*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f5f4f0;
  --surface: #ffffff;
  --border: rgba(0,0,0,0.1);
  --border-md: rgba(0,0,0,0.18);
  --text: #111;
  --text-muted: #666;
  --text-hint: #999;
  --accent: #111;
  --radius: 10px;
  --radius-sm: 6px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1a18;
    --surface: #242422;
    --border: rgba(255,255,255,0.08);
    --border-md: rgba(255,255,255,0.15);
    --text: #f0ede6;
    --text-muted: #999;
    --text-hint: #666;
    --accent: #f0ede6;
  }
}

body {
  font-family: 'IBM Plex Sans', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
}

/* ── Screen config ── */
#screenConfig { display: block; }
#screenPrint   { display: none; }

.screen { max-width: 680px; margin: 0 auto; padding: 2rem 1.5rem; }

header { margin-bottom: 2rem; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo h1 { font-size: 17px; font-weight: 600; letter-spacing: -0.3px; }
.logo p  { font-size: 12px; color: var(--text-muted); margin-top: 1px; }

h2 { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.6px; color: var(--text-muted); margin-bottom: 16px; }

.card {
  background: var(--surface);
  border: 0.5px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
}

.field-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }

.field label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.field input,
.field select {
  width: 100%;
  padding: 8px 10px;
  font-size: 15px;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 600;
  border: 0.5px solid var(--border-md);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  transition: border-color 0.15s;
}
.field select { font-family: 'IBM Plex Sans', sans-serif; font-size: 13px; font-weight: 500; }
.field input:focus, .field select:focus { outline: none; border-color: var(--accent); }

.info-bar { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0 16px; }

.badge {
  font-size: 11px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 99px;
  border: 0.5px solid var(--border);
  background: var(--bg);
  color: var(--text-muted);
}
.badge.ok { background: #EAF3DE; color: #2d5a0e; border-color: #97C459; }
.badge.warn { background: #FAEEDA; color: #633806; border-color: #EF9F27; }

.btn-primary {
  display: block;
  width: 100%;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3px;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s;
}
.btn-primary:hover { opacity: 0.85; }
.btn-primary:active { transform: scale(0.985); }

.btn-ghost {
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 500;
  background: none;
  border: 0.5px solid var(--border-md);
  border-radius: var(--radius-sm);
  color: var(--text);
  cursor: pointer;
}
.btn-ghost:hover { background: var(--bg); }

.btn-link {
  background: none; border: none; cursor: pointer;
  font-size: 11px; color: var(--text-hint);
  text-decoration: underline; margin-top: 10px;
  padding: 0;
}

/* ── History ── */
.history-list { display: flex; flex-direction: column; gap: 4px; }
.history-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px;
  border: 0.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
}
.h-mono { font-family: 'IBM Plex Mono', monospace; font-size: 12px; font-weight: 600; min-width: 170px; }
.h-meta { font-size: 11px; color: var(--text-muted); flex: 1; }

/* ── Print Toolbar ── */
.print-toolbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 1.5rem;
  background: var(--surface);
  border-bottom: 0.5px solid var(--border);
}
.print-toolbar span {
  flex: 1;
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
}

/* ── Label Grid (screen) ── */
.label-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 1.5rem;
}

/* ── Single Label ── */
.label {
  width: 192px;
  height: 72px;
  background: white;
  border: 0.5px solid #bbb;
  border-radius: 4px;
  display: flex;
  align-items: center;
  padding: 4px 7px;
  gap: 7px;
  position: relative;
  cursor: default;
  overflow: hidden;
}

.label canvas { display: block; flex-shrink: 0; }

.label-body { min-width: 0; flex: 1; }
.label-asn {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11.5px;
  font-weight: 700;
  color: #111;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.label-sub { font-size: 8.5px; color: #555; margin-top: 2px; line-height: 1.4; }
.label-idx {
  position: absolute;
  top: 2px; right: 4px;
  font-size: 7.5px;
  color: #bbb;
  font-family: 'IBM Plex Mono', monospace;
}

/* Error state */
.error-box {
  background: #FCEBEB;
  border: 0.5px solid #F09595;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  color: #A32D2D;
  margin-bottom: 12px;
}

/* ── PRINT ── */
@media print {
  @page {
    size: 51mm 19mm;
    margin: 0;
  }

  html, body { background: white; }

  .no-print { display: none !important; }

  #screenConfig { display: none !important; }
  #screenPrint  { display: block !important; }

  .print-toolbar { display: none !important; }

  .label-grid {
    padding: 0;
    gap: 0;
  }

  .label {
    width: 51mm;
    height: 19mm;
    border: none;
    border-radius: 0;
    margin: 0;
    page-break-after: always;
    break-after: page;
  }
  .label:last-child { page-break-after: avoid; }

  .label-idx { display: none; }
  .label-asn { color: black !important; }
  .label-sub { color: #444 !important; }
}