/* GIMP-like layout */
* {
  box-sizing: border-box;
}

html, body, #root {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
}

.app {
  height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: #1a1a1a;
  color: #e0e0e0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Header / Menu bar */
.menu-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #2d2d2d;
  border-bottom: 1px solid #404040;
  padding: 4px 12px;
  height: 36px;
  flex-shrink: 0;
}

.menu-bar h1 {
  font-size: 14px;
  font-weight: 600;
  margin: 0;
  color: #fff;
}

.menu-actions {
  display: flex;
  gap: 8px;
}

.menu-btn {
  background: #404040;
  border: none;
  color: #e0e0e0;
  padding: 4px 12px;
  font-size: 12px;
  border-radius: 3px;
  cursor: pointer;
}

.menu-btn:hover {
  background: #505050;
}

.menu-btn.primary {
  background: #0066cc;
}

.menu-btn.primary:hover {
  background: #0077ee;
}

/* Main workspace */
.workspace {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

/* Left toolbar - GIMP style vertical tools */
.toolbar {
  width: 48px;
  background-color: #2d2d2d;
  border-right: 1px solid #404040;
  display: flex;
  flex-direction: column;
  padding: 4px;
  gap: 2px;
  flex-shrink: 0;
}

.tool-btn {
  width: 40px;
  height: 40px;
  background: transparent;
  border: 2px solid transparent;
  border-radius: 4px;
  color: #b0b0b0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: all 0.15s;
}

.tool-btn:hover {
  background: #404040;
  color: #fff;
}

.tool-btn.active {
  background: #0066cc;
  border-color: #0088ff;
  color: #fff;
}

.tool-btn[title]:hover::after {
  content: attr(title);
  position: absolute;
  left: 52px;
  background: #000;
  color: #fff;
  padding: 4px 8px;
  border-radius: 3px;
  font-size: 11px;
  white-space: nowrap;
  z-index: 100;
}

.tool-divider {
  height: 1px;
  background: #404040;
  margin: 4px 0;
}

/* Canvas area - main editing space */
.canvas-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: #1a1a1a;
  position: relative;
}

.canvas-wrapper {
  flex: 1;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(45deg, #252525 25%, transparent 25%),
    linear-gradient(-45deg, #252525 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #252525 75%),
    linear-gradient(-45deg, transparent 75%, #252525 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  background-color: #1e1e1e;
}

/* Canvas status bar */
.canvas-status {
  height: 24px;
  background: #2d2d2d;
  border-top: 1px solid #404040;
  display: flex;
  align-items: center;
  padding: 0 12px;
  font-size: 11px;
  color: #888;
  gap: 20px;
}

.zoom-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.zoom-btn {
  background: #404040;
  border: none;
  color: #e0e0e0;
  width: 24px;
  height: 20px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 14px;
}

.zoom-btn:hover {
  background: #505050;
}

.zoom-level {
  min-width: 50px;
  text-align: center;
}

/* Right sidebar */
.sidebar {
  width: 280px;
  background-color: #2d2d2d;
  border-left: 1px solid #404040;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  flex-shrink: 0;
}

.sidebar-panel {
  border-bottom: 1px solid #404040;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: #353535;
  cursor: pointer;
  user-select: none;
}

.panel-header h3 {
  font-size: 12px;
  font-weight: 600;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.panel-toggle {
  font-size: 10px;
  color: #888;
}

.panel-content {
  padding: 12px;
}

.panel-content.collapsed {
  display: none;
}

/* Form controls */
.control-group {
  margin-bottom: 12px;
}

.control-group:last-child {
  margin-bottom: 0;
}

.control-label {
  display: block;
  font-size: 11px;
  color: #888;
  margin-bottom: 4px;
  text-transform: uppercase;
}

.control-row {
  display: flex;
  gap: 4px;
}

.mode-btn {
  flex: 1;
  padding: 6px 8px;
  background: #404040;
  border: 1px solid #505050;
  color: #e0e0e0;
  font-size: 11px;
  border-radius: 3px;
  cursor: pointer;
}

.mode-btn:hover {
  background: #505050;
}

.mode-btn.active {
  background: #0066cc;
  border-color: #0088ff;
}

input[type="range"] {
  width: 100%;
  height: 4px;
  background: #404040;
  border-radius: 2px;
  outline: none;
  -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: #0088ff;
  border-radius: 50%;
  cursor: pointer;
}

textarea {
  width: 100%;
  background: #1a1a1a;
  border: 1px solid #404040;
  border-radius: 3px;
  color: #e0e0e0;
  padding: 8px;
  font-size: 12px;
  resize: vertical;
  min-height: 60px;
}

textarea:focus {
  border-color: #0088ff;
  outline: none;
}

.action-btn {
  width: 100%;
  padding: 10px;
  background: #0066cc;
  border: none;
  color: white;
  font-size: 12px;
  font-weight: 600;
  border-radius: 3px;
  cursor: pointer;
  text-transform: uppercase;
}

.action-btn:hover:not(:disabled) {
  background: #0077ee;
}

.action-btn:disabled {
  background: #404040;
  color: #666;
  cursor: not-allowed;
}

.action-btn.secondary {
  background: #404040;
}

.action-btn.secondary:hover:not(:disabled) {
  background: #505050;
}

.action-btn.danger {
  background: #cc3333;
}

.action-btn.danger:hover:not(:disabled) {
  background: #dd4444;
}

/* Error banner */
.error-banner {
  background-color: #cc3333;
  color: white;
  padding: 8px 12px;
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.error-banner button {
  background: none;
  border: none;
  color: white;
  font-size: 16px;
  cursor: pointer;
  padding: 0;
}

/* Project setup modal */
.project-setup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.project-setup {
  background: #2d2d2d;
  border: 1px solid #404040;
  border-radius: 8px;
  padding: 24px;
  width: 400px;
  max-width: 90vw;
}

.project-setup h2 {
  font-size: 18px;
  margin: 0 0 20px 0;
  text-align: center;
}

.setup-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 12px;
  color: #888;
  text-transform: uppercase;
}

.form-group input[type="text"],
.form-group input[type="file"] {
  background: #1a1a1a;
  border: 1px solid #404040;
  border-radius: 3px;
  color: #e0e0e0;
  padding: 10px;
  font-size: 14px;
}

.form-group input[type="text"]:focus {
  border-color: #0088ff;
  outline: none;
}

.file-name {
  font-size: 11px;
  color: #0088ff;
}

.create-project-btn {
  background: #0066cc;
  border: none;
  color: white;
  padding: 12px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 3px;
  cursor: pointer;
  margin-top: 8px;
}

.create-project-btn:hover:not(:disabled) {
  background: #0077ee;
}

.create-project-btn:disabled {
  background: #404040;
  color: #666;
}

/* Layer list */
.layer-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.layer-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  background: #353535;
  border-radius: 3px;
  cursor: pointer;
}

.layer-item:hover {
  background: #404040;
}

.layer-item.active {
  background: #0066cc;
}

.layer-visibility {
  width: 16px;
  height: 16px;
  background: none;
  border: none;
  color: #888;
  cursor: pointer;
  padding: 0;
  font-size: 12px;
}

.layer-visibility.visible {
  color: #0088ff;
}

.layer-name {
  flex: 1;
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* History list */
.history-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 200px;
  overflow-y: auto;
}

.history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  background: #353535;
  border-radius: 3px;
  font-size: 11px;
}

.history-item:hover {
  background: #404040;
}

.history-item.current {
  background: #0066cc;
}

.history-item-actions {
  display: flex;
  gap: 4px;
}

.history-btn {
  background: #505050;
  border: none;
  color: #e0e0e0;
  padding: 2px 8px;
  font-size: 10px;
  border-radius: 2px;
  cursor: pointer;
}

.history-btn:hover {
  background: #606060;
}

/* Eye catalog */
.eye-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.eye-item {
  aspect-ratio: 1;
  background: #353535;
  border: 2px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  overflow: hidden;
}

.eye-item:hover {
  border-color: #0088ff;
}

.eye-item.selected {
  border-color: #0088ff;
}

.eye-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Processing overlay */
.processing-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.processing-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid #404040;
  border-top-color: #0088ff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Slider with value */
.slider-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.slider-row input[type="range"] {
  flex: 1;
}

.slider-value {
  font-size: 11px;
  color: #0088ff;
  min-width: 35px;
  text-align: right;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
  background: #404040;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #505050;
}