:root {
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  --ui-bg: #0d0b1e;
  --ui-surface: #1a1928;
  --ui-border: rgba(255,255,255,0.1);
  --ui-text: #e8e0f8;
  --ui-muted: rgba(255,255,255,0.45);
  --ui-accent: #9b8ec4;
  --ui-accent-hover: #b5a8d8;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ui-bg);
  color: var(--ui-text);
  font-family: var(--font-body);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  border-bottom: 1px solid var(--ui-border);
}
.topbar__logo { height: 28px; }
.topbar__back { color: var(--ui-muted); text-decoration: none; font-size: 14px; }
.topbar__back:hover { color: var(--ui-text); }

.page { max-width: 1200px; margin: 0 auto; padding: 40px 24px 120px; }
.page__title { font-family: var(--font-display); font-size: 36px; margin: 0 0 8px; }
.page__subtitle { color: var(--ui-muted); margin: 0 0 32px; }

.tabs { display: flex; gap: 12px; margin-bottom: 32px; }
.tabs__btn {
  flex: 1;
  padding: 16px;
  background: var(--ui-surface);
  border: 1px solid var(--ui-border);
  border-radius: 12px;
  color: var(--ui-muted);
  font: 500 16px var(--font-body);
  cursor: pointer;
}
.tabs__btn.is-active { color: var(--ui-text); border-color: var(--ui-accent); background: rgba(155,142,196,0.12); }

.workspace { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 1199px) { .workspace { grid-template-columns: 1fr; } }

.preview-pane { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.preview-pane__stage {
  width: 540px; height: 540px;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--ui-border);
  background: #000;
}
@media (max-width: 1199px) { .preview-pane__stage { width: 400px; height: 400px; } }
@media (max-width: 767px) { .preview-pane__stage { width: 320px; height: 320px; } }

.preview-pane__nav { display: flex; align-items: center; gap: 16px; }
.nav-arrow {
  background: var(--ui-surface); border: 1px solid var(--ui-border);
  color: var(--ui-text); border-radius: 8px; width: 40px; height: 40px;
  cursor: pointer; font-size: 16px;
}
.nav-arrow:hover { border-color: var(--ui-accent); }
.dots { display: flex; gap: 8px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ui-border); }
.dot.is-active { background: var(--ui-accent); }
.preview-pane__counter { color: var(--ui-muted); font-size: 14px; margin: 0; }

.editor-pane { display: flex; flex-direction: column; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field__label { color: var(--ui-muted); font-size: 13px; text-transform: uppercase; letter-spacing: 0.05em; }
.field__input, .field__textarea {
  background: var(--ui-surface); border: 1px solid var(--ui-border);
  border-radius: 8px; padding: 12px 14px; color: var(--ui-text);
  font: 400 15px var(--font-body); resize: vertical;
}
.field__input:focus, .field__textarea:focus { outline: none; border-color: var(--ui-accent); }

.export-bar {
  position: sticky; bottom: 0; left: 0; right: 0;
  background: var(--ui-bg); border-top: 1px solid var(--ui-border);
  padding: 20px 24px; text-align: center; margin-top: 40px;
}
.export-btn {
  background: var(--ui-accent); color: #0d0b1e; border: none;
  border-radius: 10px; padding: 16px 32px; font: 600 16px var(--font-body);
  cursor: pointer;
}
.export-btn:hover:not(:disabled) { background: var(--ui-accent-hover); }
.export-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.export-status { color: var(--ui-muted); font-size: 13px; margin: 8px 0 0; }

@media (max-width: 767px) {
  .page { padding-bottom: 160px; } /* keep content clear of the sticky bar */
  .export-btn { width: 100%; }
}

/* Slide markup (shared by preview + export — see render.js) */
.slide { position: relative; width: 1080px; height: 1080px; overflow: hidden; background: #0d0b1e; }
.slide__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.slide__overlay { position: absolute; inset: 0; }
.slide__top { position: absolute; top: 40px; left: 50px; right: 50px; display: flex; justify-content: space-between; align-items: center; }
.slide__logo { height: 32px; opacity: 0.9; }
.slide__counter { color: rgba(255,255,255,0.4); font: 300 18px 'Inter', sans-serif; }
.slide__content { position: absolute; bottom: 120px; left: 50px; right: 50px; }
.slide__badge {
  display: inline-block; border: 1px solid rgba(255,255,255,0.4); border-radius: 20px;
  padding: 6px 20px; margin-bottom: 28px; color: rgba(255,255,255,0.75);
  font: 400 16px 'Inter', sans-serif; letter-spacing: 0.1em; text-transform: uppercase;
}
.slide__title { color: #fff; font: 600 58px/1.2 'Cormorant Garamond', serif; margin: 0 0 24px; }
.slide__divider { width: 48px; height: 1px; background: rgba(255,255,255,0.3); margin-bottom: 24px; }
.slide__body { color: rgba(255,255,255,0.85); font: 400 28px/1.65 'Inter', sans-serif; max-width: 800px; }
.slide__body p { margin: 0 0 8px; }
.slide__footer { position: absolute; bottom: 40px; left: 50px; right: 50px; display: flex; justify-content: space-between; color: rgba(255,255,255,0.45); font: 400 18px 'Inter', sans-serif; }