:root{
    --bg:#EEF1F5; --surface:#FFFFFF; --ink:#1A2432; --ink-soft:#5B6472;
    --line:#DCE1E8; --accent:#B5541A; --accent-ink:#7A3812; --accent-soft:#F6E5D9;
    --teal:#2F6F5E; --teal-soft:#DEEBE7; --danger:#B23A2E; --navy:#16203285; --navy-solid:#162032;
    --radius:12px;
  }
  *{box-sizing:border-box;}
  body{margin:0;background:var(--bg);color:var(--ink);
    font-family:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic","Segoe UI",sans-serif;
    -webkit-font-smoothing:antialiased;}
  .num{font-variant-numeric:tabular-nums;}
  header.app-header{background:var(--navy-solid);color:#fff;padding:16px 18px 0;position:sticky;top:0;z-index:20;}
  .brand-row{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap;}
  .brand-row h1{font-size:17px;margin:0;font-weight:700;letter-spacing:-0.2px;}
  .brand-row .tag{font-size:11px;color:#AEB9CB;border:1px solid #33415A;padding:2px 8px;border-radius:20px;}
  nav.tabs{display:flex;gap:2px;}
  nav.tabs button{background:transparent;border:none;color:#93A0B4;padding:10px 16px;font-size:14px;
    font-weight:700;cursor:pointer;white-space:nowrap;border-bottom:2px solid transparent;}
  nav.tabs button.active{color:#fff;border-bottom:2px solid var(--accent);}
  main{max-width:900px;margin:0 auto;padding:18px 14px 70px;}
  .card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:16px;}
  .card.locked{opacity:.5;pointer-events:none;position:relative;}
  .card.locked::after{content:"🔒";position:absolute;top:14px;right:16px;font-size:16px;}
  .lock-hint{font-size:12.5px;color:var(--ink-soft);background:#F6F8FA;border:1px dashed var(--line);
    border-radius:8px;padding:12px 14px;text-align:center;}
  .card h2{font-size:15px;margin:0 0 4px;font-weight:700;}
  .card .desc{font-size:12.5px;color:var(--ink-soft);margin:0 0 14px;line-height:1.55;}
  .step-badge{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;
    background:var(--accent);color:#fff;border-radius:50%;font-size:12px;font-weight:800;margin-right:8px;}
  .step-head{display:flex;align-items:center;margin:0 0 12px;font-size:14px;font-weight:800;}
  .row{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;}
  .row-2col{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-items:end;}
  .row-3col{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;align-items:end;}
  .row-2col label.f,.row-3col label.f{min-width:0;}
  .row-2col label.f select,.row-2col label.f input,.row-3col label.f select,.row-3col label.f input{width:100%;}
  .brand-chips-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;}
  .brand-chips-grid .brand-chip{width:100%;text-align:center;padding:9px 6px;}
  .brand-price-row{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;}
  .brand-price-col{display:flex;flex-direction:column;gap:4px;min-width:0;}
  .brand-price-col .brand-chip{width:100%;text-align:center;padding:8px 2px;font-size:12.5px;}
  .brand-price-col select{width:100%;padding:5px 16px 5px 4px;font-size:12.5px;text-align:center;background-position:right 3px center;}
  @media (max-width:380px){ .brand-price-row{grid-template-columns:repeat(2,1fr);row-gap:8px;} }
  .date-compact-wrap{position:relative;height:37px;}
  .date-compact-text{display:flex;align-items:center;justify-content:center;height:100%;border:1px solid var(--line);
    border-radius:8px;background:#fff;font-size:14px;color:var(--ink);font-weight:700;}
  .date-compact-wrap input[type="date"]{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer;}
  button.btn.btn-x{padding:5px 9px;font-size:14px;font-weight:800;line-height:1;}
  @media (max-width:640px){
    table.order-lines-table{min-width:0;width:100%;}
    table.order-lines-table th.col-brand,table.order-lines-table td.col-brand{display:none;}
    table.order-lines-table th,table.order-lines-table td{padding:8px 6px;white-space:normal;}
    table.order-lines-table th:first-child,table.order-lines-table td:first-child{white-space:normal;word-break:break-word;}
  }
  @media (max-width:640px){
    table.invoice-table td.col-model,table.invoice-table th:first-child{white-space:normal;word-break:break-word;max-width:120px;}
  }
  label.f{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--ink-soft);font-weight:700;}
  input,select{border:1px solid var(--line);border-radius:8px;padding:9px 10px;font-size:14px;
    color:var(--ink);background:#fff;font-family:inherit;}
  select{-webkit-appearance:none;-moz-appearance:none;appearance:none;
    background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235B6472' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
    background-repeat:no-repeat;background-position:right 10px center;padding-right:32px;cursor:pointer;}
  input:focus,select:focus{outline:2px solid var(--accent-soft);border-color:var(--accent);}
  input.inline-num{width:104px;text-align:right;padding:6px 8px;font-variant-numeric:tabular-nums;}
  input.inline-model{width:180px;padding:6px 8px;font-size:13px;font-weight:600;}
  .drop-box{width:100%;border:2px dashed var(--line);border-radius:12px;padding:22px 16px;text-align:center;
    font-size:13.5px;color:var(--ink-soft);cursor:pointer;background:#FAFBFC;transition:.15s;line-height:1.6;}
  .drop-box:hover{border-color:var(--accent);background:#FFF8F3;}
  .drop-box.drag-on{border-color:var(--accent);background:#FFF3EA;box-shadow:0 0 0 3px var(--accent-soft);}
  .drop-box b{color:var(--ink);}
  .drop-sub{font-size:11.5px;color:var(--ink-soft);}
  .cust-results{position:absolute;top:100%;left:0;right:0;z-index:30;background:#fff;border:1px solid var(--line);
    border-radius:8px;margin-top:4px;max-height:260px;overflow-y:auto;box-shadow:0 8px 24px rgba(0,0,0,.12);}
  .cust-results:empty{display:none;}
  .cust-result-item{padding:10px 12px;font-size:13.5px;cursor:pointer;border-bottom:1px solid var(--line);}
  .cust-result-item:last-child{border-bottom:none;}
  .cust-result-item:hover{background:#FFF8F3;}
  .cust-result-item.muted{color:var(--ink-soft);cursor:default;}
  .cust-picked{display:flex;align-items:center;justify-content:space-between;gap:10px;background:#FFF8F3;
    border:1.5px solid var(--accent);border-radius:8px;padding:9px 12px;font-size:14px;font-weight:700;color:var(--accent-ink);}
  select.inline-sel{padding:5px 26px 5px 8px;font-size:13px;background-position:right 6px center;}
  input.inline-phone{width:130px;padding:6px 8px;font-size:13px;font-variant-numeric:tabular-nums;}
  .send-mode{display:flex;gap:8px;}
  .mode-btn{flex:1;background:#fff;border:1.5px solid var(--line);border-radius:9px;padding:11px 10px;
    font-size:13px;font-weight:700;cursor:pointer;color:var(--ink-soft);transition:.12s;}
  .mode-btn.on{border-color:var(--accent);background:#FFF8F3;color:var(--accent-ink);box-shadow:0 0 0 2px var(--accent-soft);}
  .mode-btn .muted{font-weight:400;font-size:11px;}
  .pay-box{margin-top:16px;border:1.5px solid var(--navy-solid);border-radius:8px;padding:14px 16px;background:#F7F9FB;}
  .pay-title{font-size:11.5px;font-weight:800;color:var(--ink-soft);letter-spacing:.5px;margin-bottom:6px;}
  .pay-line{font-size:16px;color:var(--ink);}
  .pay-line b{font-variant-numeric:tabular-nums;}
  .pay-sub{font-size:12px;color:var(--ink-soft);margin-top:4px;}
  .sup-card{border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin-bottom:12px;background:#FAFBFC;}
  .sup-name{font-size:14px;font-weight:800;margin-bottom:10px;color:var(--accent-ink);}
  .sup-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
  .sup-grid label.f input{width:100%;}
  @media (max-width:640px){ .sup-grid{grid-template-columns:1fr;} }
  .qty-wrap{display:flex;align-items:stretch;}
  .qty-input{width:64px;text-align:center;border-top-right-radius:0;border-bottom-right-radius:0;border-right:none;}
  .qty-select{width:46px;border-top-left-radius:0;border-bottom-left-radius:0;padding-left:6px;padding-right:22px;
    background-position:right 6px center;background-color:#F6F8FA;}
  button.btn{background:var(--navy-solid);color:#fff;border:none;border-radius:8px;padding:10px 16px;
    font-size:13.5px;font-weight:700;cursor:pointer;}
  button.btn.accent{background:var(--accent);}
  button.btn.big{padding:14px 20px;font-size:15px;width:100%;}
  button.btn.ghost{background:#fff;color:var(--navy-solid);border:1px solid var(--line);}
  button.btn.danger{background:#fff;color:var(--danger);border:1px solid #E9C7C1;padding:5px 10px;font-size:12px;}
  button.btn.sm{padding:6px 11px;font-size:12px;}
  button.btn:disabled{opacity:.4;cursor:not-allowed;}
  .table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px;}
  table{border-collapse:collapse;width:100%;min-width:520px;font-size:13px;}
  th,td{padding:9px 10px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;}
  th{background:#F6F8FA;color:var(--ink-soft);font-weight:700;font-size:11.5px;letter-spacing:.3px;}
  tr:last-child td{border-bottom:none;}
  td.r,th.r{text-align:right;}
  .pill{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11.5px;font-weight:700;}
  .pill.guttu{background:#E4ECFB;color:#1E4C9B;}
  .pill.kd{background:var(--teal-soft);color:var(--teal);}
  .pill.ds{background:var(--accent-soft);color:var(--accent-ink);}
  .pill.rn{background:#EAE2F5;color:#5B3A8C;}
  .empty{padding:26px;text-align:center;color:var(--ink-soft);font-size:13px;}
  .section-title{font-size:11.5px;font-weight:800;color:var(--ink-soft);letter-spacing:.4px;margin:0 0 9px;}
  /* 브랜드 칩 */
  .brand-chips{display:flex;flex-wrap:wrap;gap:8px;}
  .brand-chip{background:#fff;border:1.5px solid var(--line);border-radius:9px;padding:8px 9px;cursor:pointer;transition:.12s;}
  .brand-chip.on{border-color:var(--accent);background:#FFF8F3;box-shadow:0 0 0 2px var(--accent-soft);}
  .brand-chip:hover{border-color:var(--accent);}
  /* 모델 리스트 */
  .model-list{display:flex;flex-direction:column;gap:6px;max-height:420px;overflow-y:auto;
    border:1px solid var(--line);border-radius:9px;padding:8px;background:#FAFBFC;}
  .model-chip{display:flex;justify-content:space-between;align-items:center;gap:10px;background:#fff;
    border:1.5px solid var(--line);border-radius:8px;padding:10px 12px;cursor:pointer;text-align:left;transition:.12s;}
  .model-chip:hover{border-color:var(--accent);}
  .model-chip.on{border-color:var(--accent);background:#FFF3EA;box-shadow:0 0 0 2px var(--accent-soft);}
  .mc-check{flex-shrink:0;width:22px;height:22px;border-radius:50%;border:2px solid var(--line);
    display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:900;color:#fff;background:#fff;transition:.12s;}
  .model-chip.on .mc-check{background:var(--accent);border-color:var(--accent);}
  .mc-name{flex:1;font-size:13.5px;font-weight:700;color:var(--ink);}
  .model-chip.on .mc-name{color:var(--accent-ink);}
  .mc-cost{font-size:12px;color:var(--ink-soft);font-variant-numeric:tabular-nums;}
  /* 선택 시 인라인 수량+담기 */
  .model-chip.selected-inline{flex-direction:column;align-items:stretch;gap:8px;padding:10px 12px;}
  .mc-row{display:flex;align-items:center;gap:8px;cursor:pointer;}
  .mc-actions{display:flex;align-items:center;gap:8px;}
  .qty-stepper{display:flex;align-items:center;border:1.5px solid var(--accent);border-radius:10px;overflow:hidden;flex-shrink:0;}
  .qty-stepper .qbtn{width:44px;height:44px;border:none;background:#fff;font-size:20px;font-weight:700;color:var(--accent-ink);cursor:pointer;line-height:1;}
  .qty-stepper .qbtn:active{background:var(--accent-soft);}
  .qty-stepper .qval{min-width:42px;text-align:center;font-size:17px;font-weight:800;font-variant-numeric:tabular-nums;}
  .model-chip .addbtn{flex:1;height:44px;font-size:15px;}
  @media (min-width:641px){
    .model-chip.selected-inline{flex-direction:row;align-items:center;gap:12px;}
    .mc-row{flex:1;}
    .model-chip .addbtn{flex:0 0 auto;min-width:120px;}
  }
  .line-qty-stepper{display:inline-flex;align-items:center;border:1.5px solid var(--line);border-radius:8px;overflow:hidden;}
  .line-qty-stepper .lqbtn{width:34px;height:34px;border:none;background:#F6F8FA;font-size:17px;font-weight:700;color:var(--accent-ink);cursor:pointer;line-height:1;}
  .line-qty-stepper .lqbtn:active{background:var(--accent-soft);}
  .line-qty-stepper .lqval{min-width:38px;text-align:center;font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;}
  .model-group-label{padding:6px 2px 2px;}
  .model-empty{padding:24px;text-align:center;color:var(--ink-soft);font-size:13px;}
  /* 선택 요약 배너 */
  .pick-summary{background:#FFF8F3;border:1px solid var(--accent-soft);border-radius:10px;
    padding:12px 14px;margin:14px 0;font-size:13px;line-height:1.6;}
  .pick-summary b{color:var(--accent-ink);}
  .pick-summary .muted{color:var(--ink-soft);}
  /* 거래명세표 */
  .invoice{border:2px solid var(--navy-solid);border-radius:6px;padding:24px;background:#fff;}
  .invoice-head{display:flex;justify-content:space-between;align-items:flex-start;
    border-bottom:2px solid var(--navy-solid);padding-bottom:14px;margin-bottom:14px;flex-wrap:wrap;gap:10px;}
  .invoice-head h2{margin:0;font-size:20px;letter-spacing:4px;}
  .invoice-head .meta{font-size:12px;color:var(--ink-soft);text-align:right;line-height:1.7;}
  .invoice-meta-row{display:flex;justify-content:space-between;font-size:13px;margin-bottom:12px;flex-wrap:wrap;gap:6px;}
  .totals{margin-top:14px;border-top:1px solid var(--line);padding-top:10px;}
  .totals .line{display:flex;justify-content:space-between;font-size:13.5px;padding:4px 0;}
  .totals .line.grand{font-size:17px;font-weight:800;border-top:2px solid var(--navy-solid);margin-top:6px;padding-top:10px;}
  .badge-vat{font-size:10.5px;padding:1px 7px;border-radius:20px;background:#EEF1F5;color:var(--ink-soft);margin-left:6px;}
  .modal-bg{position:fixed;inset:0;background:rgba(15,20,30,.55);display:flex;align-items:center;justify-content:center;z-index:100;padding:16px;}
  .modal{background:#fff;border-radius:14px;max-width:640px;width:100%;max-height:82vh;overflow-y:auto;padding:22px;}
  .modal h3{margin:0 0 6px;font-size:16px;}
  .modal p{font-size:12.5px;color:var(--ink-soft);margin:0 0 12px;line-height:1.55;}
  .modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:14px;}
  .settings-sub{display:flex;gap:6px;margin-bottom:16px;flex-wrap:wrap;}
  .settings-sub button{background:#fff;border:1px solid var(--line);border-radius:20px;padding:7px 15px;
    font-size:13px;font-weight:700;color:var(--ink-soft);cursor:pointer;}
  .settings-sub button.on{background:var(--navy-solid);color:#fff;border-color:var(--navy-solid);}
  .toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--navy-solid);color:#fff;
    padding:12px 20px;border-radius:24px;font-size:13.5px;font-weight:600;z-index:200;box-shadow:0 6px 20px rgba(0,0,0,.25);}
  @media (max-width:640px){
    .brand-row h1{font-size:15px;}
    .invoice{padding:16px;}
    nav.tabs button{padding:10px 12px;font-size:13px;}
  }

/* v9.2 날짜 선택 */
.date-field-wrap{display:flex;gap:8px;align-items:center;}
.date-field-wrap input[type="date"]{flex:1;min-width:0;height:38px;border:1px solid var(--line);border-radius:8px;padding:0 10px;background:#fff;color:var(--ink);font:inherit;cursor:pointer;}
.date-today-btn{height:38px;padding:0 14px;border:1px solid var(--line);border-radius:8px;background:#fff;font-weight:700;cursor:pointer;white-space:nowrap;}

/* v9.3 즐겨찾기 거래처 */
.cust-results-title{padding:9px 12px 6px;font-size:12px;font-weight:800;color:var(--ink-soft);background:#f7f8fa;border-bottom:1px solid var(--border-color);}
.cust-result-flex{display:flex;align-items:center;justify-content:space-between;gap:8px;}
.cust-result-name{flex:1;min-width:0;}
.favorite-star{border:0;background:transparent;font-size:20px;line-height:1;cursor:pointer;padding:3px 6px;color:#9aa3af;}
.favorite-star.on{color:#e2a500;}


/* v9.4 거래처 전화·상단 스크롤·즐겨찾기 */
.cust-top-scroll{overflow-x:auto;overflow-y:hidden;height:17px;margin-bottom:5px;border:1px solid var(--line);border-radius:7px;background:#f6f8fa;}
.cust-top-scroll-inner{height:1px;min-width:100%;}
.fav-col{width:68px;text-align:center!important;}
.phone-cell{display:flex;align-items:center;gap:6px;}
.phone-cell .inline-phone{min-width:130px;}
.call-link{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:32px;padding:0 9px;border-radius:7px;background:var(--teal);color:#fff;text-decoration:none;font-size:12px;font-weight:800;}
.call-link:hover{filter:brightness(.94);}
@media (max-width:640px){.call-link{min-width:48px;height:36px}.cust-top-scroll{height:20px}}


/* v9.5 로그인·보안 */
.auth-gate{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;padding:20px;background:#eef1f5;}
.auth-gate[hidden]{display:none!important;}
.auth-card{width:min(420px,100%);background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:0 18px 60px rgba(15,31,55,.16);}
.auth-card h1{margin:0 0 8px;font-size:22px;color:var(--navy-solid);}
.auth-card p{margin:0 0 22px;color:var(--ink-soft);font-size:14px;}
.auth-card form{display:flex;flex-direction:column;gap:14px;}
.auth-card label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:700;}
.auth-card input{height:44px;border:1px solid var(--line);border-radius:9px;padding:0 12px;font:inherit;}
.auth-message{min-height:20px;color:#b42318;font-size:13px;}
.app-shell[hidden]{display:none!important;}
.header-actions{position:absolute;right:18px;top:12px;display:flex;align-items:center;gap:8px;}
.login-user{font-size:12px;color:#c7d1df;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.logout-btn{border:1px solid #46566d;background:transparent;color:#fff;border-radius:7px;padding:6px 10px;cursor:pointer;font-size:12px;}
@media(max-width:700px){.login-user{display:none}.header-actions{right:8px;top:8px}.logout-btn{padding:5px 8px}}


/* v11 발주이력 검색·계정 */
.history-filter-grid{display:grid;grid-template-columns:repeat(5,minmax(130px,1fr));gap:10px;align-items:end;margin:14px 0 10px;}
.history-filter-actions{display:flex;align-items:end;height:100%;}
.history-result-summary{margin:4px 0 10px;color:var(--ink-soft);font-size:13px;}
.history-actions{white-space:nowrap;}
.account-card{max-width:720px;}
.password-change-box{max-width:440px;display:grid;gap:12px;margin-top:18px;padding:18px;border:1px solid var(--border);border-radius:14px;background:#fafbfd;}
.desc.small{font-size:12px;margin:0;}
@media(max-width:900px){.history-filter-grid{grid-template-columns:repeat(2,minmax(0,1fr));}.history-filter-actions{grid-column:1/-1;}.history-actions{white-space:normal;}.history-actions .btn{margin:2px 0;}}

/* v11.1 발주이력 거래처 자동완성 */
.history-customer-filter{position:relative;}
.history-customer-search-wrap{position:relative;}
.history-customer-suggestions{display:none;position:fixed;z-index:10000;background:#fff;border:1px solid var(--line,#d8dee8);border-radius:10px;box-shadow:0 12px 30px rgba(15,23,42,.22);max-height:280px;overflow-y:auto;padding:5px;}
.history-customer-suggestions.show{display:block;}
.history-customer-suggestions button{display:block;width:100%;border:0;background:#fff;text-align:left;padding:10px 12px;border-radius:7px;cursor:pointer;font-size:14px;color:var(--ink,#172033);}
.history-customer-suggestions button:hover,.history-customer-suggestions button:focus{background:#f3f6fa;outline:none;}

.history-customer-suggestions button.active{background:#eaf1fb;color:#0f315e;font-weight:700;}