:root{
  --bg:#f4f6f8; --card:#ffffff; --ink:#1b2328; --muted:#5b6770; --line:#d9e0e5;
  --brand:#0e5f6e; --brand-ink:#ffffff; --brand-soft:#e3f0f2; --accent:#f0a81c;
  --danger:#c0392b; --radius:14px; --fs:17px;
}
*{box-sizing:border-box}
html{font-size:var(--fs)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Pretendard","Apple SD Gothic Neo","Noto Sans KR","Malgun Gothic",system-ui,sans-serif;line-height:1.45;-webkit-text-size-adjust:100%;padding-bottom:calc(72px + env(safe-area-inset-bottom))}
button,input,select,textarea{font:inherit;color:inherit}
h2{margin:0}
.topbar{position:sticky;top:0;z-index:5;background:var(--brand);color:var(--brand-ink);padding:calc(10px + env(safe-area-inset-top)) 16px 10px;display:flex;align-items:center;justify-content:space-between}
.topbar-title{font-weight:700;font-size:1.1rem}
.btn-text{background:none;border:0;padding:8px 10px;font-weight:600;color:inherit;cursor:pointer}
.topbar .btn-text{color:#fff;border:1px solid rgba(255,255,255,.5);border-radius:8px}
main{padding:12px 12px 20px;max-width:720px;margin:0 auto}
.card{background:var(--card);border-radius:var(--radius);padding:14px;margin-bottom:12px;box-shadow:0 1px 2px rgba(0,0,0,.05)}
.card-title{font-size:1rem;font-weight:700;margin-bottom:8px}
.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.card-head .card-title{margin-bottom:0}
.hint{color:var(--muted);font-size:.9rem;margin:4px 0 8px}
.hint.small{font-size:.8rem}
.field{display:block;margin-bottom:10px}
.field>span{display:block;font-size:.85rem;color:var(--muted);margin-bottom:4px}
.field input,.field select,.field textarea,.search{width:100%;min-height:48px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff}
.field textarea{min-height:auto;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus,.search:focus{outline:2px solid var(--brand);outline-offset:0;border-color:var(--brand)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
.seg{display:flex;gap:4px;background:var(--bg);padding:4px;border-radius:12px;margin-bottom:12px}
.seg button{flex:1;min-height:44px;border:0;border-radius:9px;background:transparent;color:var(--muted);font-weight:600;cursor:pointer;padding:6px 4px;font-size:.92rem}
.seg button.on{background:#fff;color:var(--brand);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.btn-primary,.btn-outline{min-height:50px;padding:10px 16px;border-radius:12px;font-weight:700;cursor:pointer;border:2px solid var(--brand)}
.btn-primary{background:var(--brand);color:#fff}
.btn-outline{background:#fff;color:var(--brand)}
.btn-outline.danger{border-color:var(--danger);color:var(--danger)}
.btn-small{min-height:36px;padding:4px 12px;border-radius:10px;border:1px solid var(--brand);background:var(--brand-soft);color:var(--brand);font-weight:600;cursor:pointer;font-size:.9rem}
.wide{width:100%}
.actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:4px}
.actions .btn-primary{grid-column:1/-1}
/* 품목 줄 */
.line{border:1px solid var(--line);border-radius:12px;padding:10px;margin-bottom:10px;background:#fbfcfd}
.line-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.line-head b{color:var(--muted);font-size:.85rem}
.line .btn-del{background:none;border:0;color:var(--danger);font-weight:700;padding:6px 10px;cursor:pointer}
.line .field{margin-bottom:8px}
.line .amount{font-weight:700;text-align:right;color:var(--brand);padding:6px 2px 0;font-size:1.05rem}
.totals{border-top:1px solid var(--line);padding-top:8px}
.totals div{display:flex;justify-content:space-between;padding:4px 2px;font-size:1rem}
.totals .grand{border-top:2px solid var(--ink);margin-top:4px;padding-top:8px;font-size:1.2rem}
.totals b{font-variant-numeric:tabular-nums}
/* 목록 */
.doc{background:#fff;border-radius:var(--radius);padding:12px 14px;margin-bottom:10px;box-shadow:0 1px 2px rgba(0,0,0,.05)}
.doc-top{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.doc-top .type{font-size:.8rem;color:#fff;background:var(--brand);border-radius:6px;padding:2px 8px}
.doc-top .no{color:var(--muted);font-size:.85rem}
.doc .cust{font-weight:700;font-size:1.05rem;margin-top:6px}
.doc .site{color:var(--muted);font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.doc .sum{display:flex;justify-content:space-between;margin-top:6px;align-items:center}
.doc .sum b{font-size:1.1rem;color:var(--brand)}
.doc .sum span{color:var(--muted);font-size:.85rem}
.doc-actions{display:flex;gap:8px;margin-top:10px}
.doc-actions button{flex:1;min-height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;font-weight:600;cursor:pointer}
.doc-actions button.open{border-color:var(--brand);color:var(--brand)}
.doc-actions button.del{color:var(--danger)}
.empty{color:var(--muted);text-align:center;padding:30px 10px}
/* 설정 리스트 */
.item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}
.item:last-child{border-bottom:0}
.item .t{font-weight:700}
.item .s{color:var(--muted);font-size:.85rem}
.item .badge{font-size:.75rem;background:var(--brand-soft);color:var(--brand);border-radius:6px;padding:2px 6px;margin-left:6px}
.stamp-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.stamp-preview{width:64px;height:64px;object-fit:contain;border:1px dashed var(--line);border-radius:8px;background:#fff}
/* 탭바 */
.tabbar{position:fixed;left:0;right:0;bottom:0;display:flex;background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);z-index:5}
.tabbar button{flex:1;min-height:60px;border:0;background:none;color:var(--muted);font-weight:600;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:.85rem}
.tabbar button .ico{font-size:1.3rem;line-height:1}
.tabbar button.on{color:var(--brand)}
/* 모달 */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:20;display:flex;align-items:flex-end;justify-content:center}
.modal[hidden]{display:none}
.modal-box{background:#fff;width:100%;max-width:720px;max-height:92vh;border-radius:18px 18px 0 0;display:flex;flex-direction:column;overflow:hidden}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line)}
.modal-body{overflow:auto;padding:14px 16px}
.modal-actions{display:flex;gap:10px;padding:12px 16px;border-top:1px solid var(--line)}
.modal-actions button{flex:1;white-space:nowrap;padding-left:8px;padding-right:8px;font-size:.95rem}
.modal .hint{padding:0 16px 12px;margin:0}
.preview-pages{overflow:auto;padding:12px;background:#e9edf0;flex:1}
.preview-pages img{width:100%;display:block;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.2);margin-bottom:12px}
.pick{display:flex;justify-content:space-between;align-items:center;padding:12px 4px;border-bottom:1px solid var(--line);cursor:pointer}
.pick:active{background:var(--brand-soft)}
.pick .t{font-weight:700}
.pick .s{color:var(--muted);font-size:.85rem}
.pick .p{font-weight:700;color:var(--brand);white-space:nowrap}
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:#222;color:#fff;padding:10px 16px;border-radius:10px;z-index:30;font-size:.95rem;max-width:90%}
@media (min-width:600px){ .modal{align-items:center} .modal-box{border-radius:18px} }
@media print{
  body{padding:0;background:#fff}
  .topbar,.tabbar,main,.modal-head,.modal-actions,.modal .hint,.toast{display:none!important}
  .modal{position:static;background:none;display:block}
  .modal-box{max-height:none;box-shadow:none;border-radius:0;overflow:visible}
  .preview-pages{padding:0;background:#fff;overflow:visible}
  .preview-pages img{box-shadow:none;margin:0;page-break-after:always;width:100%}
  @page{size:A4;margin:0}
}