/* Appalachian-ish: warm, readable, lightly rustic (no heavy textures) */
:root{
  --bg:#0f1115;
  --card:#171a21;
  --card2:#1b202a;
  --text:#f2f2f2;
  --muted:#b8c0cc;
  --accent:#b23a2f;      /* barn red */
  --accent2:#2f5aa6;     /* deep blue */
  --good:#2aa775;
  --warn:#e0b43a;
  --bad:#d65a5a;
  --line:#2a3240;
  --shadow: 0 8px 30px rgba(0,0,0,.35);
  --radius:16px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--sans);
  background: radial-gradient(1200px 800px at 15% -10%, rgba(47,90,166,.25), transparent 60%),
              radial-gradient(1200px 900px at 90% 0%, rgba(178,58,47,.18), transparent 60%),
              var(--bg);
  color:var(--text);
}
a{color:var(--text); text-decoration:none}
a:hover{text-decoration:underline}
.topbar{
  display:flex; justify-content:space-between; align-items:center;
  padding:14px 16px;
  border-bottom:1px solid var(--line);
  background: rgba(15,17,21,.7);
  backdrop-filter: blur(8px);
  position:sticky; top:0; z-index:10;
}
.brand-title{font-weight:800; letter-spacing:.4px}
.brand-sub{font-size:12px; color:var(--muted); margin-top:2px}
.nav a{margin-left:12px; padding:8px 10px; border-radius:12px}
.nav a:hover{background:rgba(255,255,255,.06); text-decoration:none}
.app{max-width:1100px; margin:0 auto; padding:16px}
.footer{
  max-width:1100px; margin:0 auto; padding:10px 16px 22px;
  color:var(--muted); font-size:12px;
}
.grid{display:grid; gap:14px}
@media(min-width:900px){
  .grid.cols2{grid-template-columns: 1.15fr .85fr;}
  .grid.cols3{grid-template-columns: 1.2fr .9fr .9fr;}
}
.card{
  background: linear-gradient(180deg, rgba(255,255,255,.03), transparent 140px), var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:14px;
}
.card h2{margin:0 0 10px 0; font-size:18px}
.muted{color:var(--muted)}
.row{display:flex; gap:10px; flex-wrap:wrap; align-items:center}
.row.space{justify-content:space-between}
.btn{
  background: rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
  color:var(--text);
  padding:10px 12px;
  border-radius:14px;
  cursor:pointer;
  font-weight:650;
}
.btn:hover{background:rgba(255,255,255,.11)}
.btn.primary{background:rgba(178,58,47,.22); border-color:rgba(178,58,47,.35)}
.btn.primary:hover{background:rgba(178,58,47,.3)}
.btn.good{background:rgba(42,167,117,.18); border-color:rgba(42,167,117,.3)}
.btn.warn{background:rgba(224,180,58,.18); border-color:rgba(224,180,58,.3)}
.btn.bad{background:rgba(214,90,90,.18); border-color:rgba(214,90,90,.3)}
.btn.small{padding:7px 10px; border-radius:12px; font-size:13px}
.input, select{
  background: rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  color:var(--text);
  border-radius:12px;
  padding:10px 12px;
  outline:none;
}
.input::placeholder{color:#97a2b0}
hr.sep{border:none; border-top:1px solid var(--line); margin:12px 0}
.list{display:flex; flex-direction:column; gap:8px}
.item{
  background: var(--card2);
  border:1px solid rgba(255,255,255,.08);
  border-radius:14px;
  padding:10px 12px;
}
.kv{display:flex; justify-content:space-between; gap:8px}
.tag{
  font-family:var(--mono);
  font-size:12px;
  color:var(--muted);
  border:1px solid rgba(255,255,255,.12);
  border-radius:999px;
  padding:4px 10px;
}
.bigTimer{
  font-family:var(--mono);
  font-size:26px;
  letter-spacing:1px;
}
.timeLimit{
  color:var(--warn);
  font-weight:800;
}
.badge{
  display:inline-block;
  padding:4px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  font-size:12px;
  color:var(--muted);
}
.badge.good{color:#bff2dc; border-color:rgba(42,167,117,.35); background:rgba(42,167,117,.12)}
.badge.bad{color:#ffd1d1; border-color:rgba(214,90,90,.35); background:rgba(214,90,90,.12)}
.badge.warn{color:#ffe8a8; border-color:rgba(224,180,58,.35); background:rgba(224,180,58,.12)}
.twoCol{display:grid; grid-template-columns: 1fr 1fr; gap:10px}
@media(max-width:600px){.twoCol{grid-template-columns:1fr}}
.qr{
  width:220px; height:220px; background: rgba(255,255,255,.04);
  border:1px dashed rgba(255,255,255,.16);
  border-radius:16px; display:flex; align-items:center; justify-content:center;
  color:var(--muted); font-family:var(--mono); text-align:center; padding:10px;
}
.small{font-size:12px}


.qr-wrap {
  text-align:center;
  padding:20px 10px;
}

.qr-title {
  font-size:20px;
  font-weight:700;
  margin-bottom:12px;
  color:#1b3a2b;
}

.qr-sub {
  font-size:14px;
  margin-top:10px;
  opacity:0.8;
}

.qr-box {
  position:relative;
  display:inline-block;
  padding:18px;
  background:linear-gradient(135deg,#f8fff6,#e8f5ea);
  border-radius:20px;
  box-shadow:0 8px 20px rgba(0,0,0,0.12);
}

#qrCanvas {
  border-radius:16px;
  background:white;
}

.qr-center {
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%);
  background:white;
  padding:6px 10px;
  border-radius:10px;
  font-weight:800;
  font-size:14px;
  color:#0f2f22;
  box-shadow:0 2px 6px rgba(0,0,0,0.15);
  line-height:1.1;
}

#qrImg{border-radius:16px;background:#fff}