:root {
  font-family: Inter, Arial, sans-serif;
  color-scheme: dark;
}

body {
  margin: 0;
  background: #111;
  color: #f1f1f1;
}

.viewer-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  background: #1a1a1a;
  border-bottom: 1px solid #2f2f2f;
}

.spacer {
  flex: 1;
}

.viewer-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  touch-action: pan-y;
}

canvas {
  max-width: 100%;
  max-height: calc(100vh - 48px);
  background: #222;
}

.hidden {
  display: none;
}

.btn {
  background: #0d6efd;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 8px 12px;
  cursor: pointer;
}

.btn:hover {
  background: #0b5ed7;
}

.admin-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  gap: 16px;
}

.panel {
  background: #1a1a1a;
  border: 1px solid #333;
  border-radius: 8px;
  padding: 16px;
  display: grid;
  gap: 10px;
}

input[type='password'],
input[type='number'],
input[type='file'] {
  background: #111;
  border: 1px solid #333;
  color: #f1f1f1;
  border-radius: 6px;
  padding: 8px;
}

.checkbox-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

pre {
  white-space: pre-wrap;
  word-break: break-word;
}