:root {
  --app-bg-color: #101218;
  --app-bg-image: radial-gradient(circle at top, #1f2530 0%, #101218 60%);

  --text-color: #f5f7fa;
  --muted-text-color: #9fa7b4;

  --button-bg: #2c3755;
  --button-border: #51618c;
  --button-text: #f7fbff;

  --seat-bg: rgba(28, 33, 46, 0.88);
  --seat-border: #5f6d8f;
  --seat-text: #ffffff;
  --seat-good: #4caf50;
  --seat-bad: #ff5252;
  --seat-neutral: #ffc857;

  --menu-bg: rgba(15, 21, 33, 0.95);
  --menu-border: #4a5a82;
  --menu-item-bg: #2a3652;
  --menu-item-active: #3f5689;
  --menu-item-text: #f1f5ff;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text-color);
  background: var(--app-bg-color);
  background-image: var(--app-bg-image);
  font-family: Inter, system-ui, -apple-system, sans-serif;
}

.app-shell { padding: 16px; max-width: 760px; margin: 0 auto; }
.top-bar { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
h1 { margin: 0; font-size: 1rem; }

.btn {
  border: 1px solid var(--button-border);
  background: var(--button-bg);
  color: var(--button-text);
  border-radius: 10px;
  padding: 10px 12px;
}

.board {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(3, minmax(88px, 1fr));
  gap: 10px;
}

.seat {
  background: var(--seat-bg);
  border: 1px solid var(--seat-border);
  border-radius: 12px;
  min-height: 88px;
  padding: 8px;
  color: var(--seat-text);
  touch-action: none;
}

.seat-num { font-size: 1.1rem; font-weight: 700; }
.stats { margin-top: 8px; font-size: 0.74rem; line-height: 1.4; color: var(--muted-text-color); }
.stats span.good { color: var(--seat-good); }
.stats span.bad { color: var(--seat-bad); }
.stats span.neutral { color: var(--seat-neutral); }

.menu {
  --menu-max-cols: 6;
  --menu-cell-size: 52px;
  --menu-cell-gap: 6px;

  position: static;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-evenly;
  align-content: flex-start;
  gap: var(--menu-cell-gap);
  background: var(--menu-bg);
  border: 1px solid var(--menu-border);
  border-radius: 14px;
  padding: 8px;
  backdrop-filter: blur(6px);
}

.menu-stack {
  position: fixed;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.menu-item {
  border: 1px solid var(--menu-border);
  background: var(--menu-item-bg);
  color: var(--menu-item-text);
  border-radius: 10px;
  width: var(--menu-cell-size);
  height: var(--menu-cell-size);
  min-width: 0;
  padding: 6px;
  text-align: center;
  font-size: 0.74rem;
  line-height: 1.15;
  display: grid;
  place-items: center;
  word-break: break-word;
}

.menu-item.active { background: var(--menu-item-active); }
.hidden { display: none; }

.toast {
  min-height: 1.2rem;
  margin: 12px 0 0;
  color: var(--muted-text-color);
  font-size: 0.9rem;
}

html, body {
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}