:root {
  --bg: #fff3c7;
  --panel: #fff1b8;
  --brown: #684222;
  --brown2: #3f2816;
  --orange: #d58a25;
  --green: #78b05c;
  --pink: #ff3f7f;
  --line: #8a6337;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: var(--brown2);
  background:
    radial-gradient(circle at 50% 0%, rgba(255,255,255,.9), transparent 35%),
    linear-gradient(180deg, #fff7d8, #f4d998);
  min-height: 100vh;
}

.topbar {
  height: 72px;
  background: rgba(255, 240, 180, .95);
  border-bottom: 4px solid rgba(104,66,34,.55);
  box-shadow: 0 4px 12px rgba(0,0,0,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 220px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--brown);
  text-decoration: none;
  font-size: 22px;
}

.topbar nav {
  display: flex;
  gap: 12px;
  align-items: center;
}

.topbar nav a {
  color: var(--brown2);
  text-decoration: none;
  font-weight: 800;
  padding: 10px 16px;
  border-radius: 999px;
}

.topbar nav a:hover {
  background: #d99a35;
  color: #fff6d0;
}

.hero {
  max-width: 980px;
  margin: 90px auto 40px;
  text-align: center;
  padding: 20px;
}

.hero h1 {
  font-size: 58px;
  margin: 0 0 16px;
  color: var(--brown);
}

.hero p {
  max-width: 720px;
  margin: 0 auto 28px;
  font-size: 20px;
  line-height: 1.5;
  color: #8b6a45;
}

.actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  border: 0;
  cursor: pointer;
  display: inline-block;
  text-decoration: none;
  color: #fff8cf;
  background: var(--orange);
  padding: 16px 28px;
  border-radius: 999px;
  font-weight: 900;
  box-shadow: inset 0 -4px rgba(0,0,0,.2), 0 8px 20px rgba(0,0,0,.18);
}

.btn.green {
  background: var(--green);
}

.btn.pink {
  background: var(--pink);
}

.card {
  width: min(92vw, 420px);
  margin: 140px auto;
  background: linear-gradient(180deg, #fff4bf, #f5d992);
  border: 4px solid var(--brown);
  border-radius: 16px;
  padding: 34px;
  box-shadow: 0 12px 0 rgba(61,38,17,.35), 0 24px 50px rgba(0,0,0,.2);
  text-align: center;
}

.card h1 {
  margin: 0 0 10px;
  color: var(--brown);
  font-size: 34px;
}

.card p {
  color: #9a7b55;
}

.form {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

input {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid #c4934b;
  border-radius: 12px;
  background: #fff9dc;
  font-weight: 700;
  outline: none;
}

.message {
  margin-top: 16px;
  font-weight: 800;
  color: #9c2f2f;
}

.ranking {
  max-width: 780px;
  margin: 70px auto;
  padding: 0 16px;
}

.ranking h1 {
  text-align: center;
  font-size: 44px;
  color: var(--brown);
}

.rank-item {
  display: grid;
  grid-template-columns: 64px 1fr 120px;
  gap: 16px;
  align-items: center;
  background: linear-gradient(180deg, #fff0b3, #f4d88d);
  border: 4px solid #9b7341;
  border-radius: 16px;
  padding: 14px 18px;
  margin: 14px 0;
  box-shadow: 0 6px 0 rgba(61,38,17,.35);
}

.rank-pos {
  font-size: 30px;
  font-weight: 900;
  color: var(--brown);
}

.rank-name {
  font-size: 18px;
  font-weight: 900;
}

.rank-sub {
  color: #9a7b55;
  margin-top: 4px;
  font-size: 13px;
}

.play-layout {
  height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: 1fr 340px;
  background: #0f172a;
}

.game-wrap {
  min-width: 0;
  display: flex;
  align-items: stretch;
  justify-content: center;
  background: #020617;
}

canvas {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

.side {
  background: #111827;
  color: #e5e7eb;
  border-left: 1px solid #334155;
  padding: 16px;
  overflow: auto;
}

.side h2 {
  margin-top: 0;
}

pre {
  background: #020617;
  border: 1px solid #334155;
  border-radius: 12px;
  padding: 12px;
  height: 420px;
  overflow: auto;
  white-space: pre-wrap;
  font-size: 12px;
}

@media (max-width: 900px) {
  .topbar {
    gap: 10px;
    justify-content: space-between;
    padding: 0 12px;
  }

  .topbar nav {
    gap: 4px;
  }

  .topbar nav a {
    padding: 8px;
    font-size: 13px;
  }

  .hero h1 {
    font-size: 38px;
  }

  .play-layout {
    grid-template-columns: 1fr;
    height: auto;
  }

  .game-wrap {
    height: 60vh;
  }
}

/* Fix do player WebAssembly */
.game-wrap {
  position: relative;
  overflow: hidden;
}

.game-wrap canvas {
  display: block;
  width: 100%;
  height: calc(100vh - 72px);
  object-fit: contain;
  background: #000;
}