@import url("https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700&family=Lora:wght@400;500;600&display=swap");

    :root{
      --bg:#f6f1e8;
      --bg-deep:#ece3d3;
      --panel:#fbf7f0;
      --panel-edge:#e1d6c1;
      --text:#2f261d;
      --muted:#7c7162;
      --hair:#d8ccb5;
      --accent:#c8a84b;
      --accent-deep:#8e7130;
      --ink:#1a1a2e;
      --ink-soft:#16213e;
      --tag-bg:#efe3bf;
      --max:760px;
      --shadow:0 24px 60px rgba(26, 26, 46, .12);
    }
    *{box-sizing:border-box}
    html,body{margin:0;padding:0}
    body{
      background:
        radial-gradient(circle at top, rgba(200, 168, 75, .12), transparent 34%),
        linear-gradient(160deg, var(--bg) 0%, var(--bg-deep) 100%);
      color:var(--text);
      font-family:"Lora", Georgia, serif;
      line-height:1.8;
    }
    header{
      position:relative;
      background:linear-gradient(135deg, var(--ink) 0%, var(--ink-soft) 100%);
      border-bottom:1px solid rgba(200, 168, 75, .18);
      padding:4rem 1rem 3rem;
      text-align:center;
      overflow:hidden;
    }
    header::before{
      content:"";
      position:absolute;
      inset:0;
      opacity:.08;
      background-image:repeating-linear-gradient(45deg, var(--accent) 0px, var(--accent) 1px, transparent 1px, transparent 40px);
      pointer-events:none;
    }
    header h1{
      position:relative;
      font-family:"Playfair Display", Georgia, serif;
      margin:0 0 .45rem;
      font-weight:700;
      font-size:clamp(2rem, 4vw, 2.9rem);
      color:#f5f0e8;
      letter-spacing:.02em;
    }
    header p{
      position:relative;
      color:#bfb299;
      margin:.25rem 0;
      font-size:1.02rem;
      font-style:italic;
    }
    main{
      max-width:var(--max);
      margin:2.5rem auto 4rem;
      background:rgba(251, 247, 240, .92);
      border:1px solid var(--panel-edge);
      border-radius:22px;
      box-shadow:var(--shadow);
      padding:2.5rem 1.4rem 3rem;
      backdrop-filter:blur(6px);
    }
    article{max-width:calc(var(--max) - 2.8rem); margin:0 auto}
    .meta{
      display:flex;
      flex-wrap:wrap;
      gap:.75rem;
      color:var(--muted);
      font-size:.92rem;
      margin:.4rem 0 1.25rem;
      letter-spacing:.02em;
    }
    .meta .dot::before{content:"•"; margin:0 .45rem; color:#b79f67}
    article h2, article h3, article h4{
      font-family:"Playfair Display", Georgia, serif;
      color:var(--ink);
      margin-top:2rem;
      scroll-margin-top:80px;
    }
    article h2{
      font-size:clamp(1.85rem, 3vw, 2.35rem);
      margin-bottom:.4rem;
      line-height:1.2;
    }
    article h3{
      font-size:1.3rem;
      position:relative;
      padding-left:1.2rem;
    }
    article h3::before{
      content:"§";
      position:absolute;
      left:0;
      top:0;
      color:var(--accent);
      font-size:.9rem;
      letter-spacing:.12em;
      font-weight:700;
    }
    article h4{
      font-size:1.05rem;
      color:var(--accent-deep);
      letter-spacing:.06em;
      text-transform:uppercase;
    }
    article p, article li{font-size:1.03rem}
    article p{margin:1rem 0}
    article ul, article ol{
      padding-left:1.4rem;
    }
    article li{
      margin:.6rem 0;
    }
    blockquote{
      border-left:4px solid var(--accent);
      background:linear-gradient(135deg, rgba(26, 26, 46, .98) 0%, rgba(22, 33, 62, .98) 100%);
      padding:1.1rem 1.35rem;
      margin:1.6rem 0;
      color:#efe7d9;
      font-style:italic;
      border-radius:0 12px 12px 0;
      box-shadow:0 16px 32px rgba(26, 26, 46, .14);
    }
    pre, code{
      font-family:ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
      background:#f1eadb;
      border-radius:10px;
    }
    pre{
      padding:1rem;
      overflow-x:auto;
      border:1px solid #ddd2bc;
    }
    code{padding:.1rem .35rem}
    img{
      max-width:100%;
      display:block;
      margin:1.25rem auto;
      border-radius:14px;
      background:transparent;
      text-align:center;
      mix-blend-mode:multiply;
      box-shadow:0 10px 30px rgba(26, 26, 46, .08);
    }
    @supports not (mix-blend-mode: multiply) {
      img {
        filter: contrast(1.2) brightness(1.1);
      }
    }
    hr{border:0; border-top:1px solid var(--hair); margin:2rem 0}

    .abstract{
      background:linear-gradient(135deg, rgba(26, 26, 46, .04) 0%, rgba(22, 33, 62, .08) 100%);
      border:1px solid #d7c79a;
      border-left:4px solid var(--accent);
      padding:1.15rem 1.35rem;
      margin:1.35rem 0 1.9rem;
      border-radius:0 14px 14px 0;
      font-style:italic;
    }

    .tags{margin-top:1.85rem; display:flex; flex-wrap:wrap; gap:.55rem}
    .tag{
      background:var(--tag-bg);
      color:var(--accent-deep);
      padding:.35rem .9rem;
      border-radius:999px;
      font-weight:600;
      font-size:.82rem;
      text-decoration:none;
      display:inline-flex;
      align-items:center;
      letter-spacing:.04em;
      border:1px solid rgba(200, 168, 75, .35);
      transition:all .2s ease;
    }
    .tag.disabled{
      pointer-events:none;
      cursor:default;
      color:#8d7c58;
      background:#f3ead4;
    }

    .related{
      margin-top:2rem;
      padding-top:1.15rem;
      border-top:1px dashed var(--hair);
    }
    .related h4{margin:.25rem 0 1rem}
    .related ul{margin:0; padding-left:1.1rem}
    .related li{margin:.45rem 0; color:var(--muted)}

    .citation{
      margin-top:2rem;
      padding:1rem 1.15rem;
      background:#f8f1e4;
      border:1px solid var(--hair);
      border-radius:12px;
      color:#5e5344;
      font-size:.95rem;
    }

    a{color:var(--accent-deep); text-decoration:none}
    a:hover{text-decoration:underline}

    footer{
      text-align:center;
      color:#8b7e6b;
      padding:0 1rem 2rem;
      letter-spacing:.04em;
      font-size:.9rem;
    }

    .concept-walkthrough {
      margin-top: 1rem;
      font-style: normal;
      color:var(--text);
    }
    .concept-walkthrough a {
      color: var(--accent-deep);
      font-weight: 600;
      cursor: pointer;
    }
    .concept-walkthrough a:hover {
      text-decoration: underline;
    }

    .video-modal-overlay {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(13, 13, 24, 0.84);
      z-index: 1000;
      justify-content: center;
      align-items: center;
      backdrop-filter: blur(4px);
    }
    .video-modal-overlay.active {
      display: flex;
    }
    .video-modal {
      position: relative;
      width: 90%;
      max-width: 800px;
      aspect-ratio: 16 / 9;
      background: #000;
      border-radius: 12px;
      overflow: hidden;
      box-shadow:0 24px 60px rgba(0, 0, 0, .35);
      border:1px solid rgba(200, 168, 75, .28);
    }
    .video-modal iframe {
      width: 100%;
      height: 100%;
      border: none;
    }
    .video-modal-close {
      position: absolute;
      top: -40px;
      right: 0;
      background: none;
      border: none;
      color: #f5f0e8;
      font-size: 2rem;
      cursor: pointer;
      line-height: 1;
    }
    .video-modal-close:hover {
      color: #c8a84b;
    }

    @media (max-width:720px){
      html,body{overflow-x:hidden}
      header{padding:2.8rem .9rem 2rem}
      main{
        margin:1rem;
        padding:1.5rem 1rem 2rem;
        border-radius:18px;
      }
      article{max-width:100%}
      article p, article li{font-size:1rem}
      article h3{padding-left:1rem}

      .citation{
        word-break: break-word;
        overflow-wrap: break-word;
      }

      mjx-container[display="true"] {
        overflow-x: auto;
        overflow-y: hidden;
        display: block !important;
        padding: 0.5rem 0;
        -webkit-overflow-scrolling: touch;
      }

      .video-modal {
        width: 95%;
      }
    }