:root{
  --bg:#f2f6fb; --panel:#ffffff; --panel2:#eaf1f8; --line:#c9d6e4;
  --txt:#24394e; --mut:#6d7f93; --brand:#2f465f; --brand2:#5e7690;
  --line-strong:#b6c6d8; --panel-soft:#f7fbff;
  --shadow-sm:0 2px 8px rgba(30,52,76,.06);
  --shadow-md:0 10px 28px rgba(30,52,76,.10);
  --shadow-lg:0 24px 54px rgba(30,52,76,.14);
  --brand-grad:linear-gradient(135deg,#385677 0%,#2f465f 100%);
  --recv:#5f7f9f; --prog:#cf8d23; --pend:#c4464c; --done:#3ea374;
}
*{box-sizing:border-box}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
body{margin:0;font-family:-apple-system,"Apple SD Gothic Neo","Malgun Gothic",Segoe UI,Roboto,sans-serif;
  background:linear-gradient(180deg,#f6f9fd 0%,var(--bg) 100%);color:var(--txt);font-size:14px}
a{color:inherit;text-decoration:none}

/* ---------- Layout ---------- */
.layout{display:flex;min-height:100vh}
.sidebar{width:236px;flex:0 0 236px;background:var(--panel);border-right:1px solid var(--line);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto;box-shadow:var(--shadow-sm);
  background-image:linear-gradient(180deg,#ffffff 0%,#f6faff 70%,#f4f8fd 100%)}
.brand{display:flex;align-items:center;gap:10px;padding:18px 16px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#ffffff 0%,#f6faff 100%)}
.brand-logo{width:36px;height:36px;object-fit:contain;flex:0 0 36px}
.brand-logo.big{width:64px;height:64px;flex-basis:64px}
.brand-text strong{display:block;font-size:16px;letter-spacing:1px}
.brand-text small{color:var(--mut);letter-spacing:3px;font-size:10px}

.nav{padding:8px}
.nav-top{width:100%;display:flex;align-items:center;gap:10px;padding:10px 10px;border:0;background:none;
  color:var(--txt);cursor:pointer;border-radius:10px;font-size:14px;text-align:left;transition:all .16s ease}
.nav-top:hover{background:var(--panel2);transform:translateX(2px)}
.nav-top .ic{width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;color:#4f6a84;flex:0 0 20px}
.nav-top .ic svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.nav-top .lbl{flex:1}
.nav-top .arrow{color:var(--mut);transition:transform .15s;font-size:11px}
.nav-group.open .arrow{transform:rotate(90deg)}
.nav-children{display:none;padding:2px 0 6px 40px}
.nav-group.open .nav-children{display:block}
.nav-child{display:block;padding:7px 10px;color:var(--mut);border-radius:8px;font-size:13px;transition:all .16s ease}
.nav-child:hover{background:var(--panel2);color:var(--txt)}
.nav-child.active{background:var(--brand-grad);color:#fff;box-shadow:0 8px 16px rgba(47,70,95,.2)}
.nav-top.solo.active{background:var(--brand-grad);color:#fff;box-shadow:0 8px 16px rgba(47,70,95,.2)}
.nav-top.solo.active .ic{color:#fff}

.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 22px;
  border-bottom:1px solid var(--line);background:rgba(255,255,255,.92);position:sticky;top:0;z-index:5;backdrop-filter:blur(8px)}
.crumb{color:var(--mut);font-size:13px}
.top-right{display:flex;align-items:center;gap:14px}
.lang-switch a{color:var(--mut)}
.lang-switch a.on{color:var(--brand);font-weight:600}
.who{color:var(--txt)}
.btn-logout{padding:6px 12px;border:1px solid var(--line);border-radius:10px;color:var(--mut);background:var(--panel-soft);box-shadow:var(--shadow-sm);transition:all .16s ease}
.btn-logout:hover{border-color:var(--line-strong);color:var(--txt);transform:translateY(-1px)}

/* ---------- Mobile sidebar toggle ---------- */
.hamburger{display:none;align-items:center;justify-content:center;width:36px;height:36px;margin-right:10px;border:1px solid var(--line);border-radius:8px;background:var(--panel2);color:var(--txt);font-size:18px;cursor:pointer;flex:0 0 auto}
.sidebar-close{display:none;position:absolute;top:14px;right:14px;width:32px;height:32px;border:0;border-radius:6px;background:transparent;color:var(--mut);font-size:20px;cursor:pointer}
.sidebar-close:hover{color:var(--txt)}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:90}
.sidebar-overlay.hidden{display:none}

.content{padding:22px}
.page-head{display:flex;align-items:baseline;gap:12px;margin-bottom:18px}
.page-head h2{margin:0;font-size:20px}
.sample-tag{color:var(--mut);font-size:12px}

/* ---------- KPI ---------- */
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:12px}
.kpi{display:block;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px 14px;
  position:relative;overflow:hidden;transition:opacity .1s ease,transform .1s ease,box-shadow .1s ease;background-image:linear-gradient(180deg,#fff 0%,#fdfefe 100%);box-shadow:var(--shadow-sm)}
.kpi::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px}
.kpi-recv::before{background:var(--recv)}
.kpi-prog::before{background:var(--prog)}
.kpi-pend::before{background:var(--pend)}
.kpi-done::before{background:var(--done)}
.kpi:hover{opacity:.96;cursor:pointer;transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.kpi-num{font-size:22px;font-weight:700;line-height:1.1}
.kpi-lbl{color:var(--mut);margin-top:3px;font-size:12px;line-height:1.3}
.prog-row{cursor:pointer}
.prog-row:hover{background:var(--panel2)}
.cal-day{cursor:pointer}
.cal-day:hover{background:var(--panel2)}

/* ---------- Cards / grid ---------- */
.dash-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:var(--shadow-sm)}
.card h3{margin:0 0 12px;font-size:15px}
@media(max-width:960px){.dash-grid{grid-template-columns:1fr}.kpi-row{grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:12px}}

/* ---------- Mobile responsive ---------- */
@media(max-width:768px){
  /* 햄버거 버튼 노출 및 사이드바 오버레이 */
  .hamburger{display:flex}
  .sidebar{position:fixed;left:0;top:0;bottom:0;width:260px;z-index:100;transform:translateX(-100%);transition:transform .25s ease;box-shadow:4px 0 14px rgba(0,0,0,.4)}
  .sidebar.open{transform:translateX(0)}
  .sidebar-close{display:block}
  .sidebar-overlay{display:block}

  /* 상단 topbar 고정 및 여백 조정 */
  .topbar{position:fixed;left:0;right:0;top:0;padding:10px 14px}
  .main{padding-top:52px}
  .crumb{min-width:0;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}
  .top-right{gap:8px;font-size:12px}
  .lang-switch{font-size:12px}
  .btn-logout{padding:5px 9px;font-size:12px}

  /* 콘텐츠 여백 축소 */
  .content{padding:12px}
  .page-head{gap:8px;margin-bottom:12px}
  .page-head h2{font-size:16px}

  /* KPI 2열, 패딩/글자 축소 */
  .kpi-row{grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:10px}
  .kpi{padding:9px 10px;border-radius:9px;min-height:72px}
  .kpi-num{font-size:16px;line-height:1.1}
  .kpi-lbl{font-size:11px;line-height:1.25}

  /* 카드 밀도 최적화 */
  .card{padding:12px;border-radius:12px}
  .card h3{font-size:14px;margin-bottom:10px}

  /* 테이블 가로스크롤 유지, 셀 크기 축소 */
  .table-wrap{border-radius:8px}
  .eq-table th,.eq-table td{padding:6px 8px;font-size:12px}
  .prog-table th,.prog-table td{padding:6px;font-size:12px}
  .mini-cal td{height:42px;padding:3px;font-size:11px}

  /* 툴바 입력 축소 */
  .eq-toolbar input{min-width:auto;flex:1}

  /* 모바일 모달/폼 */
  .modal-box{width:calc(100vw - 24px);max-width:calc(100vw - 24px);margin:0;padding:16px;max-height:calc(100vh - 24px)}
  .form-grid{grid-template-columns:1fr;gap:10px}
  .modal-box input,.modal-box select,.modal-box textarea{font-size:16px;padding:10px 12px}
}

@media(max-width:480px){
  /* KPI 1열 */
  .kpi-row{grid-template-columns:1fr;gap:6px}
  .kpi{min-height:68px;padding:8px 10px}
  .kpi-num{font-size:16px}
  .topbar{padding:8px 10px}
  .top-right{gap:6px}
  .lang-switch a{font-size:11px}
  .btn-logout{font-size:11px;padding:4px 7px}
  .content{padding:9px}
  .card{padding:10px}
  .card h3{font-size:13px}
  .eq-table th,.eq-table td{padding:5px 6px;font-size:11px}
}

@media(max-width:360px){
  /* 로그인 카드 여백 축소 */
  .login-card{padding:20px 16px}
}

/* ---------- Progress table ---------- */
.prog-table{width:100%;border-collapse:collapse}
.prog-table th{text-align:left;color:var(--mut);font-weight:500;font-size:12px;padding:8px 8px;border-bottom:1px solid var(--line)}
.prog-table td{padding:10px 8px;border-bottom:1px solid var(--line)}
.prog-table tbody tr.prog-row:hover{background:rgba(74,103,135,.12);cursor:pointer}
.col-prog{width:170px}
.pill{padding:3px 9px;border-radius:20px;font-size:12px;color:#fff}
.pill.prog{background:var(--prog)}
.pill.pend{background:var(--pend)}
.pill.done{background:var(--done)}
.bar{display:inline-block;width:110px;height:8px;background:var(--panel2);border-radius:6px;overflow:hidden;vertical-align:middle}
.bar-fill{height:100%;border-radius:6px}
.bar-fill.prog{background:var(--prog)}
.bar-fill.pend{background:var(--pend)}
.bar-fill.done{background:var(--done)}
.bar-num{margin-left:8px;color:var(--mut);font-size:12px}

/* ---------- Mini calendar ---------- */
.mini-cal{width:100%;border-collapse:collapse;table-layout:fixed}
.mini-cal th{color:var(--mut);font-weight:500;font-size:12px;padding:6px 0}
.mini-cal td{height:52px;vertical-align:top;border:1px solid var(--line);padding:4px;font-size:12px}
.mini-cal td.empty{background:transparent;border-color:transparent}
.mini-cal .dnum{color:var(--mut)}
.mini-cal td.today .dnum{background:var(--brand);color:#fff;border-radius:50%;padding:1px 6px}
.mini-cal td.has-ev{background:var(--panel2)}
.mini-cal .ev{display:block;margin-top:3px;color:var(--brand2);font-size:11px;line-height:1.2}
.mini-cal td.cal-day:hover{background:rgba(74,103,135,.16);cursor:pointer}

/* ---------- Placeholder ---------- */
.placeholder{background:var(--panel);border:1px dashed var(--line);border-radius:12px;
  padding:60px 20px;text-align:center}
.ph-icon{font-size:44px}
.placeholder h3{margin:10px 0 6px}
.placeholder p{color:var(--mut);margin:4px 0}
.ph-path{margin-top:14px;font-size:12px;color:var(--brand2)}

/* ---------- Equipment ---------- */
.eq-card{padding:16px}
.eq-toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px;align-items:center}
.eq-toolbar input,.eq-toolbar select{padding:10px 12px;border:1px solid var(--line);border-radius:11px;background:var(--panel2);color:var(--txt);font-size:13px;transition:all .16s ease}
.eq-toolbar input{min-width:260px}
.eq-actions{display:flex;gap:8px;margin-bottom:12px}
.btn{display:inline-flex;align-items:center;gap:4px;padding:7px 12px;border:1px solid var(--line);border-radius:8px;background:var(--panel2);color:var(--txt);font-size:13px;cursor:pointer}
.btn{background:var(--panel2);border-color:var(--line);color:var(--txt)}
.btn{transition:all .16s ease;box-shadow:var(--shadow-sm)}
.btn:hover{border-color:var(--line-strong);color:var(--txt);transform:translateY(-1px)}
.btn-secondary{background:var(--panel2);border-color:var(--line);color:var(--txt)}
.btn-primary{background:var(--brand-grad);border-color:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(47,70,95,.24)}
.btn-primary:hover{filter:brightness(1.04);border-color:var(--brand);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:transparent;box-shadow:none;color:var(--brand)}
.btn-ghost:hover{background:rgba(47,70,95,.08);border-color:rgba(47,70,95,.08);transform:none}
.btn-sm{padding:5px 9px;font-size:12px}
.btn-danger{border-color:#d77f84;color:#8d3439;background:#fff3f3}
.btn-danger:hover{background:#ffeaea}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:var(--shadow-sm)}
.eq-table{width:100%;border-collapse:collapse;font-size:13px}
.eq-table th{text-align:left;color:var(--mut);font-weight:500;font-size:12px;padding:10px 10px;border-bottom:1px solid var(--line);background:#f1f6fc;white-space:nowrap}
.eq-table td{padding:10px 10px;border-bottom:1px solid var(--line);vertical-align:middle;white-space:nowrap}
.eq-table tbody tr:hover{background:rgba(74,103,135,.10)}
.eq-table .chk{width:30px;text-align:center}
.eq-table .act{display:flex;gap:6px;flex-wrap:wrap}
.eq-table .no-data{text-align:center;color:var(--mut);padding:30px}
.due-badge{padding:3px 8px;border-radius:20px;font-size:12px;color:#fff}
.due-badge.ok{background:var(--done)}
.due-badge.due-soon{background:var(--prog)}
.due-badge.overdue{background:var(--pend)}
.checked-out{background:rgba(245,158,11,.06)}

/* ---------- Standard list tables (Quotation / Invoice) ---------- */
.list-toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:12px}
.list-toolbar .btn-group{display:inline-flex;gap:6px;padding:4px;border:1px solid var(--line);border-radius:11px;background:#f4f8fc}
.list-toolbar .btn-group .btn{box-shadow:none}
.list-toolbar input[type="text"]{min-width:240px;padding:10px 12px;border:1px solid var(--line);border-radius:11px;background:var(--panel2);color:var(--txt);font-size:13px}
.list-toolbar input[type="text"]:focus{outline:none;border-color:var(--line-strong);background:#f5f9fe;box-shadow:0 0 0 3px rgba(94,118,144,.14)}

.tbl{width:100%;border-collapse:separate;border-spacing:0;font-size:13px;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:var(--shadow-sm)}
.tbl th{position:sticky;top:0;z-index:1;text-align:left;color:var(--mut);font-weight:600;font-size:12px;padding:11px 10px;border-bottom:1px solid var(--line);background:#f1f6fc;white-space:nowrap}
.tbl td{padding:10px;border-bottom:1px solid #e6edf5;vertical-align:middle;white-space:nowrap}
.tbl tbody tr:hover{background:rgba(74,103,135,.08)}
.tbl tbody tr:last-child td{border-bottom:0}
.tbl .num{text-align:right;font-variant-numeric:tabular-nums}
.tbl .actions{display:flex;gap:6px;flex-wrap:nowrap;white-space:nowrap;min-width:230px}
.tbl .no-data{text-align:center;color:var(--mut);padding:26px}

/* Dense table tone for desktop list pages */
.table-compact th{padding:9px 9px;font-size:11px}
.table-compact td{padding:8px 9px;font-size:12px}

/* Sticky number/actions columns for wide desktop tables */
.tbl-sticky th:first-child,
.tbl-sticky td:first-child{position:sticky;left:0;background:inherit}
.tbl-sticky th:last-child,
.tbl-sticky td:last-child{position:sticky;right:0;background:inherit}
.tbl-sticky th:first-child,
.tbl-sticky th:last-child{z-index:4}
.tbl-sticky td:first-child,
.tbl-sticky td:last-child{z-index:3}
.tbl-sticky td:first-child,.tbl-sticky th:first-child{box-shadow:1px 0 0 #e5edf6}
.tbl-sticky td:last-child,.tbl-sticky th:last-child{box-shadow:-1px 0 0 #e5edf6}

.badge{display:inline-flex;align-items:center;padding:3px 9px;border-radius:999px;font-size:11px;font-weight:600;background:#e8eef5;color:#3f5873}
.badge-ok{background:#e4f4ec;color:#237a4e}
.badge-sent{background:#e8f0fa;color:#2e5a87}
.badge-warn{background:#fff1d8;color:#9d6707}
.badge-danger{background:#fde8e8;color:#c81e1e}
.badge-unverified{background:#f3e8ff;color:#7c3aed}

/* Inventory: keep one-line rows, trim long text, scroll horizontally on desktop */
.inventory-wrap{overflow-x:auto}
.inventory-table{min-width:1680px;table-layout:fixed}
.inventory-table td{max-width:0}
.clip{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.clip-100{max-width:100px}
.clip-120{max-width:120px}
.clip-140{max-width:140px}
.clip-160{max-width:160px}
.clip-180{max-width:180px}
.inventory-table .act{display:flex;gap:6px;flex-wrap:nowrap}

@media(max-width:768px){
  .list-toolbar{gap:6px}
  .list-toolbar .btn-group{width:100%}
  .list-toolbar input[type="text"]{width:100%;min-width:0}
  .tbl th,.tbl td{padding:8px 7px;font-size:12px}
}

/* Modal */
.modal{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center}
.modal-back{position:absolute;inset:0;background:rgba(0,0,0,.5)}
.modal-box{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px;width:min(600px,92vw);max-height:90vh;overflow:auto;box-shadow:var(--shadow-lg)}
.modal-box h3{margin:0 0 16px}
.modal-box label{display:block;margin-bottom:12px;color:var(--mut);font-size:12px}
.modal-box input,.modal-box select,.modal-box textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:11px;background:var(--panel2);color:var(--txt);font-size:13px;margin-top:5px;transition:all .16s ease}
.modal-box input:focus,.modal-box select:focus,.modal-box textarea:focus{outline:none;border-color:var(--line-strong);background:#f5f9fe;box-shadow:0 0 0 3px rgba(94,118,144,.14)}
.modal-box textarea{resize:vertical}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.modal-foot{display:flex;gap:10px;justify-content:flex-end;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.inline{display:inline}

/* Calibration grid */
.cal-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:1200px){.cal-grid{grid-template-columns:1fr 1fr}}

/* ---------- Login ---------- */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;
  background:radial-gradient(1200px 600px at 50% -10%,#dfe8f2,var(--bg))}
.login-card{width:360px;background:linear-gradient(180deg,#ffffff 0%,#fbfdff 100%);border:1px solid var(--line);border-radius:20px;padding:30px 28px;box-shadow:var(--shadow-lg)}
.login-brand{text-align:center;margin-bottom:22px}
.login-brand h1{margin:8px 0 2px;font-size:22px;letter-spacing:1px}
.login-brand p{margin:0;color:var(--mut);font-size:12px}
.login-form{display:flex;flex-direction:column;gap:14px}
.fld{display:flex;flex-direction:column;gap:6px}
.fld span{color:var(--mut);font-size:12px}
.fld input{padding:11px 12px;border:1px solid var(--line);border-radius:11px;background:var(--panel2);color:var(--txt);font-size:14px;transition:all .16s ease}
.fld input:focus{outline:none;border-color:var(--line-strong);background:#f5f9fe;box-shadow:0 0 0 3px rgba(94,118,144,.14)}
.lang-choose{margin-top:2px}
.lang-label{display:block;color:var(--mut);font-size:12px;margin-bottom:6px}
.lang-opts{display:flex;gap:10px}
.lang-opt{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;padding:9px;
  border:1px solid var(--line);border-radius:11px;cursor:pointer;background:var(--panel2);transition:all .16s ease}
.lang-opt:hover{border-color:var(--line-strong);background:#f4f9ff}
.lang-opt input{accent-color:var(--brand)}
.btn-login{margin-top:6px;padding:12px;border:0;border-radius:12px;background:var(--brand-grad);color:#fff;
  font-size:15px;font-weight:600;cursor:pointer;box-shadow:0 10px 20px rgba(47,70,95,.25);transition:all .16s ease}
.btn-login:hover{filter:brightness(1.03);transform:translateY(-1px)}
.login-hint{text-align:center;color:var(--mut);font-size:11px;margin-top:16px}
.flash{padding:10px 12px;border-radius:9px;margin-bottom:14px;font-size:13px}
.flash.error{background:rgba(239,68,68,.15);border:1px solid var(--pend);color:#fca5a5}

/* ===== 항목 아코디언(펼침형 입력) — 견적/인보이스 공용 ===== */
.catalog-bar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:8px 0}
.catalog-select{min-width:280px;max-width:100%;padding:8px 10px;border:1px solid var(--line);
  border-radius:11px;background:var(--panel2);color:var(--txt);font-size:13px;transition:all .16s ease}
.catalog-select:focus{outline:none;border-color:var(--line-strong);background:#f5f9fe;box-shadow:0 0 0 3px rgba(94,118,144,.14)}
.catalog-hint{color:var(--mut);font-size:12px}
.fld-hint{color:var(--mut);font-size:12px;font-weight:400}
.items-accordion{display:flex;flex-direction:column;gap:8px;margin:8px 0}
.item-card{border:1px solid var(--line);border-radius:10px;background:var(--panel2);overflow:hidden}
.item-head{display:flex;align-items:center;gap:10px;padding:10px 12px;cursor:pointer;user-select:none;transition:all .16s ease}
.item-head:hover{filter:brightness(1.03)}
.item-sno{min-width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;border-radius:50%;font-size:12px;font-weight:600}
.item-htitle{flex:1;font-weight:600;color:var(--txt);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.item-htitle i{color:var(--mut);font-weight:400}
.item-hbadge{font-size:11px;font-weight:600;padding:2px 8px;border-radius:10px;background:var(--line);color:var(--mut);white-space:nowrap}
.item-hamt{color:var(--mut);font-variant-numeric:tabular-nums;font-size:13px}
.item-caret{transition:transform .15s;color:var(--mut);font-size:12px}
.item-card.open .item-caret{transform:rotate(180deg)}
.item-body{display:none;padding:10px 14px 14px;border-top:1px solid var(--line);
  gap:12px 20px;grid-template-columns:1fr 300px}
.item-card.open .item-body{display:grid}
.item-body > .fld:first-of-type{grid-column:1 / -1}            /* 제목: 전체 폭 */
.item-body > .fld:nth-of-type(2){grid-column:1;grid-row:2}     /* 상세: 좌측 큰 영역 */
.item-body > .fld:nth-of-type(2) textarea{min-height:150px;resize:vertical}
.item-body > .item-nums{grid-column:2;grid-row:2;align-self:start}  /* 숫자칸: 우측 */
.item-body > .item-body-foot{grid-column:1 / -1}
.item-body .fld{display:flex;flex-direction:column;gap:5px;font-size:13px;color:var(--mut)}
.item-body .fld input,.item-body .fld textarea{padding:9px 11px;border:1px solid var(--line);
  border-radius:11px;background:var(--panel);color:var(--txt);font-size:14px;font-family:inherit;width:100%;box-sizing:border-box;transition:all .16s ease}
.item-body .fld input:focus,.item-body .fld textarea:focus{outline:none;border-color:var(--line-strong);background:#f5f9fe;box-shadow:0 0 0 3px rgba(94,118,144,.14)}
.item-nums{display:grid;grid-template-columns:1fr;gap:10px}  /* 우측 열: 세로 스택 */
.item-nums label{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--mut)}
.item-nums input{padding:8px 10px;border:1px solid var(--line);border-radius:8px;
  background:var(--panel);color:var(--txt);font-size:14px;transition:all .16s ease}
.item-nums input:focus{outline:none;border-color:var(--line-strong);background:#f5f9fe;box-shadow:0 0 0 3px rgba(94,118,144,.14)}
.item-nums input[readonly]{background:var(--panel2);color:var(--mut)}
.item-body-foot{display:flex;justify-content:flex-end}
.items-foot{display:flex;justify-content:space-between;align-items:center;margin-top:6px}
.items-total{font-weight:700;color:var(--txt)}
.items-total span{font-variant-numeric:tabular-nums;margin-left:6px}
/* MATERIALS SUPPLY 분류 행 (SERVICE 견적) */
.item-cat-row{display:flex;gap:16px;flex-wrap:wrap;align-items:flex-end}
.item-cat-row select{padding:9px 11px;border:1px solid var(--line);border-radius:8px;
  background:var(--panel);color:var(--txt);font-size:14px;width:100%;box-sizing:border-box;transition:all .16s ease}
.item-cat-row select:focus{outline:none;border-color:var(--line-strong);background:#f5f9fe;box-shadow:0 0 0 3px rgba(94,118,144,.14)}
.item-body.has-cat > .item-cat-row{grid-column:1 / -1;grid-row:1}
.item-body.has-cat > .fld:first-of-type{grid-row:2}
.item-body.has-cat > .fld:nth-of-type(2){grid-row:3}
.item-body.has-cat > .item-nums{grid-row:3}
.item-body.has-cat > .item-body-foot{grid-row:4}
/* 좁은 화면: 항목 펼침영역을 1단으로, 숫자칸은 2열 */
@media(max-width:820px){
  .item-body{grid-template-columns:1fr}
  .item-body > .fld:nth-of-type(2){grid-column:1;grid-row:auto}
  .item-body > .item-nums{grid-column:1;grid-row:auto;grid-template-columns:repeat(2,1fr)}
  .item-body.has-cat > .item-cat-row{grid-row:auto}
  .item-body.has-cat > .fld:first-of-type{grid-row:auto}
  .item-body.has-cat > .fld:nth-of-type(2){grid-row:auto}
  .item-body.has-cat > .item-nums{grid-row:auto}
  .item-body.has-cat > .item-body-foot{grid-row:auto}
}