:root {
  --ink: #202124;
  --muted: #5f6368;
  --line: #d8dde3;
  --paper: #ffffff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: #e9edf2;
  font-family: "Malgun Gothic", "Yu Gothic", "Microsoft YaHei", sans-serif;
}
.copy-app { max-width: 1180px; margin: 0 auto; padding: 18px; }
.toolbar {
  display: grid;
  grid-template-columns: 220px 1fr auto;
  gap: 14px;
  align-items: end;
  margin-bottom: 18px;
  padding: 14px;
  border: 1px solid var(--line);
  background: #fff;
}
.brand h1 { margin: 0; font-size: 20px; }
.brand p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.controls { display: grid; grid-template-columns: repeat(6, minmax(92px, 1fr)); gap: 8px; align-items: end; }
label { display: grid; gap: 4px; font-size: 12px; color: var(--muted); }
input, select, button { height: 34px; border: 1px solid var(--line); background: #fff; color: var(--ink); font: inherit; padding: 0 8px; }
button { cursor: pointer; font-weight: 700; }
.actions { display: grid; gap: 8px; }
.check { display: flex; align-items: center; gap: 6px; height: 34px; }
.check input { width: 16px; height: 16px; }
.paper {
  width: 210mm;
  min-height: 297mm;
  margin: 0 auto;
  padding: 12mm 10mm 8mm;
  background: var(--paper);
  box-shadow: 0 4px 18px rgba(32,33,36,.12);
  display: flex;
  flex-direction: column;
}
.paper-head { border-bottom: 2px solid var(--ink); padding-bottom: 7px; margin-bottom: 8px; }
.paper-head h2 { margin: 0; font-size: 20px; }
.paper-head p { margin: 2px 0 0; color: var(--muted); font-size: 11px; }
.practice-rows { display: grid; gap: 6px; flex: 1; }
.practice-row { display: grid; grid-template-columns: 26mm 1fr; gap: 6px; align-items: stretch; break-inside: avoid; }
.info { border: 1px solid var(--line); padding: 5px; display: grid; align-content: center; gap: 3px; }
.info .main { font-size: 24px; font-weight: 700; text-align: center; line-height: 1; }
.info .meta { font-size: 10px; color: var(--muted); line-height: 1.25; overflow-wrap: anywhere; }
.cells { display: grid; gap: 4px; }
.cells.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cells.cols-5 { grid-template-columns: repeat(5, 1fr); }
.cell {
  min-height: 22mm;
  border: 1px solid var(--line);
  position: relative;
  display: grid;
  place-items: center;
  background-image: linear-gradient(to right, transparent calc(50% - .5px), #edf0f3 calc(50% - .5px), #edf0f3 calc(50% + .5px), transparent calc(50% + .5px)), linear-gradient(to bottom, transparent calc(50% - .5px), #edf0f3 calc(50% - .5px), #edf0f3 calc(50% + .5px), transparent calc(50% + .5px));
}
.cell .guide { color: rgba(32,33,36,.18); font-weight: 700; line-height: 1; }
.hanja3 .practice-rows { gap: 10px; }
.hanja3 .practice-row { grid-template-columns: 32mm 1fr; }
.hanja3 .cell { min-height: 40mm; }
.hanja3 .info .main { font-size: 34px; }
.hanja3 .cell .guide { font-size: 76px; }
.hanja5 .cell .guide { font-size: 34px; }
.kana .cell .guide { font-size: 30px; }
.no-guide .guide { display: none; }
.copyright { margin-top: 6px; color: var(--muted); font-size: 10px; text-align: right; }
@media (max-width: 980px) {
  .toolbar { grid-template-columns: 1fr; }
  .controls { grid-template-columns: repeat(2, minmax(120px, 1fr)); }
  .paper { width: 100%; min-height: auto; padding: 18px; }
  .practice-row { grid-template-columns: 1fr; }
}
@media print {
  @page { size: A4; margin: 10mm; }
  body { background: #fff; }
  .toolbar { display: none; }
  .copy-app { max-width: none; padding: 0; }
  .paper { width: auto; min-height: calc(297mm - 20mm); margin: 0; padding: 0; box-shadow: none; }
  .practice-rows { gap: 5px; }
  .practice-row { grid-template-columns: 24mm 1fr; gap: 5px; }
  .cell { min-height: 20mm; }
  .hanja3 .practice-rows { gap: 8px; }
  .hanja3 .practice-row { grid-template-columns: 30mm 1fr; }
  .hanja3 .cell { min-height: 36mm; }
  .hanja3 .info .main { font-size: 32px; }
  .hanja3 .cell .guide { font-size: 72px; }
  .hanja5 .cell .guide { font-size: 34px; }
  .kana .cell .guide { font-size: 30px; }
}

.print-log {
  margin: 0 0 12px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 12px;
  color: var(--muted);
}
.print-log h2 { margin: 0 0 6px; font-size: 13px; color: var(--ink); }
.print-log ol { margin: 0; padding-left: 20px; }
.print-log li { margin: 2px 0; }
@media print { .print-log { display: none; } }

.log-restore { margin-left: 8px; height: 24px; padding: 0 8px; font-size: 11px; }
.print-log li { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }


.print-log-status { min-height: 18px; color: var(--muted); font-size: 12px; line-height: 1.35; }
.print-log-status.is-error { color: #b42318; font-weight: 700; }
.print-log-status.is-ok { color: #067647; font-weight: 700; }