:root {
  color-scheme: light dark;
  --bg: var(--tg-theme-bg-color, #0f1115);
  --text: var(--tg-theme-text-color, #f2f4f8);
  --hint: var(--tg-theme-hint-color, #8b93a7);
  --btn: var(--tg-theme-button-color, #2aabee);
  --btn-text: var(--tg-theme-button-text-color, #fff);
  --card: color-mix(in srgb, var(--text) 8%, var(--bg));
  --border: color-mix(in srgb, var(--text) 14%, transparent);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
}
.wrap {
  max-width: 520px;
  margin: 0 auto;
  padding: 20px 16px calc(24px + env(safe-area-inset-bottom));
}
.head h1 {
  margin: 0 0 6px;
  font-size: 1.35rem;
  font-weight: 650;
}
.sub { margin: 0; color: var(--hint); font-size: 0.92rem; }

.preview {
  margin-top: 16px;
  position: sticky;
  top: 8px;
  z-index: 5;
  display: grid;
  justify-items: center;
  gap: 8px;
  padding: 10px 0 4px;
  background: linear-gradient(to bottom, var(--bg) 70%, transparent);
}
.preview-phone {
  width: min(42vw, 180px);
  aspect-ratio: 9 / 16;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
  background: #1a1d24;
}
.preview-stage {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.preview-photo {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 50% 28%, rgba(255, 220, 190, 0.55), transparent 60%),
    linear-gradient(165deg, #6b4f3a 0%, #2c2420 42%, #1a1614 100%);
  background-size: cover;
  background-position: center top;
  transform-origin: center center;
  will-change: transform;
}
.preview-dim {
  position: absolute;
  inset: 0;
  background: #000;
  pointer-events: none;
}
.preview-plates {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 7% 6%;
  pointer-events: none;
}
.preview-plates[data-align="top"] { justify-content: flex-start; padding-top: 10%; }
.preview-plates[data-align="center"] { justify-content: center; }
.preview-plates[data-align="bottom"] { justify-content: flex-end; padding-bottom: 12%; }

.plate {
  display: inline-block;
  max-width: 92%;
  margin: 0;
  padding: 0.28em 0.42em;
  border-radius: 0.22em;
  background: rgba(255, 255, 255, 0.7);
  color: #111;
  font-style: italic;
  font-weight: 500;
  line-height: 1.2;
  text-align: center;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.preview-caption {
  margin: 0;
  color: var(--hint);
  font-size: 0.78rem;
}

.card {
  margin-top: 14px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--card);
  display: grid;
  gap: 14px;
}
label {
  display: grid;
  gap: 8px;
  font-size: 0.92rem;
}
input[type="range"], select {
  width: 100%;
  accent-color: var(--btn);
}
select {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}
.btn {
  margin-top: 6px;
  border: 0;
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 1rem;
  font-weight: 600;
  background: var(--btn);
  color: var(--btn-text);
  cursor: pointer;
}
.btn:disabled { opacity: 0.6; cursor: default; }
.btn.saved {
  background: #1f8a4c;
}
.hint { margin: 0; color: var(--hint); font-size: 0.82rem; line-height: 1.35; }
.ok {
  margin: 0;
  padding: 10px 12px;
  border-radius: 12px;
  background: #143528;
  color: #b7f0cc;
  font-size: 0.92rem;
  font-weight: 600;
}
.err {
  margin-top: 14px;
  padding: 12px;
  border-radius: 12px;
  background: #5c1a1a;
  color: #ffd0d0;
  font-size: 0.9rem;
}
.hidden { display: none !important; }