:root {
  --felt: #0f5132;
  --felt-dark: #0a3a24;
  --gold: #e3b341;
  --text: #f4f4f0;
  --muted: #b9c7bd;
  --panel: #13261c;
  --red: #c0392b;
  --blue: #2e6fd8;
  --green: #27ae60;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  background: var(--felt-dark);
  color: var(--text);
}
button { font: inherit; cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .5; }

.topbar {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 12px 16px; background: #071f14; border-bottom: 2px solid var(--gold);
}
.topbar h1 { margin: 0; font-size: 1.4rem; color: var(--gold); display: flex; align-items: center; gap: 8px; }
.logo { width: 32px; height: 32px; }
.balance { margin-left: auto; }
.balance strong { color: var(--gold); font-size: 1.2rem; }

.toggle { display: flex; align-items: center; gap: 8px; cursor: pointer; user-select: none; }
.toggle input { position: absolute; opacity: 0; }
.slider {
  width: 44px; height: 24px; border-radius: 12px; background: #555; position: relative; transition: background .2s;
}
.slider::after {
  content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px;
  border-radius: 50%; background: #fff; transition: transform .2s;
}
.toggle input:checked + .slider { background: var(--green); }
.toggle input:checked + .slider::after { transform: translateX(20px); }
.toggle input:focus-visible + .slider { outline: 2px solid var(--gold); outline-offset: 2px; }

.layout { display: flex; gap: 16px; padding: 16px; align-items: flex-start; flex-wrap: wrap; }
.table {
  flex: 1 1 520px; min-width: 0; background: radial-gradient(ellipse at center, #177245, var(--felt));
  border: 6px solid #5b3a1a; border-radius: 24px; padding: 20px;
}
.hands { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hand { background: rgba(0,0,0,.18); border-radius: 12px; padding: 12px; min-height: 170px; }
.hand h2 { margin: 0 0 10px; font-size: 1.1rem; display: flex; justify-content: space-between; }
#playerHand h2 { color: #8fb6ff; }
#bankerHand h2 { color: #ff9b8f; }
.hand.winner { box-shadow: 0 0 0 3px var(--gold); }
.total { color: var(--text); font-size: 1.4rem; }
.cards { display: flex; gap: 8px; flex-wrap: wrap; }
.card {
  width: 58px; height: 84px; background: #fff; color: #111; border-radius: 6px;
  display: flex; flex-direction: column; justify-content: space-between; padding: 4px 6px;
  font-weight: 700; box-shadow: 0 2px 6px rgba(0,0,0,.4); animation: deal .3s ease-out;
}
.card.red { color: var(--red); }
.card.third { transform: rotate(90deg); margin: 0 12px; }
.card .big { font-size: 1.6rem; text-align: center; }
.card .val { font-size: .7rem; color: #666; text-align: right; }
@keyframes deal { from { opacity: 0; transform: translateY(-20px); } }

.message { text-align: center; margin: 16px 0; font-size: 1.1rem; min-height: 1.5em; }

.bets { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.bet {
  padding: 14px 8px; border-radius: 10px; border: 2px solid rgba(255,255,255,.3);
  background: rgba(0,0,0,.2); color: var(--text); font-weight: 700; display: flex; flex-direction: column; gap: 2px;
}
.bet small { font-weight: 400; color: var(--muted); }
.bet[data-side="player"].selected { border-color: var(--blue); background: rgba(46,111,216,.35); }
.bet[data-side="banker"].selected { border-color: var(--red); background: rgba(192,57,43,.35); }
.bet[data-side="tie"].selected { border-color: var(--green); background: rgba(39,174,96,.35); }

.controls { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 16px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  width: 48px; height: 48px; border-radius: 50%; border: 3px dashed #fff; background: #8e44ad; color: #fff; font-weight: 700;
}
.chip[data-amount="10"] { background: #2980b9; }
.chip[data-amount="50"] { background: #c0392b; }
.chip[data-amount="100"] { background: #111; }
.chip[data-amount="500"] { background: #8e44ad; }
.bet-amount strong { color: var(--gold); }
.primary {
  margin-left: auto; padding: 10px 28px; border-radius: 8px; border: 0; background: var(--gold); color: #222; font-weight: 700;
}
.ghost { padding: 8px 12px; border-radius: 8px; border: 1px solid rgba(255,255,255,.4); background: transparent; color: var(--text); }

.road h3 { margin: 18px 0 6px; font-size: .9rem; color: var(--muted); }
.road-beads { display: flex; flex-wrap: wrap; gap: 4px; }
.bead {
  width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: .7rem; font-weight: 700; color: #fff;
}
.bead.player { background: var(--blue); }
.bead.banker { background: var(--red); }
.bead.tie { background: var(--green); }

.tutor {
  flex: 1 1 340px; max-width: 460px; background: var(--panel); border: 1px solid #2c4a39; border-radius: 16px; padding: 16px;
}
.tutor h2 { margin: 0 0 10px; color: var(--gold); font-size: 1.15rem; }
.tutor-block { margin-bottom: 14px; }
.tutor-block h3 { margin: 0 0 6px; font-size: .95rem; color: #9fe0b8; }
.tutor-block summary { cursor: pointer; font-weight: 700; color: #9fe0b8; }
.tutor p, .tutor li { line-height: 1.55; white-space: pre-line; }
.muted { color: var(--muted); font-size: .9rem; }
.tip { background: rgba(227,179,65,.1); border-left: 3px solid var(--gold); padding: 8px 12px; border-radius: 6px; }
.tutor-log { padding-left: 20px; margin: 0; }
.tutor-log li { margin-bottom: 8px; animation: deal .3s ease-out; }
.tutor-log li b { display: block; color: var(--text); }
.tutor-log li span { color: var(--muted); }

table { border-collapse: collapse; width: 100%; margin: 8px 0; font-size: .9rem; }
th, td { border: 1px solid #2c4a39; padding: 4px 6px; text-align: center; }
.good { color: #6fe39b; } .ok { color: #f1d27a; } .bad { color: #ff8a7a; }
.banker-table td.draw { color: #6fe39b; }
.banker-table td.stand { color: #6b7d72; }
.banker-table .hl { background: rgba(227,179,65,.4); outline: 2px solid var(--gold); }

@media (max-width: 600px) {
  .layout { padding: 8px; }
  .table { padding: 12px; border-width: 4px; }
  .card { width: 46px; height: 68px; }
  .card .big { font-size: 1.2rem; }
  .primary { margin-left: 0; width: 100%; }
  .tutor { max-width: none; }
}

/* ---------- 탭 ---------- */
.tabs { display: flex; gap: 4px; background: rgba(255,255,255,.06); padding: 3px; border-radius: 10px; }
.tab { border: 0; background: transparent; color: var(--muted); padding: 6px 14px; border-radius: 8px; }
.tab.active { background: var(--gold); color: #222; font-weight: 700; }

/* ---------- 시뮬레이션 ---------- */
.sim { display: grid; grid-template-columns: minmax(280px, 360px) 1fr; gap: 16px; padding: 16px; align-items: start; }
.sim-panel { background: var(--panel); border: 1px solid #2c4a39; border-radius: 16px; padding: 16px; min-width: 0; }
.sim-panel h2 { margin: 0 0 8px; color: var(--gold); font-size: 1.15rem; }
.sim-panel h3 { margin: 18px 0 8px; font-size: .95rem; color: #9fe0b8; }
.sim-form { display: grid; gap: 10px; }
.sim-form label { display: grid; gap: 4px; font-size: .9rem; color: var(--muted); }
.sim-form select, .sim-form input {
  font: inherit; padding: 8px; border-radius: 8px; border: 1px solid #2c4a39; background: #0b1a12; color: var(--text);
}
.sim-actions { display: flex; align-items: center; gap: 12px; margin-top: 6px; }
.sim-actions .primary { margin-left: 0; white-space: nowrap; }
.small { font-size: .8rem; }
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 8px; }
.stat { background: rgba(0,0,0,.25); border-radius: 10px; padding: 10px; }
.stat .label { font-size: .8rem; color: var(--muted); }
.stat .value { font-size: 1.2rem; font-weight: 700; margin-top: 2px; }
.stat .sub { font-size: .75rem; color: var(--muted); }
.pos { color: #6fe39b; } .neg { color: #ff8a7a; }
.chart svg { width: 100%; height: auto; display: block; background: rgba(0,0,0,.2); border-radius: 10px; }
.chart text { fill: var(--muted); font-size: 11px; }
.sim-explain { padding-left: 20px; margin: 0; }
.sim-explain li { margin-bottom: 8px; line-height: 1.55; }

@media (max-width: 800px) {
  .sim { grid-template-columns: 1fr; padding: 8px; }
  .topbar { gap: 10px; }
}