:root{
  --blue:#16307a; --blue2:#2456c9; --teal:#159a8c; --ink:#1f2937; --mut:#6b7280;
  --line:#e5e7eb; --bg:#f5f6f8; --card:#fff; --warn:#e2a300; --danger:#c0392b; --ok:#159a8c;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Malgun Gothic","Apple SD Gothic Neo",sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.55;font-size:14px}
a{color:var(--blue2);text-decoration:none}
h1{font-size:22px;margin:0 0 4px}
h2{font-size:16px;margin:0 0 12px;color:var(--blue)}

/* topbar */
.topbar{background:linear-gradient(135deg,#16307a,#2456c9);color:#fff}
.topbar-in{max-width:1320px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:56px}
.brand{color:#fff;font-weight:700;font-size:16px}
.brand-mark{background:rgba(255,255,255,.2);padding:2px 8px;border-radius:5px;letter-spacing:.08em;font-size:12px;margin-right:6px}
.nav a{color:rgba(255,255,255,.82);margin-left:18px;font-size:14px;padding:4px 2px;border-bottom:2px solid transparent}
.nav a:hover{color:#fff}
.nav a.active{color:#fff;border-bottom-color:#fff}

.container{max-width:1320px;margin:22px auto;padding:0 20px 60px}
.footer{max-width:1320px;margin:0 auto;padding:18px 20px 40px;color:var(--mut);font-size:12px;border-top:1px solid var(--line)}

.page-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:16px;gap:16px;flex-wrap:wrap}
.page-head .sub{color:var(--mut);margin:0}
.driver-badge{background:#eef2fb;color:#243b6b;border:1px solid #d5def5;border-radius:20px;padding:5px 14px;font-size:13px}

.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin-bottom:18px;box-shadow:0 1px 2px rgba(0,0,0,.03)}

/* form grids */
.grid{display:grid;gap:12px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-5{grid-template-columns:repeat(5,1fr)}
@media(max-width:860px){.grid-4,.grid-5{grid-template-columns:repeat(2,1fr)}}
label{display:flex;flex-direction:column;gap:5px;font-size:13px;color:#374151;font-weight:600}
select,input[type=text],input[type=number]{padding:8px 10px;border:1px solid #cbd5e1;border-radius:8px;font-size:14px;background:#fff;font-weight:400;color:var(--ink)}
select:focus,input:focus{outline:none;border-color:var(--blue2);box-shadow:0 0 0 3px rgba(36,86,201,.12)}
.more{margin-top:12px}
.more summary{cursor:pointer;color:var(--blue2);font-weight:600;font-size:13px;margin-bottom:10px}
.vehinfo{margin:10px 0 0;color:var(--mut);font-size:13px;min-height:18px}
.vehinfo .restrict{color:var(--danger);font-weight:700}

.actions{margin-top:16px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.calc-status{color:var(--mut);font-size:13px}
.hint{color:var(--mut);font-size:12px}

/* buttons */
.btn{background:#eef2f7;border:1px solid #d5dee8;color:#243b6b;padding:9px 16px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;display:inline-block}
.btn:hover{background:#e3ebf5}
.btn-primary{background:var(--blue2);border-color:var(--blue2);color:#fff}
.btn-primary:hover{background:#1c47ad}
.btn-danger{background:#fbeaea;border-color:#f0c9c9;color:var(--danger)}
.btn-xs{padding:4px 9px;font-size:12px}
.btn[disabled]{opacity:.55;cursor:not-allowed}

/* tabs */
.tabs{display:flex;gap:6px;margin-bottom:14px;border-bottom:2px solid var(--line)}
.tab{background:none;border:none;padding:10px 18px;font-size:15px;font-weight:600;color:var(--mut);cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-2px}
.tab.active{color:var(--blue);border-bottom-color:var(--blue2)}
.tabpane{display:none}
.tabpane.active{display:block}

/* tables */
table{width:100%;border-collapse:collapse}
.grid-table{font-size:13px}
.grid-table th,.grid-table td{border:1px solid var(--line);padding:8px 10px;text-align:left;white-space:nowrap}
.grid-table th{background:#eef2fb;color:#243b6b;font-weight:600;position:sticky;top:0}
.grid-table td.num,.grid-table th.num{text-align:right}
.grid-table.compact th,.grid-table.compact td{padding:6px 8px}
.grid-table tbody tr:hover{background:#f8fafc}
.table-wrap{overflow:auto;max-width:100%;border:1px solid var(--line);border-radius:10px}
.table-wrap .grid-table th,.table-wrap .grid-table td{border-left:none;border-top:none}
td.code,.code{font-family:ui-monospace,Menlo,monospace;color:#6b7280;font-size:12px}
.ellipsis{max-width:220px;overflow:hidden;text-overflow:ellipsis}
.highlight-col{background:#fff7e6}
.matrix-total{font-weight:700;color:var(--blue)}

.mini-list{margin-top:12px;font-size:13px}
.mini-list th,.mini-list td{border-bottom:1px solid var(--line);padding:7px 8px;text-align:left}
.mini-list th{color:var(--mut);font-weight:600}
.mini-list .empty td{color:var(--mut);text-align:center}

/* pills / alerts */
.pill{display:inline-block;padding:2px 9px;border-radius:12px;font-size:12px;font-weight:600}
.pill-period{background:#e8f0ff;color:#2456c9}
.pill-compare{background:#e9f7f4;color:#0f7d70}
.pill-restrict{background:#fdeaea;color:var(--danger)}
.pill-ok{background:#e9f7f4;color:#0f7d70}
.alert{background:#fff8ec;border-left:4px solid var(--warn);padding:12px 16px;border-radius:8px;margin-bottom:16px}
.muted{color:var(--mut)}
.nowrap{white-space:nowrap}
.hidden{display:none}

/* result */
.result .summary{display:flex;gap:22px;flex-wrap:wrap;margin-bottom:14px}
.result .kpi{background:#f8fafc;border:1px solid var(--line);border-radius:10px;padding:12px 18px;min-width:150px}
.result .kpi span{display:block;color:var(--mut);font-size:12px;margin-bottom:3px}
.result .kpi b{font-size:20px;color:var(--blue)}
.result .meta{color:var(--mut);font-size:12px;margin-bottom:10px}
.result h2 .sub{font-weight:400;color:var(--mut);font-size:13px}
.export-bar{display:flex;gap:8px;margin:8px 0 4px}

/* stats */
.stat-row{display:flex;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.stat{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 22px;text-align:center}
.stat b{display:block;font-size:24px;color:var(--blue)}
.stat span{color:var(--mut);font-size:12px}

.inline-form{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.json-box{max-width:520px}
.json-box pre{background:#0b1b3a;color:#e6edf3;padding:8px 10px;border-radius:6px;overflow:auto;font-size:11px;margin:4px 0 8px;max-height:220px}
details summary{cursor:pointer}

/* 풀폭 레이아웃(전량 견적) */
.container-wide{max-width:100%;padding-left:24px;padding-right:24px}

/* 전량 견적 실행 요약 */
.run-summary{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.run-summary .rs{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 16px;min-width:96px}
.run-summary .rs span{display:block;color:var(--mut);font-size:11px;margin-bottom:3px}
.run-summary .rs b{font-size:16px;color:#243b6b}
.run-summary .rs.hi{background:#eef6ff;border-color:#cfe0fb}
.run-summary .rs.hi b{color:var(--blue2);font-size:18px}

/* 전량 견적 엑셀 그리드 */
.bulk-toolbar{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;margin-bottom:12px}
.bulk-toolbar .tb{display:flex;flex-direction:column;gap:4px;font-size:12px;color:#374151;font-weight:600}
.bulk-toolbar .tb-count{color:var(--blue);font-size:13px;font-weight:600;align-self:center}
.bulk-toolbar .export-bar{margin-left:auto;align-self:center}
.bulk-wrap{max-height:70vh;overflow:auto;border:1px solid var(--line);border-radius:10px}
.bulk-grid{font-size:12px}
.bulk-grid thead th{position:sticky;top:0;z-index:2;white-space:nowrap;user-select:none}
.bulk-grid thead th a{color:#243b6b;text-decoration:none;display:block}
.bulk-grid thead th:hover{background:#e3ebf5}
.bulk-grid thead th.sorted{background:#dbe4f5}
.bulk-grid td{white-space:nowrap}
.bulk-grid tr.rest-row{color:#9aa1ab;background:#fcfcfd}

/* 페이지네이션 */
.pager{display:flex;align-items:center;gap:8px;margin-top:12px;flex-wrap:wrap}
.pager .pager-cur{font-weight:600;color:#243b6b;padding:0 6px}
.pager .btn.disabled{opacity:.4;pointer-events:none}
.pager .run-sel{margin-left:auto;color:var(--mut);font-size:12px}

/* ═══════════ 앱 셸: 헤더 + 사이드바 + 컨텐츠(100%) ═══════════ */
body.app{margin:0;background:var(--bg)}
.app-header{position:sticky;top:0;z-index:30;height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;background:linear-gradient(135deg,#16307a,#2456c9);color:#fff}
.ah-left{display:flex;align-items:center;gap:14px}
.hamburger{width:34px;height:34px;border:none;background:rgba(255,255,255,.15);border-radius:8px;cursor:pointer;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:3px;padding:0}
.hamburger:hover{background:rgba(255,255,255,.26)}
.hamburger span{display:block;width:16px;height:2px;background:#fff;border-radius:2px}
.app-brand{color:#fff;font-weight:700;font-size:16px;text-decoration:none}
.ab-mark{background:rgba(255,255,255,.2);padding:2px 8px;border-radius:5px;font-size:12px;letter-spacing:.06em;margin-right:6px}
.ah-right{display:flex;align-items:center;gap:12px}
.ah-user{font-size:13px;opacity:.92}

.app-body{display:flex;min-height:calc(100vh - 56px)}
.app-sidebar{width:220px;flex:0 0 220px;background:#0f1f45;color:#c7d2e8;transition:flex-basis .18s ease,width .18s ease;overflow:hidden;display:flex;flex-direction:column}
.side-nav{padding:12px 10px;display:flex;flex-direction:column;gap:2px}
.side-link{display:flex;align-items:center;gap:11px;padding:11px 14px;border-radius:9px;color:#c7d2e8;text-decoration:none;font-size:14px;white-space:nowrap}
.side-link:hover{background:rgba(255,255,255,.07);color:#fff}
.side-link.active{background:#2456c9;color:#fff;font-weight:600}
.si-icon{font-size:16px;width:20px;text-align:center;flex:0 0 20px}
.side-foot{margin-top:auto;padding:14px;color:#5f6f92;font-size:11px;white-space:nowrap}
.app-content{flex:1 1 auto;min-width:0;width:100%;padding:22px 26px 60px}

/* 접힘 */
body.sidebar-collapsed .app-sidebar{width:0;flex-basis:0}
@media(max-width:760px){.app-sidebar{width:0;flex-basis:0}body.sidebar-collapsed .app-sidebar{width:220px;flex-basis:220px}}

/* ═══════════ 로그인 (2열: 브랜드 | 폼) ═══════════ */
.auth-body{margin:0;min-height:100vh;background:#0f1f45;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Malgun Gothic",sans-serif;color:var(--ink)}
.login-split{display:flex;min-height:100vh}
.login-brand{flex:1 1 50%;background:linear-gradient(135deg,#16307a 0%,#2456c9 62%,#159a8c 130%);color:#fff;display:flex;flex-direction:column;justify-content:space-between;padding:56px 60px}
.lb-badge{display:inline-block;background:rgba(255,255,255,.16);padding:5px 14px;border-radius:20px;font-size:12px;letter-spacing:.14em;margin-bottom:44px}
.lb-logo{font-size:44px;font-weight:800;letter-spacing:.04em;margin-bottom:18px}
.login-brand h1{font-size:30px;line-height:1.32;margin:0 0 14px}
.lb-desc{opacity:.9;font-size:15px;margin:0 0 30px}
.lb-points{list-style:none;padding:0;margin:0;opacity:.94}
.lb-points li{padding:7px 0 7px 24px;position:relative;font-size:14px}
.lb-points li::before{content:'✓';position:absolute;left:0;color:#8fe3d6;font-weight:700}
.lb-foot{opacity:.7;font-size:12px}
.login-panel{flex:1 1 50%;display:flex;align-items:center;justify-content:center;background:#f5f6f8;padding:40px}
.lp-inner{width:100%;max-width:360px}
.lp-inner h2{font-size:24px;margin:0 0 6px;color:#16307a}
.lp-sub{color:var(--mut);margin:0 0 26px}
.login-form .field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;font-weight:600;font-size:13px;color:#374151}
.login-form input{padding:12px 14px;border:1px solid #cbd5e1;border-radius:9px;font-size:15px}
.login-form input:focus{outline:none;border-color:#2456c9;box-shadow:0 0 0 3px rgba(36,86,201,.14)}
.btn-block{width:100%;padding:12px;font-size:15px;margin-top:6px;cursor:pointer}
.login-error{background:#fdeaea;border-left:4px solid #c0392b;color:#a5281b;padding:11px 14px;border-radius:8px;margin-bottom:18px;font-size:14px}
.lp-foot{color:#9aa1ab;font-size:12px;margin-top:26px;text-align:center}
@media(max-width:820px){.login-brand{display:none}}

/* 설명서 */
.doc-toc{display:flex;gap:8px;flex-wrap:wrap;align-items:center;font-size:14px}
.doc-flow{background:#0b1b3a;color:#e6edf3;padding:12px 16px;border-radius:8px;font-size:12px;overflow:auto;line-height:1.6}