:root{
  --bg:#f5f7fb;
  --card:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --line:#e5e7eb;
  --primary:#2563eb;
  --primary-2:#1d4ed8;
  --success:#16a34a;
  --warning:#d97706;
  --danger:#dc2626;
  --shadow:0 12px 28px rgba(15,23,42,.08);
  --radius:18px;
}
html[data-theme="dark"]{
  --bg:#0b1220;
  --card:#111827;
  --text:#e5e7eb;
  --muted:#9ca3af;
  --line:#1f2937;
  --primary:#60a5fa;
  --primary-2:#3b82f6;
  --success:#22c55e;
  --warning:#f59e0b;
  --danger:#ef4444;
  --shadow:0 12px 28px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;
}
a{color:var(--primary);text-decoration:none}
img{max-width:100%}
button,input,select,textarea{font:inherit}
.container{max-width:1240px;margin:0 auto;padding:24px;width:100%}
.topbar{
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  padding:16px 24px;position:sticky;top:0;z-index:10;
  background:color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:800;min-width:0;word-break:break-word}
.site-logo{width:34px;height:34px;border-radius:10px;object-fit:cover}
.top-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.hero{
  display:grid;grid-template-columns:1.4fr .9fr;gap:18px;align-items:stretch;margin-bottom:18px
}
.eyebrow{font-size:12px;color:var(--primary);font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.hero h1{font-size:34px;line-height:1.15;margin:8px 0 12px}
.hero-card,.card,.admin-card,.login-card,.install-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.hero-card{padding:20px}
.card{padding:20px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.field-grid .grow,.field-grid .full{grid-column:1/-1}
label{display:block;margin-bottom:8px;font-weight:700}
input,select,textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:14px;
  background:transparent;color:var(--text);outline:none;min-width:0;
}
textarea{resize:vertical;min-height:120px}
input:focus,select:focus,textarea:focus{border-color:var(--primary)}
.inline{display:flex;gap:10px;align-items:stretch;flex-wrap:wrap}.inline > *{min-width:0}.inline .btn{flex:0 0 auto}
.btn{
  display:inline-flex;justify-content:center;align-items:center;
  border:none;border-radius:14px;padding:12px 16px;font-weight:800;cursor:pointer;
  transition:.18s ease;background:var(--card);color:var(--text);border:1px solid var(--line)
}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-2)}
.btn.secondary{background:color-mix(in srgb, var(--primary) 10%, var(--card));border-color:color-mix(in srgb, var(--primary) 22%, var(--line))}
.btn.ghost{background:transparent}
.btn.danger{background:var(--danger);border-color:var(--danger);color:#fff}
.btn.small{padding:8px 10px;border-radius:10px;font-size:12px}
.section-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}
.section-title h2,.admin-card h2{margin:0;font-size:18px}
.token-box,.preview-box,.stats-row,.stats-grid{display:grid;gap:12px}
.token-box,.preview-box{grid-template-columns:repeat(4,1fr);margin-top:16px}
.kv{
  padding:14px;border:1px solid var(--line);border-radius:14px;background:color-mix(in srgb, var(--card) 92%, var(--primary) 8%);
  display:flex;justify-content:space-between;align-items:center;gap:12px
}
.kv span{color:var(--muted)}
.kv strong{font-size:15px}
.stats-row{grid-template-columns:repeat(3,1fr);margin-top:14px}
.mini-stat,.admin-stat{
  padding:14px;border:1px solid var(--line);border-radius:14px;background:color-mix(in srgb, var(--card) 95%, var(--primary) 5%)
}
.mini-stat span,.admin-stat span{display:block;color:var(--muted);margin-bottom:6px}
.mini-stat strong,.admin-stat strong{font-size:22px}
.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.log-box{
  min-height:265px;max-height:265px;overflow:auto;white-space:pre-wrap;
  background:#07111f;color:#d9f99d;padding:14px;border-radius:14px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace
}
.table-wrap{overflow:auto}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.table th{font-size:13px;color:var(--muted);font-weight:800}
.center{text-align:center}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}
.footer{padding:0 24px 24px;color:var(--muted);text-align:center}
.footer-actions{display:flex;justify-content:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.muted{color:var(--muted)}
.notice{
  padding:12px 14px;border-radius:14px;margin:12px 0;border:1px solid var(--line)
}
.notice-success{background:color-mix(in srgb, var(--success) 10%, var(--card));border-color:color-mix(in srgb, var(--success) 30%, var(--line))}
.notice-error{background:color-mix(in srgb, var(--danger) 10%, var(--card));border-color:color-mix(in srgb, var(--danger) 30%, var(--line))}
.notice-info{background:color-mix(in srgb, var(--primary) 10%, var(--card));border-color:color-mix(in srgb, var(--primary) 30%, var(--line))}
.hidden{display:none!important}
.tab-line{display:flex;gap:18px;padding:8px 0 4px}
.prose h1,.prose h2{line-height:1.25}
.prose ul{padding-left:18px}
.install-body,.login-body{
  min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px
}
.install-card{max-width:760px;width:100%;padding:24px}
.login-card{width:100%;max-width:420px;padding:24px;display:flex;flex-direction:column;gap:10px}
.grid-form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid-form .full{grid-column:1/-1}
.admin-body{background:var(--bg)}
.admin-shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}
.admin-sidebar{
  background:var(--card);border-right:1px solid var(--line);padding:22px;position:sticky;top:0;height:100vh
}
.admin-nav{display:grid;gap:8px;margin-top:18px}
.admin-nav a{
  padding:12px 14px;border:1px solid var(--line);border-radius:14px;color:var(--text)
}
.admin-nav a:hover{border-color:var(--primary);color:var(--primary)}
.admin-main{padding:24px}
.admin-topbar{
  display:flex;justify-content:space-between;align-items:center;margin-bottom:18px
}
.admin-topbar h1{margin:0}
.stats-grid{grid-template-columns:repeat(4,1fr);margin-bottom:18px}
.inline-form{display:flex;gap:8px;flex-wrap:wrap}
.grid-2-admin{display:grid;grid-template-columns:.95fr 1.05fr;gap:18px}
.pager{display:flex;gap:8px;justify-content:center;margin-top:16px;flex-wrap:wrap}
.page-link{
  min-width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;color:var(--text)
}
.page-link.active{background:var(--primary);border-color:var(--primary);color:#fff}
@media (max-width: 980px){
  .hero,.grid-2,.grid-2-admin,.field-grid,.stats-grid,.token-box,.preview-box{grid-template-columns:1fr}
  .admin-shell{grid-template-columns:1fr}
  .admin-sidebar{position:relative;height:auto}
  .topbar{padding:14px 16px}
  .container,.admin-main{padding:16px}
}
@media (max-width: 768px){
  .topbar{align-items:flex-start}
  .brand{font-size:18px;max-width:100%}
  .top-actions{width:100%;justify-content:stretch}
  .top-actions .btn{flex:1 1 calc(50% - 6px);min-height:44px}
  .hero h1{font-size:28px}
  .hero-card,.card,.admin-card,.login-card,.install-card{padding:16px}
  .button-row .btn,.inline .btn{width:100%}
  .table th,.table td{padding:10px 8px;font-size:12px}
  .footer{padding:0 16px 20px}
}
@media (max-width: 520px){
  body{font-size:13px}
  .container,.admin-main{padding:12px}
  .topbar{padding:12px}
  .brand{font-size:17px;gap:10px}
  .site-logo{width:30px;height:30px}
  .hero h1{font-size:24px;margin:6px 0 10px}
  .eyebrow{font-size:11px;letter-spacing:.05em}
  .kv{padding:12px;align-items:flex-start;flex-direction:column}
  .stats-row{grid-template-columns:1fr}
  textarea{min-height:180px}
  .button-row{display:grid;grid-template-columns:1fr}
  .button-row .btn,.top-actions .btn{width:100%}
  .footer-actions .btn{width:100%}
}