:root{--navy:#0b1739;--blue:#2563eb;--bg:#f4f7fb;--text:#0f172a;--muted:#64748b;--line:#e2e8f0;--green:#059669;--orange:#ea580c;--red:#dc2626;font-family:Pretendard,"Apple SD Gothic Neo","Malgun Gothic",Arial,sans-serif;color:var(--text)}
*{box-sizing:border-box}
body{margin:0;font-size:16px;background:var(--bg)}
button,input{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
.hidden{display:none!important}
.app-shell{min-height:100vh}
.sidebar{position:fixed;inset:0 auto 0 0;width:256px;background:var(--navy);color:#fff;display:flex;flex-direction:column;z-index:10}
.brand{height:80px;padding:0 24px;display:flex;align-items:center;gap:12px;border-bottom:1px solid #ffffff18}
.brand-icon,.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:#3b82f6;color:#fff;font-weight:800;box-shadow:0 12px 30px #02061766}
.brand-symbol{display:block;width:40px;height:40px;object-fit:contain;border-radius:11px;background:#fff;padding:2px;box-shadow:0 12px 30px #02061766}
.brand span:last-child{display:flex;flex-direction:column}
.brand strong{font-size:16px}
.brand small{margin-top:3px;font-size:12px;color:#bfdbfeb3}
.sidebar nav{display:flex;flex:1;flex-direction:column;gap:8px;padding:28px 16px}
.nav-label{padding:0 12px 8px;font-size:12px;letter-spacing:.16em;color:#bfdbfe80}
.nav-item{display:flex;align-items:center;gap:12px;border:0;border-radius:12px;padding:12px;color:#bfdbfeb8;background:transparent;font-size:14px;font-weight:600;cursor:pointer;text-align:left}
.nav-item:hover{background:#ffffff0f;color:#fff}
.nav-item.active{background:var(--blue);color:#fff}
.user-card{margin-top:auto;border-top:1px solid #ffffff18;padding:16px;display:flex;align-items:center;gap:10px}
.avatar{display:grid;place-items:center;flex:0 0 36px;height:36px;border-radius:50%;background:#60a5fa33;color:#dbeafe;font-weight:700}
.user-copy{display:flex;min-width:0;flex:1;flex-direction:column}
.user-copy strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}
.user-copy small{margin-top:3px;font-size:11px;color:#bfdbfe99}
.user-card form button{border:0;background:transparent;color:#bfdbfe80;cursor:pointer}
.main-content{min-height:100vh;margin-left:256px}
.topbar{height:81px;padding:16px 40px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:#fffffff0}
.topbar p{margin:0;color:var(--blue);font-size:14px;font-weight:700}
.topbar h1{margin:4px 0 0;font-size:24px;letter-spacing:-.03em}
.system-ok{display:flex;align-items:center;gap:8px;border:1px solid #a7f3d0;border-radius:999px;background:#ecfdf5;padding:7px 12px;color:#047857;font-size:14px;font-weight:700}
.system-ok i{width:8px;height:8px;border-radius:50%;background:#10b981}
.mobile-nav{display:none}
.workspace{max-width:1280px;margin:auto;padding:38px 40px}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.metrics article{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--line);border-radius:16px;background:#fff;padding:20px;box-shadow:0 2px 7px #0f172a08}
.metrics article>div{order:-1}
.metrics p{margin:0;color:var(--muted);font-size:14px;font-weight:600}
.metrics strong{display:block;margin-top:8px;font-size:25px}
.metrics strong small{color:#94a3b8;font-size:13px}
.metric-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;font-weight:800}
.metric-icon.blue{background:#eff6ff;color:var(--blue)}
.metric-icon.slate{background:#f1f5f9;color:#475569}
.metric-icon.green{background:#ecfdf5;color:var(--green)}
.metric-icon.orange{background:#fff7ed;color:var(--orange)}
.content-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(320px,.8fr);gap:24px;align-items:start}
.panel{overflow:hidden;border:1px solid var(--line);border-radius:17px;background:#fff;box-shadow:0 10px 35px -30px #0f172a99}
.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;border-bottom:1px solid #f1f5f9;padding:22px 24px}
.panel-head h2{margin:0;font-size:20px;letter-spacing:-.02em}
.panel-head p{margin:7px 0 0;color:var(--muted);font-size:14px;line-height:1.5}
.panel-body{padding:24px}
.outline-btn{display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;border:1px solid #cbd5e1;border-radius:9px;background:#fff;padding:8px 12px;color:#334155;text-decoration:none;font-size:14px;font-weight:700;cursor:pointer}
.outline-btn:hover{background:#f8fafc}
.drop-zone{display:grid;min-height:286px;place-items:center;border:2px dashed #cbd5e1;border-radius:16px;background:#f8fafcc0;padding:35px 24px;text-align:center;transition:.18s}
.drop-zone.dragging{border-color:#3b82f6;background:#eff6ff}
.drop-zone label{cursor:pointer}
.upload-icon,.excel-icon{display:grid;width:64px;height:64px;margin:0 auto 18px;place-items:center;border:1px solid var(--line);border-radius:16px;background:#fff;color:var(--blue);font-size:30px;font-weight:800;box-shadow:0 5px 15px #0f172a0a}
.excel-icon{border:0;background:#2563eb;color:#fff;font-size:22px}
.drop-zone strong,.drop-zone small{display:block}
.drop-zone label strong{font-size:18px}
.drop-zone label small{margin-top:8px;color:var(--muted);font-size:13px}
.file-selected{width:100%;max-width:480px}
.file-selected>strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:18px}
.file-selected>small{margin:6px 0 10px;color:var(--muted);font-size:13px}
.file-selected button{border:0;background:transparent;color:#64748b;font-size:13px;cursor:pointer}
.primary-btn{display:inline-flex;width:100%;align-items:center;justify-content:center;border:0;border-radius:11px;background:var(--blue);padding:13px 18px;color:#fff;font-weight:800;cursor:pointer}
.primary-btn:hover{background:#1d4ed8}
.primary-btn:disabled{cursor:not-allowed;opacity:.45}
.process-btn{margin-top:22px}
.progress-box{margin-top:20px;border:1px solid #bfdbfe;border-radius:12px;background:#eff6ff;padding:15px}
.progress-box>div:first-child{display:flex;justify-content:space-between;color:#1e3a8a;font-size:14px}
.progress-track{height:8px;margin-top:12px;overflow:hidden;border-radius:99px;background:#dbeafe}
.progress-track i{display:block;width:8%;height:100%;border-radius:99px;background:var(--blue);transition:width .25s}
.progress-box>small{display:block;margin-top:10px;color:#1d4ed8aa;font-size:12px}
.side-stack{display:grid;gap:24px}
.rules-panel .panel-head h2{font-size:16px}
.rule-list{display:grid;gap:18px}
.rule-list>div{display:flex;gap:12px}
.rule-list i{color:#10b981;font-style:normal;font-weight:800}
.rule-list span{display:flex;flex-direction:column}
.rule-list strong{font-size:14px}
.rule-list small{margin-top:4px;color:var(--muted);font-size:13px}
.saving-card{border-radius:17px;background:var(--navy);padding:24px;color:#fff;box-shadow:0 15px 30px -20px #0b173999}
.saving-card p{margin:0;color:#bfdbfe;font-size:14px;font-weight:700}
.saving-card div{display:flex;align-items:flex-end;gap:12px;margin:15px 0}
.saving-card strong{font-size:36px;letter-spacing:-.04em}
.saving-card strong:last-child{color:#55e6c1}
.saving-card span{padding-bottom:7px;color:#93c5fd}
.saving-card small{color:#dbeafeb3;line-height:1.6}
.result-panel{margin-top:24px}
.result-head{display:flex;align-items:center;gap:10px}
.badge{display:inline-flex;border-radius:999px;padding:4px 9px;font-size:12px;font-weight:800}
.badge.success{background:#ecfdf5;color:#047857}
.badge.partial{background:#fffbeb;color:#b45309}
.badge.failed{background:#fef2f2;color:#b91c1c}
.result-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.result-metrics div{border-radius:12px;background:#f8fafc;padding:15px}
.result-metrics p{margin:0;color:var(--muted);font-size:13px}
.result-metrics strong{display:block;margin-top:5px;font-size:23px}
.result-metrics .good{color:var(--green)}
.result-metrics .bad{color:var(--orange)}
.reason-title{margin:22px 0 10px;font-size:14px}
.reason-list{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.reason-list div{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--line);border-radius:9px;padding:11px 13px;font-size:13px}
.history-panel{min-height:350px}
.table-wrap{overflow:auto}
.table-wrap table{width:100%;border-collapse:collapse;font-size:14px}
.table-wrap th,.table-wrap td{padding:14px 16px;border-bottom:1px solid #f1f5f9;text-align:left;white-space:nowrap}
.table-wrap th{color:#475569;font-size:13px}
.table-wrap td:first-child{max-width:280px;overflow:hidden;text-overflow:ellipsis;font-weight:700}
.table-wrap .number-cell{text-align:right}
.empty-row{text-align:center!important;color:#94a3b8;padding:80px 20px!important}
.download-link{color:var(--blue);font-weight:700;text-decoration:none}
.alert{border-radius:11px;padding:13px 15px;margin-bottom:18px;font-size:14px;line-height:1.5}
.alert-error{border:1px solid #fecaca;background:#fef2f2;color:#b91c1c}
.alert-success{border:1px solid #a7f3d0;background:#ecfdf5;color:#047857}
.login-body,.install-body{min-height:100vh;background:linear-gradient(135deg,#07122f,#153376);padding:32px}
.login-wrap,.install-wrap{min-height:calc(100vh - 64px);display:grid;place-items:center}
.login-card,.install-card{width:min(100%,440px);border-radius:22px;background:#fff;padding:36px;box-shadow:0 30px 80px #02061766}
.install-card{width:min(100%,720px)}
.login-card .brand-mark,.install-card .brand-mark{margin-bottom:20px}
.login-logo,.install-logo{display:block;width:72px;height:72px;margin-bottom:20px;border-radius:16px;object-fit:contain}
.eyebrow{margin:0;color:var(--blue);font-size:13px;font-weight:800}
.login-card h1,.install-card h1{margin:7px 0 0;font-size:28px}
.login-lead,.install-lead{margin:10px 0 24px;color:var(--muted);line-height:1.6}
.login-form,.install-form{display:grid;gap:16px}
.login-form label,.install-form label{display:grid;gap:7px;color:#334155;font-size:14px;font-weight:700}
.login-form input,.install-form input{width:100%;border:1px solid #cbd5e1;border-radius:10px;padding:12px;outline:0}
.login-form input:focus,.install-form input:focus{border-color:#60a5fa;box-shadow:0 0 0 3px #dbeafe}
.install-form h2{margin:10px 0 0;font-size:16px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid .full{grid-column:1/-1}
.install-form small{color:var(--muted);font-weight:400}
.check{display:flex!important;grid-template-columns:auto 1fr!important;align-items:flex-start}
.check input{width:auto;margin-top:3px}
@media(max-width:1080px){.metrics{grid-template-columns:repeat(2,1fr)}
.content-grid{grid-template-columns:1fr}
}
@media(max-width:800px){.sidebar{display:none}
.main-content{margin-left:0}
.topbar{height:auto;padding:16px 20px}
.topbar h1{font-size:20px}
.system-ok{display:none}
.mobile-nav{display:flex;gap:6px;border-bottom:1px solid var(--line);background:#fff;padding:8px 16px}
.mobile-nav .nav-item{color:#64748b}
.mobile-nav .nav-item.active{background:#eff6ff;color:var(--blue)}
.workspace{padding:24px 18px}
.panel-head{padding:20px;flex-wrap:wrap}
.panel-body{padding:20px}
.result-metrics,.reason-list{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:540px){.metrics{grid-template-columns:1fr 1fr;gap:10px}
.metrics article{padding:15px}
.metric-icon{display:none}
.metrics strong{font-size:21px}
.drop-zone{min-height:240px;padding:28px 16px}
.result-metrics{grid-template-columns:1fr 1fr}
.form-grid{grid-template-columns:1fr}
.form-grid .full{grid-column:auto}
.login-body,.install-body{padding:16px}
.login-wrap,.install-wrap{min-height:calc(100vh - 32px)}
.login-card,.install-card{padding:26px 20px}
}