/* Windows 10 Form Style UI */
:root {
  --win-bg: #f0f0f0;
  --win-border: #cccccc;
  --win-hover: #e5f1fb;
  --win-hover-border: #0078d7;
  --win-active: #cce4f7;
  --win-text: #000000;
  --panel-width: 250px;
}

* {
  box-sizing: border-box;
  font-family: "Segoe UI", Meiryo, system-ui, sans-serif;
  user-select: none;
}

body {
  margin: 0;
  padding: 0;
  /* Default transparent for OBS Browser Source */
  background-color: transparent;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* When green screen is active */
body.green-screen {
  background-color: #00FF00;
}

/* Toolbar styling (Win10 Ribbon / ToolStrip style) */
#toolbar {
  background-color: var(--win-bg);
  border-bottom: 1px solid var(--win-border);
  padding: 4px 8px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
  z-index: 100;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 2px;
  padding-right: 8px;
  border-right: 1px solid var(--win-border);
  height: 32px;
}
.toolbar-group:last-child {
  border-right: none;
}

.tool-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--win-text);
  padding: 4px 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  height: 28px;
}

.tool-btn .material-symbols-outlined {
  font-size: 18px;
}

.tool-btn:hover {
  background-color: var(--win-hover);
  border-color: var(--win-hover-border);
}

.tool-btn:active, .tool-btn.active {
  background-color: var(--win-active);
  border-color: var(--win-hover-border);
}

.tool-label {
  font-size: 12px;
  margin-right: 4px;
  color: var(--win-text);
}

input[type="range"] {
  width: 80px;
}

input[type="color"] {
  border: 1px solid var(--win-border);
  padding: 0;
  width: 24px;
  height: 24px;
  cursor: pointer;
}

/* Main Area Layout */
#main-area {
  display: flex;
  flex: 1;
  width: 100%;
  height: calc(100vh - 41px); /* minus toolbar */
}

/* Canvas Area */
#canvas-wrapper {
  flex: 1;
  width: 100%;
  height: 100%;
  overflow: auto;
  background: transparent;
}

#canvas-container {
  position: relative;
  background: transparent; 
  box-shadow: 0 0 5px rgba(0,0,0,0.2);
  margin: 10px; /* some margin so it doesn't touch the edge when scrolled */
}

canvas {
  position: absolute;
  top: 0;
  left: 0;
}

#indicator-canvas {
  pointer-events: none;
}

/* Layer Panel */
#layer-panel {
  width: var(--panel-width);
  background-color: #ffffff;
  border-left: 1px solid var(--win-border);
  display: flex;
  flex-direction: column;
}

#layer-panel.hidden {
  display: none;
}

.panel-header, .panel-footer {
  background-color: var(--win-bg);
  padding: 4px 8px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--win-border);
  justify-content: space-between;
  font-size: 12px;
  font-weight: bold;
}
.panel-footer {
  border-bottom: none;
  border-top: 1px solid var(--win-border);
  justify-content: flex-start;
  gap: 4px;
}

#layer-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px;
  background-color: #ffffff;
}

.layer-item {
  display: flex;
  align-items: center;
  padding: 4px 8px;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 13px;
  margin-bottom: 2px;
}

.layer-item:hover {
  background-color: var(--win-hover);
}

.layer-item.active {
  background-color: var(--win-active);
  border-color: var(--win-hover-border);
}

.layer-visibility {
  cursor: pointer;
  margin-right: 8px;
  color: #555;
  display: flex;
  align-items: center;
}

.layer-visibility .material-symbols-outlined {
  font-size: 18px;
}

.layer-name {
  flex: 1;
}