:root {
      color-scheme: light;
      --ink: #1d1d1f;
      --muted: #6e6e73;
      --line: #d2d2d7;
      --paper: #ffffff;
      --wash: #f5f5f7;
      --soft: #f5f5f7;
      --accent: #0071e3;
      --accent-dark: #0059b3;
      --accent-soft: #eaf3ff;
      --gold: #806019;
      --danger: #b42318;
      --shadow: 0 12px 34px rgba(0, 0, 0, 0.07);
    }
    * { box-sizing: border-box; }
    body {
      margin: 0;
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      background: var(--wash);
      color: var(--ink);
      line-height: 1.5;
    }
    header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      min-height: 52px;
      padding: 10px clamp(20px, 4vw, 52px);
      background: rgba(255, 255, 255, 0.88);
      border-bottom: 1px solid var(--line);
      position: sticky;
      top: 0;
      z-index: 5;
      box-shadow: none;
      backdrop-filter: saturate(180%) blur(18px);
    }
    .brand strong { display: block; font-size: 18px; line-height: 1.1; }
    .brand span { color: var(--accent); font-weight: 800; font-size: 12px; letter-spacing: 0; text-transform: uppercase; }
    nav { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; font-size: 13px; }
    a { color: var(--accent-dark); font-weight: 750; text-decoration: none; }
    nav a:not(.button) { color: #424245; }
    main { max-width: 1200px; margin: 0 auto; padding: 52px 24px 72px; }
    .hero { max-width: 820px; }
    .hero-wrap { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr); gap: 22px; align-items: stretch; }
    .hero-copy { padding: 22px 0; }
    .hero-card { background: var(--soft); color: var(--ink); border-radius: 8px; padding: 24px; box-shadow: none; align-self: stretch; }
    .hero-card p { color: var(--muted); font-size: 16px; }
    .hero-card strong { color: var(--ink); }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
    .pill-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 0; }
    .pill { display: inline-flex; align-items: center; min-height: 30px; border-radius: 999px; padding: 5px 10px; background: var(--accent-soft); color: var(--accent-dark); font-size: 13px; font-weight: 850; }
    h1 { font-size: clamp(40px, 6vw, 72px); line-height: 1.03; margin: 0 0 20px; letter-spacing: 0; }
    article.panel h1 { font-size: clamp(28px, 4vw, 42px); line-height: 1.08; }
    h2 { margin-top: 38px; font-size: 26px; }
    p { color: var(--muted); font-size: 18px; }
    .panel {
      background: var(--paper);
      border: 1px solid var(--line);
      border-radius: 8px;
      padding: 22px;
      box-shadow: none;
    }
    .legal-doc { max-width: 980px; }
    article.legal-doc h1 { font-size: clamp(24px, 3vw, 34px); margin-bottom: 10px; }
    article.legal-doc h2 { margin-top: 24px; font-size: 17px; line-height: 1.25; }
    article.legal-doc p,
    article.legal-doc li { font-size: 13px; line-height: 1.45; color: #4f625a; }
    article.legal-doc p { margin: 9px 0; }
    article.legal-doc ul,
    article.legal-doc ol { margin: 8px 0 10px; padding-left: 22px; }
    article.legal-doc li { margin: 4px 0; }
    .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
    .stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin: 16px 0; }
    .stat { background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 14px; }
    .stat strong { display: block; font-size: 28px; line-height: 1; }
    .stat span { display: block; color: var(--muted); font-weight: 750; margin-top: 8px; }
    table { width: 100%; border-collapse: collapse; font-size: 14px; }
    th, td { border-bottom: 1px solid var(--line); padding: 9px 7px; text-align: left; vertical-align: top; }
    th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0; }
    .feature h2, .plan h2 { margin-top: 0; }
    .plan { display: flex; flex-direction: column; gap: 10px; min-height: 100%; }
    .price { font-size: 32px; font-weight: 900; color: var(--ink); margin: 0; }
    .list-price { color: var(--muted); text-decoration: line-through; font-weight: 800; margin: 0; }
    .intro-price { display: flex; flex-wrap: wrap; gap: 8px; align-items: baseline; }
    .intro-note { display: inline-flex; align-items: center; border-radius: 999px; padding: 4px 9px; background: #fff2d7; color: var(--gold); font-size: 12px; font-weight: 900; }
    .site-note { border-left: 3px solid var(--gold); background: #f7f7f8; }
    body.marketing-page {
      --ink: #1d1d1f;
      --muted: #6e6e73;
      --line: #d2d2d7;
      --paper: #ffffff;
      --wash: #f5f5f7;
      --soft: #f5f5f7;
      --accent: #0071e3;
      --accent-dark: #0059b3;
      --accent-soft: #eaf3ff;
      --gold: #806019;
      --shadow: 0 12px 34px rgba(0, 0, 0, 0.07);
      line-height: 1.6;
    }
    body.marketing-page a { font-weight: 600; }
    body.marketing-page .brand strong { font-weight: 700; }
    body.marketing-page h1,
    body.marketing-page h2 { font-weight: 700; }
    body.marketing-page p { color: var(--muted); font-size: 16px; }
    body.marketing-page .hero-card p { color: var(--muted); }
    body.marketing-page .button,
    body.marketing-page button { font-weight: 700; }
    body.marketing-page .hero-card { align-self: start; background: var(--soft); }
    body.marketing-page .safety-note { font-size: 16px; }
    body.homepage { background: var(--paper); }
    body.homepage .hero-wrap { display: block; }
    body.homepage .hero-copy {
      max-width: 980px;
      margin: 0 auto;
      padding: 64px 0 48px;
      text-align: center;
    }
    body.homepage .hero-copy p { max-width: 760px; margin: 10px auto; }
    body.homepage .hero-actions { justify-content: center; }
    body.homepage .hero-card {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 8px 44px;
      margin-inline: calc(50% - 50vw);
      padding: 34px max(24px, calc((100vw - 1152px) / 2));
      border: 0;
      border-radius: 0;
      background: var(--soft);
    }
    body.homepage .hero-card h2 { grid-column: 1 / -1; margin: 0 0 8px; font-size: 24px; }
    body.homepage .hero-card p { margin: 0; }
    .coach-showcase {
      margin: 64px calc(50% - 50vw) 0;
      padding: 64px max(24px, calc((100vw - 1152px) / 2));
      border: 0;
      background: var(--soft);
    }
    .coach-showcase-heading { max-width: 1050px; margin: 0 auto 24px; }
    .coach-showcase-heading h2 { margin: 0; font-size: 28px; }
    .coach-showcase-heading p { max-width: 460px; margin: 0; text-align: right; }
    .coach-showcase-track {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 28px;
      width: 100%;
      max-width: 1050px;
      margin: 0 auto;
      min-width: 0;
      padding: 0;
    }
    .coach-showcase-panel { min-width: 0; margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); box-shadow: 0 2px 12px rgba(0, 0, 0, 0.035); }
    .coach-showcase-media { aspect-ratio: 1092 / 706; overflow: hidden; border-bottom: 1px solid var(--line); background: #fff; }
    .coach-image-trigger { display: block; width: 100%; height: 100%; min-height: 0; padding: 0; border: 0; border-radius: 0; background: #fff; box-shadow: none; cursor: zoom-in; }
    .coach-image-trigger:hover { transform: none; background: #fff; box-shadow: none; }
    .coach-image-trigger:focus-visible { outline: 3px solid var(--accent); outline-offset: -3px; }
    .coach-image-trigger img { display: block; width: 100%; height: 100%; object-fit: contain; }
    .coach-showcase-panel figcaption { display: grid; grid-template-columns: minmax(150px, auto) minmax(0, 1fr); gap: 18px; align-items: baseline; padding: 16px 18px 18px; }
    .coach-showcase-panel figcaption strong { color: var(--ink); font-size: 17px; }
    .coach-showcase-panel figcaption span { color: var(--muted); font-size: 14px; line-height: 1.5; }
    .coach-attribution { grid-column: 1 / -1; color: #71807b; font-size: 11px; line-height: 1.45; }
    .coach-attribution a { font-weight: 600; }
    .coach-lightbox { width: 100vw; height: 100vh; height: 100dvh; max-width: none; max-height: none; margin: 0; padding: 0; border: 0; background: #101714; color: #fff; overflow: hidden; }
    .coach-lightbox::backdrop { background: rgba(8, 12, 10, 0.88); }
    .coach-lightbox-shell { display: grid; grid-template-rows: auto minmax(0, 1fr); height: 100%; }
    .coach-lightbox-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 58px; padding: 10px 16px; border-bottom: 1px solid rgba(255, 255, 255, 0.18); }
    .coach-lightbox-toolbar strong { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .coach-lightbox-actions { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
    .coach-lightbox-actions a { color: #fff; font-size: 14px; font-weight: 700; }
    .coach-lightbox-close,
    .coach-lightbox-zoom { min-height: 38px; padding: 8px 12px; border: 1px solid rgba(255, 255, 255, 0.34); background: transparent; box-shadow: none; }
    .coach-lightbox-close:hover,
    .coach-lightbox-zoom:hover { transform: none; background: rgba(255, 255, 255, 0.12); box-shadow: none; }
    .coach-lightbox-stage { display: flex; align-items: center; justify-content: center; min-width: 0; min-height: 0; overflow: auto; padding: 16px; }
    .coach-lightbox-image { display: block; width: auto; height: auto; max-width: 100%; max-height: 100%; object-fit: contain; }
    .coach-lightbox-stage.is-actual-size { display: block; }
    .coach-lightbox-stage.is-actual-size .coach-lightbox-image { max-width: none; max-height: none; margin: 0 auto; }
    .feature-band { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; margin-top: 56px; padding: 42px 0 8px; border-top: 1px solid var(--line); }
    .feature-item h2 { margin: 0 0 8px; font-size: 21px; }
    .feature-item p { margin: 0; }
    .book-preview {
      display: grid;
      grid-template-columns: 104px minmax(0, 1fr);
      gap: 26px;
      align-items: center;
      margin-top: 36px;
      padding: 22px 0;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }
    .book-preview-visual {
      display: grid;
      place-items: center;
      min-height: 0;
      padding: 4px;
    }
    .book-preview-cover {
      position: relative;
      display: block;
      width: 82px;
      border: 1px solid #07382f;
      background: #063e35;
      box-shadow: 0 8px 18px rgba(24, 35, 33, 0.15);
    }
    .book-preview-cover img { display: block; width: 100%; height: auto; aspect-ratio: 2 / 3; object-fit: cover; }
    .book-preview-cover:hover { transform: translateY(-1px); }
    .book-preview-cover:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
    .book-preview-copy { max-width: 860px; }
    .book-preview-label {
      margin: 0 0 3px;
      color: var(--gold) !important;
      font-size: 11px !important;
      font-weight: 700;
      text-transform: uppercase;
    }
    .book-preview-copy h2 { margin: 0 0 2px; font-size: 23px; line-height: 1.15; }
    .book-preview-subtitle { margin: 0 0 7px; color: #31443d !important; font-size: 14px !important; font-weight: 650; }
    .book-preview-copy p:not(.book-preview-label):not(.book-preview-subtitle) { max-width: 760px; margin: 0; font-size: 14px !important; line-height: 1.45; }
    body.pricing-page main > h1 { font-size: 48px; line-height: 1.08; }
    .pricing-intro { max-width: 820px; margin-bottom: 26px; }
    .pricing-intro p { margin: 7px 0; }
    .billing-note { font-size: 14px !important; }
    .pricing-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
    .plan { position: relative; gap: 14px; padding: 26px; }
    .plan.featured { border-top: 3px solid var(--accent); background: #fbfdff; }
    .plan-label { align-self: flex-start; margin: -4px 0 0; color: var(--accent-dark); font-size: 12px; font-weight: 700; text-transform: uppercase; }
    .plan h2 { font-size: 22px; line-height: 1.25; }
    .price-row { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px; }
    .price-amount { color: var(--ink); font-size: 38px; font-weight: 700; line-height: 1; }
    .price-period { color: var(--muted); font-size: 16px; font-weight: 600; }
    .price-meta { min-height: 22px; margin: 0; color: #7b6032 !important; font-size: 13px !important; font-weight: 600; }
    .plan-description { margin: 0; }
    .plan .button,
    .plan form { margin-top: auto; }
    .plan form button { width: 100%; }
    .pricing-footnote { margin: 16px 0 0; color: var(--muted) !important; font-size: 13px !important; line-height: 1.5; }
    .pricing-story { margin-top: 20px; }
    .pricing-story h2 { margin: 0 0 18px; font-size: 24px; }
    .pricing-story p { margin: 0 0 14px; }
    .pricing-legal { font-size: 13px !important; }
    .nav-more { display: none; position: relative; }
    .nav-more summary { cursor: pointer; color: var(--accent-dark); font-weight: 700; list-style: none; }
    .nav-more summary::-webkit-details-marker { display: none; }
    .nav-more[open] > div { position: absolute; right: 0; top: calc(100% + 10px); display: grid; gap: 10px; min-width: 150px; padding: 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); box-shadow: var(--shadow); }
    body.site-page footer {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 3px 24px;
      align-items: center;
      padding-top: 16px;
      padding-bottom: 16px;
    }
    body.site-page footer p { margin: 0; font-size: 13px; line-height: 1.45; }
    body.site-page footer p:last-child { grid-column: 2; grid-row: 1 / span 2; text-align: right; }
    .button, button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      border: 0;
      border-radius: 8px;
      background: var(--accent);
      color: #fff;
      font-weight: 800;
      padding: 10px 16px;
      cursor: pointer;
      box-shadow: none;
      text-decoration: none;
      transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
    }
    .button:hover, button:hover { transform: none; background: var(--accent-dark); box-shadow: none; }
    .button.small { min-height: 36px; padding: 7px 12px; }
    button.secondary, .secondary { background: #f5f5f7; color: var(--accent-dark); border: 1px solid #d2d2d7; }
    button.secondary:hover, .secondary:hover { background: #e8e8ed; color: var(--accent-dark); }
    button.danger { background: #fff2ed; color: var(--danger); border: 1px solid #edc4b5; }
    button:disabled { cursor: not-allowed; opacity: 0.55; transform: none; box-shadow: none; }
    .score-row { display: flex; align-items: flex-start; gap: 8px; margin-top: 10px; }
    .score-row button:first-child { flex: 1; }
    .score-help {
      width: 24px;
      min-width: 24px;
      min-height: 24px;
      height: 24px;
      padding: 0;
      border-radius: 999px;
      background: #eef4f1;
      color: var(--accent-dark);
      border: 1px solid #b8d1c9;
      box-shadow: none;
      font-size: 13px;
      line-height: 1;
      transform: translateY(-5px);
    }
    .score-help:hover { background: #dcebe6; color: var(--accent-dark); box-shadow: none; transform: translateY(-5px); }
    .score-status[hidden] { display: none; }
    .osce-image {
      display: block;
      width: min(100%, 720px);
      max-height: 520px;
      object-fit: contain;
      margin-top: 10px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #fff;
    }
    .osce-source {
      width: min(100%, 720px);
      margin-top: 2px;
      color: rgba(91, 105, 99, 0.52);
      font-size: 9px;
      line-height: 1.2;
      letter-spacing: 0;
    }
    .osce-source a {
      color: inherit;
      text-decoration: underline;
      text-underline-offset: 0.14em;
    }
    .osce-source a:hover { text-decoration: underline; }
    .message-source-note {
      width: min(100%, 720px);
      margin-top: 4px;
      color: rgba(91, 105, 99, 0.66);
      font-size: 9px;
      line-height: 1.3;
      letter-spacing: 0;
    }
    .message-citations {
      width: min(100%, 720px);
      margin-top: 4px;
      color: rgba(91, 105, 99, 0.70);
      font-size: 10px;
      line-height: 1.35;
      letter-spacing: 0;
    }
    .message-citations a {
      color: inherit;
      text-decoration: underline;
      text-decoration-thickness: 1px;
      text-underline-offset: 2px;
    }
    .field-label-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin: 12px 0 6px; }
    .field-label-row label { margin: 0; }
    .inline-help {
      width: 22px;
      min-width: 22px;
      height: 22px;
      min-height: 22px;
      padding: 0;
      border-radius: 999px;
      background: #eef4f1;
      color: var(--accent-dark);
      border: 1px solid #b8d1c9;
      box-shadow: none;
      font-size: 12px;
      line-height: 1;
    }
    .inline-help:hover { background: #dcebe6; color: var(--accent-dark); box-shadow: none; transform: none; }
    .help-text { font-size: 14px; margin: 6px 0 0; }
    .help-text[hidden] { display: none; }
    .modal-backdrop[hidden] { display: none; }
    .modal-backdrop {
      position: fixed;
      inset: 0;
      z-index: 30;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 20px;
      background: rgba(13, 28, 23, 0.46);
    }
    .modal {
      width: min(620px, 100%);
      max-height: calc(100vh - 40px);
      max-height: min(760px, calc(100vh - 40px));
      max-height: min(760px, calc(100dvh - 40px));
      overflow: auto;
      background: var(--paper);
      border: 1px solid var(--line);
      border-radius: 8px;
      padding: 20px;
      box-shadow: 0 24px 70px rgba(13, 28, 23, 0.28);
    }
    .modal h2 { margin: 0; }
    .modal-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
    .modal-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
    input, select, textarea {
      width: 100%;
      border: 1px solid var(--line);
      border-radius: 8px;
      padding: 12px 14px;
      font: inherit;
      background: #fff;
      color: var(--ink);
    }
    label { display: block; color: var(--muted); font-weight: 800; margin: 12px 0 6px; }
    .auth-consent-row {
      display: flex;
      align-items: flex-start;
      gap: 9px;
      margin: 10px 0;
      color: var(--muted);
      font-size: 15px;
      font-weight: 600;
      line-height: 1.45;
    }
    .auth-consent-row input {
      flex: 0 0 auto;
      width: auto;
      margin: 3px 0 0;
    }
    .auth-safety-note {
      margin: 10px 0 14px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 500;
      line-height: 1.45;
    }
    footer {
      padding: 24px clamp(18px, 4vw, 48px);
      border-top: 1px solid var(--line);
      color: var(--muted);
      background: var(--paper);
      font-size: 14px;
    }
    .mobile-return { display: none; }
    .error { border: 1px solid #edc4b5; color: var(--danger); background: #fff8f5; padding: 12px; border-radius: 8px; }
    .muted { color: var(--muted); }
    .small { font-size: 13px; }
    .device-card {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      border-top: 1px solid var(--line);
      padding: 10px 0;
    }
    .device-card:first-of-type { border-top: 0; }
    .device-main {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      min-width: 0;
    }
    .device-action { flex: 0 0 auto; }
    .chat-shell { display: grid; grid-template-columns: 310px minmax(0, 1fr); width: calc(100vw - 36px); height: calc(100vh - 128px); min-height: 560px; margin-left: calc(50% - 50vw + 18px); border: 1px solid var(--line); background: var(--paper); border-radius: 8px; overflow: hidden; box-shadow: var(--shadow); }
    .practice-access-notice { margin: 12px 14px 0; padding: 12px 14px; border: 1px solid var(--accent); border-radius: 6px; background: var(--accent-soft); color: var(--ink); }
    .practice-access-notice p { margin: 4px 0 0; }
    .practice-access-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
    .practice-access-actions .button { min-height: 36px; padding: 7px 12px; }
    .sidebar { border-right: 1px solid var(--line); padding: 18px; background: var(--soft); overflow: auto; }
    .sidebar-card { border: 1px solid var(--line); border-radius: 8px; padding: 14px; background: #fff; margin-top: 16px; }
    .chat { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
    .messages { flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding: 24px clamp(24px, 4vw, 64px); scroll-behavior: smooth; }
    .composer { border-top: 1px solid var(--line); padding: 16px clamp(24px, 4vw, 64px); display: grid; grid-template-columns: minmax(0, 1fr) minmax(140px, 190px); gap: 12px; align-items: end; background: #fbfdfc; }
    .message { margin: 0 0 18px; max-width: 1080px; }
    .message strong { display: block; margin-bottom: 6px; color: var(--muted); }
    .bubble { border: 1px solid var(--line); border-radius: 8px; padding: 15px 17px; background: #fff; white-space: pre-wrap; font-size: 17px; }
    .you { margin-left: auto; max-width: 960px; }
    .you .bubble { background: var(--accent); color: #fff; border-color: var(--accent); }
    @media (max-width: 1180px) and (min-width: 801px) {
      .pricing-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }
    @media (max-width: 800px) {
      header { align-items: flex-start; flex-direction: column; }
      .hero-wrap { grid-template-columns: 1fr; }
      .chat-shell { display: flex; flex-direction: column; width: auto; height: auto; min-height: 0; margin-left: 0; }
      .sidebar { order: 1; border-right: 0; border-bottom: 1px solid var(--line); }
      .chat { order: 2; min-height: 64vh; }
      body.practice-active header { display: none; }
      body.practice-active main { padding: 8px; max-width: none; }
      body.practice-active footer { display: none; }
      body.practice-active .mobile-return {
        display: inline-flex;
        position: fixed;
        top: calc(env(safe-area-inset-top, 0px) + 8px);
        right: 10px;
        z-index: 25;
        min-height: 36px;
        padding: 7px 11px;
        border: 1px solid #b8d1c9;
        background: rgba(255, 255, 255, 0.94);
        color: var(--accent-dark);
        box-shadow: 0 8px 22px rgba(22, 39, 33, 0.12);
      }
      body.practice-active .chat-shell.chat-first { border-radius: 0; border-left: 0; border-right: 0; box-shadow: none; }
      .chat-shell.chat-first .chat { order: 1; height: calc(100vh - 16px); height: calc(100dvh - 16px); min-height: 0; }
      .chat-shell.chat-first .sidebar { order: 2; border-bottom: 0; border-top: 1px solid var(--line); }
      .chat-shell.chat-first .composer { position: sticky; bottom: 0; z-index: 2; }
      .chat-shell.chat-first .messages { padding: 14px; }
      .chat-shell.chat-first .composer { padding: 12px; }
      .chat-shell.chat-first textarea { min-height: 96px; }
      .device-card { align-items: flex-start; }
      .composer { grid-template-columns: 1fr; }
      body.marketing-page header { flex-direction: row; align-items: center; padding: 10px 18px; }
      body.marketing-page .brand strong { font-size: 19px; }
      body.marketing-page nav > a { display: none; }
      body.marketing-page .nav-more { display: block; }
      body.marketing-page main { padding-top: 30px; }
      .coach-showcase { margin-top: 40px; padding: 42px 18px; }
      .coach-showcase-heading { display: block; }
      .coach-showcase-heading h2 { font-size: 24px; }
      .coach-showcase-heading p { margin-top: 6px; text-align: left; }
      .coach-showcase-track { grid-template-columns: minmax(0, 1fr); gap: 18px; }
      .coach-showcase-panel figcaption { grid-template-columns: 1fr; gap: 4px; padding: 14px; }
      .feature-band { grid-template-columns: 1fr; gap: 24px; }
      body.homepage .hero-copy { padding: 34px 0 30px; text-align: left; }
      body.homepage .hero-copy p { margin-left: 0; }
      body.homepage .hero-actions { justify-content: flex-start; }
      body.homepage .hero-card { grid-template-columns: 1fr; gap: 12px; padding: 26px 18px; }
      body.homepage .hero-card h2 { grid-column: 1; }
      .book-preview { grid-template-columns: 76px minmax(0, 1fr); gap: 16px; padding: 20px 0; }
      .book-preview-visual { min-height: 0; padding: 4px 9px 7px 3px; }
      .book-preview-cover { width: 62px; }
      .book-preview-copy { text-align: left; }
      .book-preview-copy h2 { font-size: 18px; }
      .book-preview-subtitle { margin-bottom: 6px; font-size: 12px !important; line-height: 1.35; }
      .book-preview-copy p:not(.book-preview-label):not(.book-preview-subtitle) { font-size: 12px !important; line-height: 1.4; }
      body.pricing-page main > h1 { font-size: 36px; }
      .pricing-grid { grid-template-columns: 1fr; }
      .price-amount { font-size: 34px; }
      body.site-page footer { grid-template-columns: 1fr; gap: 8px; }
      body.site-page footer p:last-child { grid-column: 1; grid-row: auto; text-align: left; }
    }

.practice-retry { margin-top: 0.75rem; }
.practice-retry[hidden] { display: none; }