:root{--primary:#3b82f6;--primary-dark:#2563eb;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--bg:#f1f5f9;--card:#fff;--text:#1e293b;--muted:#64748b;--border:#e2e8f0;--sidebar:260px;--header:60px}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
.app{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar);background:linear-gradient(180deg,#1e3a8a 0%,#1e40af 100%);color:#fff;position:fixed;height:100vh;overflow-y:auto;z-index:1000;transition:transform .3s ease}
.sidebar-header{padding:24px 20px;border-bottom:1px solid rgba(255,255,255,.1)}
.sidebar-header h1{font-size:18px;margin-bottom:4px}
.sidebar-header p{font-size:12px;opacity:.8}
.sidebar-nav ul{list-style:none;padding:12px 0}
.sidebar-nav a{display:flex;align-items:center;padding:12px 20px;color:rgba(255,255,255,.8);text-decoration:none;transition:all .2s}
.sidebar-nav a:hover,.sidebar-nav li.active a{background:rgba(255,255,255,.1);color:#fff}
.sidebar-nav i{margin-right:12px;font-size:18px}
.nav-divider{height:1px;background:rgba(255,255,255,.1);margin:12px 20px}
.main{flex:1;margin-left:var(--sidebar);min-height:100vh}
.header{height:var(--header);background:var(--card);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:100}
.header-title{font-size:18px;font-weight:600}
.header-user{display:flex;align-items:center;gap:12px;font-size:14px}
.content{padding:24px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:24px}
.stat{background:var(--card);border-radius:12px;padding:20px;box-shadow:0 1px 3px rgba(0,0,0,.05);border:1px solid var(--border)}
.stat-value{font-size:28px;font-weight:700;color:var(--primary)}
.stat-label{font-size:13px;color:var(--muted);margin-top:4px}
.card{background:var(--card);border-radius:12px;box-shadow:0 1px 3px rgba(0,0,0,.05);border:1px solid var(--border);margin-bottom:20px}
.card-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.card-header h3{font-size:16px;font-weight:600;display:flex;align-items:center;gap:8px}
.card-body{padding:20px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;font-size:14px;font-weight:500;text-decoration:none;border:none;cursor:pointer;transition:all .2s;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-success{background:var(--success);color:#fff}
.btn-danger{background:var(--danger);color:#fff}
.btn-sm{padding:4px 12px;font-size:13px}
.form-group{margin-bottom:16px}
.form-group label{display:block;margin-bottom:6px;font-weight:500;font-size:14px}
.form-control{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:14px;transition:border-color .2s}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(59,130,246,.1)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-hint{font-size:12px;color:var(--muted);margin-top:4px}
.table-wrapper{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.table-wrapper table{min-width:600px}
table{width:100%;border-collapse:collapse}
th,td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border)}
th{font-weight:600;font-size:13px;color:var(--muted);background:var(--bg);white-space:nowrap}
td{font-size:14px}
tr:hover{background:#f8fafc}
.status{display:inline-block;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:500;white-space:nowrap}
.status-active,.status-enabled,.status-approved,.status-completed{background:#d1fae5;color:#059669}
.status-pending,.status-in_progress{background:#fef3c7;color:#d97706}
.status-inactive,.status-disabled,.status-rejected{background:#fee2e2;color:#dc2626}
.status-draft{background:#e2e8f0;color:#64748b}
.alert{padding:14px 18px;border-radius:8px;margin-bottom:20px;display:flex;align-items:center;gap:10px;font-size:14px}
.alert-error{background:#fee2e2;color:#dc2626;border:1px solid #fecaca}
.alert-success{background:#d1fae5;color:#059669;border:1px solid #a7f3d0}
.alert-warning{background:#fef3c7;color:#d97706;border:1px solid #fde68a}
.alert-info{background:#dbeafe;color:#2563eb;border:1px solid #bfdbfe}
.empty{text-align:center;padding:40px 20px;color:var(--muted)}
.empty i{font-size:48px;opacity:.3;margin-bottom:16px}
.empty h3{font-size:16px;font-weight:500;margin-bottom:8px}
.detail-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px;flex-wrap:wrap;gap:16px}
.detail-title{font-size:24px;font-weight:700;margin-bottom:8px}
.detail-meta{display:flex;gap:16px;color:var(--muted);font-size:14px;flex-wrap:wrap}
.detail-section{margin-bottom:24px}
.detail-section h4{font-size:16px;font-weight:600;margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid var(--primary)}
.detail-content{line-height:1.8;white-space:pre-wrap;word-break:break-word;overflow-wrap:break-word}
.ai-panel{background:linear-gradient(135deg,#f0f9ff 0%,#e0f2fe 100%);border:1px solid #bae6fd;border-radius:12px;padding:20px;margin-bottom:20px}
.ai-panel-header{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.ai-panel-header i{font-size:24px;color:#0284c7}
.ai-panel-header h4{font-size:16px;color:#0369a1}
.ai-panel-content{color:#0c4a6e;font-size:14px;line-height:1.8}
.login{min-height:100vh;display:flex;flex-direction:column;background:linear-gradient(135deg,#1e3a8a 0%,#3b82f6 100%)}
.login-wrapper{flex:1;display:flex;align-items:center;justify-content:center;padding:20px}
.login-footer{text-align:center;font-size:12px;color:#fff;padding:10px 0 14px;line-height:1.8;flex-shrink:0}
.login-box{background:#fff;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.3);width:100%;max-width:420px;overflow:hidden}
.login-header{background:linear-gradient(135deg,#1e3a8a 0%,#3b82f6 100%);color:#fff;padding:30px;text-align:center}
.login-header h1{font-size:20px;margin-bottom:8px}
.login-body{padding:30px}
.login-body .btn{width:100%;justify-content:center;padding:12px;font-size:16px}

/* 移动端侧边栏遮罩 */
.sidebar-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.4);z-index:999;opacity:0;transition:opacity .3s ease}
.sidebar-overlay.active{display:block;opacity:1}

/* 汉堡菜单按钮 */
.menu-toggle{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer;padding:4px 8px;border-radius:6px}

/* ==================== 响应式 - 平板 ==================== */
@media(max-width:1024px){
.sidebar{transform:translateX(-100%)}
.sidebar.open{transform:translateX(0);box-shadow:4px 0 20px rgba(0,0,0,.15)}
.main{margin-left:0}
.form-row{grid-template-columns:1fr}
.stats{grid-template-columns:repeat(2,1fr)}
.menu-toggle{display:block}
.header{padding:0 16px}
.header-title{font-size:16px}
.content{padding:16px}
}

/* ==================== 响应式 - 手机 ==================== */
@media(max-width:640px){
.sidebar{width:280px}
.stats{grid-template-columns:1fr;gap:12px}
.stat{padding:16px}
.stat-value{font-size:22px}
.form-row{grid-template-columns:1fr}
.card-header{padding:12px 16px}
.card-body{padding:16px 12px}
.content{padding:12px}
.detail-title{font-size:20px}
.detail-meta{gap:8px;font-size:13px}
.header-user span.hide-mobile{display:none}
.btn{font-size:13px;padding:7px 14px}
.ai-panel{padding:16px}
.ai-panel-content{font-size:13px}
.alert{padding:12px 14px;font-size:13px}
.login-header h1{font-size:18px}
.login-body{padding:24px 20px}
/* 表格横向滚动 */
.table-wrapper{margin:0 -12px;padding:0 12px}
}