* { box-sizing: border-box; }
body, html {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: 'Alice', serif;
  background: #f0f2f5;
  display: flex;
  justify-content: center;
  align-items: center;
}
.container {
  background: white;
  border-radius: 14px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  padding: 20px 24px;
  width: 100%;
  max-width: 900px; /* compact for 1080p */
}
h1 {
  margin: 0 0 8px 0;
  font-weight: 700;
  font-size: 1.6rem;
  color: #1d2433;
}
.subtitle {
  margin: 0 0 16px 0;
  color: #5b667a;
  font-size: 14px;
}
.content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr; /* tighter */
  gap: 18px;
  align-items: start;
}
input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  font-size: 15px;
  border-radius: 8px;
  border: 1.5px solid #ccc;
  margin-bottom: 14px;
  transition: border-color 0.3s ease;
}
input[type="text"]:focus {
  outline: none;
  border-color: #3f51b5;
}
.templates-title { font-weight: 700; margin-bottom: 8px; color: #2a3344; }
.template-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 8px;
}
.template-card {
  position: relative;
  border: 1px solid #e3e6ec;
  border-radius: 10px;
  overflow: hidden;
  background: #fafbff;
  transition: box-shadow 0.25s ease, transform 0.12s ease, border-color 0.25s ease;
  cursor: pointer;
}
.template-card:hover { box-shadow: 0 10px 24px rgba(0,0,0,0.08); transform: translateY(-1px); }
.template-card.selected { border-color: #3f51b5; box-shadow: 0 0 0 3px rgba(63,81,181,0.15); }
.template-card .thumb { width: 100%; aspect-ratio: 16/10; object-fit: cover; display: block; background: #e9edf5; }
.template-card .meta { display: flex; align-items: center; justify-content: space-between; padding: 8px 10px; }
.template-card .name { font-size: 14px; color: #2a3344; font-weight: 600; }
.template-card .radio { width: 18px; height: 18px; }
.template-card input[type="radio"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }

.field-label { font-size: 13px; color: #4a5363; margin: 6px 0 6px; font-weight: 600; }
.extra-names {
  display: none;
  flex-direction: column;
}
.hidden { display: none; }
.actions { margin-top: 6px; }
button {
  padding: 12px 0;
  width: 100%;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, #4a90e2 0%, #357ABD 100%);
  color: white;
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.3s ease;
}
button:hover:not(:disabled) { background: linear-gradient(135deg, #3a78d1 0%, #2c5ea5 100%); }
button:disabled { background: #999; cursor: not-allowed; }
#loadingOverlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.9);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}
.spinner {
  border: 6px solid #ececec;
  border-top: 6px solid #4a90e2;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
/* corner-stats removed */
/* Preview card */
.preview-card {
  border: 1px solid #e3e6ec;
  border-radius: 10px;
  overflow: hidden;
  background: #fafbff;
  margin-bottom: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
}
.preview-header {
  padding: 10px 12px;
  font-weight: 600;
  color: #2a3344;
  border-bottom: 1px solid #e9edf5;
  background: #ffffff;
}
.preview-body { padding: 8px; background: #f5f7fb; }
.preview-img {
  max-width: 100%;
  width: auto;
  height: auto;
  display: block;
  border-radius: 8px;
  background: #e9edf5;
}
@media (max-width: 900px) {
  .content { grid-template-columns: 1fr; }
  .container { max-width: 100%; padding: 14px; border-radius: 12px; }
  h1 { font-size: 1.35rem; }
  .subtitle { font-size: 13px; margin-bottom: 10px; }
  .template-grid { grid-template-columns: 1fr; gap: 10px; }
  .preview-body { padding: 6px; }
  .preview-img { width: 100%; height: auto; }
  input[type="text"] { font-size: 16px; padding: 12px 14px; }
  select { font-size: 16px; }
  #fontSizeRange { height: 34px; }
  button { font-size: 16px; padding: 14px 0; }
  /* New mobile stepper */
  .mobile-stepper { display: flex; gap: 8px; margin: 6px 0 12px; }
  .mobile-stepper .step {
    flex: 1; display: flex; align-items: center; justify-content: center;
    gap: 8px; padding: 10px 8px; border-radius: 10px; border: 1px solid #d6d9e0; background: #fff; color: #2a3344;
  }
  .mobile-stepper .step .dot { width: 8px; height: 8px; border-radius: 50%; background: #c8cede; }
  .mobile-stepper .step.active { background: #eaf0ff; border-color: #b6c4ff; color: #2b3ea3; font-weight: 700; }
  .mobile-stepper .step.active .dot { background: #2b3ea3; }
  .pane-hidden { display: none !important; }

  /* Sticky mobile actions */
  .mobile-actions { position: sticky; bottom: 8px; display: flex; gap: 8px; margin-top: 10px; z-index: 20; }
  .mobile-actions .ghost { flex: 1; padding: 12px 0; border-radius: 10px; border: 1px solid #cfd3df; background: #fff; color: #2a3344; }
  .mobile-actions .primary { flex: 2; padding: 12px 0; border-radius: 10px; border: none; background: linear-gradient(135deg, #4a90e2 0%, #357ABD 100%); color: #fff; font-weight: 700; }

  /* Fullscreen preview mode for mobile: image covers the viewport */
  body.mobile-cover, html.mobile-cover { height: 100%; }
  .mobile-cover main { height: 100%; }
  .mobile-cover .container { padding: 0; border-radius: 0; max-width: 100%; height: 100%; }
  .mobile-cover .content { display: block; height: 100%; }
  .mobile-cover #leftPane { display: none !important; }
  .mobile-cover #rightPane { height: 100%; }
  .mobile-cover .preview-card { border: none; border-radius: 0; height: 100%; box-shadow: none; }
  .mobile-cover .preview-header { display: none; }
  .mobile-cover .preview-body { padding: 0; height: 100%; }
  .mobile-cover .preview-body::after { content: ""; display: block; height: env(safe-area-inset-bottom); }
  .mobile-cover .preview-img {
    width: 100vw;
    height: 100vh;
    object-fit: cover;
    border-radius: 0;
    background: #000;
  }
  .mobile-cover .mobile-actions { position: fixed; left: 0; right: 0; bottom: calc(8px + env(safe-area-inset-bottom)); padding: 0 10px; }
}

@media (max-width: 480px) {
  .container { padding: 10px; }
  h1 { font-size: 1.25rem; }
  .subtitle { font-size: 12px; }
  .templates-title { margin-bottom: 6px; }
}