:root {
  --ink: #14181d; --ink2: #4a545f; --ink3: #7b8794;
  --line: #dde2e8; --line2: #eef1f5; --bg: #f4f6f8; --card: #fff;
  --accent: #111; --good: #0e6e6a; --warn: #8e6612; --bad: #a5312a;
  --sans: 'Malgun Gothic', '맑은 고딕', -apple-system, system-ui, sans-serif;
  --mono: Consolas, 'Courier New', monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--sans); background: var(--bg); color: var(--ink);
  font-size: 14px; line-height: 1.6; word-break: keep-all; }

header { background: #fff; border-bottom: 1px solid var(--line);
  padding: 14px 28px; display: flex; align-items: center; gap: 28px;
  position: sticky; top: 0; z-index: 20; }
.brand { font-weight: 700; letter-spacing: -.01em; }
.brand span { font-weight: 400; color: var(--ink3); margin-left: 6px; }
.steps { display: flex; gap: 8px; margin-left: auto; }
.step { font-size: 12px; color: var(--ink3); padding: 5px 12px; border-radius: 999px;
  border: 1px solid var(--line); }
.step.on { background: #111; color: #fff; border-color: #111; }

main { max-width: 1360px; margin: 0 auto; padding: 24px 28px 60px; }
.panel.hidden { display: none; }
h3 { font-size: 13px; letter-spacing: -.01em; margin: 18px 0 8px; }
h3:first-child { margin-top: 0; }
.muted { color: var(--ink3); }
.small { font-size: 12px; }

/* 드롭존 */
.drop { background: #fff; border: 2px dashed var(--line); border-radius: 12px;
  padding: 54px 20px; text-align: center; transition: .15s; }
.drop.hot { border-color: #111; background: #fafafa; }
.drop-in b { display: block; font-size: 16px; margin-bottom: 6px; }
.drop-in button { margin-top: 16px; }

button { font-family: inherit; font-size: 13px; padding: 9px 18px; border-radius: 8px;
  border: 1px solid var(--line); background: #fff; cursor: pointer; }
button:hover { border-color: #aab; }
button.primary { background: #111; color: #fff; border-color: #111; }
button.primary:disabled { background: #c8ccd2; border-color: #c8ccd2; cursor: not-allowed; }
button.ghost { background: transparent; }
.row-end { display: flex; gap: 8px; justify-content: flex-end; margin-top: 18px; }

.files { display: grid; gap: 10px; margin-top: 16px; }
.filecard { background: #fff; border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 16px; display: flex; align-items: center; gap: 14px; }
.filecard .nm { font-weight: 600; }
.filecard .meta { font-size: 12px; color: var(--ink3); }
.filecard .right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.badge { font-size: 11px; padding: 3px 9px; border-radius: 999px;
  background: #eef1f5; color: var(--ink2); }
.badge.ok { background: #e2f0ef; color: var(--good); }
.badge.guess { background: #fbf1dc; color: var(--warn); }
.badge.err { background: #fbe8e6; color: var(--bad); }

.split { display: grid; grid-template-columns: minmax(0,1fr) 380px; gap: 22px; align-items: start; }
.left, .right { min-width: 0; }
.sticky { position: sticky; top: 76px; background: #fff; border: 1px solid var(--line);
  border-radius: 12px; padding: 18px; }

.pickline { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
select, input[type=text], input[type=number], textarea {
  font-family: inherit; font-size: 13px; padding: 8px 10px; border: 1px solid var(--line);
  border-radius: 7px; background: #fff; color: inherit; width: 100%; }
textarea { resize: vertical; line-height: 1.7; }
input.num { text-align: right; font-family: var(--mono); }

.group { background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 16px 18px; margin-bottom: 14px; }
.group > h4 { font-size: 12px; letter-spacing: .04em; color: var(--ink2);
  margin-bottom: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--line2); }
.field { display: grid; grid-template-columns: 190px minmax(0,1fr) 96px; gap: 10px;
  align-items: center; padding: 5px 0; }
.field label { font-size: 13px; color: var(--ink2); }
.field .hint { font-size: 11px; color: var(--ink3); }
.field .from { font-size: 10.5px; text-align: right; color: var(--ink3); }
.field .from.auto { color: var(--good); }
.field input[type=checkbox] { width: auto; }

.calc { font-size: 13px; }
.calc table { width: 100%; border-collapse: collapse; }
.calc td { padding: 5px 0; border-bottom: 1px solid var(--line2); }
.calc td:last-child { text-align: right; font-family: var(--mono); }
.calc tr.hl td { font-weight: 700; border-bottom: 2px solid #111; }
.calc tr.sub td { color: var(--ink3); font-size: 12px; }
.warnbox { background: #fbf1dc; border: 1px solid #e8d5a6; color: #6b4e0e;
  border-radius: 8px; padding: 10px 12px; font-size: 12px; margin-top: 10px; }

iframe#preview { width: 100%; height: 78vh; border: 1px solid var(--line);
  border-radius: 10px; background: #fff; }

.attach { list-style: none; display: grid; gap: 6px; margin: 10px 0; }
.attach li { border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px;
  font-size: 12px; display: flex; align-items: center; gap: 8px; cursor: grab; background: #fff; }
.attach li.dragging { opacity: .4; }
.attach li .x { margin-left: auto; color: var(--ink3); cursor: pointer; }
.attach .idx { font-family: var(--mono); color: var(--ink3); }

.result { margin-top: 14px; font-size: 13px; }
.result a { display: block; margin-top: 6px; color: #111; }
.result .path { font-family: var(--mono); font-size: 11px; color: var(--ink3);
  word-break: break-all; margin-top: 4px; }

.toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%);
  background: #111; color: #fff; padding: 11px 20px; border-radius: 999px;
  font-size: 13px; z-index: 50; }
.toast.hidden { display: none; }

@media (max-width: 1100px) { .split { grid-template-columns: 1fr; } .sticky { position: static; } }

/* 반복 입력표 편집기 */
.tbl { display: grid; gap: 4px; }
.trow { display: grid; gap: 6px; align-items: center; }
.trow.th { font-size: 11px; color: var(--ink3); padding: 0 2px 2px; }
.trow input { font-size: 12px; padding: 6px 8px; }
.trow .x { color: var(--ink3); cursor: pointer; text-align: center; }
.group h4 .hint { font-weight: 400; text-transform: none; letter-spacing: 0; }
.field textarea { min-height: 46px; }

/* 접히는 그룹 — 사무소 정보처럼 자주 안 건드리는 것 */
.group.fold { padding: 0; }
.group.fold summary { padding: 14px 18px; cursor: pointer; font-size: 12px;
  letter-spacing: .04em; color: var(--ink2); list-style: none; }
.group.fold summary::-webkit-details-marker { display: none; }
.group.fold summary::before { content: '▸ '; color: var(--ink3); }
.group.fold details[open] summary::before { content: '▾ '; }
.group.fold summary .hint { font-weight: 400; color: var(--ink3); margin-left: 6px; }
.group.fold .foldbody { padding: 4px 18px 16px; border-top: 1px solid var(--line2); }

/* 브라우저 완결판에서만 쓰는 것 */
.privacy { margin-top: 14px; font-size: 12px; color: var(--good); }
button.wide { width: 100%; margin-top: 8px; }
.pickfile { display: flex; align-items: center; gap: 10px; margin: 8px 0; }
.filebtn { font-size: 13px; padding: 8px 14px; border: 1px solid var(--line);
  border-radius: 8px; background: #fff; cursor: pointer; white-space: nowrap; }
.filebtn:hover { border-color: #aab; }
#printFrame { position: fixed; width: 0; height: 0; border: 0; visibility: hidden; }