背景 */
.bg-primary { background-color: var(--bg-primary); }
.bg-white { background-color: var(--bg-white); }
.bg-gradient { background: var(--gradient-primary); }

/* 边框 */
.border { border: 1px solid var(--border-light); }
.border-top { border-top: 1px solid var(--border-light); }
.border-bottom { border-bottom: 1px solid var(--border-light); }
.rounded { 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-md); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

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

/* ==============================================
   响应式设计
   ============================================== */

@media (max-width: 1280px) {
    .container {
        max-width: 1024px;
    }
}

@media (max-width: 1024px) {
    .container {
        max-width: 768px;
        padding: 0 20px;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .container {
        padding: 0 16px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .btn-lg {
        padding: 14px 24px;
        font-size: 15px;
    }
    
    .card {
        border-radius: var(--radius-lg);
    }
    
    .card-header,
    .card-body {
        padding: 16px 20px;
    }
    
    .form-input {
        padding: 12px 14px;
        font-size: 14px;
    }
    
    .table th,
    .table td {
        padding: 12px;
        font-size: 13px;
    }
    
    .message {
        padding: 14px 16px;
        font-size: 14px;
    }
}

@media (max-width: 640px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 12px;
    }
    
    .btn {
        padding: 10px 18px;
        font-size: 14px;
    }
    
    .btn-lg {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .card {
        border-radius: var(--radius-md);
    }
    
    .card-header,
    .card-body {
        padding: 14px 16px;
    }
    
    .form-group {
        margin-bottom: 16px;
    }
    
    .form-input {
        padding: 10px 14px;
        font-size: 14px;
    }
    
    .table th,
    .table td {
        padding: 10px 8px;
        font-size: 12px;
    }
    
    .message {
        padding: 12px 14px;
        font-size: 13px;
    }
    
    .badge {
        padding: 4px 10px;
        font-size: 11px;
    }
}

/* ==============================================
   SVG图标库 - 内联SVG图标
   ============================================== */

/* 图标通用样式 */
.icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.icon-sm {
    width: 16px;
    height: 16px;
}

.icon-lg {
    width: 24px;
    height: 24px;
}

.icon-xl {
    width: 32px;
    height: 32px;
}

/* ==============================================
   状态指示器
   ============================================== */

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-online {
    background: var(--success-color);
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

.status-offline {
    background: var(--text-light);
}

.status-busy {
    background: var(--warning-color);
    box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.2);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ==============================================
   骨架屏组件
   ============================================== */

.skeleton {
    background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-tertiary) 50%, var(--bg-secondary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

.skeleton-text {
    height: 14px;
    margin-bottom: 8px;
}

.skeleton-text:last-child {
    margin-bottom: 0;
    width: 60%;
}

.skeleton-title {
    height: 20px;
    width: 40%;
    margin-bottom: 12px;
}

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

.skeleton-button {
    width: 100px;
    height: 36px;
    border-radius: var(--radius-md);
}

/* ==============================================
   进度条组件
   ============================================== */

.progress {
    height: 8px;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.progress-bar.success {
    background: var(--gradient-success);
}

.progress-bar.warning {
    background: var(--gradient-warning);
}

.progress-bar.error {
    background: var(--gradient-error);
}

.progress-lg {
    height: 12px;
}

.progress-sm {
    height: 4px;
}

/* ==============================================
   标签页组件
   ============================================== */

.tabs {
    display: flex;
    border-bottom: 2px solid var(--border-light);
    margin-bottom: 24px;
}

.tab {
    padding: 12px 24px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
    animation: fadeIn var(--transition-base);
}

.tab-content.active {
    display: block;
}

/* ==============================================
   分页组件
   ============================================== */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 20px 0;
}

.pagination-item {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: var(--radius-md);
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    transition: all var(--transition-fast);
}

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

.pagination-item.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

.pagination-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ==============================================
   空状态组件
   ============================================== */

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    opacity: 0.5;
}

.empty-state-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.empty-state-description {
    font-size: 14px;
    color: var(--text-tertiary);
    margin-bottom: 20px;
}

.empty-state-action {
    margin-top: 24px;
}

/* ==============================================
   工具提示组件
   ============================================== */

.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 12px;
    background: var(--text-primary);
    color: white;
    font-size: 12px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: var(--z-tooltip);
}

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

.tooltip.top::after {
    bottom: calc(100% + 8px);
}

.tooltip.bottom::after {
    top: calc(100% + 8px);
    bottom: auto;
}

.tooltip.left::after {
    left: auto;
    right: calc(100% + 8px);
    transform: none;
}

.tooltip.right::after {
    left: calc(100% + 8px);
    transform: none;
}