:root{
    --navy:#2b2547;
    --navy-soft:#5b5480;
    --accent:#8b7cf6;
    --accent2:#5aa9e6;
    --accent-soft:#f1eefd;
    --accent-hover:#7566e0;
    --red:#e0607a;
    --red-soft:#fff0f4;
    --bg:#f7f6fb;
    --surface:#ffffff;
    --border:#ece9f7;
    --text:#2b2547;
    --muted:#948fb0;
    --ok:#3fae8a;
    /* legacy aliases kept so existing component styles keep working */
    --navy2:var(--navy-soft);
    --blue:var(--accent);
    --blue-light:var(--accent-soft);
    --gray-bg:var(--bg);
  }
  *{box-sizing:border-box;}
  html,body{margin:0;padding:0;background:var(--bg);color:var(--text);
    font-family:"Noto Sans KR","Malgun Gothic","Apple SD Gothic Neo",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
    font-size:14px;line-height:1.5;}
  h1,h2,h3,h4{margin:0.2em 0 0.5em;color:var(--navy);}
  button{cursor:pointer;font-family:inherit;}
  input,select,button{font-size:14px;font-family:inherit;}
  table{border-collapse:collapse;width:100%;}
  th,td{border:1px solid var(--border);padding:6px 8px;text-align:center;white-space:nowrap;}
  th{background:var(--accent-soft);color:var(--navy);font-weight:600;}

  /* ---------------- 전체 레이아웃: 상단 통헤더 + 사이드바 + 콘텐츠 (소프트 카드 컨셉) ---------------- */
  .app-topbar{width:100%;height:64px;box-sizing:border-box;background:var(--surface);
    border-bottom:1px solid var(--border);box-shadow:0 2px 12px rgba(139,124,246,.07);
    display:flex;align-items:center;padding:0 24px;position:sticky;top:0;left:0;z-index:200;}
  .app-topbar-brand{display:flex;align-items:center;gap:12px;}
  .app-topbar-title{display:flex;align-items:center;font-size:16px;font-weight:800;color:var(--navy);white-space:nowrap;}
  .app-topbar-title .sep{color:var(--muted);font-weight:500;margin:0 10px;}
  .app-topbar-title .free-badge{display:inline-flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-size:11.5px;font-weight:800;
    border-radius:20px;padding:3px 12px;margin-left:10px;letter-spacing:.2px;}

  .shell{display:flex;min-height:calc(100vh - 64px);align-items:flex-start;gap:16px;padding:16px 16px 16px 16px;}

  .sidebar{width:236px;flex:0 0 236px;background:var(--surface);border-radius:20px;
    box-shadow:0 4px 20px rgba(139,124,246,.10);position:sticky;top:80px;
    max-height:calc(100vh - 96px);overflow-y:auto;display:flex;flex-direction:column;padding:22px 16px;z-index:60;}
  .brand-logo{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;
    background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-weight:800;font-size:12.5px;letter-spacing:.2px;flex:0 0 auto;}
  .brand-logo img{height:22px;display:block;}
  .app-topbar-brand .name{font-size:13px;font-weight:700;color:var(--navy);line-height:1.3;}
  .app-topbar-brand .name small{display:block;font-size:10.5px;color:var(--muted);font-weight:500;}

  .side-nav{flex:1;display:flex;flex-direction:column;gap:6px;}
  .tab-btn{background:none;border:none;color:var(--muted);
    padding:12px 16px;font-size:13.5px;font-weight:700;text-align:left;border-radius:14px;
    display:flex;align-items:center;gap:10px;transition:.15s;}
  .tab-btn .ic{font-size:15px;width:18px;text-align:center;}
  .tab-btn:hover{color:var(--navy);background:#faf9fd;}
  .tab-btn.active{color:var(--accent-hover);background:var(--accent-soft);font-weight:800;}

  .sidebar-foot{margin-top:16px;background:var(--accent-soft);border-radius:14px;padding:14px 16px;font-size:11.5px;color:var(--muted);line-height:1.5;}
  .sidebar-foot .cs-label{display:block;}
  .sidebar-foot .cs-num{display:block;color:var(--navy);font-size:14px;font-weight:800;margin-top:3px;}

  .main-col{flex:1;min-width:0;display:flex;flex-direction:column;gap:14px;}

  .top-header-bar{background:transparent;box-shadow:none;border:none;
    padding:6px 6px 2px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;}
  .top-header-bar .page-title{font-size:21px;font-weight:800;color:var(--navy);}
  .top-header-bar .page-sub{font-size:12.5px;color:var(--muted);margin-top:3px;}
  .top-header-bar .header-right{font-size:12px;color:var(--muted);}

  .warn-banner{background:var(--red-soft);color:var(--red);border-radius:14px;
    padding:11px 22px;font-size:12.5px;font-weight:700;text-align:center;}
  .warn-banner b{text-decoration:underline;}

  .content-area{display:flex;flex-direction:column;gap:0;}

  .tab-panel{display:none;}
  .tab-panel.active{display:block;}

  .card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px 22px;margin-bottom:16px;box-shadow:0 2px 10px rgba(139,124,246,.06);}
  .card h3{border-left:4px solid var(--accent);padding-left:10px;font-size:16px;}
  .card h4{font-size:14px;color:var(--navy-soft);margin-top:14px;}

  /* 자동 계산 요약 카드(입력 카드와 시각적으로 구분) */
  .card.summary-block{background:var(--bg);border:1.5px dashed var(--navy-soft);box-shadow:none;}
  .card.summary-block h3{border-left-color:var(--navy-soft);display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
  .card.summary-block h4{color:var(--navy);}
  .card.summary-block .summary-table td{background:var(--surface);}
  .auto-badge{display:inline-flex;align-items:center;font-size:11px;font-weight:700;color:var(--navy-soft);
    background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:3px 11px;}

  .flex{display:flex;gap:10px;flex-wrap:wrap;align-items:center;}
  .btn{display:inline-block;background:var(--accent);color:#fff;border:none;border-radius:10px;padding:9px 17px;font-weight:700;font-size:13px;transition:.15s;}
  .btn:hover{background:var(--accent-hover);}
  .btn.secondary{background:var(--surface);color:var(--accent-hover);border:1px solid var(--accent);}
  .btn.secondary:hover{background:var(--accent-soft);}
  .btn.danger{background:var(--surface);color:var(--red);border:1px solid var(--red);}
  .btn.danger:hover{background:var(--red-soft);}
  .btn.small{padding:5px 11px;font-size:12px;border-radius:8px;}
  .btn:disabled{opacity:.4;cursor:not-allowed;}

  .grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
  @media (max-width:1000px){.grid-2{grid-template-columns:1fr;}}

  .input-table input, .input-table select{width:100%;border:1px solid var(--border);border-radius:8px;padding:6px 4px;text-align:center;background:#fff;}
  .input-table input:focus, .input-table select:focus{outline:2px solid var(--accent-soft);border-color:var(--accent);}
  .input-table td{padding:4px;}
  .input-table th{font-size:12.5px;}
  .input-table tr.row-incomplete input, .input-table tr.row-incomplete select{border-color:var(--red);background:var(--red-soft);}
  .input-table tr.row-incomplete{position:relative;}
  .row-del{color:var(--red);font-weight:700;background:none;border:none;font-size:16px;border-radius:8px;padding:2px 8px;}
  .row-del:hover{background:var(--red-soft);}

  .summary-table td.num, .summary-table th.num{text-align:center;}
  .summary-table td{background:#fff;}
  .summary-table tr.grp-total td{background:var(--accent-soft);font-weight:700;}
  .summary-table thead tr:first-child th{background:var(--accent);color:#fff;}
  .summary-table thead tr:nth-child(2) th{background:var(--accent-soft);color:var(--navy);}

  .pill{display:inline-block;background:var(--accent-soft);color:var(--accent-hover);border-radius:14px;padding:3px 12px;font-size:12px;font-weight:700;}
  .pill.full{background:var(--red-soft);color:var(--red);}

  .search-bar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px;}
  .search-bar select, .search-bar input[type=text]{padding:8px 12px;border:1px solid var(--border);border-radius:10px;background:#fbfaff;}
  .search-bar input[type=text]{flex:1;min-width:180px;}
  .search-bar select:focus, .search-bar input:focus{outline:none;border-color:var(--accent);}

  #searchResultInfo{color:var(--muted);font-size:12.5px;margin:6px 0;}
  #searchResultsTable td{white-space:nowrap;font-size:12.5px;text-align:left;overflow:hidden;text-overflow:ellipsis;max-width:320px;}
  #searchResultsTable td.center, #searchResultsTable th.center{text-align:center;}
  #searchResultsTable{table-layout:auto;}
  #searchResultsTable th{font-size:12px;white-space:nowrap;}
  /* 26학년도경쟁률 / 26학년도입결(등급) 열: 엑셀 원본과 동일하게 회색 음영 처리 */
  #searchResultsTable th.shade-col{background:#bdbdbd;color:var(--navy);}
  #searchResultsTable td.shade-col{background:#e4e4e4;}

  /* 검색결과 표: 스크롤 영역을 화면 안에 고정 + 헤더 스티키(가로 스크롤바가 화면 맨 아래로 밀리지 않도록) */
  .search-table-wrap{overflow:auto;max-height:64vh;border:1px solid var(--border);border-radius:12px;}
  .search-table-wrap #searchResultsTable{margin:0;}
  .search-table-wrap #searchResultsTable thead th{position:sticky;top:0;z-index:5;box-shadow:0 1px 0 var(--border);}
  .search-table-wrap #searchResultsTable td:first-child,
  .search-table-wrap #searchResultsTable th:first-child{position:sticky;left:0;z-index:4;background:var(--surface);}
  .search-table-wrap #searchResultsTable thead th:first-child{z-index:6;}

  .grade-strip{display:flex;flex-wrap:wrap;border-radius:14px;overflow:hidden;box-shadow:0 2px 10px rgba(139,124,246,.08);margin-bottom:14px;}
  .grade-strip .gs-label{background:var(--accent);color:#fff;font-weight:800;font-size:13.5px;padding:12px 20px;
    display:flex;align-items:center;gap:6px;flex:2 1 260px;}
  .grade-strip .gs-label small{font-weight:500;font-size:11px;opacity:.85;}
  .grade-strip .gs-item{display:flex;flex:1 1 130px;}
  .grade-strip .gs-name{background:var(--ok);color:#fff;font-weight:700;font-size:12.5px;padding:12px 10px;
    display:flex;align-items:center;justify-content:center;flex:1;white-space:nowrap;}
  .grade-strip .gs-value{background:#eaf7f1;color:var(--navy);font-weight:800;font-size:14px;padding:12px 10px;
    display:flex;align-items:center;justify-content:center;flex:1;}

  .mylist-item{display:flex;justify-content:space-between;align-items:center;background:#fbfaff;border:1px solid var(--border);border-radius:12px;padding:9px 12px;margin-bottom:6px;font-size:13px;}
  .mylist-item .info{flex:1;}
  .mylist-item .num{display:inline-block;width:22px;height:22px;line-height:22px;border-radius:50%;background:var(--accent);color:#fff;font-size:12px;text-align:center;margin-right:8px;}

  /* ---------------- 안내 탭 ---------------- */
  .guide-hero{background:linear-gradient(120deg,var(--accent),var(--accent2));color:#fff;border-radius:22px;
    padding:40px 44px;margin-bottom:18px;box-shadow:0 10px 28px rgba(139,124,246,.25);}
  .guide-hero h2{color:#fff;text-align:left;font-size:25px;margin:0;border:none;padding:0;letter-spacing:-.3px;line-height:1.35;white-space:nowrap;}
  .guide-hero p{margin:14px 0 0;color:rgba(255,255,255,.92);font-size:14.5px;line-height:1.8;max-width:100%;}
  .guide-hero .badge{display:inline-block;background:rgba(255,255,255,.22);border:1px solid rgba(255,255,255,.4);
    border-radius:20px;padding:4px 14px;font-size:12px;font-weight:700;margin-bottom:16px;letter-spacing:.3px;}

  .notice{background:#fff8ea;border:none;border-radius:14px;
    padding:15px 20px;margin:22px 0 0;color:#8a5a00;font-size:13px;display:flex;gap:10px;align-items:flex-start;}
  .notice .notice-icon{font-size:18px;line-height:1.3;}
  .notice b{display:block;margin-bottom:3px;font-size:13.5px;}

  .guide-section-title{font-size:15px;color:var(--navy);font-weight:800;margin:8px 0 16px;}

  .step-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
  @media (max-width:1100px){.step-flow{grid-template-columns:repeat(2,1fr);}}
  @media (max-width:640px){.step-flow{grid-template-columns:1fr;}}
  .step-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px 20px;
    box-shadow:0 2px 10px rgba(139,124,246,.07);position:relative;}
  .step-card .step-head{display:flex;flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:10px;}
  .step-card .step-num{flex:0 0 auto;width:30px;height:30px;border-radius:10px;background:var(--accent-soft);color:var(--accent-hover);
    display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13.5px;}
  .step-card .step-title{font-weight:800;color:var(--navy);font-size:13.8px;line-height:1.4;}
  .step-card ol{margin:0 0 0 16px;padding:0;color:var(--text);}
  .step-card li{margin-bottom:5px;font-size:12.3px;line-height:1.55;}
  .step-card li:last-child{margin-bottom:0;}

  .report-view{background:var(--surface);border-radius:16px;padding:24px 28px;border:1px solid var(--border);}
  .report-view h2{text-align:center;}

  .report-block{background:var(--bg);border:1px solid var(--border);border-radius:16px;padding:20px 22px 24px;margin:0 0 22px;page-break-inside:avoid;}
  .report-block:last-child{margin-bottom:0;}
  .report-block-title{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--navy);
    margin:-2px 0 16px;padding-bottom:12px;border-bottom:2px solid var(--accent-soft);}
  .report-block-title .rb-num{display:flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:8px;
    background:var(--accent);color:#fff;font-size:13px;font-weight:800;flex:0 0 auto;}
  .report-block h3{font-size:14px;margin:18px 0 10px;}
  .report-block h3:first-of-type{margin-top:0;}

  .univ-card{border:1px solid var(--border);border-radius:14px;padding:14px 16px;margin-bottom:16px;background:var(--surface);page-break-inside:avoid;}
  .univ-card h4{background:var(--navy);color:#fff;padding:7px 12px;border-radius:10px;margin:-14px -16px 10px -16px;font-size:14px;}
  .kv-table td{text-align:left;}
  .kv-table td.k{background:var(--bg);width:110px;font-weight:600;color:var(--navy-soft);text-align:center;}

  .empty-note{color:var(--muted);text-align:center;padding:20px;font-size:13px;}

  footer.appfoot{text-align:center;color:var(--muted);font-size:11.5px;padding:20px;}

  @media (max-width:900px){
    .app-topbar{padding:0 14px;}
    .app-topbar-title{font-size:13px;}
    .guide-hero h2{white-space:normal;font-size:19px;}
    .shell{flex-direction:column;padding:10px;gap:10px;}
    .sidebar{position:static;width:100%;flex:none;max-height:none;flex-direction:row;overflow-x:auto;border-radius:16px;}
    .side-nav{flex-direction:row;flex:none;gap:4px;}
    .tab-btn{white-space:nowrap;}
    .sidebar-foot{display:none;}
  }

  @media print{
    .app-topbar, .sidebar, .top-header-bar, .warn-banner, .no-print{display:none !important;}
    .shell{display:block;padding:0;}
    .tab-panel{display:none !important;}
    .tab-panel.active{display:block !important;}
    body{background:#fff;}
    .report-view{border:none;padding:0;}
    .univ-card{page-break-inside:avoid;}
  }