/* app.css — creator page layout & components */

body { background: var(--color-bg); }

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--color-divider);
  background: color-mix(in oklab, var(--color-surface) 92%, transparent);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 40;
}
.site-header__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
}
.brand { display: flex; align-items: center; gap: var(--space-3); color: var(--color-primary); text-decoration: none; }
.brand__mark { width: 30px; height: 30px; flex-shrink: 0; }
.brand__text { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; color: var(--color-text); }
.theme-toggle {
  width: 40px; height: 40px; border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-border); color: var(--color-text-muted);
}
.theme-toggle:hover { color: var(--color-primary); border-color: var(--color-primary); }

/* ---------- Hero ---------- */
.hero {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: clamp(var(--space-12), 6vw, var(--space-20)) var(--space-6) var(--space-8);
  text-align: center;
}
.hero__eyebrow {
  font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--color-gold); font-weight: 700; margin-bottom: var(--space-3);
}
.hero__title {
  font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 700;
  color: var(--color-text); margin-bottom: var(--space-4); max-width: 20ch; margin-inline: auto;
}
.hero__subtitle {
  font-size: var(--text-base); color: var(--color-text-muted);
  max-width: 52ch; margin-inline: auto;
}

/* ---------- Workspace grid ---------- */
.workspace {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 var(--space-6) var(--space-24);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: var(--space-6);
  align-items: start;
}
.workspace > .panel:nth-child(1),
.workspace > .panel:nth-child(2) {
  grid-column: 1;
}
.panel--preview {
  grid-column: 2;
  grid-row: 1 / 3;
  position: sticky;
  top: calc(var(--space-16) + var(--space-4));
}

@media (max-width: 900px) {
  .workspace { grid-template-columns: 1fr; }
  .workspace > .panel { grid-column: 1 !important; grid-row: auto !important; }
  .panel--preview { position: static; }
}

/* ---------- Panel ---------- */
.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.panel__head { display: flex; align-items: baseline; gap: var(--space-3); margin-bottom: var(--space-5); flex-wrap: wrap; }
.panel__step {
  width: 26px; height: 26px; border-radius: var(--radius-full);
  background: var(--color-primary); color: var(--color-text-inverse);
  font-size: var(--text-xs); font-weight: 700;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.panel__title { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; color: var(--color-text); }
.panel__hint { font-size: var(--text-xs); color: var(--color-text-muted); margin-left: auto; }

/* ---------- Dropzone ---------- */
.dropzone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-10) var(--space-6);
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: var(--space-3);
  background: var(--color-surface-2);
  cursor: pointer;
}
.dropzone:hover, .dropzone:focus-visible, .dropzone.is-dragover {
  border-color: var(--color-primary);
  background: color-mix(in oklab, var(--color-primary-highlight) 40%, var(--color-surface-2));
}
.dropzone__icon { width: 40px; height: 40px; color: var(--color-primary); }
.dropzone__title { font-weight: 700; color: var(--color-text); }
.dropzone__hint { font-size: var(--text-sm); color: var(--color-text-muted); max-width: 40ch; }

/* ---------- Progress ---------- */
.progress { margin-top: var(--space-5); }
.progress__bar { height: 8px; border-radius: var(--radius-full); background: var(--color-surface-offset-2); overflow: hidden; }
.progress__fill { height: 100%; width: 0%; background: var(--color-primary); border-radius: var(--radius-full); transition: width 220ms ease; }
.progress__label { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-2); }

/* ---------- Page strip ---------- */
.page-strip { margin-top: var(--space-5); }
.page-strip__label { font-size: var(--text-sm); font-weight: 600; color: var(--color-text); margin-bottom: var(--space-3); }
.page-strip__list {
  display: flex; gap: var(--space-3); overflow-x: auto; padding-bottom: var(--space-2);
  scrollbar-width: thin;
}
.page-thumb {
  position: relative; flex-shrink: 0; width: 76px; height: 100px;
  border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--color-border);
  background: var(--color-surface-2);
}
.page-thumb img { width: 100%; height: 100%; object-fit: cover; }
.page-thumb__index {
  position: absolute; left: 4px; top: 4px; font-size: 10px; font-weight: 700;
  background: color-mix(in oklab, var(--color-surface-2) 85%, transparent); color: var(--color-text);
  padding: 1px 5px; border-radius: var(--radius-full);
}
.page-thumb__remove {
  position: absolute; right: 3px; top: 3px; width: 20px; height: 20px; border-radius: var(--radius-full);
  background: color-mix(in oklab, var(--color-text) 70%, transparent); color: var(--color-text-inverse);
  display: flex; align-items: center; justify-content: center; font-size: 13px; line-height: 1;
}
.page-thumb__remove:hover { background: var(--color-error); }
.btn--sm { margin-top: var(--space-4); }

/* ---------- Fields ---------- */
.field { display: block; margin-bottom: var(--space-6); }
.field:last-child { margin-bottom: 0; }
.field__label { display: block; font-size: var(--text-sm); font-weight: 600; color: var(--color-text); margin-bottom: var(--space-2); }
.field__input {
  width: 100%; padding: var(--space-3) var(--space-4); border-radius: var(--radius-sm);
  border: 1px solid var(--color-border); background: var(--color-surface-2); color: var(--color-text);
  font-size: var(--text-base);
}
.field__input:focus-visible { border-color: var(--color-primary); }
.field__textarea { resize: vertical; font-family: 'SFMono-Regular', Menlo, monospace; font-size: var(--text-sm); }

/* ---------- Segmented control ---------- */
.segmented { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
.segmented__option {
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4); text-align: left; background: var(--color-surface-2);
  display: flex; flex-direction: column; gap: 2px;
}
.segmented__option strong { font-size: var(--text-sm); color: var(--color-text); }
.segmented__option span { font-size: var(--text-xs); color: var(--color-text-muted); }
.segmented__option.is-active {
  border-color: var(--color-primary); background: var(--color-primary-highlight);
  box-shadow: 0 0 0 1px var(--color-primary) inset;
}
.segmented__option.is-active strong { color: var(--color-primary-hover); }

/* ---------- Swatches ---------- */
.swatch-row { display: flex; gap: var(--space-3); }
.swatch {
  width: 40px; height: 40px; border-radius: var(--radius-full);
  background: var(--sw); border: 2px solid transparent; box-shadow: var(--shadow-sm);
  outline-offset: 2px;
}
.swatch--backdrop { background: var(--sw); }
.swatch.is-active { border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-highlight); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-5); border-radius: var(--radius-sm);
  font-size: var(--text-sm); font-weight: 600; border: 1px solid transparent;
}
.btn--primary { background: var(--color-primary); color: var(--color-text-inverse); }
.btn--primary:hover { background: var(--color-primary-hover); }
.btn--primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn--ghost { background: transparent; border-color: var(--color-border); color: var(--color-text); }
.btn--ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn--lg { padding: var(--space-4) var(--space-8); font-size: var(--text-base); width: 100%; }

/* ---------- Preview stage ---------- */
.panel--preview .flip-stage { height: clamp(360px, 52vh, 640px); margin-top: var(--space-2); }
.publish-row { margin-top: var(--space-6); text-align: center; }
.publish-row__hint { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: var(--space-2); }

.embed-result { margin-top: var(--space-6); padding-top: var(--space-6); border-top: 1px solid var(--color-divider); }
.embed-result__actions { display: flex; gap: var(--space-3); margin-top: var(--space-3); flex-wrap: wrap; }
.embed-result__status { font-size: var(--text-xs); color: var(--color-success); margin-top: var(--space-2); min-height: 1em; }
.embed-result__status.is-error { color: var(--color-danger, #b3261e); }

.embed-result__notion {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px dashed var(--color-divider);
}
.embed-result__notion summary {
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  list-style: none;
}
.embed-result__notion summary::-webkit-details-marker { display: none; }
.embed-result__notion summary::before { content: '▸ '; color: var(--color-primary); }
.embed-result__notion[open] summary::before { content: '▾ '; }
.embed-result__notion .field { margin-top: var(--space-3); }
.embed-result__notion .btn { margin-top: var(--space-3); }

/* ---------- Toast ---------- */
.fb-toast {
  position: fixed;
  left: 50%;
  bottom: var(--space-6);
  transform: translate(-50%, 12px);
  background: var(--color-text);
  color: var(--color-surface);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  z-index: 200;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.fb-toast.is-visible { opacity: 1; transform: translate(-50%, 0); }
.fb-toast.is-error { background: #b3261e; }
.fb-toast.is-success { background: var(--color-text); }

/* ---------- Advanced tools ---------- */
.advanced-tools { margin-top: var(--space-5); padding-top: var(--space-5); border-top: 1px solid var(--color-divider); }
.advanced-tools__label { font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--color-text-faint); margin-bottom: var(--space-3); }
.advanced-tools__row { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.advanced-tools__row .btn svg { flex-shrink: 0; }
.advanced-tools__hint { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: var(--space-3); }

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: color-mix(in oklab, black 55%, transparent);
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-5);
}
.modal-overlay[hidden] { display: none; }
.modal {
  background: var(--color-surface); border-radius: var(--radius-lg); border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg); width: 100%; max-width: 640px; max-height: 90vh;
  display: flex; flex-direction: column;
}
.modal__head {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-5) var(--space-6); border-bottom: 1px solid var(--color-divider); flex-shrink: 0;
}
.modal__title { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; color: var(--color-text); }
.modal__close {
  width: 32px; height: 32px; border-radius: var(--radius-full); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; color: var(--color-text-muted);
}
.modal__close:hover { color: var(--color-primary); background: var(--color-surface-2); }
.modal__body { padding: var(--space-6); overflow-y: auto; }
.modal__desc { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-5); line-height: 1.6; }
.modal__actions { display: flex; gap: var(--space-3); margin-top: var(--space-5); }
.modal__actions .btn { flex: 1; }
.modal__status { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: var(--space-3); min-height: 1em; }
.modal__status.is-error { color: var(--color-error); }
.modal__status.is-success { color: var(--color-success); }
.field__note { display: block; font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-2); }

/* ---------- Piece grid (split preview + reorder) ---------- */
.piece-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--space-3); margin-top: var(--space-2);
}
.piece-tile {
  border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface-2);
  padding: var(--space-2); display: flex; flex-direction: column; gap: var(--space-2);
}
.piece-tile__img-wrap {
  border-radius: var(--radius-sm); overflow: hidden; background: var(--color-surface-offset-2);
  aspect-ratio: 3/4; display: flex; align-items: center; justify-content: center;
}
.piece-tile__img-wrap img { width: 100%; height: 100%; object-fit: contain; }
.piece-tile__meta { font-size: 11px; color: var(--color-text-muted); text-align: center; }
.piece-tile__order { display: flex; align-items: center; gap: var(--space-2); font-size: var(--text-xs); color: var(--color-text); }
.piece-tile__order input {
  width: 100%; min-width: 0; padding: var(--space-2); border-radius: var(--radius-sm);
  border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text);
  font-size: var(--text-sm); text-align: center; font-weight: 700;
}
.piece-tile__order input:focus-visible { border-color: var(--color-primary); }

/* ---------- Footer ---------- */
.site-footer {
  text-align: center; padding: var(--space-8) var(--space-6) var(--space-16);
  font-size: var(--text-xs); color: var(--color-text-faint);
}