:root {
  --bg: #0f1d24;
  --panel: #1f2f36;
  --panel-2: #273b43;
  --text: #effcff;
  --accent: #6adfff;
}

* {
  box-sizing: border-box;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

html,
body {
  margin: 0;
  min-height: 100dvh;
  background: radial-gradient(circle at top, #21414c, var(--bg));
  color: var(--text);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
}

body {
  padding: max(0.55rem, env(safe-area-inset-top)) max(0.55rem, env(safe-area-inset-right)) max(0.55rem, env(safe-area-inset-bottom));
}

.shell {
  width: min(1280px, 99vw);
  margin: 0 auto;
}

.hud-top {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.55rem;
  background: var(--panel);
  border: 2px solid #385764;
  border-radius: 16px;
  padding: 0.7rem 1rem;
}

.game-wrap {
  margin-top: 0.75rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 0.8rem;
}

canvas {
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 2px solid #406470;
  background: #37584a;
  touch-action: none;
}

.side-panel {
  background: var(--panel);
  border: 2px solid #385764;
  border-radius: 16px;
  padding: 0.9rem;
}

h2,
h3 {
  margin: 0.2rem 0 0.5rem;
}

.table-card,
.controls-card {
  background: var(--panel-2);
  border-radius: 12px;
  padding: 0.65rem;
  margin: 0.65rem 0;
}

button,
.portal-link {
  background: radial-gradient(circle at 30% 20%, #67afc3, #2e6778);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 0.55rem 0.95rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

.buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.time-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(17, 33, 46, 0.7);
  border: 1px solid #4a6e7a;
  border-radius: 999px;
  padding: 0.4rem 0.7rem;
}

.time-label select {
  border-radius: 999px;
  background: #12303f;
  border: 1px solid #4f859a;
  color: #e8f9ff;
  padding: 0.25rem 0.5rem;
}

.portal-link {
  margin-top: 0.75rem;
}

.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(4, 8, 10, 0.75);
}

.modal-content {
  width: min(560px, 90vw);
  background: #17323d;
  border: 2px solid #4f8ca4;
  border-radius: 12px;
  padding: 1rem;
}

.hidden {
  display: none;
}

@media (max-width: 1100px) {
  .hud-top {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .game-wrap {
    grid-template-columns: 1fr;
  }
}