:root {
  --bg: var(--tg-theme-bg-color, #ffffff);
  --text: var(--tg-theme-text-color, #16213a);
  --hint: var(--tg-theme-hint-color, #8a97b1);
  --card: var(--tg-theme-secondary-bg-color, #f3f5fb);
  --accent: var(--tg-theme-button-color, #2f6fed);
  --accent-text: var(--tg-theme-button-text-color, #ffffff);
  --border: rgba(120, 134, 168, 0.35);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 14px 14px 40px;
  font-family: -apple-system, "Helvetica Neue", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
}
header h1 { font-size: 18px; margin: 4px 0 2px; }
.sub { margin: 0 0 12px; color: var(--hint); font-size: 13px; }

.card {
  background: var(--card);
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 14px;
}

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
label { display: flex; flex-direction: column; font-size: 12px; color: var(--hint); gap: 4px; }
.hint { font-size: 10px; }
input {
  font-size: 15px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 10px;
  width: 100%;
}
input:focus { outline: 2px solid var(--accent); border-color: var(--accent); }

.cats { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin-top: 12px; }
.cats-label { color: var(--hint); font-size: 12px; }
.radio { flex-direction: row; align-items: center; gap: 6px; font-size: 14px; color: var(--text); }
.radio input { width: auto; }

.items-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.items-head h2 { font-size: 15px; margin: 0; }
.count { color: var(--hint); font-size: 12px; font-weight: 400; }

.item {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  margin-bottom: 10px;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.item-top { display: flex; align-items: center; justify-content: space-between; }
.item-no { font-weight: 700; color: var(--accent); font-size: 13px; }
.item-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.remove {
  border: none; background: transparent; color: #c0392b;
  font-size: 16px; cursor: pointer; padding: 2px 6px;
}

.btn-primary {
  width: 100%; border: none; border-radius: 10px;
  background: var(--accent); color: var(--accent-text);
  font-size: 16px; font-weight: 600; padding: 14px; cursor: pointer;
}
.btn-primary:disabled { opacity: .5; }
.btn-secondary {
  border: 1px solid var(--accent); color: var(--accent);
  background: transparent; border-radius: 8px; padding: 6px 10px;
  font-size: 13px; cursor: pointer;
}
.error { color: #c0392b; font-size: 13px; margin: 4px 2px 12px; }