/* common.css - 天蓝色政务专用主题（蓝色顶部导航栏） */
@import url("all.min.css");

/* ========== CSS变量 - 天蓝色政务主题 ========== */
:root, .theme-light {
    --primary: #3b82f6;
    --primary-hover: #60a5fa;
    --primary-light: #eff6ff;
    --primary-gradient: linear-gradient(135deg, #2563eb, #3b82f6, #60a5fa);
    
    --secondary: #64748b;
    --secondary-hover: #94a3b8;
    --secondary-light: #f1f5f9;
    
    --accent: #10b981;
    --accent-light: #ecfdf5;
    
    --success: #10b981;
    --success-light: #ecfdf5;
    --danger: #ef4444;
    --danger-light: #fef2f2;
    --warning: #f59e0b;
    --warning-light: #fffbeb;
    --info: #06b6d4;
    --info-light: #ecfeff;
    
    --blue: #3b82f6;
    --blue-light: #eff6ff;
    --indigo: #6366f1;
    --indigo-light: #eef2ff;
    --purple: #a855f7;
    --pink: #ec4899;
    --pink-light: #fdf2f8;
    --teal: #14b8a6;
    --teal-light: #ccfbf1;
    
    --gray-0: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-disabled: #cbd5e1;
    
    --bg-body: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-secondary: #f8fafc;
    --bg-hover: #f1f5f9;
    --bg-active: var(--primary-light);
    --bg-elevated: #ffffff;
    
    --border: #e2e8f0;
    --border-dark: #cbd5e1;
    --border-light: #f1f5f9;
    
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.03);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -1px rgb(0 0 0 / 0.03);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -2px rgb(0 0 0 / 0.04);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.10), 0 10px 10px -5px rgb(0 0 0 / 0.02);
    --shadow-focus: 0 0 0 3px rgba(59,130,246,0.25);
    --shadow-glow: 0 0 20px rgba(59,130,246,0.12);
    
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --sidebar-width: 260px;
    --topbar-height: 64px;
}

.dark, .theme-dark {
    --primary: #60a5fa;
    --primary-hover: #93c5fd;
    --primary-light: #1e3a8a;
    --primary-gradient: linear-gradient(135deg, #2563eb, #3b82f6, #60a5fa);
    
    --secondary: #94a3b8;
    --secondary-light: #334155;
    --accent: #34d399;
    --accent-light: #064e3b;
    
    --success: #34d399;
    --success-light: #064e3b;
    --danger: #f87171;
    --danger-light: #7f1d1d;
    --warning: #fbbf24;
    --warning-light: #78350f;
    --info: #22d3ee;
    --info-light: #164e63;
    
    --blue: #60a5fa;
    --blue-light: #1e3a8a;
    --indigo: #818cf8;
    --indigo-light: #312e81;
    --purple: #c084fc;
    --purple-light: #4c1d95;
    --pink: #f472b6;
    --pink-light: #831843;
    --teal: #2dd4bf;
    --teal-light: #134e4a;
    
    --gray-0: #0f172a;
    --gray-50: #1e293b;
    --gray-100: #334155;
    --gray-200: #475569;
    --gray-300: #64748b;
    --gray-400: #94a3b8;
    --gray-500: #cbd5e1;
    --gray-600: #e2e8f0;
    --gray-700: #f1f5f9;
    --gray-800: #f8fafc;
    --gray-900: #ffffff;
    
    --text-primary: var(--gray-800);
    --text-secondary: var(--gray-500);
    --text-muted: var(--gray-400);
    --text-disabled: var(--gray-300);
    
    --bg-body: #0f172a;
    --bg-surface: #1e293b;
    --bg-surface-secondary: #162036;
    --bg-hover: #334155;
    --bg-active: #1e3a8a;
    --bg-elevated: #1e293b;
    
    --border: #334155;
    --border-dark: #475569;
    --border-light: #1e293b;
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.5);
    --shadow-focus: 0 0 0 3px rgba(96,165,250,0.3);
    --shadow-glow: 0 0 20px rgba(96,165,250,0.15);
}

/* ========== 全局重置 ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 14px; -webkit-font-smoothing: antialiased; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", Roboto, "Microsoft YaHei", sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.5;
}
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-hover); border-radius: 3px; }
::-webkit-scrollbar-thumb { background: var(--gray-400); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-500); }
::selection { background: var(--primary-light); color: var(--primary); }

/* ========== 登录页 ========== */
.login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #60a5fa 100%);
    padding: 20px;
}
.dark .login-body {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #1e40af 100%);
}

.login-card {
    background: var(--bg-surface);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-2xl);
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--border);
}
.card-decoration {
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent), var(--info));
}
.logo-area { text-align: center; padding: 40px 24px 24px; }
.logo-area h1 {
    font-size: 26px;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 8px;
}
.logo-area .subtitle { font-size: 13px; color: var(--text-muted); }
.form-area { padding: 0 24px 32px; }
.input-group { margin-bottom: 20px; }
.input-label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 8px; color: var(--text-secondary); }
.input-wrapper { position: relative; }
.input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}
.input-field {
    width: 100%;
    padding: 12px 14px 12px 44px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-surface);
    color: var(--text-primary);
    transition: var(--transition);
    outline: none;
}
.input-field:focus { border-color: var(--primary); box-shadow: var(--shadow-focus); }
.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px;
}
.options-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    font-size: 13px;
}
.checkbox-custom {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}
.checkbox-custom input { margin: 0; }
.forgot-link { color: var(--primary); text-decoration: none; }
.forgot-link:hover { text-decoration: underline; }
.login-btn {
    width: 100%;
    padding: 12px;
    background: var(--primary-gradient);
    border: none;
    border-radius: var(--radius-lg);
    color: white;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}
.login-btn:hover { transform: translateY(-2px); filter: brightness(1.05); box-shadow: var(--shadow-md); }
.error-message {
    background: var(--danger);
    padding: 12px 16px;
    margin-bottom: 20px;
    border-radius: var(--radius-lg);
    display: none;
    color: white;
}
.login-footer {
    text-align: center;
    padding: 20px;
    border-top: 1px solid var(--border);
    background: var(--bg-hover);
}
.login-footer p { font-size: 11px; color: var(--text-muted); }

/* ========== 主布局 - 顶部导航栏蓝色背景 ========== */
.top-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--primary-gradient);
    border-bottom: 2px solid rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    padding: 0 24px;
    z-index: 100;
    gap: 20px;
    box-shadow: var(--shadow-md);
    height: var(--topbar-height);
}
.mobile-menu-toggle {
    display: none;
    background: rgba(255,255,255,0.15);
    border: none;
    font-size: 20px;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    cursor: pointer;
    color: white;
}
.mobile-menu-toggle:hover { background: rgba(255,255,255,0.25); }
.logo-area-top {
    display: flex;
    align-items: baseline;
    gap: 12px;
    flex-shrink: 0;
}
.logo-area-top h2 {
    font-size: 20px;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff, #e0f2fe);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.logo-area-top h2 i { margin-right: 8px; color: white; }
.logo-area-top p {
    font-size: 11px;
    padding: 4px 12px;
    background: rgba(255,255,255,0.2);
    border-radius: var(--radius-full);
    color: white;
    font-weight: 500;
}

/* 顶部菜单 - 白色文字 */
.top-level-menus {
    display: flex;
    gap: 8px;
    flex: 1;
    overflow-x: auto;
    padding: 6px 0;
}
.top-menu-item {
    padding: 10px 24px;
    border-radius: var(--radius-xl);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: rgba(255,255,255,0.85);
    white-space: nowrap;
    transition: var(--transition);
    position: relative;
    background: transparent;
    letter-spacing: 0.5px;
}
.top-menu-item i { margin-right: 10px; font-size: 15px; color: rgba(255,255,255,0.7); }
.top-menu-item:hover {
    background: rgba(255,255,255,0.15);
    color: white;
    transform: translateY(-2px);
}
.top-menu-item:hover i { color: white; }
.top-menu-item.active {
    background: rgba(255,255,255,0.25);
    color: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.top-menu-item.active i { color: white; }

.top-user-info {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}
.top-user-info-show {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}
.top-user-name {
    font-size: 14px;
    font-weight: 600;
    color: white;
}
.top-user-level {
    font-size: 11px;
    padding: 4px 12px;
    background: rgba(255,255,255,0.2);
    border-radius: var(--radius-full);
    color: white;
}
.top-logout-btn {
    background: rgba(255,255,255,0.15);
    border: none;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    cursor: pointer;
    color: white;
    transition: var(--transition);
}
.top-logout-btn:hover { background: var(--danger); color: white; }
.overlay-mobile {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 199;
}
.overlay-mobile.active { display: block; }
.app-wrapper {
    display: flex;
    margin-top: var(--topbar-height);
    height: calc(100vh - var(--topbar-height));
    overflow: hidden;
}
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-surface);
    border-right: 1px solid var(--border);
    overflow-y: auto;
    flex-shrink: 0;
}
.nav-menu { padding: 16px 12px; }
.nav-item { margin-bottom: 4px; }
.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    margin: 2px 8px;
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}
.nav-link i:first-child { width: 20px; font-size: 14px; color: var(--text-muted); }
.nav-link:hover { background: var(--bg-hover); color: var(--primary); transform: translateX(4px); }
.nav-link:hover i { color: var(--primary); }
.nav-link.active {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
}
.nav-link.active i { color: var(--primary); }
.submenu {
    display: none;
    margin-left: 32px;
    border-left: 2px solid var(--primary-light);
}
.submenu.show { display: block; }
.submenu .nav-link { padding: 10px 14px; font-size: 12px; }
.arrow-icon { margin-left: auto; font-size: 10px; transition: transform 0.2s; }
.arrow-icon.fa-rotate-90 { transform: rotate(90deg); }
.main-content { flex: 1; overflow: hidden; display: flex; flex-direction: column; background: var(--bg-body); }
.content-panel { height: 100%; display: flex; flex-direction: column; }

/* ========== Tab栏 - 增强版 ========== */
.tab-bar {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    padding: 8px 16px 0;
    display: flex;
    gap: 4px;
    flex-shrink: 0;
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
    scrollbar-width: thin;
    position: relative;
    z-index: 10;
}

.tab-bar::-webkit-scrollbar { height: 3px; }
.tab-bar::-webkit-scrollbar-track { background: var(--bg-hover); border-radius: 3px; }
.tab-bar::-webkit-scrollbar-thumb { background: var(--gray-400); border-radius: 3px; }

.tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: transparent;
    border: none;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    white-space: nowrap;
    position: relative;
    margin-bottom: -1px;
    backdrop-filter: blur(4px);
}

.tab-btn:hover {
    color: var(--primary);
    background: var(--bg-hover);
    transform: translateY(-1px);
}

.tab-btn.active {
    color: var(--primary);
    background: var(--bg-body);
    font-weight: 600;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 6px;
    right: 6px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: 3px 3px 0 0;
    animation: tabSlideIn 0.2s ease-out;
}

@keyframes tabSlideIn {
    from { transform: scaleX(0); opacity: 0; }
    to { transform: scaleX(1); opacity: 1; }
}

.tab-btn i { font-size: 14px; transition: var(--transition); }
.tab-btn:hover i { transform: scale(1.05); }
.tab-btn.active i {
    color: var(--primary);
    text-shadow: 0 0 2px rgba(59,130,246,0.2);
}

.tab-btn .close-tab {
    margin-left: 8px;
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    opacity: 0.5;
    font-size: 14px;
    transition: var(--transition);
    background: transparent;
    cursor: pointer;
}

.tab-btn .close-tab:hover {
    opacity: 1;
    background: var(--danger-light);
    color: var(--danger);
    transform: scale(1.1);
}

.tab-btn:not(.active) .close-tab { opacity: 0.4; }
.tab-btn:not(.active) .close-tab:hover { opacity: 1; }

.iframe-container { flex: 1; background: var(--bg-body); position: relative; }
.iframe-tab {
    width: 100%;
    height: 100%;
    border: none;
    display: none;
    background: var(--bg-body);
}
.iframe-tab:first-of-type { display: block; }

/* ========== 仪表盘 - 卡片 ========== */
.dashboard-grid { padding: 24px; max-width: 1400px; margin: 0 auto; }
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}
.stat-card:nth-child(1)::before { background: linear-gradient(90deg, #3b82f6, #60a5fa); }
.stat-card:nth-child(2)::before { background: linear-gradient(90deg, #10b981, #34d399); }
.stat-card:nth-child(3)::before { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.stat-card:nth-child(4)::before { background: linear-gradient(90deg, #8b5cf6, #a78bfa); }
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); border-color: var(--border-dark); }
.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}
.stat-card:nth-child(1) .stat-icon { background: #eff6ff; color: #3b82f6; }
.stat-card:nth-child(2) .stat-icon { background: #ecfdf5; color: #10b981; }
.stat-card:nth-child(3) .stat-icon { background: #fffbeb; color: #f59e0b; }
.stat-card:nth-child(4) .stat-icon { background: #f5f3ff; color: #8b5cf6; }
.dark .stat-card:nth-child(1) .stat-icon { background: #1e3a8a; }
.dark .stat-card:nth-child(2) .stat-icon { background: #064e3b; }
.dark .stat-card:nth-child(3) .stat-icon { background: #78350f; }
.dark .stat-card:nth-child(4) .stat-icon { background: #4c1d95; }
.stat-icon i { font-size: 28px; }
.stat-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 4px;
}
.stat-label { font-size: 13px; color: var(--text-muted); }

/* ========== 通用卡片 ========== */
.card {
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-surface-secondary);
}
.card-header h2 { font-size: 16px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.card-header h2 i { color: var(--primary); }
.card-body { padding: 20px; }
.row { display: flex; gap: 24px; flex-wrap: wrap; }
.col { flex: 1; min-width: 200px; }
.info-row {
    display: flex;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-light);
    gap: 12px;
}
.info-label {
    width: 100px;
    font-size: 13px;
    color: var(--text-muted);
}
.info-label i { width: 20px; margin-right: 6px; }
.info-value { flex: 1; font-size: 13px; font-weight: 500; color: var(--text-primary); }
.refresh-btn {
    background: none;
    border: none;
    width: 34px;
    height: 34px;
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition);
}
.refresh-btn:hover { background: var(--bg-hover); color: var(--primary); }

/* ========== 数据管理页 ========== */
.page-container {
    padding: 0;
    height: 100%;
    overflow-y: auto;
    background: var(--bg-body);
}
.data-card-header {
    padding: 16px 20px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}
.search-section {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.btn-add {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-sm);
}
.btn-add:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); filter: brightness(1.05); }
.search-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    flex-wrap: wrap;
}
.search-input-group {
    display: flex;
    gap: 8px;
    flex: 1;
    min-width: 280px;
}
.search-input {
    flex: 1;
    padding: 10px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-surface);
    color: var(--text-primary);
    font-size: 14px;
    transition: var(--transition);
    outline: none;
}
.search-input:focus { border-color: var(--primary); box-shadow: var(--shadow-focus); }
.btn-search {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}
.btn-search:hover { transform: translateY(-1px); filter: brightness(1.05); }
.btn-reset {
    background: var(--bg-hover);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.btn-reset:hover { background: var(--border); color: var(--text-primary); }
.result-stats {
    font-size: 13px;
    padding: 6px 16px;
    background: var(--bg-hover);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
}
.card-list {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.news-item {
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}
.news-item:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--border-dark);
}
.news-item-header {
    padding: 12px 20px;
    background: var(--bg-surface-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}
.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.news-id {
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    background: var(--bg-hover);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
}
.news-category-badge {
    font-size: 11px;
    padding: 4px 10px;
    background: var(--primary-light);
    border-radius: var(--radius-full);
    color: var(--primary);
}
.badge {
    font-size: 11px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.badge-top { background: var(--warning-light); color: var(--warning); }
.badge-hot { background: var(--danger-light); color: var(--danger); }
.news-title-area {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-light);
}
.title-icon { color: var(--text-muted); font-size: 16px; }
.news-title-input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-surface);
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
    outline: none;
}
.news-title-input:hover { border-color: var(--border-dark); background: var(--bg-hover); }
.news-title-input:focus { border-color: var(--primary); box-shadow: var(--shadow-focus); }
.news-settings {
    padding: 16px 20px;
    background: var(--bg-surface-secondary);
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
}
.setting-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}
.setting-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-surface);
    padding: 6px 12px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: var(--transition);
}
.setting-item i { font-size: 14px; color: var(--text-muted); }
.setting-item i.active { color: var(--primary); }
.setting-item span { font-size: 12px; color: var(--text-secondary); }

/* ========== 表单元素 ========== */
.field-select, .time-input {
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 12px;
    background: var(--bg-surface);
    color: var(--text-primary);
    cursor: pointer;
    outline: none;
    transition: var(--transition);
}
.stat-input {
    width: 70px;
    padding: 5px 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 13px;
    background: var(--bg-surface);
    color: var(--text-primary);
    text-align: center;
    transition: var(--transition);
    outline: none;
}
.field-select:hover, .time-input:hover, .stat-input:hover { border-color: var(--primary); background: var(--bg-hover); }
.field-select:focus, .time-input:focus, .stat-input:focus { border-color: var(--primary); box-shadow: var(--shadow-focus); }

/* ========== 开关 ========== */
.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--border);
    transition: 0.2s;
    border-radius: 34px;
}
.slider:before {
    content: "";
    position: absolute;
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    transition: 0.2s;
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}
input:checked + .slider { background: var(--primary-gradient); }
input:checked + .slider:before { transform: translateX(20px); }

/* ========== 操作按钮 ========== */
.btn-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    cursor: pointer;
    background: transparent;
    border: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}
.btn-edit { color: var(--primary); }
.btn-edit:hover { background: var(--primary-light); color: var(--primary-hover); }
.btn-delete { color: var(--danger); }
.btn-delete:hover { background: var(--danger-light); color: var(--danger); }

/* ========== 分页 ========== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    padding: 20px 24px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
    background: var(--bg-surface);
}
.pagination button {
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    border: 1px solid var(--border);
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}
.pagination button:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.pagination button.active {
    background: var(--primary-gradient);
    border-color: var(--primary);
    color: white;
}
.pagination button:disabled { opacity: 0.5; cursor: not-allowed; }
.pagination .page-info {
    font-size: 13px;
    padding: 0 12px;
    display: flex;
    align-items: center;
    color: var(--text-muted);
}

/* ========== 表单 ========== */
.form-row { display: flex; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.field-group { flex: 1; min-width: 160px; }
.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}
.form-label.required::after { content: '*'; color: var(--danger); margin-left: 4px; }
.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    font-size: 14px;
    background: var(--bg-surface);
    color: var(--text-primary);
    transition: var(--transition);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: var(--shadow-focus);
}
.checkbox-group {
    display: flex;
    gap: 24px;
    align-items: center;
    padding: 6px 0;
}
.checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 13px;
}
.btn-group {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 20px;
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}
.btn-primary {
    background: var(--primary-gradient);
    color: white;
}
.btn-primary:hover { transform: translateY(-1px); filter: brightness(1.05); }
.btn-secondary { background: var(--bg-hover); color: var(--text-secondary); border: 1px solid var(--border); }
.btn-outline { background: none; border: 1px solid var(--border); color: var(--text-secondary); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }

/* ========== 图片上传 ========== */
.upload-area { display: flex; flex-direction: column; gap: 12px; }
.pic-preview {
    padding: 16px;
    background: var(--bg-hover);
    border-radius: var(--radius-lg);
    border: 1px dashed var(--border);
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.pic-preview img { max-width: 120px; max-height: 120px; border-radius: var(--radius-md); }
.pic-placeholder { color: var(--text-muted); font-size: 13px; }

/* ========== 模态框 ========== */
.modal-mask, .fullscreen-modal-mask {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    visibility: hidden;
    opacity: 0;
    transition: 0.2s;
}
.modal-mask.active, .fullscreen-modal-mask.active { visibility: visible; opacity: 1; }
.modal-container {
    background: var(--bg-surface);
    border-radius: var(--radius-2xl);
    width: 90%;
    max-width: 480px;
    box-shadow: var(--shadow-xl);
    transform: scale(0.96);
    transition: transform 0.2s;
    overflow: hidden;
}
.modal-mask.active .modal-container { transform: scale(1); }
.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-surface-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-header h3 { font-size: 16px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.modal-close, .fullscreen-close {
    background: none;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
}
.modal-close:hover, .fullscreen-close:hover { background: var(--bg-hover); }
.modal-body { padding: 20px; max-height: 60vh; overflow-y: auto; }
.modal-footer {
    padding: 16px 20px;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    border-top: 1px solid var(--border);
}
.modal-btn {
    padding: 8px 20px;
    border-radius: var(--radius-lg);
    font-weight: 500;
    border: none;
    cursor: pointer;
    font-size: 13px;
    transition: var(--transition);
}
.modal-btn-primary { background: var(--primary-gradient); color: white; }
.modal-btn-primary:hover { transform: translateY(-1px); filter: brightness(1.05); }
.modal-btn-default { background: var(--bg-hover); color: var(--text-secondary); border: 1px solid var(--border); }
.modal-btn-danger { background: var(--danger); color: white; }
.modal-btn-danger:hover { background: #dc2626; }
.fullscreen-modal-container {
    width: 95%;
    height: 90%;
    max-width: 1400px;
    background: var(--bg-surface);
    border-radius: var(--radius-2xl);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}
.fullscreen-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-surface-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.fullscreen-header h2 { font-size: 16px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.fullscreen-body { flex: 1; overflow-y: auto; background: var(--bg-body); }
.fullscreen-body iframe { width: 100%; height: 100%; border: none; }

/* ========== Toast提示 ========== */
.toast-message {
    position: fixed;
    bottom: 50%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gray-800);
    padding: 12px 24px;
    border-radius: var(--radius-lg);
    color: white;
    z-index: 10001;
    font-size: 14px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}
.toast-message.show { opacity: 1; }
.toast-message.success { background: var(--success); }
.toast-message.error { background: var(--danger); }
.toast-message.warning { background: var(--warning); }
.toast-message.info { background: var(--info); }

/* ========== 加载状态 ========== */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    z-index: 9999;
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
.loading-overlay .loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text { margin-top: 12px; color: white; font-size: 13px; }
.loading-state, .empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
}
.loading-state i, .empty-state i { font-size: 42px; margin-bottom: 16px; display: block; }
.saving-icon {
    margin-left: 8px;
    color: var(--warning);
    font-size: 12px;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}
@media (max-width: 768px) {
    .top-navbar .logo-area-top, .top-navbar .top-user-info { display: none; }
    .mobile-menu-toggle { display: flex; align-items: center; justify-content: center; }
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        transform: translateX(-100%);
        z-index: 200;
        transition: transform 0.25s;
    }
    .sidebar.open { transform: translateX(0); }
    .stats-grid { grid-template-columns: 1fr; gap: 12px; }
    .form-row { flex-direction: column; gap: 12px; }
    .btn-group { justify-content: center; }
    .fullscreen-modal-container { width: 100%; height: 100%; border-radius: 0; }
    .tab-bar { padding: 6px 12px 0; gap: 2px; }
    .tab-btn { padding: 8px 12px; font-size: 12px; }
    .tab-btn i { font-size: 12px; }
    .tab-btn .close-tab { width: 18px; height: 18px; font-size: 12px; }
    .card-list { padding: 12px; }
    .news-settings { flex-direction: column; align-items: stretch; }
    .setting-group { flex-direction: column; width: 100%; }
    .setting-item { width: 100%; justify-content: space-between; }
}
@media (max-width: 480px) {
    .search-input-group { flex-wrap: wrap; }
    .btn-search, .btn-reset { padding: 8px 16px; }
    .stat-number { font-size: 24px; }
    .stat-icon { width: 48px; height: 48px; }
    .stat-icon i { font-size: 22px; }
}