:root {
  --bg: var(--tg-theme-bg-color, #0f1419);
  --text: var(--tg-theme-text-color, #e7ecf1);
  --hint: var(--tg-theme-hint-color, #8b98a5);
  --accent: var(--tg-theme-button-color, #2ea6ff);
  --accent-text: var(--tg-theme-button-text-color, #fff);
  --card-bg: var(--tg-theme-secondary-bg-color, #192734);
}

* { box-sizing: border-box; }

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

header {
  padding: 20px 16px 8px;
}

header h1 {
  margin: 0 0 4px;
  font-size: 1.4rem;
}

#subtitle {
  margin: 0;
  color: var(--hint);
  font-size: 0.9rem;
}

main {
  padding: 8px 16px 24px;
  display: grid;
  gap: 12px;
}

.card {
  background: var(--card-bg);
  border-radius: 14px;
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.card-info h3 {
  margin: 0 0 4px;
  font-size: 1rem;
}

.card-info p {
  margin: 0;
  color: var(--hint);
  font-size: 0.85rem;
}

.card-actions {
  text-align: right;
}

.price {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 8px;
}

button {
  border: none;
  border-radius: 10px;
  padding: 10px 14px;
  background: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
  cursor: pointer;
}

button.secondary {
  background: transparent;
  border: 1px solid var(--hint);
  color: var(--text);
  width: 100%;
  margin-top: 12px;
}

button:disabled {
  opacity: 0.5;
}

.hidden { display: none !important; }

.error {
  color: #ff6b6b;
  padding: 0 16px 16px;
}

#order-panel {
  padding: 16px;
}

#order-details {
  background: var(--card-bg);
  border-radius: 14px;
  padding: 16px;
  line-height: 1.5;
}

.empty {
  text-align: center;
  color: var(--hint);
  padding: 40px 16px;
}