:root{--brand:#2563eb;--brand-dark:#1e40af;--brand-light:#eff6ff;--brand-tint:#f5f8ff;--text:#0f172a;--text-muted:#64748b;--text-subtle:#94a3b8;--on-brand:#fff;--bg:#f8fafc;--surface:#fff;--border:#e2e8f0;--success:#16a34a;--danger:#dc2626;--warning:#d97706;--radius:8px;--radius-lg:14px;--shadow-card:0 8px 24px #0f172a14;--font:"Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Segoe UI", Roboto, sans-serif;font-family:var(--font);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:14px;line-height:1.5}*{box-sizing:border-box}body{min-height:100vh;margin:0}h1,h2,h3{color:var(--text);margin:0;font-weight:700}button{font-family:inherit}a{color:var(--brand);text-decoration:none}.brand-en{letter-spacing:.14em;text-transform:uppercase;color:var(--text-subtle);margin-top:3px;font-size:12px;font-weight:600;display:block}.brand-en-sm{letter-spacing:.1em;text-transform:uppercase;color:var(--text-subtle);vertical-align:middle;margin-left:6px;font-size:10px;font-weight:600}.muted{color:var(--text-muted)}.hint{color:var(--text-subtle);margin:0;font-size:12px}.error{color:var(--danger);margin:0;font-size:13px}.saved{color:var(--success);margin:0;font-size:13px}.field{flex-direction:column;gap:6px;display:flex}.field>span{color:#334155;font-size:13px;font-weight:500}input,textarea{font:inherit;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);outline:none;width:100%;padding:11px 14px}textarea{resize:vertical;min-height:44px}input:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-light)}.print-detail{background:var(--brand-tint);border:1px solid var(--brand-light);border-radius:var(--radius);margin-top:14px;padding:14px 16px}.print-detail>strong{color:var(--brand-dark);margin-bottom:4px;font-size:14px;display:block}.print-detail p{color:var(--text-muted);margin:0 0 10px;font-size:13px;line-height:1.6}.print-detail .field{margin-top:10px}.landing{min-height:100vh}.landing .split{grid-template-columns:1fr 1fr;min-height:100vh;display:grid}.landing .lp-hero{color:#fff;background:linear-gradient(150deg,#0b1f44 0%,#123a7a 60%,#1c6ff2 130%);flex-direction:column;justify-content:center;padding:56px;display:flex}.landing .lp-hero h1{letter-spacing:-.02em;font-size:38px;font-weight:800;line-height:1.25}.landing .lp-hero p{color:#c7d6f0;margin-top:16px;font-size:16px;line-height:1.65}.landing .lp-points{flex-direction:column;gap:10px;margin:26px 0 0;padding:0;list-style:none;display:flex}.landing .lp-points li{color:#dbe6fb;padding-left:24px;font-size:14px;font-weight:500;position:relative}.landing .lp-points li:before{content:"✓";color:#7fb0ff;font-weight:800;position:absolute;left:0}.landing .panel{background:#fff;flex-direction:column;justify-content:center;align-items:center;padding:40px;display:flex;overflow-y:auto}.landing .panel-inner{width:100%;max-width:400px}.landing .lp-brand{color:#0b1f44;align-items:center;gap:10px;font-size:21px;font-weight:900;display:flex}.landing .lp-brand .dot{color:#fff;background:#1c6ff2;border-radius:10px;justify-content:center;align-items:center;width:34px;height:34px;font-size:18px;display:flex}.landing .lp-sub{color:#5b6675;margin:6px 0 22px;font-size:13px;font-weight:600}.landing .segs{background:#eef2f7;border-radius:12px;margin-bottom:20px;padding:4px;display:flex}.landing .seg{text-align:center;color:#5b6675;cursor:pointer;background:0 0;border:none;border-radius:9px;flex:1;padding:9px 0;font-family:inherit;font-size:14px;font-weight:800}.landing .seg.on{color:#1457c6;background:#fff;box-shadow:0 2px 8px #1c6ff224}.landing .lp-form label{color:#39424f;margin:14px 0 5px;font-size:12.5px;font-weight:800;display:block}.landing .lp-form label .req{color:#e0483d}.landing .lp-hint{color:#5b6675;margin-top:4px;font-size:11.5px}.landing .grid2{grid-template-columns:1fr 1fr;gap:10px;display:grid}.landing .inline{align-items:stretch;gap:8px;display:flex}.landing .btn-check{white-space:nowrap;color:#1457c6;cursor:pointer;background:#fff;border:1px solid #1c6ff2;border-radius:8px;flex:none;padding:0 14px;font-family:inherit;font-size:13px;font-weight:700}.landing .lp-form .btn-primary{background:#1c6ff2;width:100%;margin-top:20px}.landing .lp-form .btn-primary:hover{background:#1457c6}.landing .lp-msg{border-radius:10px;margin-top:14px;padding:11px 13px;font-size:13px;font-weight:700}.landing .lp-msg.err{color:#c2362d;background:#fdecea;border:1px solid #f5c6c0}.landing .lp-msg.ok{color:#13724a;background:#e9f9ef;border:1px solid #b7e6c9}.landing .lp-foot{text-align:center;color:#5b6675;margin-top:20px;font-size:12px}.landing .findrow{justify-content:center;align-items:center;gap:10px;margin-top:16px;display:flex}.landing .findrow button{color:#5b6675;cursor:pointer;background:0 0;border:none;font-family:inherit;font-size:12.5px;font-weight:700}.landing .findrow button:hover{color:#1457c6;text-decoration:underline}.landing .findrow .sep{color:#d0d7e2}.fmodal{z-index:100;background:#08142d8c;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.fbox{background:#fff;border-radius:18px;width:100%;max-width:420px;padding:22px 24px 24px;box-shadow:0 30px 80px #030a1c80}.fhead{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.fhead span{color:#15202e;font-size:17px;font-weight:900}.fx{cursor:pointer;color:#5b6675;background:#eef2f7;border:none;border-radius:9px;width:32px;height:32px;font-weight:800}.fbox .lp-form label{color:#39424f;margin:14px 0 5px;font-size:12.5px;font-weight:800;display:block}@media (width<=820px){.landing .split{grid-template-columns:1fr}.landing .lp-hero{min-height:200px;padding:32px 28px}.landing .panel{padding:28px 20px 40px}}.btn-primary{background:var(--brand);color:var(--on-brand);border-radius:var(--radius);cursor:pointer;border:none;width:100%;padding:12px 16px;font-size:15px;font-weight:500}.btn-primary:hover{background:var(--brand-dark)}.btn-primary:disabled{opacity:.55;cursor:default}.btn-ghost{border:1px solid var(--border);background:var(--surface);color:#334155;border-radius:var(--radius);cursor:pointer;padding:7px 12px;font-size:13px;font-weight:500}.btn-ghost:hover{background:var(--bg)}.auth-bg{justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);width:400px;max-width:100%;box-shadow:var(--shadow-card);flex-direction:column;gap:16px;padding:36px 32px;display:flex}.brand{color:var(--brand);margin:0;font-size:26px}.brand-block{flex-direction:column;gap:4px;display:flex}.app{min-height:100vh}.topbar{background:var(--surface);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:14px 28px;display:flex}.brand-sm{color:var(--brand);font-size:18px;font-weight:700}.userbox{align-items:center;gap:14px;display:flex}.content{justify-content:center;padding:40px 20px;display:flex}.col{flex-direction:column;gap:20px;width:760px;max-width:100%;display:flex}.page-head{flex-direction:column;gap:4px;display:flex}.page-head h2{font-size:24px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);flex-direction:column;gap:14px;padding:20px;display:flex}.card-title{font-size:15px;font-weight:700}.grade-cards{gap:12px;display:flex}.grade-card{border:1px solid var(--border);background:var(--surface);cursor:pointer;text-align:left;border-radius:10px;flex-direction:column;flex:1;gap:6px;padding:14px;display:flex}.grade-card:hover{border-color:var(--brand)}.grade-card.on{border:2px solid var(--brand);background:var(--brand-light)}.grade-card .g-name{font-size:15px;font-weight:700}.grade-card.on .g-name{color:var(--brand-dark)}.grade-card .g-load{color:var(--brand);font-size:13px;font-weight:600}.grade-card.on .g-load{color:var(--brand-dark)}.grade-card .g-spec{color:var(--text-muted);font-size:12px}.callout{background:var(--brand-light);color:var(--brand-dark);border:1px solid #dbeafe;border-radius:10px;padding:12px 14px;font-size:13px;line-height:1.6}.card-sub{color:var(--text-muted);margin:0;font-size:13px}.stmt{flex-direction:column;gap:8px;display:flex}.stmt-divider{background:#dbeafe;height:1px;margin:4px 0}.info-list{color:var(--text-muted);flex-direction:column;gap:8px;margin:0;padding-left:18px;font-size:13px;line-height:1.6;display:flex}.info-list strong{color:var(--text)}.pill-fixed{background:var(--brand-light);color:var(--brand-dark);border-radius:999px;align-items:center;gap:8px;width:fit-content;padding:8px 14px;font-size:14px;font-weight:600;display:inline-flex}.card.locked{opacity:.5;pointer-events:none}.calc-layout{justify-content:center;align-items:flex-start;gap:24px;display:flex}.summary{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);flex:none;width:260px;padding:20px;position:sticky;top:24px}.summary-title{margin-bottom:14px;font-size:15px}.summary-list{flex-direction:column;gap:12px;margin:0;display:flex}.summary-list>div{justify-content:space-between;gap:12px;font-size:13px;display:flex}.summary-list dt{color:var(--text-muted);flex:none}.summary-list dd{color:var(--text);text-align:right;margin:0;font-weight:500}.summary-list .summary-sub{padding-left:10px}.summary-sub dt,.summary-sub dd{color:var(--text-muted);font-size:12px;font-weight:400}@media (width<=1024px){.calc-layout{flex-direction:column;align-items:stretch}.summary{width:auto;position:static}}.flute-card{text-align:center;align-items:center;gap:4px}.flute-card svg{margin-bottom:4px}.layers{flex-direction:column;gap:10px;margin-top:6px;display:flex}select{font:inherit;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);width:100%;padding:10px 12px}select:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-light);outline:none}.dim-wrap{align-items:center;gap:20px;display:flex}.dim-wrap .dims{flex:1}@media (width<=560px){.dim-wrap{flex-direction:column;align-items:stretch}}.dims{align-items:flex-end;gap:12px;display:flex}.dims .field{flex:1}.dims .x{color:var(--text-subtle);padding-bottom:11px}.result{background:var(--brand-tint);border:1.5px solid var(--brand)}.result .r-title{color:var(--brand-dark);font-size:15px;font-weight:700}.price-row{justify-content:space-between;align-items:center;display:flex}.price-big{color:var(--brand);font-size:28px;font-weight:700}.price-sub{font-size:13px}.stat-cards{grid-template-columns:repeat(4,1fr);gap:14px;display:grid}@media (width<=720px){.stat-cards{grid-template-columns:repeat(2,1fr)}}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);flex-direction:column;gap:6px;padding:16px 18px;display:flex}.stat-label{color:var(--text-muted);font-size:12px}.stat-value{color:var(--brand-dark);font-size:22px;font-weight:700}.stat-sub{color:var(--text-subtle);font-size:11px}.doc-wrap{max-width:760px;margin:0 auto;padding:32px 20px}.doc-actions{justify-content:space-between;margin-bottom:20px;display:flex}.doc{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px}.doc-head{border-bottom:2px solid var(--text);justify-content:space-between;align-items:flex-start;padding-bottom:16px;display:flex}.doc-title{letter-spacing:8px;margin:0;font-size:28px}.doc-sub{color:var(--text-muted);margin:4px 0 0;font-size:12px}.doc-brand{text-align:right}.doc-brand-name{color:var(--brand);font-size:18px;font-weight:700}.doc-meta{justify-content:space-between;margin:20px 0;font-size:14px;display:flex}.doc-meta>div{align-items:baseline;gap:10px;display:flex}.doc-table{border-collapse:collapse;width:100%;margin-bottom:20px;font-size:14px}.doc-table th,.doc-table td{border:1px solid var(--border);text-align:left;padding:11px 14px}.doc-table th{background:var(--bg);color:#334155;width:180px;font-weight:600}.doc-table .num{text-align:right;font-weight:600}.doc-amount th{background:var(--brand-light);color:var(--brand-dark)}.doc-amount .num{color:var(--brand-dark);font-size:16px}.doc-notes{color:var(--text-muted);margin:24px 0 0;padding-left:18px;font-size:12px;line-height:1.7}@media print{.no-print{display:none!important}.doc-wrap{max-width:none;padding:0}.doc{border:none;border-radius:0;padding:0}body{background:#fff}}.nav{align-items:center;gap:20px;display:flex}.navlink{color:var(--text-muted);font-weight:500}.navlink:hover{color:var(--text)}.navlink.active{color:var(--brand)}.app-shell{--sbw:216px;min-height:100vh}.app-shell.sb-collapsed{--sbw:62px}.sidebar{width:var(--sbw);color:#fff;z-index:60;background:#0b1f44;flex-direction:column;gap:3px;padding:14px 10px;transition:width .2s;display:flex;position:fixed;top:0;bottom:0;left:0;overflow:hidden auto}.sb-brand{white-space:nowrap;align-items:center;gap:9px;padding:6px 8px 12px;font-size:16px;font-weight:800;display:flex}.sb-dot{background:linear-gradient(135deg,#1c6ff2,#5b93f6);border-radius:4px;flex:none;width:14px;height:14px}.sb-name{flex:1}.sb-toggle{color:#fff;cursor:pointer;background:#ffffff1a;border:none;border-radius:8px;flex:none;justify-content:center;align-items:center;width:26px;height:26px;font-size:16px;font-weight:800;display:flex}.sb-toggle:hover{background:#fff3}.side-item{color:#c3cede;white-space:nowrap;border-radius:9px;align-items:center;gap:11px;width:100%;padding:11px 10px;font-size:14px;font-weight:700;text-decoration:none;display:flex}.side-item:hover{color:#fff;background:#ffffff14}.side-item.on{color:#fff;background:#1c6ff2}.side-item .ico{text-align:center;flex:none;width:22px;font-size:17px}.sb-sp{flex:1;min-height:10px}.sb-user{border-top:1px solid #ffffff1f;flex-direction:column;gap:8px;padding:12px 8px 4px;display:flex}.sb-user-info{flex-direction:column;gap:2px;min-width:0;display:flex}.sb-email{color:#c3cede;text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.sb-role{color:#7f92b3;text-transform:uppercase;letter-spacing:.04em;font-size:11px;font-weight:700}.sb-logout{color:#fff;cursor:pointer;background:#ffffff1a;border:none;border-radius:8px;padding:8px;font-family:inherit;font-size:13px;font-weight:700}.sb-logout:hover{background:#fff3}.app-shell .content{margin-left:var(--sbw);transition:margin-left .2s}.app-shell.sb-collapsed .sb-name,.app-shell.sb-collapsed .side-item .lbl,.app-shell.sb-collapsed .sb-user-info,.app-shell.sb-collapsed .sb-logout{display:none}.app-shell.sb-collapsed .sb-brand{justify-content:center;padding-left:0;padding-right:0}.app-shell.sb-collapsed .side-item{justify-content:center;gap:0;padding:11px 0}@media (width<=820px){.app-shell{--sbw:56px}.side-item .lbl,.sb-name,.sb-user-info,.sb-logout{display:none}.side-item{justify-content:center;gap:0;padding:11px 0}.sb-brand{justify-content:center}}.app-shell .content{padding-top:64px}.acct-header{top:0;left:var(--sbw);z-index:55;background:#fff;border-bottom:1px solid #e4e8ee;justify-content:flex-end;align-items:center;gap:12px;height:52px;padding:0 18px;transition:left .2s;display:flex;position:fixed;right:0}.acct-note{color:#8a6d00;background:#fff3cd;border:1px solid #f4e2a1;border-radius:8px;margin-right:auto;padding:5px 11px;font-size:12.5px;font-weight:700}.acct-chipwrap{position:relative}.acct-chip{cursor:pointer;background:#f4f7fb;border:1px solid #e4e8ee;border-radius:999px;align-items:center;gap:9px;padding:5px 12px 5px 6px;font-family:inherit;display:flex}.acct-chip:hover{background:#eef2f7}.acct-av{color:#fff;background:#1c6ff2;border-radius:50%;flex:none;justify-content:center;align-items:center;width:30px;height:30px;font-size:14px;font-weight:800;display:flex}.acct-nm{color:#15202e;text-overflow:ellipsis;white-space:nowrap;max-width:200px;font-size:13.5px;font-weight:800;overflow:hidden}.acct-rb{color:#1457c6;background:#eef4ff;border-radius:6px;padding:1px 7px;font-size:11px;font-weight:800}.acct-rb.staff,.acct-rb.superadmin{color:#fff;background:#111a2e}.acct-caret{color:#9aa5b3;font-size:11px}.acct-menu{z-index:56;background:#fff;border:1px solid #e4e8ee;border-radius:14px;width:240px;padding:10px;position:absolute;top:46px;right:0;box-shadow:0 16px 44px #0b1f4429}.acct-mi{text-align:left;color:#39424f;cursor:pointer;background:0 0;border:none;border-radius:9px;align-items:center;gap:9px;width:100%;padding:9px 8px;font-family:inherit;font-size:13.5px;font-weight:700;display:flex}.acct-mi:hover{background:#f4f7fb}.acct-mi.danger{color:#c2362d}.acct-mi.danger:hover{background:#fdecea}.acct-modal{z-index:1600;background:#0b1f446b;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.acct-box{background:#fff;border-radius:18px;width:100%;max-width:440px;max-height:90vh;padding:24px;overflow-y:auto;box-shadow:0 22px 60px #0b1f443d}.acct-box h3{margin-bottom:4px;font-size:17px;font-weight:800}.acct-box .sub{color:#5b6675;margin-bottom:14px;font-size:12.5px}.acct-box label{color:#39424f;margin:12px 0 5px;font-size:12px;font-weight:800;display:block}.acct-box input:disabled{color:#8a94a3;background:#f4f7fb}.acct-grid{grid-template-columns:1fr 1fr;gap:10px;display:grid}.acct-sec{border-top:1px solid #e4e8ee;margin-top:16px;padding-top:14px}.acct-sec .t{color:#39424f;font-size:12.5px;font-weight:800}.acct-msg{border-radius:9px;margin-top:12px;padding:9px 11px;font-size:12.5px;font-weight:700}.acct-msg.err{color:#c2362d;background:#fdecea}.acct-msg.ok{color:#13724a;background:#e9f9ef}.acct-acts{justify-content:flex-end;gap:8px;margin-top:18px;display:flex}.acct-btn{cursor:pointer;border:none;border-radius:10px;padding:10px 18px;font-family:inherit;font-size:13.5px;font-weight:800}.acct-btn.p{color:#fff;background:#1c6ff2}.acct-btn.g{color:#39424f;background:#eef2f7}@media (width<=820px){.acct-nm{max-width:120px}}.backlink{color:var(--brand);font-size:13px;font-weight:500}.small{font-size:12px}.badge{white-space:nowrap;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:600}.toast-stack{z-index:1000;flex-direction:column;gap:10px;max-width:360px;display:flex;position:fixed;bottom:20px;right:20px}.toast{box-shadow:var(--shadow-card);border-radius:10px;padding:12px 16px;font-size:13.5px;font-weight:500;animation:.18s ease-out toast-in}.toast-success{color:#065f46;background:#ecfdf5;border:1px solid #a7f3d0}.toast-error{color:#991b1b;background:#fef2f2;border:1px solid #fecaca}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.list{overflow-x:auto}.table{border-collapse:collapse;width:100%;font-size:13.5px}.table th{text-align:left;color:var(--text-muted);border-bottom:1px solid var(--border);background:var(--bg);white-space:nowrap;padding:12px 16px;font-size:12px;font-weight:600}.table td{border-bottom:1px solid var(--border);vertical-align:middle;padding:13px 16px}.table tbody tr:last-child td{border-bottom:none}.table tbody tr.clickable{cursor:pointer}.table tbody tr.clickable:hover{background:var(--bg)}.table .num{text-align:right;white-space:nowrap}.table th:first-child,.table td:first-child{padding-left:20px}.table th:last-child,.table td:last-child{padding-right:20px}.table .cell-actions{justify-content:flex-end;gap:6px;display:flex}.table .btn-ghost{padding:5px 10px;font-size:12px}.list{gap:0;padding:0}.order-row{border-bottom:1px solid var(--border);color:var(--text);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.order-row:last-child{border-bottom:none}.order-row:hover{background:var(--bg)}.order-no{color:var(--text);font-weight:600}.order-right{align-items:center;gap:14px;display:flex}.timeline{flex-direction:column;gap:14px;margin:0;padding:0;list-style:none;display:flex}.timeline li{align-items:flex-start;gap:10px;display:flex}.timeline .dot{background:var(--brand);border-radius:50%;flex:none;width:8px;height:8px;margin-top:6px}.code-area{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);resize:vertical;width:100%;padding:12px 14px;font-family:ui-monospace,Cascadia Code,Consolas,monospace;font-size:12.5px;line-height:1.5}.code-area:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-light);outline:none}.admin-panel{border:1.5px dashed var(--border);background:var(--bg)}.admin-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}@media (width<=560px){.admin-grid{grid-template-columns:1fr}}.admin-row{border-bottom:1px solid var(--border);align-items:center;gap:14px;padding:14px 20px;display:flex}.admin-row:last-child{border-bottom:none}.admin-main{flex-direction:column;flex:1;gap:2px;display:flex}.admin-actions{flex-wrap:wrap;gap:8px;display:flex}
