:root{
  --bg:#070b16;
  --panel:#0b1220;
  --card:#0f1a2e;
  --stroke:rgba(255,255,255,.10);
  --muted:#a7b4c6;
  --text:#e8eef7;
  --brand:#2563eb;
  --good:#067647;
  --bad:#b42318;
  --shadow:0 14px 40px rgba(0,0,0,.45);
  --radius:18px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "PingFang SC","Microsoft YaHei", sans-serif;
  background: radial-gradient(1200px 600px at 20% -10%, rgba(37,99,235,.35), transparent 60%),
              radial-gradient(900px 500px at 110% 10%, rgba(6,118,71,.22), transparent 55%),
              var(--bg);
  color:var(--text);
}
a{color:inherit}
.container{max-width:980px;margin:0 auto;padding:18px}
.shell{min-height:100%;display:flex;flex-direction:column}
.topbar{
  position:sticky;top:0;z-index:10;
  backdrop-filter: blur(10px);
  background: rgba(7,11,22,.65);
  border-bottom:1px solid var(--stroke);
}
.topbar .row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 18px}
.brand{display:flex;align-items:center;gap:10px}
.logo{
  width:34px;height:34px;border-radius:10px;
  background: linear-gradient(135deg, rgba(37,99,235,1), rgba(16,185,129,1));
  box-shadow: 0 10px 24px rgba(37,99,235,.22);
}
.brand .name{font-weight:900;letter-spacing:.2px}
.pill{
  font-size:12px;font-weight:700;color:var(--muted);
  padding:8px 10px;border:1px solid var(--stroke);
  border-radius:999px;background:rgba(255,255,255,.04)
}
.main{flex:1}
.grid{
  display:grid;gap:14px;
  grid-template-columns: 1.1fr .9fr;
  align-items:start;
}
@media (max-width: 900px){.grid{grid-template-columns:1fr}}
.card{
  background:rgba(15,26,46,.82);
  border:1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card .pad{padding:18px}
.h1{font-size:28px;font-weight:900;margin:0 0 6px}
.sub{margin:0;color:var(--muted);line-height:1.6}
.kpis{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.kpi{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:16px;border:1px solid var(--stroke);background:rgba(255,255,255,.04)}
.kpi .dot{width:9px;height:9px;border-radius:99px;background:rgba(255,255,255,.35)}
.form{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap}
.input{
  flex:1;min-width:240px;
  display:flex;align-items:center;gap:10px;
  padding:12px 14px;border-radius:16px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.05);
}
.input input{border:0;outline:none;background:transparent;color:var(--text);width:100%;font-size:16px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 14px;border-radius:16px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.06);
  color:var(--text);font-weight:900;
  text-decoration:none;cursor:pointer;
}
.btn.primary{background:var(--brand);border-color:transparent}
.btn:active{transform:translateY(1px)}
.note{margin-top:12px;font-size:12px;color:rgba(167,180,198,.95);line-height:1.6}
.feature{display:grid;gap:10px;margin-top:12px}
.item{padding:12px;border-radius:16px;border:1px solid var(--stroke);background:rgba(255,255,255,.04)}
.item .t{font-weight:900;margin:0 0 4px}
.item .d{margin:0;color:var(--muted);line-height:1.55;font-size:13px}
.footer{padding:18px;color:rgba(167,180,198,.85);font-size:12px;line-height:1.6}
.alert{
  margin-top:12px;
  padding:12px 14px;border-radius:16px;
  border:1px solid rgba(244,63,94,.25);
  background: rgba(244,63,94,.10);
  color:#fecdd3;
}
.resultBadge{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:999px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.05);
  font-weight:900;letter-spacing:.3px
}
.resultBadge.good b{color:var(--good)}
.resultBadge.bad b{color:var(--bad)}
.kvgrid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
@media (max-width: 720px){.kvgrid{grid-template-columns:1fr}}
.kv{padding:12px;border-radius:16px;border:1px solid var(--stroke);background:rgba(255,255,255,.04)}
.kv .k{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:rgba(167,180,198,.9)}
.kv .v{margin-top:6px;font-size:16px}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}

/* --- VIN validation + loading overlay --- */
.helpRow{margin-top:10px;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.help{font-size:12px;color:rgba(167,180,198,.95);line-height:1.5}
.err{color:#fecdd3}
.ok{color:#bbf7d0}
.badgeMini{display:inline-flex;align-items:center;gap:8px;padding:8px 10px;border-radius:999px;border:1px solid var(--stroke);background:rgba(255,255,255,.04);font-weight:800;font-size:12px}
.badgeMini .s{width:8px;height:8px;border-radius:999px;background:rgba(255,255,255,.35)}
.badgeMini.good .s{background:var(--good)}
.badgeMini.bad .s{background:var(--bad)}
.overlay{
  position:fixed;inset:0;z-index:1000;
  display:none;align-items:center;justify-content:center;
  background:rgba(7,11,22,.72);
  backdrop-filter: blur(10px);
  padding:18px;
}
.overlay.show{display:flex}
.modal{
  width:min(520px, 100%);
  border-radius:22px;
  border:1px solid var(--stroke);
  background:rgba(15,26,46,.92);
  box-shadow: var(--shadow);
  padding:18px;
}
.modal .title{font-size:18px;font-weight:900;margin:0 0 6px}
.modal .desc{margin:0;color:var(--muted);line-height:1.6}
.spin{
  width:44px;height:44px;border-radius:999px;
  border:4px solid rgba(255,255,255,.14);
  border-top-color: rgba(255,255,255,.88);
  animation: sp 1s linear infinite;
  margin-bottom:14px;
}
@keyframes sp{to{transform:rotate(360deg)}}