:root{
  --bg1:#020617;
  --bg2:#0f172a;
  --panel:rgba(17,24,39,.94);
  --panel2:#0b1220;
  --line:rgba(255,255,255,.08);
  --text:#f8fafc;
  --muted:#94a3b8;
  --green:#22c55e;
  --green2:#16a34a;
  --danger:#ef4444;
  --danger-bg:rgba(239,68,68,.12);
  --success-bg:rgba(34,197,94,.12);
  --shadow:0 20px 60px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{min-height:100%}
body{margin:0;font-family:Tahoma,Arial,sans-serif;background:linear-gradient(180deg,var(--bg1) 0%,var(--bg2) 100%);color:var(--text)}
a{color:#86efac;text-decoration:none}a:hover{opacity:.95}
code{background:#08101d;color:#d1fae5;border:1px solid var(--line);padding:.2rem .45rem;border-radius:8px;word-break:break-all}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;background:rgba(2,6,23,.72);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.topbar nav{display:flex;gap:10px;flex-wrap:wrap}.topbar nav a{color:#fff;background:#1e293b;border:1px solid var(--line);padding:9px 13px;border-radius:12px}
.container{max-width:1180px;margin:34px auto;padding:0 20px}
.card,.auth-card,.stat-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
.card,.auth-card{padding:24px;margin-bottom:20px}.auth-page{display:block}.auth-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.auth-card{width:min(480px,100%)}.install-card{width:min(820px,100%)}
h1,h2,h3,p{margin-top:0}h1{font-size:30px;margin-bottom:10px}h2{font-size:22px}
label{display:block;font-size:14px;margin-bottom:8px;color:#e5e7eb}
input,select,button,textarea{font:inherit}
input,select,textarea{width:100%;padding:14px 15px;border:1px solid var(--line);border-radius:12px;background:var(--panel2);color:var(--text);outline:none;transition:.18s ease}
input:focus,select:focus,textarea:focus{border-color:rgba(34,197,94,.75);box-shadow:0 0 0 3px rgba(34,197,94,.15)}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 16px;border-radius:12px;cursor:pointer;border:1px solid var(--line);background:#334155;color:#fff}
.btn.primary{background:linear-gradient(180deg,var(--green),var(--green2));color:#052e16;border:none;font-weight:700}.btn.small{padding:7px 10px;font-size:13px}.btn.danger{background:var(--danger-bg);border-color:rgba(239,68,68,.25);color:#fecaca}
.alert{padding:14px 16px;border-radius:12px;margin-bottom:16px;border:1px solid var(--line)}.alert.success{background:var(--success-bg);color:#dcfce7;border-color:rgba(34,197,94,.25)}.alert.error{background:var(--danger-bg);color:#fecaca;border-color:rgba(239,68,68,.25)}
.muted{color:var(--muted)}.lead{max-width:70ch}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.form-grid .full{grid-column:1/-1}
.stats-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:20px}.stat-card{padding:18px}.stat-card span{display:block;color:var(--muted);margin-bottom:10px}.stat-card strong{font-size:28px}
.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}.search-form{display:flex;gap:8px;flex-wrap:wrap}.search-form input{min-width:280px; width:70%}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px}table{width:100%;border-collapse:collapse;font-size:14px;background:rgba(11,18,32,.45)}th,td{padding:13px 12px;border-bottom:1px solid var(--line);text-align:right;vertical-align:top}th{background:rgba(2,6,23,.9);position:sticky;top:0}
.long-url{max-width:320px;word-break:break-all}.qr-thumb{width:76px;height:76px;border:1px solid var(--line);border-radius:12px;padding:5px;background:#fff}.short-link-cell{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.short-link-cell a{word-break:break-all}.actions{white-space:nowrap}.empty{text-align:center;color:var(--muted)}.narrow{max-width:760px;margin-inline:auto}
.auth-note,.panel-note{background:rgba(15,23,42,.75);border:1px solid var(--line);border-radius:16px;padding:18px}.grid-hero{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.copy-btn.copied{background:rgba(34,197,94,.15);border-color:rgba(34,197,94,.25);color:#dcfce7}
@media (max-width:900px){.form-grid,.stats-grid,.grid-hero{grid-template-columns:1fr}.section-head{display:block}.search-form input{min-width:0;width:100%}.topbar{flex-direction:column;align-items:flex-start}}