:root {
  color-scheme: light dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--tg-theme-bg-color, #ffffff);
  color: var(--tg-theme-text-color, #111111);
}

.tabs {
  display: flex;
  gap: 8px;
  padding: 12px;
  position: sticky;
  top: 0;
  background: var(--tg-theme-bg-color, #ffffff);
  z-index: 1;
  overflow-x: auto;
}

.tab {
  flex: 0 0 auto;
  padding: 10px 14px;
  border: none;
  border-radius: 10px;
  background: var(--tg-theme-secondary-bg-color, #f0f0f0);
  color: inherit;
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
}

.tab.active {
  background: var(--tg-theme-button-color, #2481cc);
  color: var(--tg-theme-button-text-color, #ffffff);
}

.items {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 0 12px 24px;
}

.card {
  border-radius: 14px;
  overflow: hidden;
  background: var(--tg-theme-secondary-bg-color, #f7f7f7);
}

.card-img {
  width: 100%;
  max-height: 220px;
  object-fit: cover;
  display: block;
}

.card-body {
  padding: 12px;
}

.card-title {
  font-weight: 600;
  margin-bottom: 4px;
}

.card-note {
  font-size: 14px;
  opacity: 0.8;
  margin-bottom: 8px;
}

.card-link {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--tg-theme-link-color, #2481cc);
}

.btn {
  width: 100%;
  padding: 10px;
  border: none;
  border-radius: 10px;
  background: var(--tg-theme-button-color, #2481cc);
  color: var(--tg-theme-button-text-color, #ffffff);
  font-weight: 600;
}

.btn-reserved {
  background: #888888;
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--tg-theme-hint-color, #999999);
  color: var(--tg-theme-hint-color, #999999);
  margin-top: 8px;
}

.btn-danger {
  background: transparent;
  border: 1px solid #e0524d;
  color: #e0524d;
  margin-top: 8px;
}

.badge {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
}

.badge-given {
  background: rgba(76, 175, 80, 0.15);
  color: #4caf50;
}

.empty,
.loading,
.error {
  text-align: center;
  opacity: 0.6;
  padding: 24px;
}