/*
 * print.css — Label call-number (label punggung buku) dengan QR Code.
 * Susunan: teks call-number di atas, QR Code di bawah.
 * Ukuran default potret 33×55mm. Skala font diatur via --cn-font-scale.
 */

/* ── Variabel ───────────────────────────────────────────────────────────── */
:root {
  --label-width:  33mm;
  --label-height: 55mm;
  --cn-font-scale: 1;          /* diubah oleh tombol A− / A+ */
}
:root[data-label-size="40x65"] { --label-width: 40mm; --label-height: 65mm; }
:root[data-label-size="28x48"] { --label-width: 28mm; --label-height: 48mm; }

/* ── Label call-number (pratinjau layar & cetak) ─────────────────────────── */
.label-item.cn {
  width:  var(--label-width);
  height: var(--label-height);
  box-sizing: border-box;
  display: flex;
  align-items: stretch;
  padding: 1mm;
  border: 0.4mm solid #000;
  background: #fff;
  overflow: hidden;
  font-family: 'Inter', Arial, sans-serif;
  color: #000;
  /* Semua ukuran anak memakai em → satu pengali menskalakan seluruhnya */
  font-size: calc(8pt * var(--cn-font-scale, 1));
}
/* Posisi kode: bawah (kolom) atau kiri (baris) */
.label-item.cn.pos-bottom { flex-direction: column; }
.label-item.cn.pos-left   { flex-direction: row; }

/* Stack teks — sebar vertikal agar ruang kosong minimal */
.label-item.cn .cn-info {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  text-align: center;
  gap: 0.4mm;
}
.label-item.cn .cn-brand {
  font-size: 0.6em;
  font-weight: 600;
  line-height: 1.05;
  width: 100%;
  word-break: break-word;
}
.label-item.cn .cn-wilayah {
  font-size: 0.7em;
  font-weight: 700;
  line-height: 1.05;
  width: 100%;
  word-break: break-word;
}
.label-item.cn .cn-warna {
  width: 100%;
  height: 3.5mm;
  border-radius: 0.6mm;
  border: 0.2mm solid rgba(0,0,0,.25);
}
.label-item.cn .cn-ddc      { font-size: 1.1em;  font-weight: 700; }
.label-item.cn .cn-penulis  { font-size: 1.4em;  font-weight: 700; letter-spacing: 0.06em; }
.label-item.cn .cn-judul    { font-size: 1.0em;  font-weight: 700; }
.label-item.cn .cn-kelas    { font-size: 1.0em;  font-weight: 700; }
.label-item.cn .cn-jc       { font-size: 0.85em; font-weight: 700; }

/* Kolom kode (QR/CODE128 + teks) */
.label-item.cn .cn-qr-col {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.label-item.cn .cn-code {
  font-family: ui-monospace, 'Courier New', monospace;
  font-size: 0.55em;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

/* ── Posisi BAWAH — kode horizontal di bawah call-number ─────────────────── */
.label-item.cn.pos-bottom .cn-qr-col {
  flex-direction: column;
  gap: 0.4mm;
  margin-top: 0.8mm;
}
.label-item.cn.pos-bottom .cn-qr { width: 15mm; height: 15mm; }
.label-item.cn.pos-bottom .cn-qr svg { width: 100%; height: 100%; display: block; }
.label-item.cn.pos-bottom .cn-barcode { width: 100%; display: flex; justify-content: center; }
.label-item.cn.pos-bottom .cn-barcode svg { max-width: 100%; height: auto; display: block; }

/* ── Posisi KIRI — kode vertikal di sisi kiri (dilipat ke belakang buku) ─── */
.label-item.cn.pos-left .cn-qr-col {
  position: relative;             /* acuan untuk pemusatan absolut */
  flex-direction: column;
  width: 11mm;
  padding-right: 0.6mm;
  margin-right: 0.6mm;
  border-right: 0.3mm solid #000;
  /* (base: align-items/justify-content center → memusatkan QR) */
}
/* QR: kotak di tengah kolom kiri */
.label-item.cn.pos-left .cn-qr { width: 9.5mm; height: 9.5mm; }
.label-item.cn.pos-left .cn-qr svg { width: 100%; height: 100%; display: block; }
/* CODE128: diputar 90° (vertikal) & dipusatkan tepat di tengah kolom */
.label-item.cn.pos-left .cn-barcode {
  position: absolute;
  top: 50%;
  left: 50%;
  /* translate berdasar ukuran elemen sendiri → center andal walau lebih lebar dari kolom */
  transform: translate(-50%, -50%) rotate(90deg);
  transform-origin: center;
}
.label-item.cn.pos-left .cn-barcode svg {
  height: 6.5mm;                  /* tebal bar */
  width: auto;                    /* panjang alami → rasio bar terjaga */
  max-width: calc(var(--label-height) - 6mm);
  display: block;
}
/* Teks kode disembunyikan di mode kiri (nilai sudah ada di barcode) */
.label-item.cn.pos-left .cn-code { display: none; }

/* ── Pratinjau layar — grid responsif ────────────────────────────────────── */
.label-preview-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ── @media print — hanya tampilkan area label ───────────────────────────── */
@media print {
  @page {
    margin: 8mm;
    size: A4 portrait;
  }

  body > #app { display: none !important; }
  body > #print-area { display: block !important; }

  #print-area .label-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 3mm;
    width: 100%;
  }
  #print-area .label-item.cn {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}