/* =========================
   Photobook Constructor — templatus
   ========================= */

:root {
  --pb-bg: var(--color-surface);
  --pb-panel: var(--color-surface-elevated);
  --pb-border: var(--color-border);
  --pb-accent: var(--color-primary);
  --pb-page-shadow: 0 10px 30px -5px rgb(0 0 0 / 0.25), 0 4px 10px -4px rgb(0 0 0 / 0.15);
}

/* ---------- Landing / themes catalog ---------- */
.pb-themes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.pb-theme-card {
  background: var(--pb-panel);
  border: 1px solid var(--pb-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease;
  display: flex;
  flex-direction: column;
}

.pb-theme-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pb-theme-preview {
  height: 170px;
  display: flex;
  align-items: stretch;
  gap: 3px;
  padding: 18px;
}

.pb-theme-preview .pb-tp-left,
.pb-theme-preview .pb-tp-right {
  flex: 1;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px;
}

.pb-theme-preview .pb-tp-block {
  border-radius: 3px;
  flex: 1;
}

.pb-theme-preview .pb-tp-text {
  height: 10px;
  border-radius: 2px;
  flex: none;
  margin-top: 6px;
}

.pb-theme-body {
  padding: 18px 20px 20px;
}

.pb-theme-body h3 {
  margin: 0 0 6px;
  font-size: 1.1rem;
  color: var(--color-text-heading);
}

.pb-theme-body p {
  margin: 0;
  font-size: .875rem;
  color: var(--color-muted);
  line-height: 1.5;
}

.pb-theme-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.pb-theme-tags span {
  font-size: .72rem;
  padding: 3px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--pb-accent) 10%, transparent);
  color: var(--pb-accent);
}

/* ---------- App shell ---------- */
.pb-app {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--pb-bg);
  flex-direction: column;
}

.pb-app.active {
  display: flex;
}

.pb-topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--pb-panel);
  border-bottom: 1px solid var(--pb-border);
  flex-wrap: wrap;
}

.pb-topbar .btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--pb-border);
  background: var(--color-bg);
  color: var(--color-text);
  font: inherit;
  font-size: .875rem;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
}

.pb-topbar .btn:hover {
  border-color: var(--pb-accent);
  color: var(--pb-accent);
}

.pb-topbar .btn-primary {
  background: var(--pb-accent);
  border-color: var(--pb-accent);
  color: #fff;
}

.pb-topbar .btn-primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
}

.pb-topbar .spacer { flex: 1; }

.pb-select {
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--pb-border);
  background: var(--color-bg);
  color: var(--color-text);
  font: inherit;
  font-size: .875rem;
}

.pb-color-input {
  width: 34px;
  height: 34px;
  padding: 2px;
  border: 1px solid var(--pb-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  cursor: pointer;
}

/* ---------- Workspace ---------- */
.pb-workspace {
  flex: 1;
  display: flex;
  min-height: 0;
}

.pb-canvas-area {
  flex: 1;
  overflow: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  position: relative;
}

/* Spread (screen render) */
.pb-spread {
  position: relative;
  background: #fff;
  box-shadow: var(--pb-page-shadow);
  flex: none;
}

.pb-spread .pb-fold {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: repeating-linear-gradient(180deg, rgb(0 0 0 / .18) 0 6px, transparent 6px 12px);
  pointer-events: none;
  z-index: 5;
}

.pb-spread .pb-fold::after {
  content: attr(data-tip);
  position: absolute;
  top: 4px;
  left: 50%;
  transform: translateX(-50%);
  background: rgb(0 0 0 / .65);
  color: #fff;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 999px;
  white-space: nowrap;
}

.pb-guides .pb-safe {
  position: absolute;
  border: 1px dashed rgb(37 99 235 / .55);
  pointer-events: none;
  z-index: 4;
}

.pb-guides .pb-bleed {
  position: absolute;
  inset: 0;
  border: 1px dashed rgb(234 88 12 / .6);
  outline: 1px dashed rgb(234 88 12 / .6);
  outline-offset: 0;
  pointer-events: none;
  z-index: 4;
}

/* Slots */
.pb-slot {
  position: absolute;
  overflow: hidden;
}

.pb-slot[data-type="image"] {
  cursor: grab;
  background: repeating-linear-gradient(45deg, #eef2f7 0 10px, #e4e9f0 10px 20px);
  outline: 1px solid rgb(15 23 42 / .08);
}

.pb-slot[data-type="image"]:hover {
  outline: 2px solid color-mix(in srgb, var(--pb-accent) 60%, transparent);
}

.pb-slot.selected {
  outline: 2px solid var(--pb-accent) !important;
  z-index: 3;
}

.pb-slot .pb-img-wrap {
  position: absolute;
  inset: 0;
}

.pb-slot img {
  position: absolute;
  user-select: none;
  -webkit-user-drag: none;
  transform-origin: 0 0;
  max-width: none;
}

.pb-slot .pb-empty-hint {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: #94a3b8;
  font-size: 12px;
  pointer-events: none;
  text-align: center;
  padding: 8px;
}

.pb-slot .pb-empty-hint i { font-size: 24px; }

.pb-dpi-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  background: #dc2626;
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  z-index: 4;
  pointer-events: none;
}

.pb-slot[data-type="text"] {
  display: flex;
  cursor: text;
  overflow: visible;
}

.pb-slot[data-type="text"] .pb-text-inner {
  width: 100%;
  outline: none;
  overflow-wrap: break-word;
  overflow: hidden;
}

/* ---------- Side panel ---------- */
.pb-side {
  width: 300px;
  flex: none;
  background: var(--pb-panel);
  border-left: 1px solid var(--pb-border);
  overflow-y: auto;
  padding: 16px;
}

.pb-side h4 {
  margin: 0 0 10px;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--color-muted);
}

.pb-section { margin-bottom: 22px; }

.pb-layout-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.pb-layout-btn {
  border: 1px solid var(--pb-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  padding: 6px;
  cursor: pointer;
  transition: border-color .15s ease;
}

.pb-layout-btn:hover, .pb-layout-btn.active {
  border-color: var(--pb-accent);
}

.pb-layout-btn svg { display: block; width: 100%; height: auto; }

.pb-palette-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pb-palette-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid var(--pb-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  cursor: pointer;
  font: inherit;
  font-size: .85rem;
  color: var(--color-text);
}

.pb-palette-btn.active, .pb-palette-btn:hover {
  border-color: var(--pb-accent);
}

.pb-palette-swatches {
  display: flex;
  gap: 3px;
}

.pb-palette-swatches i {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  display: inline-block;
}

.pb-media-drop {
  border: 2px dashed var(--pb-border);
  border-radius: var(--radius);
  padding: 18px;
  text-align: center;
  font-size: .85rem;
  color: var(--color-muted);
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}

.pb-media-drop:hover, .pb-media-drop.dragover {
  border-color: var(--pb-accent);
  background: color-mix(in srgb, var(--pb-accent) 6%, transparent);
}

.pb-media-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-top: 10px;
  max-height: 180px;
  overflow-y: auto;
}

.pb-media-list img {
  width: 100%;
  height: 60px;
  object-fit: cover;
  border-radius: 6px;
  cursor: pointer;
  border: 2px solid transparent;
}

.pb-media-list img:hover { border-color: var(--pb-accent); }

.pb-text-controls .btn {
  padding: 6px 9px;
  font-size: .8rem;
}

.pb-slider-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  font-size: .8rem;
  color: var(--color-muted);
}

.pb-slider-row input[type="range"] { flex: 1; accent-color: var(--pb-accent); }

/* ---------- Thumbnails strip ---------- */
.pb-filmstrip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--pb-panel);
  border-top: 1px solid var(--pb-border);
  overflow-x: auto;
}

.pb-thumb {
  position: relative;
  flex: none;
  width: 120px;
  height: 64px;
  border-radius: 6px;
  border: 2px solid var(--pb-border);
  background: #fff;
  cursor: pointer;
  overflow: hidden;
  display: flex;
  gap: 1px;
  padding: 3px;
}

.pb-thumb.active { border-color: var(--pb-accent); }
.pb-thumb.drag-over { border-color: var(--color-secondary); }

.pb-thumb .pb-thumb-page {
  flex: 1;
  position: relative;
  background: #ddd;
  overflow: hidden;
}

.pb-thumb .pb-thumb-page .pb-thumb-slot {
  position: absolute;
  background: #9aa6b5;
}

.pb-thumb .pb-thumb-page .pb-thumb-slot.txt { background: transparent; border-top: 2px solid #9aa6b5; height: 0 !important; }

.pb-thumb-num {
  position: absolute;
  bottom: 2px;
  left: 4px;
  font-size: 9px;
  color: #475569;
  background: rgb(255 255 255 / .75);
  padding: 0 4px;
  border-radius: 4px;
  z-index: 2;
}

.pb-thumb-del {
  position: absolute;
  top: 2px;
  right: 2px;
  z-index: 3;
  width: 18px;
  height: 18px;
  border: none;
  border-radius: 50%;
  background: rgb(0 0 0 / .55);
  color: #fff;
  font-size: 11px;
  line-height: 1;
  cursor: pointer;
  display: none;
}

.pb-thumb:hover .pb-thumb-del { display: block; }

.pb-strip-add {
  flex: none;
  width: 64px;
  height: 64px;
  border: 2px dashed var(--pb-border);
  border-radius: 6px;
  background: none;
  color: var(--color-muted);
  font-size: 20px;
  cursor: pointer;
}

.pb-strip-add:hover { border-color: var(--pb-accent); color: var(--pb-accent); }

/* ---------- Modals ---------- */
.pb-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgb(0 0 0 / .5);
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.pb-modal-backdrop.open { display: flex; }

.pb-modal {
  background: var(--pb-panel);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 28px;
}

.pb-modal h3 { margin-top: 0; }

.pb-export-option {
  display: flex;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--pb-border);
  border-radius: var(--radius);
  cursor: pointer;
  margin-bottom: 10px;
  transition: border-color .15s ease;
}

.pb-export-option:hover { border-color: var(--pb-accent); }

.pb-export-option input { accent-color: var(--pb-accent); margin-top: 4px; }

.pb-export-option b { display: block; }

.pb-export-option small { color: var(--color-muted); }

.pb-progress {
  height: 8px;
  border-radius: 999px;
  background: var(--pb-border);
  overflow: hidden;
  margin-top: 16px;
  display: none;
}

.pb-progress.open { display: block; }

.pb-progress-bar {
  height: 100%;
  width: 0;
  background: var(--pb-accent);
  transition: width .2s ease;
}

/* Ручки перемещения/ресайза выбранного слота */
.pb-movebar {
  position: absolute;
  top: -20px;
  left: 0;
  height: 18px;
  padding: 0 10px;
  border-radius: 6px 6px 0 0;
  background: var(--pb-accent);
  color: #fff;
  font-size: 11px;
  line-height: 18px;
  cursor: move;
  user-select: none;
  white-space: nowrap;
  z-index: 6;
}

.pb-delhandle {
  position: absolute;
  top: -20px;
  left: auto;
  right: 0;
  height: 18px;
  min-width: 18px;
  padding: 0 6px;
  border-radius: 6px 6px 0 0;
  background: #dc2626;
  color: #fff;
  font-size: 11px;
  line-height: 18px;
  text-align: center;
  cursor: pointer;
  user-select: none;
  z-index: 7;
}

.pb-resize {
  position: absolute;
  right: -7px;
  bottom: -7px;
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: var(--pb-accent);
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgb(0 0 0 / .3);
  cursor: nwse-resize;
  z-index: 6;
}

/* Фото в модалке раскладки */
.pb-fill-photo {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid var(--pb-border);
  display: block;
}

.pb-fill-photo img {
  width: 100%;
  height: 64px;
  object-fit: cover;
  display: block;
  opacity: .35;
}

.pb-fill-photo[data-on="1"] { border-color: var(--pb-accent); }
.pb-fill-photo[data-on="1"] img { opacity: 1; }

.pb-fill-ord {
  position: absolute;
  top: 3px;
  left: 3px;
  background: rgb(0 0 0 / .6);
  color: #fff;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 999px;
}

@media (max-width: 900px) {
  .pb-side { display: none; }
  .pb-workspace { padding: 12px; }
}