:root{
  --primary:#1b3a6b; --primary-2:#0f2a4f; --accent:#c0392b; --accent-2:#e74c3c;
  --bg:#f4f6f9; --panel:#fff; --text:#2c3e50; --muted:#7f8c9a; --line:#e3e8ef;
  --rad:12px; --shadow:0 2px 10px rgba(0,0,0,.06);
}
*{box-sizing:border-box;margin:0;padding:0;}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);}
a{text-decoration:none;color:var(--primary);}
button{font-family:inherit;cursor:pointer;border:none;}

/* ===== 登录页 ===== */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#12315e 0%,#1b3a6b 55%,#2c5a92 100%);position:relative;overflow:hidden;}
.login-wrap::before{content:"🏛";position:absolute;font-size:40vh;opacity:.05;right:-5vw;bottom:-5vh;transform:rotate(-15deg);}
.login-card{width:min(400px,92vw);background:#fff;border-radius:18px;box-shadow:0 20px 50px rgba(0,0,0,.3);padding:36px 32px;z-index:2;}
.login-card h1{font-size:22px;text-align:center;color:var(--primary);margin-bottom:4px;}
.login-card .sub{text-align:center;color:var(--muted);font-size:13px;margin-bottom:22px;}
.login-card .err{background:#fdecea;color:var(--accent);padding:9px;border-radius:8px;font-size:13px;margin-bottom:12px;display:none;}
.login-card .err.show{display:block;}
.fld{margin-bottom:14px;}
.fld label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;}
.fld input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:15px;transition:border .2s;}
.fld input:focus{outline:none;border-color:var(--primary);}
.btn{display:inline-block;background:var(--primary);color:#fff;padding:12px 20px;border-radius:10px;font-size:15px;font-weight:600;text-align:center;transition:opacity .2s;}
.btn:hover{opacity:.9;}
.btn.block{width:100%;}
.btn.ghost{background:#fff;color:var(--primary);border:1px solid var(--line);}
.btn.red{background:var(--accent);}
.btn.small{padding:7px 12px;font-size:13px;border-radius:8px;}
.btn:disabled{opacity:.5;cursor:not-allowed;}
.switch{text-align:center;margin-top:14px;font-size:13px;color:var(--muted);}
.switch a{color:var(--accent);font-weight:600;margin-left:4px;}
.tabs{display:flex;background:#f1f4f9;border-radius:10px;padding:4px;margin-bottom:18px;}
.tabs button{flex:1;padding:9px;border-radius:8px;background:transparent;color:var(--muted);font-size:14px;}
.tabs button.active{background:#fff;color:var(--accent);font-weight:700;box-shadow:0 1px 4px rgba(0,0,0,.08);}
.code-row{display:flex;gap:8px;}
.code-row input{flex:1;}
.code-row .btn{padding:12px 16px;}

/* ===== 主框架 ===== */
.layout{display:flex;min-height:100vh;}
.sidebar{width:230px;background:var(--primary-2);color:#fff;flex-shrink:0;display:flex;flex-direction:column;}
.sidebar .brand{display:flex;align-items:center;gap:10px;padding:20px 18px;font-size:17px;font-weight:700;border-bottom:1px solid rgba(255,255,255,.1);}
.sidebar .brand .logo{width:36px;height:36px;background:var(--accent);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:19px;}
.sidebar nav{flex:1;padding:12px 0;}
.sidebar nav a{display:flex;align-items:center;gap:10px;padding:12px 18px;color:rgba(255,255,255,.82);font-size:14px;transition:background .15s;}
.sidebar nav a:hover{background:rgba(255,255,255,.08);}
.sidebar nav a.active{background:var(--primary);border-left:3px solid var(--accent);color:#fff;font-weight:600;}
.main{flex:1;display:flex;flex-direction:column;min-width:0;}
.topbar{background:var(--panel);padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow);}
.topbar .title{font-size:17px;font-weight:700;color:var(--primary);}
.topbar .user{display:flex;align-items:center;gap:10px;font-size:14px;}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;}
.content{padding:24px;flex:1;overflow-y:auto;}

/* ===== 卡片/表格 ===== */
.card{background:var(--panel);border-radius:var(--rad);box-shadow:var(--shadow);padding:20px;margin-bottom:18px;}
.card h3{font-size:16px;color:var(--primary);margin-bottom:14px;display:flex;align-items:center;justify-content:space-between;}
.card h3 .tool{display:flex;gap:8px;}
.grid{display:grid;gap:16px;}
.grid.c2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:18px;}
.stat{background:var(--panel);border-radius:var(--rad);padding:18px;box-shadow:var(--shadow);border-left:4px solid var(--accent);}
.stat .num{font-size:28px;font-weight:800;color:var(--primary);}
.stat .lbl{font-size:13px;color:var(--muted);}
table{width:100%;border-collapse:collapse;font-size:14px;}
th,td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--line);}
th{color:var(--muted);font-weight:600;font-size:13px;background:#f8fafc;}
tr:hover td{background:#fafbfd;}
.tag{padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600;}
.tag.blue{background:#e8f0fd;color:#1b5bbf;}
.tag.red{background:#fdecea;color:var(--accent);}
.tag.green{background:#e6f7ee;color:#1a9a5a;}
.tag.orange{background:#fff3e6;color:#e67e22;}
.tag.gray{background:#eef1f4;color:#7f8c9a;}
.badge{display:inline-block;min-width:20px;height:20px;line-height:20px;border-radius:10px;background:var(--accent);color:#fff;font-size:12px;text-align:center;padding:0 6px;}
.empty{text-align:center;color:var(--muted);padding:30px;font-size:14px;}
.pager{display:flex;gap:8px;justify-content:center;margin-top:14px;align-items:center;}
.pager button{padding:6px 14px;border-radius:8px;background:#fff;border:1px solid var(--line);}
.pager button[disabled]{opacity:.4;}
.loading{text-align:center;color:var(--muted);padding:30px;}
.row{display:flex;gap:12px;align-items:center;}
.mt{margin-top:12px;}

/* ===== 模块列表页共用 ===== */
.list-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;}
.list-head h2{font-size:18px;color:var(--primary);}
.filters{display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap;align-items:center;}
.filters select,.filters input{padding:8px 12px;border:1px solid var(--line);border-radius:8px;font-size:13px;}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px;}
.modal.hidden{display:none;}
.modal-box{background:#fff;border-radius:14px;width:min(560px,94vw);max-height:86vh;overflow-y:auto;padding:24px;}
.modal-box h3{color:var(--primary);margin-bottom:16px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.form-grid .full{grid-column:1/-1;}
.form-grid label{font-size:13px;color:var(--muted);display:block;margin-bottom:4px;}
.form-grid input,.form-grid select,.form-grid textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-size:14px;font-family:inherit;}
.form-grid textarea{resize:vertical;min-height:80px;}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;margin-top:18px;}
.toast{position:fixed;top:20px;left:50%;transform:translateX(-50%);background:#1f2d3d;color:#fff;padding:11px 22px;border-radius:9px;font-size:14px;z-index:999;opacity:0;pointer-events:none;transition:opacity .25s;box-shadow:0 4px 14px rgba(0,0,0,.2);}
.toast.show{opacity:1;}

@media(max-width:800px){
  .sidebar{width:64px;}
  .sidebar .brand span.txt,.sidebar nav a span{display:none;}
  .sidebar nav a{justify-content:center;padding:14px 8px;font-size:18px;}
  .content{padding:14px;overflow-y:auto;height:calc(100vh-60px);}
  .form-grid{grid-template-columns:1fr;}
  .grid.c2{grid-template-columns:1fr;}
}