@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --ink: #14171a;
  --paper: #eef1ee;
  --panel: #ffffff;
  --go: #2f9e64;
  --wait: #c94f3d;
  --line: #d7dbd6;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'IBM Plex Mono', monospace;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  padding: 48px 20px;
}

.wrap {
  width: 100%;
  max-width: 420px;
}

.head h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  margin: 0 0 4px;
  letter-spacing: -0.02em;
}

.sub {
  margin: 0 0 32px;
  color: #5b625d;
  font-size: 0.9rem;
}

.game-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 24px;
  margin-bottom: 20px;
}

.pad {
  width: 100%;
  padding: 56px 0;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  background: var(--ink);
  color: var(--paper);
  transition: background 120ms ease;
}

.pad[data-state="waiting"] { background: var(--wait); color: #fff; }
.pad[data-state="go"] { background: var(--go); color: #fff; }

.readout {
  text-align: center;
  margin: 16px 0 0;
  font-size: 0.95rem;
  min-height: 1.2em;
}

.submit-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 16px;
  margin-bottom: 32px;
}

#score-form {
  display: flex;
  gap: 8px;
}

#name {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 3px;
  font-family: inherit;
  font-size: 0.9rem;
}

#score-form button {
  padding: 10px 16px;
  border: none;
  border-radius: 3px;
  background: var(--ink);
  color: var(--paper);
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
}

.submit-msg {
  margin: 8px 0 0;
  font-size: 0.85rem;
  color: #5b625d;
}

.board h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  text-transform: none;
  margin: 0 0 12px;
}

#leaderboard-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: rank;
}

#leaderboard-list li {
  counter-increment: rank;
  display: flex;
  justify-content: space-between;
  padding: 10px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
}

#leaderboard-list li::before {
  content: counter(rank) ".";
  color: #8a908b;
  margin-right: 10px;
}

.lb-empty { color: #8a908b; }
.lb-empty::before { content: none; }