:root {
  --bg-deep: #0b0d18;
  --bg-veil: #141a2f;
  --gold: #d6b36a;
  --gold-soft: #b18a47;
  --ink: #0a0b12;
  --text: #efe8d8;
  --accent: #3f6aa3;
  --shadow: rgba(7, 7, 14, 0.65);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Spectral", serif;
  color: var(--text);
  background: radial-gradient(circle at top, #182142, var(--bg-deep) 55%);
}

main {
  min-height: 100vh;
  display: flex;
  align-items: stretch;
  justify-content: center;
}

.lobby {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
}

.lobby-panel {
  width: min(560px, 90vw);
  padding: 3rem 2.5rem;
  background: linear-gradient(145deg, rgba(23, 30, 58, 0.92), rgba(9, 12, 24, 0.95));
  border: 2px solid var(--gold);
  box-shadow: 0 18px 45px var(--shadow);
  position: relative;
  text-align: left;
}

.lobby-panel::before,
.lobby-panel::after {
  content: "";
  position: absolute;
  width: 28px;
  height: 28px;
  border: 2px solid var(--gold);
}

.lobby-panel::before {
  top: -10px;
  left: -10px;
  border-right: none;
  border-bottom: none;
}

.lobby-panel::after {
  bottom: -10px;
  right: -10px;
  border-left: none;
  border-top: none;
}

.lobby-kicker {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  margin: 0 0 0.5rem;
  color: var(--gold-soft);
}

.lobby-panel h1 {
  font-family: "Cinzel Decorative", serif;
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0 0 1rem;
}

.lobby-copy {
  margin: 0 0 1.5rem;
  line-height: 1.5;
  font-size: 1rem;
  color: rgba(239, 232, 216, 0.85);
}

.lobby-list {
  display: grid;
  gap: 0.6rem;
  margin-bottom: 2rem;
  font-size: 0.95rem;
  color: rgba(239, 232, 216, 0.8);
}

.lobby-high-score {
  margin-bottom: 1.4rem;
  font-size: 1.05rem;
  color: rgba(239, 232, 216, 0.9);
}

.lobby-actions {
  display: grid;
  gap: 0.9rem;
}

.lobby-online {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
}

.lobby-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.8rem;
  font-family: "Cinzel Decorative", serif;
  font-size: 1rem;
  color: var(--ink);
  background: linear-gradient(135deg, var(--gold), #f2dc9c);
  border: none;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(212, 178, 102, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.lobby-button-alt {
  background: linear-gradient(135deg, #c9a35c, #f5e0b2);
}

.lobby-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(212, 178, 102, 0.5);
}

.lobby-select {
  padding: 0.55rem 1rem;
  font-family: "Spectral", serif;
  font-size: 0.95rem;
  color: var(--text);
  background: rgba(15, 19, 34, 0.9);
  border: 1px solid rgba(214, 179, 106, 0.6);
  box-shadow: inset 0 0 0 1px rgba(7, 7, 14, 0.4);
}

.lobby-select:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.lobby-footnote {
  margin-top: 1.6rem;
  font-size: 0.85rem;
  color: rgba(239, 232, 216, 0.65);
}

.game-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  height: 100vh;
  max-width: 100vw;
  max-height: 100vh;
  overflow: hidden;
}

.hidden {
  display: none;
}

#gameCanvas {
  width: min(1200px, 96vw);
  height: min(760px, 92vh);
  max-width: 100%;
  max-height: 100%;
  display: block;
}

@media (max-width: 720px) {
  .lobby-panel {
    padding: 2rem 1.5rem;
  }

  .game-wrapper {
    padding: 1rem;
  }
}