:root {
  --bg: #0f3b2e;
  --panel: #145a43;
  --panel-soft: #1a6b50;
  --text: #f4f2e9;
  --muted: #c8d6c2;
  --accent: #f5cf74;
  --danger: #ff8f8f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: radial-gradient(circle at 20% 0%, #1c6a4f 0%, var(--bg) 55%, #0a2f24 100%);
  color: var(--text);
}

.app-shell {
  max-width: 720px;
  margin: 0 auto;
  min-height: 100vh;
  padding: 12px;
  display: grid;
  gap: 10px;
}

.status-card,
.card {
  border-radius: 12px;
  padding: 10px;
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-soft) 100%);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.status-card {
  font-size: 13px;
  color: var(--muted);
}

.title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.title-row h2 {
  margin: 0;
  font-size: 16px;
}

.tile-grid,
.tile-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tile {
  width: clamp(30px, 8vw, 42px);
  aspect-ratio: 0.72;
  border-radius: 7px;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.35);
  background: #efe6cf;
  color: #16322a;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.tile img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.tile .fallback {
  font-size: 11px;
  text-align: center;
  padding: 2px;
  line-height: 1.2;
}

.tile.clickable {
  outline: 2px solid transparent;
}

.tile.clickable:active,
.tile.clickable.selected {
  outline-color: var(--accent);
  transform: translateY(-1px);
}

.section-title {
  margin: 0 0 6px;
  font-size: 14px;
  color: #ffe6b0;
}

.seat-line {
  font-size: 13px;
  margin-bottom: 6px;
}

.kv-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 5px;
  font-size: 13px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

button {
  border: 0;
  border-radius: 8px;
  padding: 8px 12px;
  background: #f0c66f;
  color: #312400;
  font-weight: 700;
}

button.secondary {
  background: #d7e7da;
}

button.danger {
  background: #ffb2b2;
}

.columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.small {
  font-size: 12px;
  color: var(--muted);
}

.error {
  color: var(--danger);
}

@media (max-width: 560px) {
  .columns {
    grid-template-columns: 1fr;
  }
}