#mp-classroom{
    --ink:#0f172a;
    --muted:#475569;
    --line:#e2e8f0;
    --soft:#f8fafc;
    --card:#ffffff;
  
    --brand:#163b6f;
    --accent:#f7b916;
  
    --cool:#2563eb;
    --warm:#f97316;
    --mint:#0f766e;
    --sun:#eab308;
  
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    color:var(--ink);
    background:#fff;
    line-height:1.75;
    font-size:16px;
    padding-top: 0;
  }
  
  #mp-classroom .mp-wrap{
    max-width: 980px;
    margin: 0 auto;
    padding: 0;
  }
  
  #mp-classroom .mp-header{
    padding: 18px 18px 16px 18px;
    border:1px solid var(--line);
    border-radius:18px;
    background: var(--card);
  }
  
  #mp-classroom .mp-kicker{
    display:flex;
    align-items:center;
    gap:10px;
    padding: 10px 12px;
    border:1px solid var(--line);
    border-radius: 12px;
    background: var(--soft);
    margin-bottom: 12px;
  }
  
  #mp-classroom .mp-kicker-dots{
    display:flex;
    align-items:center;
    gap:6px;
    flex: 0 0 auto;
  }
  
  #mp-classroom .mp-kdot{
    width:10px;
    height:10px;
    border-radius:999px;
    border:1px solid rgba(15,23,42,.18);
  }
  
  #mp-classroom .mp-kicker-text{
    font-size: 13px;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--brand);
    font-weight: 900;
    line-height: 1.25;
  }
  
  #mp-classroom .mp-h1{
    margin: 10px 0 10px 0;
    font-size: clamp(28px, 3.2vw, 40px);
    line-height:1.18;
    font-weight: 900;
    color: var(--ink);
  }
  
  #mp-classroom .mp-sub{
    margin: 0;
    color: var(--muted);
    font-size: 16px;
  }
  
  #mp-classroom .mp-badges{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top: 14px;
  }
  
  #mp-classroom .mp-badge{
    font-size: 13px;
    border:1px solid var(--line);
    background: var(--soft);
    color: var(--ink);
    padding: 6px 10px;
    border-radius: 999px;
    font-weight: 800;
  }
  #mp-classroom .mp-badge strong{ color:var(--brand); }
  
  #mp-classroom .mp-section{
    margin-top: 18px;
    padding: 18px;
    border:1px solid var(--line);
    border-radius:18px;
    background: var(--card);
  }
  
  #mp-classroom .mp-h2{
    margin:0 0 10px 0;
    font-size: clamp(20px, 2.4vw, 26px);
    line-height:1.25;
    color: var(--ink);
    font-weight: 900;
  }
  
  #mp-classroom .mp-h3{
    margin: 18px 0 8px 0;
    font-size: 18px;
    line-height:1.3;
    color: var(--ink);
    font-weight: 900;
  }
  
  #mp-classroom .mp-lead{
    margin: 0 0 12px 0;
    color: var(--muted);
  }
  
  #mp-classroom p{ margin: 0 0 12px 0; }
  
  #mp-classroom .mp-rule{
    height:1px;
    background: var(--line);
    margin: 16px 0;
  }
  
  #mp-classroom .mp-tone{
    display:inline;
    padding: 0 .22em;
    border-radius: 8px;
    font-weight: 900;
    color: var(--ink);
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
  }
  #mp-classroom .mp-tone.warm{ background: rgba(249,115,22,.14); border:1px solid rgba(249,115,22,.25); }
  #mp-classroom .mp-tone.cool{ background: rgba(37,99,235,.12); border:1px solid rgba(37,99,235,.22); }
  #mp-classroom .mp-tone.sun { background: rgba(234,179,8,.16); border:1px solid rgba(234,179,8,.28); }
  #mp-classroom .mp-tone.mint{ background: rgba(15,118,110,.10); border:1px solid rgba(15,118,110,.22); }
  
  #mp-classroom .mp-callout{
    border:1px solid var(--line);
    border-left: 6px solid var(--accent);
    background: #fffdf3;
    padding: 14px 14px;
    border-radius: 14px;
    margin: 14px 0;
  }
  #mp-classroom .mp-callout.cool{ border-left-color: var(--cool); background: #f5f9ff; }
  #mp-classroom .mp-callout.mint{ border-left-color: var(--mint); background: #f2fbf9; }
  
  #mp-classroom .mp-callout .mp-callout-title{
    font-weight: 900;
    color: var(--ink);
    margin-bottom: 6px;
  }
  
  #mp-classroom .mp-small{ font-size: 15px; color: var(--muted); }
  
  #mp-classroom .mp-quote{
    margin: 12px 0;
    padding: 12px 14px;
    border:1px solid var(--line);
    border-left: 6px solid rgba(22,59,111,.55);
    background: #f8fbff;
    border-radius: 14px;
  }
  #mp-classroom .mp-quote p{ margin:0; color:var(--ink); font-weight: 800; }
  #mp-classroom .mp-quote .mp-small{ margin-top:6px; }
  
  #mp-classroom .mp-list{
    margin: 10px 0 0 0;
    padding-left: 18px;
    color: var(--ink);
  }
  #mp-classroom .mp-list li{ margin: 6px 0; }
  #mp-classroom .mp-list b{ color: var(--brand); }
  
  /* Single-column stack */
  #mp-classroom .mp-grid{
    display:grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 12px;
  }
  
  #mp-classroom .mp-card{
    border:1px solid var(--line);
    border-radius:16px;
    background: var(--soft);
    padding: 14px;
  }
  #mp-classroom .mp-card-title{
    font-weight: 900;
    color: var(--ink);
    margin-bottom: 6px;
  }
  #mp-classroom .mp-card p{ margin: 0; color: var(--muted); }
  
  /* Table: desktop stays inside container; mobile becomes cards. No scroll wrappers. */
  #mp-classroom table.mp-table{
    width:100%;
    border-collapse: collapse;
    border:1px solid var(--line);
    border-radius:16px;
    overflow:hidden;
    background:#fff;
    table-layout: fixed;
  }
  
  #mp-classroom table.mp-table th,
  #mp-classroom table.mp-table td{
    word-break: break-word;
    overflow-wrap: anywhere;
    hyphens: auto;
  }
  
  #mp-classroom table.mp-table thead th{
    text-align:left;
    padding: 12px 12px;
    font-size: 15px;
    color: var(--ink);
    background: #eef2ff;
    border-bottom:1px solid var(--line);
    font-weight: 900;
  }
  
  #mp-classroom table.mp-table tbody td{
    padding: 12px 12px;
    border-bottom:1px solid var(--line);
    vertical-align: top;
    color: var(--ink);
    font-size: 15px;
  }
  #mp-classroom table.mp-table tbody tr:last-child td{ border-bottom:none; }
  
  /* FAQ accordion */
  #mp-classroom .mp-faq details{
    border:1px solid var(--line);
    border-radius:14px;
    background: var(--soft);
    padding: 0;
    overflow:hidden;
  }
  #mp-classroom .mp-faq details + details{ margin-top:10px; }
  
  #mp-classroom .mp-faq summary{
    cursor:pointer;
    list-style:none;
    padding: 12px 14px;
    font-weight: 900;
    color: var(--ink);
    display:flex;
    align-items:flex-start;
    gap:10px;
  }
  #mp-classroom .mp-faq summary::-webkit-details-marker{ display:none; }
  #mp-classroom .mp-faq summary::before{
    content:"+";
    font-weight: 900;
    color: var(--brand);
    flex: 0 0 auto;
    margin-top: 1px;
  }
  #mp-classroom .mp-faq details[open] summary::before{ content:"–"; }
  
  #mp-classroom .mp-faq .mp-faq-body{
    padding: 0 14px 12px 14px;
    color: var(--muted);
    font-size: 15px;
  }
  #mp-classroom .mp-faq .mp-faq-body p{ margin: 8px 0 0 0; }
  
  /* Sources */
  #mp-classroom .mp-footer{
    margin-top: 18px;
    padding: 14px 18px;
    border:1px solid var(--line);
    border-radius:18px;
    background: #fff;
  }
  
  #mp-classroom .mp-src{
    display:flex;
    flex-direction:column;
    gap:6px;
  }
  
  #mp-classroom .mp-src a{
    color: var(--brand);
    font-weight: 900;
    text-decoration: underline;
    text-underline-offset: 3px;
  }
  #mp-classroom .mp-src-url{
    font-size: 13px;
    color: var(--muted);
    word-break: break-all;
  }
  
  /* Mobile: table becomes cards */
  @media (max-width: 760px){
    #mp-classroom table.mp-table thead{ display:none; }
    #mp-classroom table.mp-table,
    #mp-classroom table.mp-table tbody,
    #mp-classroom table.mp-table tr,
    #mp-classroom table.mp-table td{
      display:block;
      width:100%;
    }
    #mp-classroom table.mp-table tr{
      border-bottom:1px solid var(--line);
      padding: 6px 0;
    }
    #mp-classroom table.mp-table tr:last-child{ border-bottom:none; }
    #mp-classroom table.mp-table tbody td{
      border-bottom:none;
      padding: 10px 12px;
    }
    #mp-classroom table.mp-table tbody td::before{
      content: attr(data-label);
      display:block;
      font-size: 13px;
      font-weight: 900;
      color: var(--ink);
      margin-bottom: 3px;
    }
  }