:root{
  --bg:#fff7e6;
  --card:#ffffff;
  --ink:#1f2937;
  --muted:#6b7280;
  --brand:#d97706;
  --brand2:#f59e0b;
  --border:#eadcc5;
  --shadow:0 18px 40px rgba(31,41,55,.14);
  --ok:#166534;
  --danger:#b91c1c;
  --radius:18px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background: radial-gradient(1200px 700px at 15% 0%, rgba(245,158,11,.25), transparent 55%),
              radial-gradient(900px 600px at 90% 10%, rgba(217,119,6,.18), transparent 60%),
              var(--bg);
  color:var(--ink);
}
a{color:inherit; text-decoration:none}

.topbar{
  position:sticky; top:0; z-index:20;
  backdrop-filter: blur(10px);
  background: rgba(255,247,230,.75);
  border-bottom:1px solid var(--border);
}
.topbar .inner{
  max-width:1100px;
  margin:0 auto;
  padding:14px 16px;
  display:flex;
  gap:12px;
  align-items:center;
  justify-content:space-between;
}
.brand{
  display:flex; gap:10px; align-items:center;
}
.badge{
  width:42px; height:42px; border-radius:14px;
  display:grid; place-items:center;
  background: linear-gradient(135deg, rgba(217,119,6,.18), rgba(245,158,11,.28));
  border:1px solid var(--border);
  box-shadow: var(--shadow);
}
.badge span{font-weight:900; letter-spacing:.5px}
.title h1{margin:0; font-size:16px; line-height:1.2}
.title p{margin:2px 0 0; color:var(--muted); font-size:12.5px}

.pills{display:flex; gap:8px; flex-wrap:wrap; justify-content:flex-end}
.pill{
  padding:8px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.75);
  color:var(--ink);
  font-size:12.5px;
  cursor:pointer;
}
.pill:hover{transform:translateY(-1px)}

.container{max-width:1100px; margin:0 auto; padding:18px 16px 46px}
.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap:14px;
}
.card{
  background:rgba(255,255,255,.86);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.card .hd{padding:14px 14px 0}
.card .hd h2{margin:0; font-size:16px}
.card .hd p{margin:6px 0 0; color:var(--muted); font-size:13px}
.card .bd{padding:14px}

.btnrow{display:flex; gap:10px; flex-wrap:wrap}
.btn{
  border:1px solid var(--border);
  background: linear-gradient(135deg, rgba(217,119,6,.12), rgba(245,158,11,.18));
  color:var(--ink);
  padding:10px 12px;
  border-radius:12px;
  cursor:pointer;
  font-weight:700;
  font-size:13px;
}
.btn.primary{
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  border-color: rgba(255,255,255,.25);
  color:#fff;
}
.btn.ghost{background:rgba(255,255,255,.7)}
.btn:disabled{opacity:.55; cursor:not-allowed}

.kpis{display:grid; grid-template-columns:repeat(4,1fr); gap:10px}
.kpi{
  padding:12px;
  border-radius:16px;
  background:rgba(255,255,255,.7);
  border:1px solid var(--border);
}
.kpi .v{font-size:18px; font-weight:900}
.kpi .l{font-size:12px; color:var(--muted); margin-top:4px}

hr.sep{border:none; border-top:1px dashed var(--border); margin:14px 0}

.input{width:100%; padding:10px 12px; border-radius:12px; border:1px solid var(--border); background:#fff}
.label{font-size:12px; color:var(--muted); margin:10px 0 6px}
.small{font-size:12px; color:var(--muted)}

.stagebar{display:flex; gap:8px; flex-wrap:wrap}
.stage{
  padding:7px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.7);
  font-size:12px;
}
.stage.active{background:rgba(245,158,11,.22); border-color:rgba(217,119,6,.35); font-weight:800}
.stage.done{background:rgba(22,101,52,.12); border-color:rgba(22,101,52,.25)}

.quiz{
  display:grid; gap:12px;
}
.q{
  padding:12px;
  border:1px solid var(--border);
  border-radius:16px;
  background:rgba(255,255,255,.8);
}
.q h3{margin:0 0 8px; font-size:14px}
.opts{display:grid; gap:8px; margin-top:10px}
.opt{
  display:flex; gap:10px; align-items:flex-start;
  padding:10px;
  border-radius:14px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.75);
  cursor:pointer;
}
.opt input{margin-top:2px}
.opt:hover{transform:translateY(-1px)}

.timer{
  display:flex; gap:10px; align-items:center; justify-content:space-between;
  padding:10px 12px;
  border:1px solid var(--border);
  border-radius:16px;
  background:rgba(255,255,255,.78);
}
.timer .t{font-weight:900}

.codebox{
  width:100%; min-height:220px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size:13px;
  padding:12px;
  border-radius:16px;
  border:1px solid var(--border);
  background:#0b1220;
  color:#e5e7eb;
}
.pre{
  white-space:pre-wrap;
  word-break:break-word;
  background:rgba(255,255,255,.7);
  border:1px solid var(--border);
  border-radius:16px;
  padding:12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size:12.5px;
}

.chat{
  display:grid; gap:10px;
  max-height:360px;
  overflow:auto;
  padding-right:4px;
}
.msg{padding:10px 12px; border-radius:16px; border:1px solid var(--border); background:rgba(255,255,255,.76)}
.msg.bot{background:rgba(245,158,11,.14)}
.msg .who{font-size:11px; color:var(--muted); margin-bottom:6px}

.columns{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:12px;
}
.col{
  min-height:220px;
  border:1px dashed rgba(217,119,6,.4);
  background:rgba(255,255,255,.65);
  border-radius:18px;
  padding:10px;
}
.col h3{margin:0 0 10px; font-size:13px; color:var(--muted)}
.cand{
  border:1px solid var(--border);
  background:rgba(255,255,255,.85);
  border-radius:16px;
  padding:10px;
  margin-bottom:10px;
  cursor:grab;
}
.cand strong{display:block; font-size:13px}
.cand .meta{font-size:12px; color:var(--muted); margin-top:4px}

.footer{
  max-width:1100px;
  margin:0 auto;
  padding:0 16px 30px;
  color:var(--muted);
  font-size:12.5px;
}

@media (max-width: 980px){
  .kpis{grid-template-columns:repeat(2,1fr)}
  .columns{grid-template-columns:repeat(2,1fr)}
}
@media (max-width: 640px){
  .grid{grid-template-columns:1fr}
  .columns{grid-template-columns:1fr}
  .topbar .inner{align-items:flex-start; flex-direction:column}
  .pills{justify-content:flex-start}
}