:root{
      --bg:#f5f8fa; --surface:#fff; --card:#fff; --border:#e5e7eb; --shadow:0 10px 30px rgba(17,24,39,.08);
      --text:#111827; --muted:#6b7280; --brand:#4f7cff; --brand-soft-1:#6f8dff; --brand-soft-2:#5e7eff;
      --ring:rgba(79,124,255,.22); --accent-1:#6ec1f5; --accent-2:#2b88d8; --accent-border:#cfeaff; --btn-text:#fff;
      --input-bg:#fff; --input-border:#d1d5db; --pill-bg:#f1f5ff; --pill-border:#dbe4ff; --pill-dot:#6585ff; --pill-text:#253bff;
      --bar-bg:#eef2ff; --bar-mat:#5b86ff; --bar-waste:#8a6cff; --details-bg:#fff; --details-border:#e5e7eb;
      --pill-h:28px; --pill-px:10px; --pill-fs:.90rem; --desk-w:1280px; --desk-h:1024px;

      --hero-bg:
        radial-gradient(1200px 400px at 0% 0%, color-mix(in oklab, var(--brand), white 88%) 0%, transparent 60%),
        linear-gradient(180deg, color-mix(in oklab, var(--surface), white 6%), var(--card));
      --nav-link:#374151;

      --hero-gap:0px;
      --title-lift:30px;

      --hero-img:url('/resources/pic/header_image_v1.001.svg');
      --hero-img-size:cover;
      --hero-img-pos:center right;
      --hero-img-opacity:.8;
      --hero-img-blur:0px;
    }
    [data-theme="dark"]{
      --bg:#0f172a; --surface:#0b1022; --card:#0b1226cc; --border:#1e293b; --shadow:0 10px 30px rgba(0,0,0,.35);
      --text:#e2e8f0; --muted:#94a3b8; --brand:#6aa4ff; --brand-soft-1:#7fb1ff; --brand-soft-2:#679cff; --ring:rgba(106,164,255,.25);
      --input-bg:#0b1326; --input-border:#1b2440; --pill-bg:#0d1733; --pill-border:#1b2440; --pill-dot:#89a8ff; --pill-text:#d7e3ff;
      --bar-bg:#0d1733; --bar-mat:#4d79ff; --bar-waste:#7d61ff; --details-bg:#0c142a; --details-border:#1b2440;
      --accent-1:#3a96e6; --accent-2:#1679c1; --accent-border:#145f98; --btn-text:#fff;
      --nav-link:#cbd5e1;
    }

    *{box-sizing:border-box}
    html,body{height:100%}
    body{
      margin:0;
      background:
        radial-gradient(900px 480px at -10% -10%, rgba(142,197,252,.20), transparent 60%),
        radial-gradient(900px 480px at 110% -10%, rgba(196,181,253,.18), transparent 60%),
        var(--bg);
      color:var(--text);
      font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,Apple SD Gothic Neo,Noto Sans,sans-serif;
      line-height:1.6;
    }
    a{color:#365cfb;text-decoration:none}
    a:hover{text-decoration:underline}

    .wrap{max-width:1280px;margin:0 auto;padding:24px}
    .card{background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow)}
    .padded{padding:18px}

    .breadcrumb{
      display:flex; align-items:center; justify-content:space-between;
      gap:8px; color:var(--muted); font-size:.92rem; line-height:1.2; margin-bottom:10px; flex-wrap:nowrap;
      padding:12px 14px;
    }
    .breadcrumb a{color:var(--muted)}
    .brandbar{display:flex; align-items:center; gap:8px; flex:1 1 auto; min-width:0}
    .brandbar img{height:65px; width:auto; display:block; transform:translateY(-4px)}

    .top-actions.t-inline{
      display:flex; align-items:center; gap:10px;
      white-space:nowrap; margin-left:auto; position:static; font-size:.8rem;
    }
    .top-actions .t-link,
    .top-actions .lang-toggle,
    .top-actions .theme-toggle{
      background:none; border:0; box-shadow:none; padding:0; margin:0; transform: translateY(-1.5rem);
      color:var(--nav-link); text-decoration:none; 
      font:inherit; line-height:1; cursor:pointer; display:inline-flex; align-items:center; gap:6px;
    }
    #themeText,.top-actions .theme-toggle .txt{display:inline; visibility:visible}

    .hero-combo{
      background:var(--hero-bg);
      border:1px solid var(--border);
      border-radius:16px;
      box-shadow:var(--shadow);
      overflow:hidden;
      margin-bottom:14px;
      position:relative;
    }
    .hero-combo .breadcrumb,
    .hero-combo .title-card{
      background:transparent; border:0; box-shadow:none; margin:0;
    }
    .hero-combo > .breadcrumb{ margin-bottom:var(--hero-gap); }
    .hero-combo > .title-card{ margin-top:calc(-1 * var(--title-lift)); position:relative; z-index:1; }
    .hero-combo::before{
      content:""; position:absolute; inset:0; z-index:0;
      background-image:var(--hero-img);
      background-size:var(--hero-img-size);
      background-position:var(--hero-img-pos);
      background-repeat:no-repeat;
      opacity:var(--hero-img-opacity);
      filter:blur(var(--hero-img-blur));
    }
    .hero-combo > *{ position:relative; z-index:1; }
    [data-theme="dark"] .hero-combo::after{
      content:""; position:absolute; inset:0; z-index:0; pointer-events:none;
      background:linear-gradient(180deg, rgba(0,0,0,.18), rgba(0,0,0,.10));
    }

    .title-card{
      position:relative;
      border:1px solid var(--border);
      border-radius:16px;
      background:var(--hero-bg);
      box-shadow:var(--shadow);
      overflow:hidden;
      margin:8px 0 14px;
    }
    .tc-row{display:grid; grid-template-columns:1.3fr 0.7fr; align-items:center; gap:20px}
    .tc-left{min-width:0}
    .tc-right{display:flex; justify-content:center; align-items:center; color:var(--brand)}
    .tc-blob{width:100%; height:auto; max-width:220px}
    .title-card h1{margin:6px 0 6px; line-height:1.15;}
    .tc-sub{color:var(--muted); margin:0 0 10px}
    .hero-combo .title-card .tc-left a{color:var(--nav-link); text-decoration:none}
    .hero-combo .title-card .tc-left a:hover{color:var(--nav-link); text-decoration:none}

    .grid{display:grid;grid-template-columns:1.65fr 1fr;gap:18px}
    .grid > * { min-width: 0; }
    .main-col{order:1}
    .calc-col{order:2}

    .hero{
      position:relative;padding:18px;border-radius:14px;border:1px solid var(--border);
      background:
        radial-gradient(600px 240px at 0% -10%, rgba(79,124,255,.12), transparent 60%),
        radial-gradient(600px 240px at 100% 0%, rgba(138,108,255,.12), transparent 60%),
        var(--surface);
    }
    .hero h2{margin:0 0 6px 0;font-size:1.2rem}
    .hero p{margin:0;color:var(--muted)}

    .pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
    .pill{
      display:inline-flex;gap:8px;align-items:center;padding:0 var(--pill-px);border-radius:999px;font-size:var(--pill-fs);
      background:var(--pill-bg);border:1px solid var(--pill-border);color:var(--pill-text);height:var(--pill-h);
      font-weight:600;line-height:1;white-space:nowrap;
    }
    .pill .dot{width:calc(var(--pill-h)*.34);height:calc(var(--pill-h)*.34);border-radius:50%;background:var(--pill-dot)}

    .kpi{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px}
    .kpi .box{border:1px solid var(--border);border-radius:12px;padding:12px;background:var(--surface)}

    .video-guide .video-container{position:relative;padding-top:56.25%;border-radius:12px;overflow:hidden;border:1px solid var(--border);background:var(--surface)}
    .video-guide iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

    .form{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:10px}
    .form .full{grid-column:1 / -1}
    label{display:block;font-size:.9rem;margin-bottom:6px}
    input,select,button{
      font:inherit;color:var(--text);width:100%;padding:8px 10px;min-height:34px;border-radius:10px;background:var(--input-bg);
      border:1px solid var(--input-border);outline:none;transition:border .15s,box-shadow .15s,transform .02s,background .15s;
    }
    input:focus,select:focus{border-color:var(--brand);box-shadow:0 0 0 4px var(--ring)}

    .btn-primary{
      min-height:36px;padding:8px 12px;background:linear-gradient(180deg,var(--accent-1),var(--accent-2));
      border:1px solid var(--accent-border);color:var(--btn-text);font-weight:700;letter-spacing:.1px;cursor:pointer;
    }
    .btn-primary:hover{filter:brightness(1.04)}
    .btn-primary:active{transform:translateY(1px)}

    .btn-ghost{
      min-height:32px;padding:6px 10px;display:inline-flex;align-items:center;gap:6px;background:transparent;border:1px solid var(--border);
      color:var(--text);border-radius:10px;font-size:.88rem;justify-content:center;text-align:center;cursor:pointer;
    }
    [data-theme="dark"] .btn-ghost:hover{background:rgba(255,255,255,.06)}
    .btn-ghost:hover{background:rgba(0,0,0,.04)}

    .result{margin-top:12px;display:none}
    .summary{
      display:grid;grid-template-columns:1fr;gap:8px;padding:12px;border-radius:12px;
      background:linear-gradient(180deg,rgba(79,124,255,.1),rgba(79,124,255,.03));border:1px solid #c7d3ff;
    }
    .summary .line{display:flex;align-items:center;justify-content:space-between;font-size:1rem}
    .summary .value{font-size:1.4rem;font-weight:700}
    .summary .value_small{font-size:1rem;font-weight:500}

    .detail{display:grid;gap:6px;padding:10px;margin-top:10px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}
    .detail .row{display:flex;align-items:flex-start;justify-content:space-between}
    .detail .label{color:var(--muted); padding-top:10px;}

    .unit-toggle{display:flex;justify-content:flex-end;margin-top:8px}
    .unit{display:inline-flex;justify-content:center; align-items:center;gap:8px;cursor:pointer;padding:6px 10px;border-radius:10px;background:var(--bg);border:1px solid var(--border)}
    .unit:focus{outline:none;box-shadow:0 0 0 4px var(--ring)}

    .collapse{border:1px solid var(--details-border);background:var(--details-bg);border-radius:12px;overflow:clip;}
    .collapse summary{
      cursor:pointer;padding:12px 14px;list-style:none;user-select:none;display:flex;align-items:center;justify-content:space-between;
    }
    .collapse summary::-webkit-details-marker{display:none}
    .collapse .caret{transition:transform .2s ease}
    .collapse[open] .caret{transform:rotate(90deg)}
    .collapse .content{padding:0 14px 14px 14px;animation:slideDown .25s ease}
    
    #faq > .collapse { margin: 0; }               
    #faq > .collapse + .collapse { margin-top: 10px; }      

    .related,.posts{display:grid;gap:10px;grid-template-columns:repeat(2,1fr)}
    .rcard,.p-card{
      display:block;padding:10px;border-radius:10px;background:var(--surface);border:1px solid var(--border);text-decoration:none;color:var(--text);
      transition:transform .05s ease;
    }
    .rcard:hover,.p-card:hover{transform:translateY(-1px)}
    .rcard h4,.p-card h4{margin:8px 0 4px 0;font-size:1rem}
    .rcard p{margin:0;color:var(--muted);font-size:.93rem}
    .p-thumb{aspect-ratio:16/9;width:100%;height:140px;object-fit:cover;border-radius:10px;border:1px solid var(--border);margin-bottom:6px}

    .rel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:10px}
    .rel-card{display:block;border:1px solid var(--border);border-radius:12px;background:var(--surface);padding:12px;text-decoration:none;color:var(--text)}
    .rel-thumb{aspect-ratio:16/9;width:100%;height:140px;border:1px solid var(--border);border-radius:10px;object-fit:cover}

    .btn-row{display:flex;flex-wrap:wrap;gap:8px}
    .btn-row.two{
      display:grid; grid-template-columns:repeat(2, minmax(0, 2fr)); gap:8px; align-items:stretch; margin-bottom: 8px ;
    }
    .btn-row.two > button{width:100%}
    .btn-row.two .share-row{ grid-column: 1 / -1; justify-content: center; }
    .share-row{
      display:flex; flex-wrap:wrap; gap:8px; align-items:center; justify-content:center;
      flex:1 0 100%; margin:10px 0 0 0;
    }
    .icon-btn{
      width:40px; height:40px; display:inline-flex; align-items:center; justify-content:center;
      padding:0; line-height:0; cursor:pointer;
      border-radius:10px; border:1px solid var(--border); background:var(--surface);
    }
    button.icon-btn{ width:40px; min-width:40px; background:var(--surface) }
    .icon-btn img,.icon-btn svg{ width:22px; height:22px; display:block }
    .icon-btn:focus-visible{ outline:2px solid var(--ring); outline-offset:2px }
    .icon-btn.brand{ border:0 }
    .icon-btn.brand.x{ background:#111 }
    .icon-btn.brand.threads{ background:#000 }
    .icon-btn.brand.fb{ background:#1877F2 }
    .icon-btn.brand.naver{ background:#03C75A }
    [data-theme="dark"] .icon-btn{ background:var(--surface) }

    .chart-wrap{border:1px solid var(--border);border-radius:12px;padding:12px;background:var(--surface)}
    .chart-wrap figcaption{ text-align: center; }    

    .compare-table{width:100%;border-collapse:collapse}
    .compare-table th,.compare-table td{border:1px solid var(--border);padding:8px;text-align:center}
    .compare-table th:first-child,.compare-table td:first-child{text-align:left}    

    .mini-input{display:inline-flex;gap:8px;align-items:center;flex-wrap:wrap}
    .mini-input input{width:110px}

    .key-box{border:1px solid var(--border);border-radius:12px;padding:12px;background:var(--surface)}

    .sr-only{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
    #grid2-result{scroll-margin-top:72px}
    #grid2-result .scenario-list{ display:flex; flex-direction:column; gap:10px; }
    #grid2-result .scenario-list > *{ width:100%; } 
    #grid2-result .chart-wrap figure{ display: flex; flex-direction: column; align-items: center; }

    .waste-sim .fields{ display:grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap:8px; align-items:end; }
    .waste-sim .fields .i{ display:flex; flex-direction:column; }  
    .waste-sim .fields input{ height:42px; }
    #btnWasteRun{ height:42px; padding:0 0px; transform:translateY(-7px) }     
    #btnWasteRun{
      background:linear-gradient(180deg, var(--accent-1), var(--accent-2)); border:1px solid var(--accent-border); 
      color:var(--btn-text); font-weight:700; }   
    .waste-sim .kpis{ display:grid; grid-template-columns: 1fr 1fr; gap:8px; margin-top:8px; }    
    .waste-sim .kpi-card{
      display:flex; align-items:center; justify-content:space-between; padding:10px;
      border:1px solid var(--border); border-radius:10px; background:var(--surface); min-height:42px; 
    }
    .waste-sim .kpi-card .kpi-k{ color:var(--muted); }
    .waste-sim .kpi-card .kpi-v{ font-weight:700; } 
    #detail-guide { scroll-margin-top: 72px; }
    #detail-guide .content { overflow-x: hidden; }
    #detail-guide .content table { display:block; max-width:100%; overflow-x:auto; -webkit-overflow-scrolling:touch; }
    #detail-guide .content img,
    #detail-guide .content canvas,
    #detail-guide .content iframe { max-width:100%; height:auto; display:block; }
    #detail-guide nav { display:flex; flex-wrap:wrap; gap:8px; }
    #detail-guide nav a { overflow-wrap:anywhere; }     
    #detail-guide .content figure.ill{ display:flex; flex-direction:column; align-items:center; margin:12px auto; text-align:center; }
    #detail-guide .content figure.ill img{ display:block; margin:0 auto; max-width:100%; height:auto; border-radius:10px; border:1px solid var(--border); }
    #detail-guide .content figure.ill figcaption{ margin-top:6px; color:var(--muted); line-height:1.4; }
    #detail-guide .content .compare-table{ display: block; width: max-content !important; margin: 8px auto !important; }

    .skip-link:focus{top:12px; left:12px}
    .skip-link:focus, .skip-link:focus-visible{outline:2px solid #4f7cff; outline-offset:2px}
    .skip-link{position:absolute; top:-1000px; left:0; padding:8px 12px; background:#fff; border:1px solid #e5e7eb; border-radius:8px; z-index:1000; }

    @keyframes slideDown{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}    
    @media (min-width:1600px){body{background-position:center top}}
    @media (min-width:1024px){
      .wrap{width:min(100vw,var(--desk-w));max-width:var(--desk-w);margin-left:auto;margin-right:auto}
      html,body{overflow-x:hidden}
      .card{max-width:100%}
      .compare-table,.chart-wrap{overflow:auto}
      .wrap{min-height:min(100vh,var(--desk-h))}
      .grid{align-items:start}
    }        
    @media (max-width:1023px){
      .breadcrumb{flex-wrap:wrap; font-size:.9rem}
      .brandbar img{height:55px; width:auto; transform:translateY(-4px); margin-right:1px}
      .top-actions.t-inline{margin-left:auto}
      .desktop-only{display:none}
      .mobile-only{display:inline}
      .tc-row{grid-template-columns:1fr}
      .tc-left a{font-size: 0.8rem};
      .tc-right{justify-content:flex-start}
      .tc-blob{max-width:180px}     
      :root{ --hero-img-opacity: .18; } 
      .grid{grid-template-columns:1fr;gap:12px}
      .calc-col{order:1}
      .main-col{order:2}

      #detail-guide nav{ display:flex; flex-wrap:wrap; gap:8px; }
      #detail-guide .content .ill img,
      #detail-guide .content img{ max-width:100%; height:auto; display:block; margin:8px auto; }
      #detail-guide .content table{ display:block; max-width:100%; overflow-x:auto; -webkit-overflow-scrolling:touch;}
      html, body{ overflow-x:hidden; }
      #detail-guide .content .ill{ text-align:center; }
      #detail-guide .content .ill figcaption{ color:var(--muted); font-size:.9rem; margin-top:6px; }
      
      .btn-row.two .share-row{ grid-column: 1 / -1; }
    }
    @media (max-width:480px){
      .title-card{border-radius:14px}
      .title-card h1{font-size: 1.5rem;}
      .tc-blob{max-width:150px}
      .btn-row.two{ grid-template-columns:1fr }
      .waste-sim .fields{ grid-template-columns:1fr; }
      .waste-sim .kpis{ grid-template-columns:1fr; }
      .hero .kpi{ grid-template-columns: 1fr; }
      .posts{ grid-template-columns: 1fr; }
      .wrap{ padding:10px 6px; padding-left: max(6px, env(safe-area-inset-left)); padding-right: max(6px, env(safe-area-inset-right)); }
      .top-actions .lang-toggle .txt{ display:none; }
      #themeText{ display:none; }
      .top-actions .ico{ display:inline-block; line-height:1; vertical-align:middle; }
    }

    #howto, #howto-detail{ margin-top:16px; }
    #howto h2, #howto-detail h2{ font-size:1.1rem; margin:0 0 8px 0; }

    .howto-list{
      list-style:none; margin:0; padding:0;
      display:grid; grid-template-columns:1fr 1fr; gap:12px;
    }
    .howto-item{
      display:flex; align-items:flex-start; gap:10px;
      padding:12px; border:1px solid var(--border);
      border-radius:12px; background:var(--surface);
    }
    .step-badge{ width:28px; height:28px; aspect-ratio:1/1; flex:0 0 28px; display:grid; place-items:center; border-radius:50%;
      border:1px solid var(--border); font-weight:700; line-height:1; font-variant-numeric: tabular-nums; 
    }
    .step-body h3{ margin:0 0 4px 0; font-size:1rem; }
    .step-body p{ margin:0; color:var(--muted); }

    #howto .btn-row{ margin-top:10px; }
    #howto .howto-list { list-style: none; padding-left: 0; }
    #howto .howto-list > li { list-style: none; }
    #howto .howto-list > li::marker { content: ""; } 

    @media (max-width: 1023px){
      #howto .howto-item .step-badge{ display:none; }
      #howto .howto-item{ gap:6px; }  
      .howto-list{ grid-template-columns:1fr; }
    }

   
    .chart-frame{ position:relative; width:100%; height:260px; border:1px solid var(--border); border-radius:10px; background:var(--surface); }
    #calorie-result .chart-wrap figure{ display:block; }
    .chart-wrap figure{ margin:0; }    
    .chart-frame canvas{ position:absolute; inset:0; width:100% !important; height:100% !important; }
    .chart-legend{ display:flex; flex-direction:row; gap:8px 12px; margin-top:6px; align-self:stretch;
      align-items:center; flex-wrap:wrap; justify-content:flex-start; color:var(--muted); width:100%;
    }
    .chart-legend .item{
      display:inline-flex; align-items:center; gap:6px; box-shadow:none;
      border:none; border-radius:999px; padding:2px 10px; background:transparent; width:auto; flex:0 0 auto;  
    }   

    .chart-legend .key{
      display:inline-flex; align-items:center; justify-content:center; place-items:center; 
      width:22px; height:22px; border-radius:50%; background:var(--pill-bg); color:var(--pill-text); font-weight:700;
      place-content:center; border:1px solid var(--pill-border); font:700 12px/1 ui-sans-serif, system-ui, -apple-system;
    }
    .chart-legend .name{ 
        flex:1; font-size:.9rem; font-weight:600; color:var(--text);
        max-width:18ch; white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
      }
    .chart-legend .pct{ font-size:.85rem; color:var(--muted); }
    
    .ing-card{border:1px solid var(--border);border-radius:12px;padding:10px 12px;background:var(--surface);display:flex;justify-content:space-between;align-items:center}
    .ing-meta .name{font-weight:700}
    .ing-meta .dims{font-size:.92rem;color:var(--muted);margin-top:2px}
    .ing-btns{display:flex;gap:6px}

    .modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(0,0,0,.35);z-index:1000}
    .modal[open]{display:flex}
    .modal-card{width:min(560px,92vw);background:var(--surface);color:inherit;border:1px solid var(--border);border-radius:14px;padding:16px;box-shadow:var(--shadow)}
    .modal-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
    .modal-grid .full{grid-column:1 / -1}
    .modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:12px}    
    .btn-secondary{min-height:32px;padding:6px 10px;border:1px solid var(--border);border-radius:10px;background:transparent;color:var(--text);cursor:pointer}

    .data-block{border:1px solid var(--border);border-radius:12px;padding:12px;background:var(--surface)}
    .data-table{width:100%;border-collapse:collapse}
    .data-table th,.data-table td{border:1px solid var(--border);padding:8px;text-align:center}
    .data-table th:first-child,.data-table td:first-child{text-align:center}

    #out-notes{ display:block; width:100%; padding:10px 12px; margin-top:4px; border:0; border-radius:12px; line-height:1.6;
      white-space:pre-line; text-align:right; word-break:keep-all; overflow-wrap:anywhere;
    }

    .bar-metric-buttons{ display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; margin-bottom: 6px;}
    .bar-metric-buttons .btn-ghost{flex: 0 0 auto;}
    
   
    .detail .row, .summary .line { align-items: center; }
    .detail .row > *, .summary .line > * { align-self: center; }
    .detail .row > span:last-child, .summary .line .value { line-height: 1.2; display: flex; align-items: center; }
    .chart-legend .item{ display:flex; align-items:center; gap:8px; width:100%; }
    .chart-legend .key{ flex:0 0 auto; }
    .chart-legend .name{ flex:1 1 auto; min-width:0; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
    .chart-legend .pct{ flex:0 0 auto; margin-left:auto; white-space:nowrap; text-align:right; }

    .hint-row{display:grid; grid-template-columns:1fr 1fr; gap:8px; margin-top:8px}
    .hint-card{border:1px solid var(--border); border-radius:10px; padding:10px; background:var(--surface); font-size:.95rem}
    .hint-card strong{display:block; margin-bottom:2px}
    .badge-mini{display:inline-flex; align-items:center; gap:6px; font-weight:700; font-size:.85rem; padding:2px 8px; border-radius:999px; background:var(--pill-bg); border:1px solid var(--pill-border); color:var(--pill-text)}
    .guide-lead{font-size:1.02rem}
    .guide-grid{display:grid; grid-template-columns:1fr 1fr; gap:12px}
    .guide-grid .data-block{height:100%}
    @media (max-width:1023px){
      .hint-row{grid-template-columns:1fr}
      .guide-grid{grid-template-columns:1fr}
    }
    .mini-help{font-size:.9rem;color:var(--muted);margin-top:4px}
    .mini-box{border:1px dashed var(--border);border-radius:12px;padding:10px;background:var(--surface)}
    .mini-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}
    .mini-out{display:flex;justify-content:space-between;gap:8px;margin-top:6px}
    .mini-out strong{font-weight:700}
    @media (max-width:480px){ .mini-row{grid-template-columns:1fr} }

    .ratio-chip{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:.85rem;padding:2px 8px;border-radius:999px;background:var(--pill-bg);border:1px solid var(--pill-border);color:var(--pill-text)}
    .ratio-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}

    .formula-box{ border:1px dashed var(--border); border-radius:12px; padding:10px 12px; background:var(--surface); font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace; line-height:1.5; white-space:pre-wrap; margin-top:8px; }
    .diagram-wrap{ display:flex; flex-direction:column; align-items:center;  justify-content:center; overflow:visible;}
    #circle-svg{ display:block; margin:0 auto; flex:0 0 auto;}

    #coursesContainer{ display:flex; flex-direction:column; gap:10px; margin-top:6px;}
    .course-input{ border:1px solid var(--border); border-radius:12px; padding:10px 12px; background:var(--surface);}
    .course-input .form-row{ display:grid; grid-template-columns:2.5fr 1fr 1fr auto; gap:8px; align-items:end; }
    .course-input .form-group:last-child{ align-self:end; }
    .btn-remove-course{ width:100%; min-height:32px; color: rgb(238, 173, 173); }
    @media (max-width:768px){ .course-input .form-row{ grid-template-columns:1fr 1fr; }}

    input:disabled, select:disabled, textarea:disabled { background-color: #f3f3f3; color: #777; border-color: #ddd; cursor: not-allowed; box-shadow: none; }