:root{
  --fw-bg:#f4f7fb;
  --fw-card:#ffffff;
  --fw-text:#101828;
  --fw-muted:#667085;
  --fw-line:#e4e7ec;
  --fw-blue:#2563eb;
  --fw-blue2:#1d4ed8;
  --fw-side:#0b1220;
  --fw-side2:#111827;
  --fw-green:#12b76a;
  --fw-red:#d92d20;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;min-height:100%;background:var(--fw-bg);color:var(--fw-text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;font-size:14px}
a{color:var(--fw-blue);text-decoration:none}
a:hover{text-decoration:none}
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:248px;
  background:linear-gradient(180deg,var(--fw-side),var(--fw-side2));
  color:#fff;padding:22px 16px;display:flex;flex-direction:column;
  box-shadow:8px 0 28px rgba(15,23,42,.16);z-index:20
}
.brand{display:flex;gap:12px;align-items:center;margin-bottom:30px;padding:4px 4px 12px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#2f6bff,#6ee7d8);display:flex;align-items:center;justify-content:center;font-weight:900;color:#fff;letter-spacing:.5px;box-shadow:0 10px 22px rgba(37,99,235,.35)}
.brand strong{display:block;font-size:15px;letter-spacing:.8px}
.brand span{display:block;color:#98a2b3;font-size:12px;margin-top:3px}
.sidebar nav{display:flex;flex-direction:column;gap:6px}
.sidebar nav a{display:flex;align-items:center;gap:10px;color:#cbd5e1;text-decoration:none;padding:12px 14px;border-radius:12px;font-weight:700;transition:.15s ease}
.sidebar nav a::before{content:"";width:8px;height:8px;border-radius:50%;background:#64748b}
.sidebar nav a.active,.sidebar nav a:hover{background:#2563eb;color:#fff;box-shadow:0 10px 22px rgba(37,99,235,.25)}
.sidebar nav a.active::before,.sidebar nav a:hover::before{background:#fff}
.sidebar-foot{margin-top:auto;color:#cbd5e1;font-size:14px;padding:14px;border-radius:14px;background:rgba(255,255,255,.06)}
.sidebar-foot small{display:block;color:#94a3b8;margin-top:4px}
.sidebar-foot a{display:block;color:#bfdbfe;margin-top:10px;text-decoration:none;font-weight:700}
.main{margin-left:248px;padding:28px 32px;min-height:100vh}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:18px}
.page-head h1{margin:0;font-size:28px;font-weight:900;letter-spacing:-.4px;color:#0f172a}
.page-head p{margin:8px 0 0;color:var(--fw-muted)}
.panel{background:var(--fw-card);border:1px solid var(--fw-line);border-radius:18px;box-shadow:0 10px 30px rgba(15,23,42,.06);padding:22px;margin-bottom:18px}
h2{font-size:17px;margin:26px 0 14px;color:#0f172a;font-weight:900}
.panel>h2:first-child{margin-top:0}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
label{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:800;color:#344054}
input,select,textarea{width:100%;border:1px solid #d0d5dd;border-radius:11px;padding:11px 12px;font-size:14px;font-family:inherit;background:#fff;color:#101828;outline:none;transition:.12s ease}
input:focus,select:focus,textarea:focus{border-color:#84adff;box-shadow:0 0 0 4px rgba(37,99,235,.10)}
input[readonly],textarea[readonly],select:disabled{background:#f8fafc;color:#667085}
.btn{display:inline-flex;align-items:center;justify-content:center;border:0;background:var(--fw-blue);color:#fff!important;padding:11px 16px;border-radius:11px;font-weight:900;text-decoration:none;cursor:pointer;box-shadow:0 10px 20px rgba(37,99,235,.18)}
.btn:hover{background:var(--fw-blue2)}
.btn.ghost,.btn.grey{background:#eef4ff;color:#1d4ed8!important;box-shadow:none}
.btn.full{width:100%}
.actions{display:flex;gap:12px;align-items:center;margin-top:22px;flex-wrap:wrap}
.alert{background:#fff1f0;border:1px solid #fecdca;color:#b42318;padding:12px 14px;border-radius:12px;margin-bottom:16px;font-weight:700}
.notice{background:#ecfdf3;border:1px solid #abefc6;color:#067647;padding:12px 14px;border-radius:12px;margin-bottom:16px;font-weight:700}
.muted{color:var(--fw-muted);line-height:1.6}
.inline-form{max-width:520px}
.items-list{display:grid;gap:10px}
.item-card{display:grid;grid-template-columns:88px 150px 1fr 150px 150px;gap:8px;align-items:center;background:#f8fafc;border:1px solid #e4e7ec;border-radius:14px;padding:10px}
.check{display:flex;flex-direction:row;align-items:center;gap:7px;font-weight:800}
.check input{width:auto}
.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{display:flex;flex-direction:row;gap:7px;align-items:center;background:#f8fafc;border:1px solid #e4e7ec;border-radius:999px;padding:9px 13px;font-weight:800}
.chip input{width:auto}
.data-table{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border:1px solid var(--fw-line);border-radius:14px}
.data-table th,.data-table td{padding:12px;border-bottom:1px solid var(--fw-line);text-align:left;vertical-align:middle}
.data-table tr:last-child td{border-bottom:0}
.data-table th{color:#475467;background:#f9fafb;font-size:13px}
.split{display:grid;grid-template-columns:330px 1fr;gap:18px}
.list-row{display:flex;justify-content:space-between;gap:10px;text-decoration:none;color:#0f172a;border:1px solid #e4e7ec;border-radius:12px;padding:12px;margin-bottom:8px;background:#fff}
.list-row.active{border-color:#2563eb;background:#eff6ff}
.codearea{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;line-height:1.5;min-height:220px}
.mini{display:inline-flex;gap:6px;align-items:center}
.mini input{width:120px;padding:7px}
.mini button{border:0;border-radius:8px;padding:7px 9px;background:#eef4ff;color:#1d4ed8;font-weight:800}
pre{white-space:pre-wrap;background:#0f172a;color:#e2e8f0;padding:12px;border-radius:10px;overflow:auto}

/* Login */
.login-body{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 20% 20%,rgba(96,165,250,.55),transparent 30%),radial-gradient(circle at 85% 15%,rgba(45,212,191,.30),transparent 28%),linear-gradient(135deg,#07111f,#102a62 58%,#0b1220)}
.login-card{width:430px;background:rgba(255,255,255,.98);border:1px solid rgba(255,255,255,.55);border-radius:24px;padding:30px;box-shadow:0 30px 90px rgba(0,0,0,.35)}
.login-brand{display:flex;align-items:center;gap:14px;margin-bottom:24px}
.login-brand h1{margin:0;font-size:26px}
.login-brand p{margin:4px 0 0;color:var(--fw-muted)}

@media(max-width:980px){
  .sidebar{position:static;width:auto;border-radius:0}
  .main{margin-left:0;padding:18px}
  .form-grid,.split{grid-template-columns:1fr}
  .item-card{grid-template-columns:1fr}
  .page-head{display:block}
}

.team-card{border:1px solid var(--fw-line);border-radius:16px;padding:16px;margin-bottom:16px;background:#fff}
.seal-preview{display:flex;align-items:center;gap:14px;margin:12px 0;padding:12px;border:1px dashed #d0d5dd;border-radius:14px;background:#f8fafc}
.seal-preview img{max-width:160px;max-height:160px;object-fit:contain}
.seal-help{padding:12px;border-radius:12px;background:#f8fafc;color:#667085;line-height:1.6;border:1px solid #e4e7ec}