:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel2: #1c2230;
  --line: #2a3140;
  --text: #e6edf3;
  --muted: #8b949e;
  --heads: #4493f8;
  --tails: #f78166;
  --good: #3fb950;
  --warn: #d29922;
  --err: #f85149;
  --primary: #238636;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; background: var(--panel); border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; font-size: 18px; }
.tag { font-size: 11px; color: var(--muted); border: 1px solid var(--line);
  padding: 2px 6px; border-radius: 10px; margin-left: 6px; text-transform: uppercase; letter-spacing: .04em; }
.who { color: var(--muted); }
.who strong { color: var(--good); font-size: 18px; }

.wrap { max-width: 820px; margin: 0 auto; padding: 20px; }

.banner {
  text-align: center; padding: 12px; border-radius: 10px; font-weight: 600;
  margin-bottom: 14px; border: 1px solid var(--line);
}
.banner.open { background: rgba(63,185,80,.12); color: var(--good); border-color: rgba(63,185,80,.4); }
.banner.closed { background: rgba(210,153,34,.10); color: var(--warn); border-color: rgba(210,153,34,.35); }

.result {
  text-align: center; padding: 14px; border-radius: 10px; margin-bottom: 14px;
  background: var(--panel2); border: 1px solid var(--line); font-size: 18px; font-weight: 600;
}
.hidden { display: none !important; }

.board { display: grid; grid-template-columns: 1fr auto 1fr; gap: 10px; align-items: stretch; }
.side {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 18px; text-align: center;
}
.side.heads { border-top: 3px solid var(--heads); }
.side.tails { border-top: 3px solid var(--tails); }
.side h2 { margin: 0 0 8px; letter-spacing: .08em; font-size: 15px; color: var(--muted); }
.odds { font-size: 40px; font-weight: 800; line-height: 1; }
.side.heads .odds { color: var(--heads); }
.side.tails .odds { color: var(--tails); }
.odds-dec { color: var(--muted); font-size: 13px; margin-top: 4px; font-variant-numeric: tabular-nums; }
.prob { color: var(--muted); margin-top: 8px; font-size: 13px; }
.pool { margin-top: 4px; font-size: 13px; }
.vs { align-self: center; color: var(--muted); font-weight: 700; }

.totals { display: flex; justify-content: space-between; color: var(--muted);
  margin: 12px 2px 18px; font-size: 14px; }
.totals strong { color: var(--text); }

.betbox { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.pick { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 12px; }
.pick-btn {
  padding: 14px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--panel2); color: var(--text); font-size: 16px; font-weight: 600; cursor: pointer;
}
.pick-btn.selected { border-color: var(--good); background: rgba(63,185,80,.15); color: var(--good); }
.stake { display: flex; align-items: center; gap: 8px; }
.stake .dollar { color: var(--muted); font-size: 18px; }
.stake input {
  flex: 1; padding: 12px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--bg); color: var(--text); font-size: 16px;
}

.btn {
  padding: 12px 16px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--panel2); color: var(--text); font-size: 15px; font-weight: 600; cursor: pointer;
}
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: var(--primary); border-color: var(--primary); }
.btn.good { background: rgba(63,185,80,.15); border-color: rgba(63,185,80,.4); color: var(--good); }
.btn.warn { background: rgba(248,81,73,.12); border-color: rgba(248,81,73,.4); color: var(--err); }
.btn.ghost { background: transparent; }

.message { margin-top: 12px; min-height: 20px; font-size: 14px; }
.message.ok { color: var(--good); }
.message.err { color: var(--err); }
.message.warn { color: var(--warn); }

.fine { color: var(--muted); font-size: 12px; margin-top: 12px; }
.fine em { color: var(--text); font-style: normal; font-weight: 600; }

/* Overlay (name entry / admin login) */
.overlay {
  position: fixed; inset: 0; background: rgba(2,5,10,.85);
  display: flex; align-items: center; justify-content: center; z-index: 50; padding: 20px;
}
.overlay-card {
  width: 100%; max-width: 380px; background: var(--panel); border: 1px solid var(--line);
  border-radius: 14px; padding: 26px; text-align: center;
}
.overlay-card h1 { margin: 0 0 4px; }
.overlay-card .sub { color: var(--muted); margin: 0 0 18px; font-size: 14px; }
.overlay-card label { display: block; text-align: left; color: var(--muted); font-size: 13px; margin-bottom: 6px; }
.overlay-card input {
  width: 100%; padding: 12px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--bg); color: var(--text); font-size: 16px; margin-bottom: 12px;
}
.overlay-card .btn { width: 100%; }
.overlay-card code { background: var(--panel2); padding: 1px 5px; border-radius: 4px; }

/* Admin */
.admin .cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; margin-bottom: 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
.card .k { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }
.card .v { font-size: 24px; font-weight: 800; margin-top: 4px; }
.card .sub { color: var(--muted); font-size: 12px; margin-top: 2px; }

.controls { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-top: 16px; }
.takeout-row { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.takeout-row label { color: var(--muted); }
.takeout-row input { width: 110px; padding: 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--text); }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; }

.feed { margin-top: 16px; }
.feed h3 { color: var(--muted); font-size: 14px; text-transform: uppercase; letter-spacing: .05em; }
#wager-feed { list-style: none; padding: 0; margin: 0; max-height: 320px; overflow-y: auto; }
#wager-feed li { display: grid; grid-template-columns: 1fr auto auto; gap: 10px; align-items: center;
  padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; margin-bottom: 6px; background: var(--panel); }
.feed-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.feed-side { font-size: 12px; padding: 2px 8px; border-radius: 10px; }
.feed-side.h { background: rgba(68,147,248,.15); color: var(--heads); }
.feed-side.t { background: rgba(247,129,102,.15); color: var(--tails); }
.feed-amt { color: var(--good); font-variant-numeric: tabular-nums; }
.feed-side { background: var(--panel2); color: var(--muted); }

/* Dynamic option list (player + admin board) */
.optlist { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; max-height: 60vh; overflow-y: auto; }
.opt-row {
  display: flex; align-items: center; gap: 12px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 14px; cursor: pointer; transition: border-color .12s, background .12s;
}
.opt-row:hover { border-color: #3b475c; }
.opt-row.selected { border-color: var(--good); background: rgba(63,185,80,.10); }
.opt-row.won { border-color: var(--good); background: rgba(63,185,80,.16); }
.opt-row.admin { cursor: default; }
.opt-main { flex: 1; min-width: 0; }
.opt-label { font-weight: 700; font-size: 16px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.opt-sub { color: var(--muted); font-size: 12px; margin-top: 3px; font-variant-numeric: tabular-nums; }
.opt-odds { text-align: right; min-width: 72px; }
.opt-amer { font-size: 22px; font-weight: 800; line-height: 1; }
.opt-dec { font-size: 12px; color: var(--muted); margin-top: 2px; font-variant-numeric: tabular-nums; }
.declare-btn { flex: 0 0 auto; padding: 8px 12px; font-size: 13px; }

.selected-label { color: var(--muted); margin-bottom: 10px; font-size: 14px; }

/* Admin "next round" setup */
.controls h3 { margin: 0 0 12px; color: var(--muted); font-size: 14px; text-transform: uppercase; letter-spacing: .05em; }
.setup-grid { display: grid; grid-template-columns: 1fr 200px; gap: 16px; margin-bottom: 12px; }
.setup-col { display: flex; flex-direction: column; }
.setup-col label { color: var(--muted); font-size: 13px; margin: 6px 0 4px; }
.setup-col textarea, .setup-col input {
  width: 100%; padding: 10px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--bg); color: var(--text); font-size: 15px; font-family: inherit; resize: vertical;
}
.setup-col.narrow .btn { margin-top: 12px; }
@media (max-width: 640px) { .setup-grid { grid-template-columns: 1fr; } }