:root {
  color-scheme: dark;
  --bg: #07120e;
  --panel: #102018;
  --panel-2: #15291f;
  --fairway: #71d86d;
  --green: #a4f07f;
  --sand: #f0c56d;
  --water: #2b8bd8;
  --ink: #f4f7ef;
  --muted: #adc1ad;
  --line: rgba(255,255,255,.14);
  --accent: #f7de72;
  --rose: #ff8a78;
}

* { box-sizing: border-box; }

html,
body { min-height: 100%; }

body {
  margin: 0;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 16% 12%, rgba(247, 222, 114, .16), transparent 24%),
    radial-gradient(circle at 84% 20%, rgba(113, 216, 109, .18), transparent 26%),
    linear-gradient(145deg, #06100c, #0e1d16 48%, #06120f);
}

button,
input,
textarea { font: inherit; }

button {
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 900;
}

button:disabled {
  cursor: not-allowed;
  opacity: .45;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  color: var(--ink);
  background: rgba(0,0,0,.22);
}

textarea {
  resize: vertical;
}

.shell {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
  padding: 18px 0 36px;
}

.topbar,
.hero,
.status-strip,
.game-layout {
  display: grid;
  gap: 16px;
}

.topbar {
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 8px 0 16px;
}

.brand {
  color: var(--ink);
  font-weight: 900;
  text-decoration: none;
}

.prototype-pill {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: .82rem;
}

.hero {
  grid-template-columns: minmax(0, 1fr) 320px;
  align-items: end;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(16,32,24,.9), rgba(10,21,17,.78));
  box-shadow: 0 24px 70px rgba(0,0,0,.32);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: .76rem;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 10px;
  font-size: 4.4rem;
  line-height: .94;
  letter-spacing: 0;
}

.lede {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.55;
}

.hero-actions {
  display: grid;
  gap: 10px;
}

.primary {
  color: #122014;
  background: linear-gradient(135deg, #a8f078, #f7de72);
  box-shadow: 0 12px 26px rgba(168,240,120,.18);
}

.secondary {
  color: var(--ink);
  background: rgba(255,255,255,.08);
  border: 1px solid var(--line);
}

.status-strip {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 16px 0;
}

.status-strip div,
.panel,
.course-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16,32,24,.84);
}

.status-strip div {
  padding: 12px;
}

.status-strip span {
  display: block;
  color: var(--muted);
  font-size: .75rem;
  font-weight: 900;
  text-transform: uppercase;
}

.status-strip strong {
  display: block;
  margin-top: 6px;
}

.game-layout {
  grid-template-columns: minmax(320px, 540px) minmax(300px, 1fr);
  align-items: start;
}

.course-card {
  position: relative;
  padding: 16px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,0)),
    rgba(16,32,24,.84);
  box-shadow:
    0 22px 60px rgba(0,0,0,.32),
    inset 0 1px 0 rgba(255,255,255,.08);
}

.how-to-play {
  margin-bottom: 12px;
  padding: 14px;
  border: 1px solid rgba(247,222,114,.28);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(247,222,114,.12), rgba(113,216,109,.08));
}

.how-to-play ol {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.4;
}

.how-to-play strong {
  color: var(--ink);
}

.course-topline {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: .86rem;
  font-weight: 900;
}

.course-topline span:first-child {
  color: var(--accent);
}

canvas {
  display: block;
  width: 100%;
  max-height: min(72vh, 720px);
  aspect-ratio: 2 / 3;
  border: 10px solid #eef5ee;
  border-radius: 12px;
  background: #b9c6c6;
  box-shadow:
    0 16px 30px rgba(0,0,0,.28),
    inset 0 0 0 1px rgba(0,0,0,.12);
  touch-action: none;
}

.shot-meter {
  position: relative;
  height: 14px;
  margin-top: 18px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(0,0,0,.28);
  box-shadow: inset 0 1px 4px rgba(0,0,0,.35);
}

.shot-meter-label {
  position: absolute;
  inset: -26px auto auto 0;
  color: var(--muted);
  font-size: .74rem;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.shot-meter #powerFill {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #a8f078, #f7de72, #ff8a78);
  box-shadow: 0 0 18px rgba(247,222,114,.28);
}

.hint,
.small {
  color: var(--muted);
  line-height: 1.45;
}

.panel {
  display: grid;
  gap: 18px;
  padding: 18px;
}

.players,
.scorecard {
  display: grid;
  gap: 8px;
}

.player-card,
.score-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,.06);
}

.player-card.is-active {
  border-color: var(--accent);
}

.score-row.is-hidden {
  color: var(--muted);
}

.row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.row button {
  flex: 1 1 130px;
}

.results {
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.results h2 {
  margin: 0 0 8px;
}

@media (max-width: 860px) {
  .hero,
  .game-layout,
  .status-strip {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 3rem;
  }
}