:root {
  --tg-bg: var(--tg-theme-bg-color, #ffffff);
  --tg-text: var(--tg-theme-text-color, #0a0a0a);
  --tg-hint: var(--tg-theme-hint-color, #6b7280);
  --tg-link: var(--tg-theme-link-color, #2563eb);
  --tg-button: var(--tg-theme-button-color, #2b6cb0);
  --tg-button-text: var(--tg-theme-button-text-color, #ffffff);
  --tg-secondary-bg: var(--tg-theme-secondary-bg-color, #f2f2f7);
}

* { box-sizing: border-box; }
html, body, #root { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--tg-bg);
  color: var(--tg-text);
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: env(safe-area-inset-top) 16px calc(env(safe-area-inset-bottom) + 64px) 16px;
}

.header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0 8px;
}

.title {
  font-size: 18px;
  font-weight: 700;
  margin: 0;
}

.card {
  background: var(--tg-secondary-bg);
  border-radius: 12px;
  padding: 16px;
  margin: 12px 0;
}

.row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.col { display: flex; flex-direction: column; gap: 8px; }

label { font-size: 14px; color: var(--tg-hint); }
select, input[type="number"], input[type="range"], button {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  border-radius: 10px;
  border: 1px solid #e5e7eb;
  background: #fff;
  color: #111827;
}

input[type="checkbox"] { width: auto; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 8px 12px;
  border-radius: 24px;
  border: 1px solid #e5e7eb;
  font-size: 14px;
  background: #fff;
}
.chip.active { background: var(--tg-link); color: #fff; border-color: var(--tg-link); }

.model-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  overflow: hidden;
}
.model-body { padding: 12px; }
.model-title { margin: 0; font-weight: 700; font-size: 16px; }
.model-sub { margin: 6px 0 0; color: var(--tg-hint); font-size: 14px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 14px;
  border-radius: 12px;
  border: none;
  background: var(--tg-button);
  color: var(--tg-button-text);
}
.btn.secondary { background: var(--tg-secondary-bg); color: var(--tg-text); border: 1px solid #e5e7eb; }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 420px) { .grid { grid-template-columns: 1fr; } }

.spacer { height: 64px; }