/* ═══════════════════════════════════════════════════════════
   OpenBanner — Designer Styles
   ═══════════════════════════════════════════════════════════ */

/* ── Layout ── */
.designer {
  display: flex;
  flex: 1;
  overflow: hidden;
  height: 100%;
}

/* ── Left Sidebar ── */
.designer__sidebar {
  width: var(--ob-sidebar-width);
  background: var(--ob-bg-surface);
  border-right: 1px solid var(--ob-border-subtle);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
}

.sidebar__section {
  padding: var(--ob-space-4);
  border-bottom: 1px solid var(--ob-border-subtle);
}

.sidebar__title {
  font-size: var(--ob-text-xs);
  font-weight: var(--ob-weight-semi);
  color: var(--ob-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--ob-space-3);
}

/* -- Add Element Buttons (Now in Top Toolbar) -- */

.add-btn {
  display: flex;
  align-items: center;
  gap: var(--ob-space-3);
  padding: var(--ob-space-3);
  background: var(--ob-bg-elevated);
  border: 1px solid var(--ob-border-subtle);
  border-radius: var(--ob-radius-md);
  cursor: pointer;
  transition: all var(--ob-duration-normal) var(--ob-ease-default);
  font-size: var(--ob-text-sm);
  color: var(--ob-text-primary);
}

.add-btn:hover {
  background: var(--ob-bg-hover);
  border-color: var(--ob-border-strong);
  transform: translateX(2px);
}

.add-btn__icon {
  width: 32px;
  height: 32px;
  border-radius: var(--ob-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--ob-text-lg);
  flex-shrink: 0;
}

.add-btn__icon--text { background: rgba(0, 229, 255, 0.12); color: var(--ob-accent-cyan); }
.add-btn__icon--rect { background: rgba(255, 0, 127, 0.12); color: var(--ob-accent-magenta); }
.add-btn__icon--image { background: rgba(127, 0, 255, 0.12); color: var(--ob-accent-violet); }

.add-btn__label {
  display: flex;
  flex-direction: column;
}

.add-btn__name {
  font-weight: var(--ob-weight-medium);
}

.add-btn__desc {
  font-size: var(--ob-text-xs);
  color: var(--ob-text-tertiary);
}

/* -- Canvas Size Presets -- */
.presets-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--ob-space-2);
}

.preset-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--ob-space-1);
  padding: var(--ob-space-3) var(--ob-space-2);
  background: var(--ob-bg-elevated);
  border: 1px solid var(--ob-border-subtle);
  border-radius: var(--ob-radius-md);
  cursor: pointer;
  transition: all var(--ob-duration-normal) var(--ob-ease-default);
  font-size: var(--ob-text-xs);
  color: var(--ob-text-secondary);
  text-align: center;
}

.preset-btn:hover {
  background: var(--ob-bg-hover);
  border-color: var(--ob-accent-cyan);
  color: var(--ob-text-primary);
}

.preset-btn--active {
  border-color: var(--ob-border-default);
  background: var(--ob-bg-base);
  color: var(--ob-text-primary);
  box-shadow: 0 0 0 2px var(--ob-accent-lime);
}

/* -- Templates Sidebar -- */
.custom-template-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.custom-template-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--ob-shadow-md);
  border-color: var(--ob-accent-lime) !important;
}

.preset-btn__thumb {
  width: 36px;
  height: 24px;
  border: 1px solid var(--ob-border-default);
  border-radius: 2px;
  background: var(--ob-bg-base);
}

.preset-btn__thumb--square { width: 28px; height: 28px; }
.preset-btn__thumb--tall { width: 18px; height: 32px; }
.preset-btn__thumb--wide { width: 40px; height: 20px; }

/* -- Layers Panel -- */
.layers-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}

.layer-item {
  display: flex;
  align-items: center;
  gap: var(--ob-space-2);
  padding: var(--ob-space-2) var(--ob-space-3);
  border-radius: var(--ob-radius-md);
  cursor: pointer;
  transition: background var(--ob-duration-fast);
  font-size: var(--ob-text-sm);
  color: var(--ob-text-secondary);
}

.layer-item:hover { background: var(--ob-bg-hover); }

.layer-item--selected {
  background: var(--ob-bg-elevated);
  color: var(--ob-text-primary);
  box-shadow: inset 3px 0 0 var(--ob-accent-lime);
}

.layer-item__icon {
  width: 20px;
  text-align: center;
  font-size: var(--ob-text-sm);
  flex-shrink: 0;
}

.layer-item__name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.layer-item__actions {
  display: flex;
  gap: 2px;
  opacity: 0;
  transition: opacity var(--ob-duration-fast);
}

.layer-item:hover .layer-item__actions { opacity: 1; }

.layer-action-btn {
  padding: 2px 4px;
  border-radius: var(--ob-radius-sm);
  cursor: pointer;
  font-size: var(--ob-text-xs);
  color: var(--ob-text-tertiary);
  background: none;
  border: none;
  transition: all var(--ob-duration-fast);
}
.layer-action-btn:hover {
  color: var(--ob-text-primary);
  background: var(--ob-bg-elevated);
}

/* ── Canvas Viewport ── */
.designer__canvas-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  background: var(--ob-bg-deep);
}

.canvas-top-bar {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: var(--ob-space-3) var(--ob-space-4);
  gap: var(--ob-space-2);
  position: absolute;
  top: 0;
  left: 0;
  z-index: 50;
  pointer-events: none; /* Let clicks pass through except on children */
}

.canvas-top-bar > * {
  pointer-events: auto;
}

.canvas-actions {
  display: flex;
  align-items: center;
  gap: var(--ob-space-1);
  position: absolute;
  top: 0;
  left: 0;
  background: var(--ob-bg-surface);
  border: 1px solid var(--ob-border-subtle);
  border-radius: var(--ob-radius-md);
  box-shadow: var(--ob-shadow-md);
  padding: 6px;
  z-index: 102; /* Above handles — positioned by JS within .designer__canvas-area */
}

/* Larger, easier-to-hit duplicate / delete buttons */
.canvas-actions .btn--icon {
  min-width: 38px;
  min-height: 38px;
  padding: var(--ob-space-2);
}
.canvas-actions .btn--icon svg {
  width: 18px;
  height: 18px;
}

/* -- Top Toolbar -- */
.canvas-toolbar {
  display: flex;
  align-items: center;
  gap: var(--ob-space-3);
  padding: var(--ob-space-2) var(--ob-space-4);
  background: var(--ob-bg-surface);
  border-bottom: 1px solid var(--ob-border-subtle);
  height: var(--ob-toolbar-height);
  flex-shrink: 0;
}

.canvas-toolbar__group {
  display: flex;
  align-items: center;
  gap: var(--ob-space-1);
}

.canvas-toolbar__separator {
  width: 1px;
  height: 20px;
  background: var(--ob-border-default);
  margin: 0 var(--ob-space-2);
}

.zoom-display {
  font-family: var(--ob-font-mono);
  font-size: var(--ob-text-xs);
  color: var(--ob-text-secondary);
  min-width: 44px;
  text-align: center;
  padding: var(--ob-space-1) var(--ob-space-2);
  background: var(--ob-bg-base);
  border-radius: var(--ob-radius-sm);
  border: 1px solid var(--ob-border-subtle);
}

.canvas-size-display {
  font-family: var(--ob-font-mono);
  font-size: var(--ob-text-xs);
  color: var(--ob-text-tertiary);
}

/* -- Canvas Container -- */
.canvas-viewport {
  flex: 1;
  overflow: hidden;
  position: relative;
  cursor: grab;
  /* Checkerboard background (Light mode) */
  background-image:
    linear-gradient(45deg, #e5e7eb 25%, transparent 25%),
    linear-gradient(-45deg, #e5e7eb 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #e5e7eb 75%),
    linear-gradient(-45deg, transparent 75%, #e5e7eb 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
  background-color: #f3f4f6;
}

.canvas-viewport:active { cursor: grabbing; }

.canvas-wrapper {
  position: absolute;
  transform-origin: 0 0;
  /* will be positioned/scaled by JS */
}

.canvas-frame {
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06),
              var(--ob-shadow-xl);
}

/* -- Element on Canvas -- */
.canvas-element {
  position: absolute;
  cursor: move;
  user-select: none;
  outline: 1px solid transparent;
  transition: outline-color var(--ob-duration-fast);
}

.canvas-element:hover {
  outline-color: rgba(204, 255, 0, 0.5);
}

.canvas-element--selected {
  z-index: 100;
  outline: 2px solid var(--ob-accent-lime);
  outline-offset: 2px;
  box-shadow: 0 0 0 5px rgba(204, 255, 0, 0.18);
}

/* -- Selection Handles -- */
.resize-handles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  display: none;
}

.canvas-element--selected .resize-handles {
  display: block;
}

.resize-handle {
  position: absolute;
  width: 14px;
  height: 14px;
  background: var(--ob-bg-base);
  border: 2px solid var(--ob-accent-lime);
  border-radius: 3px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
  pointer-events: auto;
  transform: translate(-50%, -50%);
  z-index: 101;
  transition: transform var(--ob-duration-fast) var(--ob-ease-default),
              background-color var(--ob-duration-fast);
}
.resize-handle::before {
  content: "";
  position: absolute;
  inset: -9px;
  border-radius: 6px;
}
.resize-handle:hover {
  transform: translate(-50%, -50%) scale(1.25);
  background: var(--ob-accent-lime);
}

/* Corners */
.resize-handle--nw { top: 0;    left: 0;    cursor: nwse-resize; }
.resize-handle--ne { top: 0;    left: 100%; cursor: nesw-resize; }
.resize-handle--sw { top: 100%; left: 0;    cursor: nesw-resize; }
.resize-handle--se { top: 100%; left: 100%; cursor: nwse-resize; }
/* Edges */
.resize-handle--n  { top: 0;    left: 50%;  cursor: ns-resize; }
.resize-handle--s  { top: 100%; left: 50%;  cursor: ns-resize; }
.resize-handle--e  { top: 50%;  left: 100%; cursor: ew-resize; }
.resize-handle--w  { top: 50%;  left: 0;    cursor: ew-resize; }

/* ── Right Inspector Panel ── */
.designer__inspector {
  width: var(--ob-inspector-width);
  background: var(--ob-bg-surface);
  border-left: 1px solid var(--ob-border-subtle);
  overflow-y: auto;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

.inspector__header {
  padding: var(--ob-space-4);
  border-bottom: 1px solid var(--ob-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.inspector__title {
  font-size: var(--ob-text-sm);
  font-weight: var(--ob-weight-semi);
  color: var(--ob-text-primary);
}

.inspector__section {
  padding: var(--ob-space-5) var(--ob-space-4);
  border-bottom: 1px solid var(--ob-border-subtle);
  /* Consistent vertical rhythm: one gap governs spacing between the title, fields,
     grids, and helper text — replaces the ad-hoc per-field margins. */
  display: flex;
  flex-direction: column;
  gap: var(--ob-space-3);
}

.inspector__section-title {
  font-size: 0.625rem; /* 10px — a quiet eyebrow, not a competing headline */
  font-weight: var(--ob-weight-semi);
  color: var(--ob-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0;
}

/* Field labels read as quiet captions so the values dominate (was double all-caps). */
.designer__inspector .form-label {
  text-transform: none;
  letter-spacing: 0;
  font-size: var(--ob-text-xs);
  font-weight: var(--ob-weight-medium);
  color: var(--ob-text-tertiary);
}

.designer__inspector .form-group {
  gap: var(--ob-space-2);
}

/* Coordinate / size fields: tabular monospace so digits stay aligned while typing. */
.designer__inspector input[type="number"].form-input {
  font-family: var(--ob-font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.inspector-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--ob-space-3);
}

.inspector-grid--full {
  grid-template-columns: 1fr;
}

.inspector-row {
  display: flex;
  align-items: center;
  gap: var(--ob-space-2);
}

.inspector-row__label {
  font-size: var(--ob-text-xs);
  color: var(--ob-text-tertiary);
  min-width: 24px;
}

.inspector-row__input {
  flex: 1;
}

.inspector__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: var(--ob-space-8);
  text-align: center;
  color: var(--ob-text-tertiary);
  font-size: var(--ob-text-sm);
  gap: var(--ob-space-3);
}

.inspector__empty-icon {
  font-size: 2rem;
  opacity: 0.3;
}

/* ── Export Drawer ── */
.export-drawer {
  position: fixed;
  right: 0;
  top: var(--ob-nav-height);
  bottom: 0;
  width: 380px;
  background: var(--ob-bg-surface);
  border-left: 1px solid var(--ob-border-default);
  box-shadow: var(--ob-shadow-xl);
  z-index: var(--ob-z-panel);
  transform: translateX(100%);
  transition: transform var(--ob-duration-slow) var(--ob-ease-default);
  display: flex;
  flex-direction: column;
}

.export-drawer--open { transform: translateX(0); }

.export-drawer__header {
  padding: var(--ob-space-5);
  border-bottom: 1px solid var(--ob-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.export-drawer__title {
  font-size: var(--ob-text-lg);
  font-weight: var(--ob-weight-bold);
}

.export-drawer__body {
  padding: var(--ob-space-5);
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--ob-space-5);
}

.export-preview {
  border-radius: var(--ob-radius-lg);
  overflow: hidden;
  background: var(--ob-bg-base);
  border: 1px solid var(--ob-border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  position: relative;
}

.export-preview img {
  max-width: 100%;
  max-height: 280px;
  object-fit: contain;
}

.export-preview__loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--ob-space-3);
  color: var(--ob-text-secondary);
  font-size: var(--ob-text-sm);
}

.export-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--ob-border-default);
  border-top-color: var(--ob-accent-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.export-drawer__footer {
  padding: var(--ob-space-5);
  border-top: 1px solid var(--ob-border-subtle);
  display: flex;
  gap: var(--ob-space-3);
}

/* ── Templates Modal ── */
.templates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--ob-space-4);
  padding: var(--ob-space-4) 0;
}

.template-card {
  background: var(--ob-bg-elevated);
  border: 1px solid var(--ob-border-subtle);
  border-radius: var(--ob-radius-lg);
  padding: var(--ob-space-3);
  cursor: pointer;
  transition: all var(--ob-duration-normal) var(--ob-ease-default);
}

.template-card:hover {
  border-color: var(--ob-accent-cyan);
  transform: translateY(-2px);
  box-shadow: var(--ob-shadow-glow-cyan);
}

.template-card__preview {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--ob-radius-md);
  margin-bottom: var(--ob-space-2);
  overflow: hidden;
}

.template-card__name {
  font-size: var(--ob-text-sm);
  font-weight: var(--ob-weight-medium);
}

/* (Selection + resize-handle styles consolidated above — single source of truth) */

/* ═══════════════════════════════════════════════════════════
   Designer Sub-States — Home (template grid) vs Editor
   ═══════════════════════════════════════════════════════════ */
.designer-home,
.designer-editor { display: none; }

#view-designer.designer--home .designer-home {
  display: flex;
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

#view-designer.designer--editor .designer-editor {
  display: flex;
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

/* Home layout */
.designer-home {
  flex-direction: column;
  background: var(--ob-bg-deep);
}

.designer-home__body {
  flex: 1;
  overflow-y: auto;
  padding: var(--ob-space-8) var(--ob-space-8) var(--ob-space-12);
}

.templates-grid-home {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--ob-space-5);
  max-width: 1240px;
  margin: 0 auto;
}

/* Template card (home grid) */
.tpl-card {
  background: var(--ob-bg-surface);
  border: 1px solid var(--ob-border-default);
  border-radius: var(--ob-radius-lg);
  overflow: hidden;
  transition: transform var(--ob-duration-normal) var(--ob-ease-default),
              box-shadow var(--ob-duration-normal) var(--ob-ease-default),
              border-color var(--ob-duration-normal) var(--ob-ease-default);
}
.tpl-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--ob-shadow-lg);
  border-color: var(--ob-accent-lime);
}

.tpl-card__preview {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--ob-border-subtle);
  position: relative;
}
.tpl-card__preview-tag {
  font-family: var(--ob-font-mono);
  font-size: var(--ob-text-xs);
  color: rgba(255, 255, 255, 0.92);
  background: rgba(0, 0, 0, 0.32);
  padding: 3px var(--ob-space-2);
  border-radius: var(--ob-radius-full);
  backdrop-filter: blur(2px);
}

.tpl-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--ob-space-3) var(--ob-space-4);
  gap: var(--ob-space-2);
}
.tpl-card__meta { min-width: 0; }
.tpl-card__name {
  font-size: var(--ob-text-md);
  font-weight: var(--ob-weight-semi);
  color: var(--ob-text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tpl-card__sub {
  font-size: var(--ob-text-xs);
  color: var(--ob-text-tertiary);
  margin-top: 2px;
}
.tpl-card__delete {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--ob-radius-sm);
  color: var(--ob-text-tertiary);
  transition: all var(--ob-duration-fast) var(--ob-ease-default);
}
.tpl-card__delete:hover {
  color: var(--ob-accent-red);
  background: rgba(239, 68, 68, 0.10);
}

/* Home empty state */
.home-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--ob-space-12) var(--ob-space-6);
  color: var(--ob-text-secondary);
  max-width: 480px;
  margin: var(--ob-space-12) auto 0;
}
.home-empty__icon {
  color: var(--ob-border-strong);
  margin-bottom: var(--ob-space-5);
}
.home-empty__title {
  font-size: var(--ob-text-xl);
  font-weight: var(--ob-weight-bold);
  color: var(--ob-text-primary);
  margin-bottom: var(--ob-space-2);
}
.home-empty__text {
  font-size: var(--ob-text-md);
  color: var(--ob-text-secondary);
  margin-bottom: var(--ob-space-6);
  line-height: var(--ob-leading-normal);
}

/* ═══════════════════════════════════════════════════════════
   Conditional Header (home vs editor) — driven by body.ds-home
   ═══════════════════════════════════════════════════════════ */
.header-home-left { display: none; align-items: center; gap: var(--ob-space-2); }
.header-editor-left { display: flex; align-items: center; gap: var(--ob-space-2); min-width: 0; }
.editor-actions { display: flex; align-items: center; gap: var(--ob-space-3); }
.home-actions { display: none; align-items: center; gap: var(--ob-space-2); }

.header-title {
  font-size: var(--ob-text-lg);
  font-weight: var(--ob-weight-bold);
  color: var(--ob-text-primary);
  letter-spacing: -0.01em;
}

body.ds-home .header-home-left { display: flex; }
body.ds-home .home-actions { display: inline-flex; }
body.ds-home .header-editor-left,
body.ds-home .header-center,
body.ds-home .editor-actions { display: none !important; }

/* Editable template name (editor header) */
.template-name-input {
  font-size: var(--ob-text-md);
  font-weight: var(--ob-weight-semi);
  color: var(--ob-text-primary);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--ob-radius-sm);
  padding: var(--ob-space-1) var(--ob-space-2);
  max-width: 340px;
  min-width: 120px;
  transition: all var(--ob-duration-fast) var(--ob-ease-default);
}
.template-name-input:hover { background: var(--ob-bg-hover); }
.template-name-input:focus {
  background: var(--ob-bg-base);
  border-color: var(--ob-accent-lime);
  box-shadow: 0 0 0 2px rgba(204, 255, 0, 0.3);
}

/* Inspector single (non-tab) header */
.inspector__single-title {
  flex: 1;
  text-align: center;
  padding: var(--ob-space-2) var(--ob-space-3);
  font-size: var(--ob-text-xs);
  font-weight: var(--ob-weight-semi);
  color: var(--ob-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}