/* Photoslop — dark, Photoshop-like theme. No external fonts/CDN. */

:root {
  --bg-panel: #1e1e1e;
  --bg-canvas: #2b2b2b;
  --bg-hover: #3a3a3a;
  --bg-active: #094771;
  --border: #444;
  --text: #d4d4d4;
  --text-dim: #888;
  --toolbar-w: 44px;
  --props-w: 240px;
  --menubar-h: 28px;
  --statusbar-h: 24px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  overflow: hidden;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 13px;
  color: var(--text);
  background: var(--bg-canvas);
  user-select: none;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
}

/* ---- Menubar ---- */
.menubar {
  display: flex;
  align-items: stretch;
  height: var(--menubar-h);
  min-height: var(--menubar-h);
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
}

.menu {
  position: relative;
}

.menu-title {
  height: 100%;
  padding: 0 12px;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
}

.menu-title:hover,
.menu.open .menu-title {
  background: var(--bg-hover);
}

.menu-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  margin: 0;
  padding: 4px 0;
  list-style: none;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  z-index: 1000;
}

.menu-dropdown[hidden] {
  display: none;
}

.menu-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 5px 14px;
  cursor: pointer;
  white-space: nowrap;
}

.menu-item:hover {
  background: var(--bg-active);
}

.menu-item.disabled {
  color: var(--text-dim);
  cursor: default;
}

.menu-item.disabled:hover {
  background: transparent;
}

.menu-item .shortcut {
  color: var(--text-dim);
  font-size: 12px;
}

.menu-separator {
  height: 0;
  margin: 4px 0;
  border-top: 1px solid var(--border);
  list-style: none;
}

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

/* ---- Toolbar ---- */
.toolbar {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: var(--toolbar-w);
  min-width: var(--toolbar-w);
  padding: 6px 0;
  gap: 4px;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
}

.tool-btn {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 3px;
  color: var(--text);
  cursor: pointer;
  font-size: 18px;
}

.tool-btn:hover {
  background: var(--bg-hover);
}

.tool-btn[aria-pressed="true"] {
  background: var(--bg-active);
  border-color: #1177bb;
}

.tool-icon {
  line-height: 1;
}

/* ---- Canvas area ---- */
.canvas-area {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  /* Screen-fixed 16px checkerboard via two-tone repeating-conic-gradient. */
  background-color: #666;
  background-image: repeating-conic-gradient(#7a7a7a 0% 25%, #5e5e5e 0% 50%);
  background-size: 16px 16px;
  background-position: 0 0;
}

.canvas-area canvas,
.canvas-area #overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

#raster { z-index: 1; }
#objects { z-index: 2; }
#chrome { z-index: 3; }
#overlay { z-index: 4; pointer-events: none; }

.empty-state {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 5;
  padding: 10px 18px;
  color: var(--text);
  background: rgba(30, 30, 30, 0.75);
  border: 1px solid var(--border);
  border-radius: 4px;
  pointer-events: none;
}

.empty-state[hidden] {
  display: none;
}

.empty-state.clickable {
  pointer-events: auto;
  cursor: pointer;
}

.empty-state.clickable:hover {
  background: rgba(30, 30, 30, 0.9);
  border-color: #1177bb;
}

/* Drag-drop highlight on the canvas area. */
.canvas-area.drop-target {
  outline: 2px dashed #1177bb;
  outline-offset: -6px;
}

/* ---- Properties panel ---- */
.properties {
  display: flex;
  flex-direction: column;
  width: var(--props-w);
  min-width: var(--props-w);
  background: var(--bg-panel);
  border-left: 1px solid var(--border);
}

.panel-header {
  padding: 6px 12px;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}

.panel-body {
  flex: 1 1 auto;
  padding: 12px;
  color: var(--text-dim);
}

/* ---- Crop tool properties panel ---- */
.crop-panel[hidden] {
  display: none;
}

.crop-panel-empty {
  color: var(--text-dim);
}

.crop-panel-controls[hidden] {
  display: none;
}

.crop-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.crop-field-label {
  color: var(--text);
}

.crop-aspect-select {
  flex: 1 1 auto;
  min-width: 0;
}

.crop-custom-row {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.crop-custom-row[hidden] {
  display: none;
}

.crop-custom-field {
  display: flex;
  align-items: center;
  gap: 4px;
}

.crop-custom-input {
  width: 56px;
}

.crop-readout {
  margin-bottom: 12px;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.crop-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.crop-btn {
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  color: var(--text);
  background: var(--bg-hover);
}

.crop-btn.primary {
  background: #1177bb;
  border-color: #1177bb;
  color: #fff;
}

/* ---- Select tool: object Properties panel ---- */
.object-panel[hidden] {
  display: none;
}

.object-panel-heading {
  color: var(--text);
  font-weight: 600;
  margin-bottom: 10px;
}

.object-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.object-field[hidden] {
  display: none;
}

.object-field-label {
  color: var(--text);
}

.object-number {
  width: 64px;
}

.object-select {
  flex: 1 1 auto;
  min-width: 0;
}

.object-slider {
  flex: 1 1 auto;
  min-width: 0;
}

.object-none {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--text-dim);
}

/* ---- AI Mask tool: mask-brush Properties panel ---- */
.mask-panel[hidden] {
  display: none;
}

.mask-clear-btn {
  margin-top: 4px;
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  color: var(--text);
  background: var(--bg-hover);
}

/* ---- Properties-panel Generate affordance (mask non-empty) ---- */
.ai-generate-affordance {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.ai-generate-affordance[hidden] {
  display: none;
}

.ai-generate-btn {
  width: 100%;
  padding: 6px 12px;
  border: 1px solid #1177bb;
  border-radius: 3px;
  cursor: pointer;
  color: #fff;
  background: #1177bb;
  font-weight: 600;
}

/* ---- Straighten session Properties panel ---- */
.straighten-panel[hidden] {
  display: none;
}

.straighten-heading {
  color: var(--text);
  font-weight: 600;
  margin-bottom: 10px;
}

.straighten-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.straighten-slider {
  flex: 1 1 auto;
  min-width: 0;
}

.straighten-number {
  width: 60px;
}

.straighten-readout {
  margin-bottom: 12px;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.straighten-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.straighten-btn {
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  color: var(--text);
  background: var(--bg-hover);
}

.straighten-btn.primary {
  background: #1177bb;
  border-color: #1177bb;
  color: #fff;
}

/* ---- AI variant-picker session panel ---- */
.ai-panel[hidden] {
  display: none;
}

.ai-panel-heading {
  color: var(--text);
  font-weight: 600;
  margin-bottom: 10px;
}

.ai-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 10px;
}

.ai-field-label {
  color: var(--text-dim);
  font-size: 12px;
}

.ai-prompt {
  resize: vertical;
  width: 100%;
  box-sizing: border-box;
}

/* Prompt-required helper line (generate-in-selection / generate). */
.ai-field-help {
  color: var(--text-dim);
  font-size: 11px;
  margin: -6px 0 10px;
}

.ai-field-help[hidden] {
  display: none;
}

/* Generate Image dialog helper + resolved-size + cost lines. */
.dialog-help,
.generate-resolved,
.generate-cost {
  color: var(--text-dim);
  font-size: 12px;
  margin: 4px 0;
}

.generate-prompt {
  resize: vertical;
  width: 100%;
  box-sizing: border-box;
}

.generate-size-section {
  margin: 8px 0;
}

.ai-select {
  width: 100%;
}

.ai-cost {
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
  margin-bottom: 10px;
}

.ai-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-bottom: 10px;
}

.ai-flight {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
  color: var(--text-dim);
}

.ai-flight[hidden] {
  display: none;
}

.ai-btn {
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  color: var(--text);
  background: var(--bg-hover);
}

.ai-btn.primary {
  background: #1177bb;
  border-color: #1177bb;
  color: #fff;
}

.ai-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

.ai-filmstrip {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.ai-thumb {
  border: 2px solid transparent;
  border-radius: 3px;
  cursor: pointer;
  line-height: 0;
}

.ai-thumb.selected {
  border-color: #1177bb;
}

.toast-clickable {
  cursor: pointer;
}

/* ---- Status bar ---- */
.statusbar {
  display: flex;
  align-items: center;
  gap: 18px;
  height: var(--statusbar-h);
  min-height: var(--statusbar-h);
  padding: 0 12px;
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 12px;
}

/* ---- Dialogs (native <dialog> + showModal) ---- */
.app-dialog {
  min-width: 320px;
  max-width: 90vw;
  padding: 0;
  color: var(--text);
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
}

.app-dialog::backdrop {
  background: rgba(0, 0, 0, 0.5);
}

.app-dialog form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px 18px;
}

.dialog-title {
  font-weight: 600;
  font-size: 14px;
}

.dialog-message {
  line-height: 1.4;
}

.dialog-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.dialog-field .field-label {
  color: var(--text-dim);
}

.dialog-field .field-input {
  width: 140px;
  padding: 4px 6px;
  color: var(--text);
  background: var(--bg-canvas);
  border: 1px solid var(--border);
  border-radius: 3px;
  font-size: 13px;
}

.dialog-field input[type="color"] {
  width: 44px;
  height: 26px;
  padding: 1px;
  cursor: pointer;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 4px;
}

.dialog-btn {
  padding: 5px 14px;
  color: var(--text);
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  font-size: 13px;
}

.dialog-btn:hover {
  background: #4a4a4a;
}

.dialog-btn.primary {
  background: var(--bg-active);
  border-color: #1177bb;
}

.dialog-btn.primary:hover {
  background: #0a5a8f;
}

/* ---- Remove Background (AI) engine-choice dialog ---- */
.bg-ai-dialog {
  min-width: 380px;
  max-width: 440px;
}

.bg-ai-option {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  padding: 9px 10px;
  margin: 6px 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
}

.bg-ai-option.disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.bg-ai-option input[type='radio'] {
  margin-top: 2px;
}

.bg-ai-option-body {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.bg-ai-option-head {
  display: flex;
  align-items: center;
  gap: 8px;
}

.bg-ai-option-label {
  font-size: 13px;
  font-weight: 600;
}

.bg-ai-badge {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 1px 6px;
  border-radius: 8px;
  background: var(--bg-active);
  color: #fff;
}

.bg-ai-caveat {
  font-size: 12px;
  color: var(--text-dim, #b0b0b0);
}

.bg-ai-reason {
  font-size: 11px;
  color: #e0a030;
}

/* ---- Export dialog ---- */
.export-dialog {
  min-width: 340px;
}

.export-formats {
  flex-wrap: wrap;
}

.export-format-opt {
  display: flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  font-size: 13px;
}

.export-quality {
  flex: 1;
}

.export-quality-val {
  width: 28px;
  text-align: right;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

.export-dims,
.export-size {
  color: var(--text-dim);
  font-size: 12px;
}

.dialog-field[hidden] {
  display: none;
}

/* ---- Canvas Size dialog ---- */
.canvas-size-dialog {
  min-width: 320px;
}

.canvas-size-current {
  color: var(--text-dim);
  font-size: 12px;
}

.canvas-size-anchor-label {
  margin-top: 2px;
}

.canvas-size-anchor-grid {
  display: grid;
  grid-template-columns: repeat(3, 30px);
  grid-template-rows: repeat(3, 30px);
  gap: 3px;
  align-self: center;
}

.anchor-cell {
  width: 30px;
  height: 30px;
  background: var(--bg-canvas);
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
}

.anchor-cell:hover {
  background: var(--bg-hover);
}

.anchor-cell.selected {
  background: var(--bg-active);
  border-color: #1177bb;
}

.canvas-size-color-opts {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.canvas-size-color-opt {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  font-size: 13px;
}

.canvas-size-custom-color {
  width: 40px;
  height: 24px;
  padding: 1px;
  cursor: pointer;
}

/* ---- Image Size dialog ---- */
.image-size-dialog {
  min-width: 320px;
}

.image-size-current,
.image-size-new,
.image-size-mem {
  color: var(--text-dim);
  font-size: 12px;
}

.image-size-lock-row {
  display: flex;
  justify-content: flex-start;
}

.image-size-lock {
  padding: 4px 10px;
  color: var(--text);
  background: var(--bg-canvas);
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  font-size: 12px;
}

.image-size-lock.locked {
  background: var(--bg-active);
  border-color: #1177bb;
}

.image-size-validation {
  color: #e06c6c;
  font-size: 12px;
}

.image-size-validation[hidden] {
  display: none;
}

/* ---- Settings dialog (API keys) ---- */
.settings-dialog {
  min-width: 380px;
  max-width: 460px;
}

.settings-provider {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px 0;
  border-top: 1px solid var(--border);
}

.settings-provider-name {
  font-weight: 600;
  font-size: 13px;
}

.settings-key-row {
  display: flex;
  gap: 8px;
}

.settings-key-input {
  flex: 1;
  width: auto;
}

.settings-session {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-dim);
  font-size: 12px;
  cursor: pointer;
}

.settings-key-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.settings-test-result {
  font-size: 12px;
  color: var(--text-dim);
}

.settings-test-result.ok {
  color: #5fbf6f;
}

.settings-test-result.err {
  color: #e06c6c;
}

.settings-caveat {
  color: var(--text-dim);
  font-size: 11px;
  line-height: 1.4;
}

/* Defaults section (Phase 5): default-provider radios + per-provider models. */
.settings-default-provider {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.settings-radio {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  cursor: pointer;
}

.settings-model-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.settings-field-label {
  font-size: 12px;
  color: var(--text-dim);
  min-width: 110px;
}

.settings-model-select {
  flex: 1;
  width: auto;
}

/* Status-bar "no AI keys" affordance. */
.status-ai-hint {
  margin-left: auto;
  color: var(--text-dim);
  cursor: pointer;
}

.status-ai-hint:hover {
  color: var(--text);
}

.status-ai-hint[hidden] {
  display: none;
}

/* ---- Toasts (non-modal, stacking) ---- */
.toast-container {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  max-width: 320px;
  padding: 9px 14px;
  color: var(--text);
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--text-dim);
  border-radius: 4px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
  font-size: 13px;
  line-height: 1.35;
  cursor: pointer;
  pointer-events: auto;
}

.toast-error {
  border-left-color: #e05252;
}

.toast-info {
  border-left-color: #1177bb;
}

/* ---- Generative Expand dialog (classes shared with Generate Image's preset
   grid). Mirrors the Canvas Size dialog's anchor-grid treatment. ---- */
.expand-current {
  color: var(--text-dim);
  font-size: 12px;
}

.expand-anchor-label {
  margin-top: 2px;
}

.expand-anchor-grid {
  display: grid;
  grid-template-columns: repeat(3, 30px);
  grid-template-rows: repeat(3, 30px);
  gap: 3px;
  align-self: center;
}

.expand-preset-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 6px 0;
}

.expand-preset {
  padding: 4px 10px;
  color: var(--text);
  background: var(--bg-canvas);
  border: 1px solid var(--border);
  border-radius: 3px;
  font-size: 12px;
  cursor: pointer;
}

.expand-preset:hover {
  background: var(--bg-hover);
}

.expand-preset.selected {
  background: var(--bg-active);
  border-color: #1177bb;
}

.expand-num {
  width: 70px;
}

.expand-cost {
  color: var(--text-dim);
  font-size: 12px;
  margin: 4px 0;
}

.expand-validation {
  color: var(--text-dim);
  font-size: 12px;
  min-height: 16px;
}

.expand-validation.error {
  color: #e06c6c;
}

.expand-lock {
  gap: 6px;
}

.expand-preview {
  display: block;
  margin: 8px auto;
  background: var(--bg-canvas);
  border: 1px solid var(--border);
  border-radius: 3px;
}

/* ---- Generative Expand tool panel ---- */
.expand-tool-panel {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* The class's display: flex would override the UA's [hidden] rule. */
.expand-tool-panel[hidden] {
  display: none;
}

.expand-tool-readout {
  font-size: 12px;
  color: var(--text);
}

.expand-tool-hint {
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.4;
}

.expand-tool-actions {
  justify-content: flex-start;
}