*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;background:#f0f2f5;color:#1a2332;display:flex;min-height:100vh;}
.sidebar{width:220px;background:linear-gradient(180deg,#1a2332 0%,#253248 100%);color:white;display:flex;flex-direction:column;flex-shrink:0;}
.sidebar .brand{padding:24px 20px;border-bottom:1px solid rgba(255,255,255,0.06);}
.sidebar .brand .name{font-size:17px;font-weight:700;letter-spacing:2px;}
.sidebar .brand .sub{font-size:11px;color:rgba(255,255,255,0.4);margin-top:3px;}
.sidebar nav{padding:12px 0;flex:1;}
.sidebar nav a{display:flex;align-items:center;gap:10px;padding:12px 20px;color:rgba(255,255,255,0.6);text-decoration:none;font-size:14px;cursor:pointer;border-left:3px solid transparent;}
.sidebar nav a:hover{color:white;background:rgba(255,255,255,0.04);}
.sidebar nav a.active{color:white;background:rgba(255,255,255,0.06);border-left-color:#ffd700;}
.sidebar nav a .icon{width:20px;text-align:center;font-size:16px;}
.sidebar .user-foot{padding:16px 20px;border-top:1px solid rgba(255,255,255,0.06);font-size:13px;color:rgba(255,255,255,0.4);display:flex;justify-content:space-between;}
.sidebar .user-foot a{color:rgba(255,255,255,0.4);text-decoration:none;cursor:pointer;}
.main{flex:1;overflow-x:hidden;}
.topbar{background:white;padding:16px 30px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #eef0f2;}
.topbar .breadcrumb{font-size:13px;color:#999;}
.topbar .breadcrumb strong{color:#1a2332;font-weight:600;}
.topbar .actions{display:flex;gap:12px;}
.content{padding:24px 30px;}
.card{background:white;border-radius:12px;padding:24px;box-shadow:0 1px 4px rgba(0,0,0,0.04);margin-bottom:16px;}
.card h3{font-size:16px;margin-bottom:14px;color:#1a2332;}
.btn{display:inline-flex;align-items:center;gap:4px;padding:8px 18px;border-radius:8px;border:none;font-size:13px;cursor:pointer;font-weight:500;}
.btn-primary{background:#2c3e6b;color:white;}
.btn-success{background:#1a9d5c;color:white;}
.btn-warning{background:#d68910;color:white;}
.btn-danger{background:#e74c3c;color:white;}
.btn-sm{padding:5px 12px;font-size:12px;}
.btn-outline{background:white;border:1.5px solid #e8ecf2;color:#666;}
.btn-outline:hover{border-color:#2c3e6b;color:#2c3e6b;}
table{width:100%;border-collapse:collapse;font-size:13px;}
th{background:#f8f9fb;padding:10px 14px;text-align:left;font-weight:600;color:#666;border-bottom:2px solid #eef0f2;font-size:12px;}
td{padding:10px 14px;border-bottom:1px solid #f2f4f8;color:#333;}
tr:hover td{background:#f8f9fb;}
.tag{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;margin:1px;}
.tag-published{background:#e8f8e8;color:#1a9d5c;}
.tag-draft{background:#fff8e6;color:#d68910;}
.tag-closed{background:#fde8e8;color:#e74c3c;}
.tag-archived{background:#f0f0f0;color:#999;}
.form-group{margin-bottom:14px;}
.form-group label{display:block;font-size:12px;color:#888;margin-bottom:4px;font-weight:500;}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 14px;border:1.5px solid #e8ecf2;border-radius:8px;font-size:14px;outline:none;}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:#2c3e6b;}
.form-group textarea{min-height:80px;resize:vertical;}
.form-inline{display:flex;gap:10px;align-items:center;flex-wrap:wrap;}
.form-inline .form-group{flex:1;margin-bottom:0;min-width:150px;}
.loading{text-align:center;padding:60px;color:#999;font-size:14px;}
.empty{text-align:center;padding:40px;color:#999;font-size:13px;}
.search-bar{display:flex;gap:10px;margin-bottom:16px;}
.search-bar input{flex:1;padding:10px 14px;border:1.5px solid #e8ecf2;border-radius:8px;font-size:13px;outline:none;}
.search-bar input:focus{border-color:#2c3e6b;}
.modal{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.4);z-index:1000;align-items:center;justify-content:center;}
.modal.show{display:flex;}
.modal-content{background:white;border-radius:14px;padding:28px;width:520px;max-width:90vw;max-height:80vh;overflow-y:auto;box-shadow:0 8px 32px rgba(0,0,0,0.12);}
.modal-content h3{font-size:17px;margin-bottom:16px;}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px;}
@media(max-width:768px){
    .sidebar{width:60px;}
    .sidebar .brand .name,.sidebar .brand .sub,.sidebar nav a span:not(.icon){display:none;}
    .sidebar nav a{padding:12px;justify-content:center;}
    .sidebar .user-foot{flex-direction:column;gap:4px;align-items:center;font-size:11px;}
    .content{padding:16px;}
    .form-inline{flex-direction:column;}
    .form-inline .form-group{min-width:auto;}
}