.card .speaker-intro { max-width: 38rem; color: var(--muted); font-size: 1.15rem; margin-bottom: 2rem; }
    .speaker-intro strong { color: var(--teal); font-weight: 600; }
    .keynote-profile { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 2rem; align-items: center;
      padding: 2rem; border-radius: 14px; background: var(--navy); margin-bottom: 2rem;
      border-top: 4px solid var(--orange); }
    .keynote-photo { width: 200px; height: auto; border-radius: 10px; box-shadow: 0 10px 24px rgba(0,0,0,.2); }
    .card .keynote-label { display: inline-block; color: var(--accent-light); border: 1px solid #687080; border-radius: 999px;
      padding: .25rem .75rem; font-size: .72rem; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; margin-bottom: 1rem; }
    .card #keynote-speaker { display: block; color: #fffdf9; font-size: clamp(1.65rem, 3vw, 2.3rem);
      line-height: 1.15; letter-spacing: -.035em; padding: 0; margin-bottom: .7rem; }
    .card #keynote-speaker::after { display: none; }
    .card .keynote-affiliation { color: #cbd4df; font-size: .95rem; margin: 0; }
    .keynote-website { display: inline-block; margin-top: .75rem; color: var(--accent-light); }
    .keynote-talk { padding: .25rem 0 .25rem 1.5rem; border-left: 3px solid var(--orange); margin-bottom: 2rem; }
    .card .keynote-talk-label { color: var(--muted); text-transform: uppercase; letter-spacing: .12em;
      font-size: .72rem; font-weight: 700; margin-bottom: .65rem; }
    .card .keynote-talk h3, .card .keynote-talk h4 { font-family: Georgia, 'Times New Roman', serif; font-size: clamp(1.5rem, 3vw, 2rem);
      font-weight: 400; line-height: 1.3; margin: 0; }
    .keynote-bio { padding-top: 1.5rem; border-top: 1px solid var(--border); }
    @media (max-width: 600px) {
      .keynote-profile { grid-template-columns: 1fr; padding: 1.5rem; gap: 1.25rem; }
      .keynote-photo { width: 160px; }
      .keynote-talk { padding-left: 1rem; }
    }


    .notice {
      margin: 1.35rem 0;
      padding: 1.15rem 1.25rem;
      border: 1px solid #d8dce2;
      border-left: 3px solid var(--blue);
      border-radius: 14px;
      background: #f1f3f5;
      box-shadow: none;
    }
    .release-notice {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      border-left-color: var(--orange);
      border-color: #dfcec6;
      border-left-color: var(--orange);
      background: #f3eae5;
      box-shadow: none;
    }
    .release-notice p {
      margin: .2rem 0 0;
    }
    .release-notice .btn {
      flex-shrink: 0;
    }
    @media (max-width: 640px) {
      .release-notice {
        align-items: flex-start;
        flex-direction: column;
      }
    }
    .date-table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      margin: 1rem 0;
      border: 1px solid var(--border);
      border-radius: 12px;
      overflow: hidden;
    }
    .date-table th,
    .date-table td {
      padding: .65rem .75rem;
      border-bottom: 1px solid var(--border);
      text-align: left;
      vertical-align: top;
    }
    .date-table tr:nth-child(even) {
      background: #f4f0ea;
    }
    .date-table tr:hover {
      background: #eee9e2;
    }
    .date-table th {
      width: 45%;
    }
    .task-links {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
      gap: .75rem;
      margin: 1.25rem 0;
    }
    .resource-button {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: .75rem;
      min-height: 54px;
      padding: .78rem .95rem;
      border: 1px solid;
      border-radius: 12px;
      font-weight: 700;
      line-height: 1.25;
      text-decoration: none;
    }
    .resource-button.active {
      border-color: var(--blue);
      background: var(--navy);
      color: #fff;
      box-shadow: 0 4px 11px rgba(36, 42, 59, .15);
      transition: opacity .15s, transform .15s;
    }
    .resource-button.active:nth-child(2) {
      border-color: var(--lavender);
      background: var(--lavender);
    }
    .resource-button.active:hover {
      opacity: .9;
      transform: translateY(-1px);
      text-decoration: none;
    }
    .resource-button.inactive {
      border-color: var(--border);
      background: #efede9;
      color: var(--muted);
      cursor: not-allowed;
    }
    .resource-status {
      flex-shrink: 0;
      padding: .15rem .42rem;
      border-radius: 999px;
      font-size: .62rem;
      font-weight: 800;
      letter-spacing: .04em;
      text-transform: uppercase;
    }
    .resource-button.active .resource-status {
      background: rgba(255, 255, 255, .16);
      color: #fff;
    }
    .resource-button.inactive .resource-status {
      background: #e4e1dc;
      color: var(--muted);
    }
    .small-note {
      font-size: .95rem;
      opacity: .8;
    }

    .results-summary {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      margin: 1.25rem 0;
      padding: 1rem 1.1rem;
      border: 1px solid #d7e2f2;
      border-left: 4px solid var(--blue);
      border-radius: 0 12px 12px 0;
      background: linear-gradient(120deg, #f0f5fd, #f8faff);
    }
    .results-summary p { margin: .2rem 0 0; }
    .results-summary .btn { flex-shrink: 0; }
    .metric-formula {
      margin: .8rem 0 1.1rem;
      padding: .8rem 1rem;
      border: 1px solid var(--border);
      border-radius: 10px;
      background: #f8f9fd;
    }
    .leaderboard-block { margin: 1.4rem 0 1.8rem; }
    .leaderboard-block h3 { margin-bottom: .45rem; }
    .leaderboard-scroll {
      width: 100%;
      overflow-x: auto;
      margin: .75rem 0;
      border: 1px solid var(--border);
      border-radius: 12px;
      background: #fff;
    }
    .leaderboard-table {
      width: 100%;
      min-width: 760px;
      border-collapse: collapse;
      font-size: .94rem;
    }
    .leaderboard-table th,
    .leaderboard-table td {
      padding: .7rem .75rem;
      border-bottom: 1px solid var(--border);
      text-align: left;
      vertical-align: middle;
    }
    .leaderboard-table th {
      background: var(--navy);
      color: #fff;
      font-size: .82rem;
      letter-spacing: .02em;
      white-space: nowrap;
    }
    .leaderboard-table tbody tr:last-child td { border-bottom: 0; }
    .leaderboard-table tbody tr:nth-child(even) { background: #f8f9fd; }
    .leaderboard-table tbody tr:hover { background: #f1f5fb; }
    .leaderboard-table .rank { width: 54px; text-align: center; font-weight: 800; }
    .leaderboard-table .score { font-variant-numeric: tabular-nums; }
    .leaderboard-table .official-score { font-weight: 800; color: var(--navy); }
    .leaderboard-table .rank-1 { background: #fff8dd; }
    .leaderboard-table .rank-2 { background: #f5f6f8; }
    .leaderboard-table .rank-3 { background: #fbefe3; }
    .primary-badge {
      display: inline-block;
      padding: .18rem .45rem;
      border-radius: 999px;
      font-size: .72rem;
      font-weight: 800;
      line-height: 1.2;
    }
    .primary-badge.yes { background: #e8f3ed; color: #245a3b; }
    .primary-badge.no { background: #f1eef8; color: #5a4b78; }
    .results-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: .7rem;
      margin: 1rem 0 1.4rem;
    }
    .results-note { font-size: .9rem; color: var(--muted); }
    @media (max-width: 640px) {
      .results-summary { align-items: flex-start; flex-direction: column; }
    }

.card .keynote-bio h4 { font-size: 1rem; font-weight: 600; margin-bottom: .5rem; color: var(--navy); }