:root {
  color-scheme: light dark;

  /* Palette matched to digital.medpark.md/scanner/ (teal / gray, Tailwind-style) */
  --bg: #f9fafb;
  --panel-bg: #ffffff;
  --border: #e5e7eb;
  --input-border: #d1d5db;
  --text: #111827;
  --text-label: #374151;
  --text-muted: #6b7280;

  --accent: #0d9488;
  --accent-hover: #0f766e;
  --accent-contrast: #ffffff;
  --accent-soft-bg: #f0fdfa;
  --accent-soft-border: #99f6e4;

  --danger: #b91c1c;
  --danger-bg: #fef2f2;
  --danger-border: #fecaca;

  --warn: #b45309;
  --warn-bg: #fffbeb;
  --warn-border: #fde68a;

  --radius-lg: 0.75rem;
  --radius-md: 0.5rem;
  --radius-sm: 0.25rem;

  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --panel-bg: #1a1d23;
    --border: #2c3038;
    --input-border: #3a3f49;
    --text: #e7e9ec;
    --text-label: #cbd2db;
    --text-muted: #9aa1ac;

    --accent: #14b8a6;
    --accent-hover: #2dd4bf;
    --accent-contrast: #06201c;
    --accent-soft-bg: #0d2b28;
    --accent-soft-border: #115e56;

    --danger: #f87171;
    --danger-bg: #2a1414;
    --danger-border: #7f1d1d;

    --warn: #fbbf24;
    --warn-bg: #2a2110;
    --warn-border: #78350f;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  background: var(--accent);
  color: #fff;
  padding: 1rem 1.5rem;
}
.topbar h1 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
}
.subtitle {
  margin: 0.25rem 0 0;
  color: var(--accent-soft-border);
  font-size: 0.8125rem;
}

.layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 1rem;
  padding: 1.5rem 1.5rem 0;
  align-items: start;
  max-width: 84rem;
  margin: 0 auto;
}

.page-section {
  max-width: 84rem;
  margin: 0 auto;
  padding: 1rem 1.5rem 0;
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

.panel {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.05);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.panel-header h2, .panel-header h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}
.panel-header h3 { font-size: 0.8125rem; color: var(--text-label); text-transform: uppercase; letter-spacing: 0.02em; }

.btn-row {
  display: flex;
  gap: 0.625rem;
  flex-wrap: wrap;
  align-items: center;
}

.btn {
  font: inherit;
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.625rem 1.125rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  background: var(--accent);
  color: var(--accent-contrast);
  transition: background-color 0.15s ease;
}
.btn:hover:not(:disabled) { background: var(--accent-hover); }
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.btn-ghost {
  background: var(--panel-bg);
  color: var(--text-label);
  border-color: var(--input-border);
}
.btn-ghost:hover:not(:disabled) { background: var(--bg); }
.btn-primary {
  font-weight: 600;
}

#eplInput {
  width: 100%;
  min-height: 420px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.86rem;
  line-height: 1.35;
  padding: 0.75rem 0.875rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--input-border);
  background: var(--bg);
  color: var(--text);
  white-space: pre;
  overflow: auto;
}
#eplInput:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgb(13 148 136 / 0.2);
}

.meta-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--text-muted);
}
.copy-status { color: var(--accent-hover); font-weight: 600; }

.messages {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  max-height: 220px;
  overflow-y: auto;
}
.msg {
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-label);
}
.msg-info { background: var(--accent-soft-bg); border-color: var(--accent-soft-border); color: var(--accent-hover); }
.msg-warn { background: var(--warn-bg); border-color: var(--warn-border); color: var(--warn); }
.msg-error { background: var(--danger-bg); border-color: var(--danger-border); color: var(--danger); }

label, .inline-field span {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-label);
}

.inline-field {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--text-label);
}
.inline-field.grow { flex: 1; min-width: 10rem; }
.inline-field select, .inline-field input[type="number"] {
  padding: 0.4rem 0.55rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--input-border);
  background: var(--panel-bg);
  color: var(--text);
  font: inherit;
}
.inline-field select:focus, .inline-field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgb(13 148 136 / 0.2);
}
.inline-field select { flex: 1; }

.canvas-wrap {
  background:
    linear-gradient(45deg, #00000008 25%, transparent 25%),
    linear-gradient(-45deg, #00000008 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #00000008 75%),
    linear-gradient(-45deg, transparent 75%, #00000008 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  overflow: auto;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  min-height: 200px;
}
#labelCanvas {
  background: #fff;
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.15);
  image-rendering: pixelated;
}

.label-info {
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-align: center;
}

.checkbox-field {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text);
}
.checkbox-field.small { font-size: 0.8125rem; color: var(--text-muted); }
.checkbox-field input[type="checkbox"] { accent-color: var(--accent); }

.test-data,
.paper-size {
  border-top: 1px dashed var(--border);
  padding-top: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.paper-size-row {
  display: flex;
  gap: 0.625rem;
  flex-wrap: wrap;
  align-items: flex-end;
}
.legend-swatch {
  display: inline-block;
  width: 0.9em;
  height: 0.9em;
  border-radius: 2px;
  vertical-align: -0.1em;
  margin-right: 0.3em;
}
.test-data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.5rem;
}
.test-data-grid label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}
.test-data-grid input {
  padding: 0.45rem 0.6rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--input-border);
  background: var(--panel-bg);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-weight: 400;
}
.test-data-grid input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgb(13 148 136 / 0.2);
}

.qz-status {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}
.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #9ca3af;
  display: inline-block;
}
.dot.ok { background: var(--accent); }
.dot.err { background: var(--danger); }
.dot.pending { background: var(--warn); }

.hint {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}
.hint a { color: var(--accent-hover); }

.print-controls {
  display: flex;
  gap: 0.625rem;
  flex-wrap: wrap;
  align-items: flex-end;
}

.footer {
  max-width: 84rem;
  margin: 0 auto;
  padding: 0 1.5rem 2rem;
  color: var(--text-muted);
  font-size: 0.8125rem;
  line-height: 1.6;
}