/* === Reset & Base === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-black: #1a1a1a;
  --color-white: #ffffff;
  --color-yellow: #E67E22;
  --color-yellow-light: #F5CBA7;
  --color-yellow-dark: #CA6F1E;
  --color-gray-100: #f5f5f5;
  --color-gray-200: #e8e8e8;
  --color-gray-300: #d0d0d0;
  --color-gray-500: #888;
  --sidebar-width: 220px;
  --toolbar-height: 48px;
}

html, body {
  height: 100%;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 13px;
  color: var(--color-black);
  background: var(--color-gray-100);
}

.hidden {
  display: none !important;
}

/* === Toolbar === */
#toolbar {
  display: flex;
  align-items: center;
  height: var(--toolbar-height);
  padding: 0 12px;
  background: var(--color-black);
  color: var(--color-white);
  flex-shrink: 0;
}

.app-title {
  font-weight: 700;
  font-size: 15px;
  color: var(--color-yellow);
  letter-spacing: 0.5px;
}

.toolbar-left, .toolbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}

.toolbar-right {
  justify-content: flex-end;
}

.toolbar-center {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
}

.layout-title-group {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  border: 1px solid var(--color-gray-500);
  border-radius: 3px;
  padding: 0 8px;
  transition: border-color 0.15s, background 0.15s;
  box-sizing: border-box;
}

.layout-title-group:hover {
  border-color: var(--color-gray-300);
}

.layout-title-group:focus-within {
  border-color: var(--color-yellow);
  background: var(--color-white);
}

.layout-title-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-gray-500);
  white-space: nowrap;
  user-select: none;
  line-height: 1;
}

.layout-title-input {
  background: transparent;
  border: none;
  color: var(--color-white);
  font-size: 13px;
  font-weight: 600;
  text-align: left;
  outline: none;
  cursor: pointer;
  padding: 0;
  margin: 0;
  height: 20px;
  line-height: 20px;
  min-width: 100px;
  max-width: 240px;
  font-family: inherit;
  transition: color 0.15s;
  display: block;
  box-shadow: none;
}

.layout-title-group:focus-within .layout-title-input {
  color: var(--color-black);
  cursor: text;
  background: transparent;
}

/* Override milligram's default input styles inside the toolbar */
#toolbar input,
#toolbar input:focus {
  margin-bottom: 0;
  box-shadow: none;
}

#toolbar input.layout-title-input,
#toolbar input.layout-title-input:focus {
  border: none;
  border-radius: 0;
  outline: none;
}

#toolbar label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--color-gray-300);
  margin: 0;
}

#toolbar input[type="number"] {
  width: 60px;
  height: 28px;
  padding: 2px 6px;
  margin: 0;
  border: 1px solid var(--color-gray-500);
  border-radius: 3px;
  background: var(--color-black);
  color: var(--color-white);
  font-size: 12px;
  text-align: center;
}

#toolbar input[type="number"]:focus {
  border-color: var(--color-yellow);
  outline: none;
}

#toolbar button {
  height: 30px;
  padding: 0 10px;
  border: 1px solid var(--color-yellow);
  border-radius: 3px;
  background: transparent;
  color: var(--color-yellow);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  margin: 0;
  line-height: 1;
}

#toolbar button:hover {
  background: var(--color-yellow);
  color: var(--color-black);
}

.toolbar-sep {
  width: 1px;
  height: 24px;
  background: var(--color-gray-500);
  margin: 0 4px;
}

/* === Main Layout === */
#main {
  display: flex;
  height: calc(100vh - var(--toolbar-height));
}

/* === Sidebar === */
#sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--color-white);
  border-right: 1px solid var(--color-gray-200);
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

#sidebar h3 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--color-yellow);
  letter-spacing: 0.3px;
}

#sidebar h4 {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--color-gray-500);
  margin: 8px 0 4px;
}

.palette-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.palette-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 6px 4px;
  border: 1px solid var(--color-gray-200);
  border-radius: 4px;
  cursor: grab;
  transition: border-color 0.15s, background 0.15s;
  user-select: none;
}

.palette-item:hover {
  border-color: var(--color-yellow);
  background: var(--color-yellow-light);
}

.palette-item:active {
  cursor: grabbing;
}

.palette-svg {
  width: 48px;
  height: 36px;
}

.palette-item span {
  font-size: 10px;
  color: var(--color-gray-500);
  font-weight: 500;
}

/* === Floating Context Panel (right side of canvas) === */
#context-panel {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 190px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 6px;
  padding: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.10);
  z-index: 10;
}

#context-panel h4 {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-black);
  margin: 0 0 8px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--color-yellow);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.context-fields {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 10px;
}

.context-fields label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--color-gray-500);
  margin: 0;
}

.context-fields input[type="number"],
.context-fields input[type="text"] {
  width: 75px;
  height: 24px;
  padding: 2px 4px;
  margin: 0;
  border: 1px solid var(--color-gray-300);
  border-radius: 3px;
  font-size: 11px;
  text-align: center;
}

.context-fields input:focus {
  border-color: var(--color-yellow);
  outline: none;
}

.context-actions {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.context-actions button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 28px;
  padding: 0 8px;
  margin: 0;
  border: 1px solid var(--color-gray-300);
  border-bottom: 1px solid var(--color-gray-300);
  border-radius: 3px;
  background: var(--color-white);
  color: var(--color-black);
  font-size: 11px;
  font-weight: 500;
  font-family: inherit;
  line-height: 1;
  text-transform: none;
  letter-spacing: normal;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.context-actions button:hover {
  border-color: var(--color-yellow);
  background: var(--color-yellow-light);
}

#ctx-delete:hover,
#ctx-delete-all:hover {
  border-color: #e74c3c;
  background: #fce4e4;
  color: #c0392b;
}

.context-multi-names {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-bottom: 10px;
  max-height: 130px;
  overflow-y: auto;
}

.context-multi-name-item {
  font-size: 11px;
  color: var(--color-black);
  padding: 3px 6px;
  background: var(--color-gray-100);
  border-radius: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* === Floating Zoom Controls === */
#zoom-controls {
  position: absolute;
  bottom: 16px;
  right: 16px;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  overflow: hidden;
}

#zoom-controls button {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--color-black);
  font-size: 18px;
  font-weight: 400;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.12s;
  line-height: 1;
  padding: 0;
  margin: 0;
}

#zoom-controls button:hover {
  background: var(--color-gray-200);
}

#zoom-level {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-gray-500);
  width: 32px;
  text-align: center;
  padding: 2px 0;
  border-top: 1px solid var(--color-gray-200);
  border-bottom: 1px solid var(--color-gray-200);
  user-select: none;
}

/* === Canvas === */
#canvas-container {
  flex: 1;
  overflow: hidden;
  position: relative;
  background: #e2e2e2;
  cursor: default;
}

#canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Dimension labels (SVG units = inches, so font-size is in inches) */
.dim-label {
  font-family: inherit;
  fill: var(--color-black);
  font-weight: 500;
}

/* Room rectangles on canvas */
.room-item {
  cursor: move;
}


.room-item.selected > .room-floor {
  stroke: var(--color-yellow);
  stroke-width: 1;
}

/* Wall band — filled charcoal, no border needed */
.room-outline {
  fill: #5a5a5a;
  stroke: none;
}

/* Warm paper floor inside the walls */
.room-floor {
  fill: #fdf8f3;
}

/* Furniture items on canvas */
.furniture-item {
  cursor: move;
  filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.1));
}

.furniture-item:hover,
.furniture-item.selected {
  filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.22));
}

.furniture-item.selected > .selection-outline {
  stroke: var(--color-yellow);
  stroke-width: 0.5;
  stroke-dasharray: 2 1;
  fill: none;
  pointer-events: none;
}

/* Resize handles */
.resize-handle {
  fill: var(--color-yellow);
  stroke: var(--color-black);
  stroke-width: 0.3;
}

/* Rotation handle */
.rotate-handle {
  fill: var(--color-white);
  stroke: var(--color-yellow);
  stroke-width: 0.4;
  cursor: grab;
}

.rotate-handle:hover {
  fill: var(--color-yellow-light);
}

.rotate-handle-line {
  stroke: var(--color-yellow);
  stroke-width: 0.3;
  stroke-dasharray: 1 1;
}

/* Right-click context menu */
#ctx-menu {
  position: absolute;
  z-index: 20;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 6px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.14);
  padding: 4px 0;
  min-width: 140px;
}

#ctx-menu button {
  display: block;
  width: 100%;
  padding: 6px 14px;
  border: none;
  background: none;
  color: var(--color-black);
  font-size: 12px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
}

#ctx-menu button:hover {
  background: var(--color-yellow-light);
}

#ctx-menu button[data-action="delete"]:hover {
  background: #fce4e4;
  color: #c0392b;
}

/* Scrollbar styling for sidebar */
#sidebar::-webkit-scrollbar {
  width: 5px;
}

#sidebar::-webkit-scrollbar-track {
  background: transparent;
}

#sidebar::-webkit-scrollbar-thumb {
  background: var(--color-gray-300);
  border-radius: 3px;
}