:root {
  --primary-navy: #000010;
  --surface-navy: #00052d;
  --cyan-primary: #1582bf;
  --cyan-hover: #59c7f2;
  --heading: #efefe7;
  --text-primary: #ffffff;
  --text-link: #1582bf;
  --text-link-hover: #59c7f2;
  --border: #03275a;
  --success: #00652f;
  --warning: #f47221;
  --error: #ef4423;
  color-scheme: dark;
  background: var(--primary-navy);
  color: var(--text-primary);
  font-family: Nunito, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow: hidden;
  background: var(--primary-navy);
}

.whiteboard-app {
  height: 100vh;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
}

.toolbar,
.statusbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-navy);
}

.toolbar {
  flex-wrap: wrap;
}

.statusbar {
  min-height: 34px;
  border-top: 1px solid var(--border);
  border-bottom: 0;
  justify-content: space-between;
  color: var(--heading);
  font-size: 12px;
  font-weight: 700;
}

.tool-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

button,
select,
input[type="range"] {
  height: 34px;
  border: 1px solid var(--border);
  background: var(--border);
  color: var(--text-primary);
  font: inherit;
  font-size: 12px;
  font-weight: 800;
}

button {
  min-width: 40px;
  padding: 0 10px;
  cursor: pointer;
}

button:hover,
button.active {
  border-color: var(--cyan-hover);
  background: var(--cyan-primary);
}

button:disabled,
select:disabled,
input:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.canvas-shell {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: var(--heading);
}

canvas {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  cursor: crosshair;
  background: var(--text-primary);
}

.cursor-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
}

.remote-cursor-label {
  position: absolute;
  max-width: 220px;
  transform: translate(20px, 8px);
  padding: 5px 9px;
  border-left: 4px solid var(--accent);
  background: rgba(0, 0, 16, 0.82);
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.inline-editor {
  position: absolute;
  z-index: 4;
  width: min(260px, calc(100% - 24px));
  display: none;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--border);
  background: var(--surface-navy);
}

.inline-editor.open {
  display: grid;
}

.inline-editor textarea {
  min-height: 70px;
  resize: vertical;
  border: 1px solid var(--border);
  background: var(--border);
  color: var(--text-primary);
  font: inherit;
  font-size: 13px;
  padding: 7px;
}

.swatch {
  min-width: 30px;
  width: 30px;
  padding: 0;
}

.swatch[data-color="#1582bf"] { background: #1582bf; }
.swatch[data-color="#59c7f2"] { background: #59c7f2; color: var(--primary-navy); }
.swatch[data-color="#00652f"] { background: #00652f; }
.swatch[data-color="#f47221"] { background: #f47221; }
.swatch[data-color="#ef4423"] { background: #ef4423; }
.swatch[data-color="#000010"] { background: #000010; }

.viewer-badge {
  border: 1px solid var(--border);
  padding: 6px 8px;
  color: var(--heading);
  font-size: 12px;
  font-weight: 800;
}

.hint {
  color: var(--heading);
  font-size: 12px;
  font-weight: 800;
}

@media (max-width: 760px) {
  .toolbar {
    max-height: 142px;
    overflow-y: auto;
  }

  button,
  select,
  input[type="range"] {
    height: 38px;
  }
}