/* Page-specific styles for /prinsipper/ai.html. Shared foundations live in /v2/. */

    /* ── Page layout ── */
    .ai-page {
      max-width: 960px;
      margin: 0 auto;
      padding: var(--s5) var(--s4) var(--s6);
    }

    /* Hero */
    .page-eyebrow {
      font-family: var(--mono);
      font-size: .72rem;
      letter-spacing: .1em;
      text-transform: uppercase;
      color: var(--blue);
      margin-bottom: var(--s2);
    }
    .page-h1 {
      font-size: clamp(2rem, 4vw, 3rem);
      font-weight: 800;
      letter-spacing: -.03em;
      line-height: 1.1;
      color: var(--td-hi);
    }
    .page-lead {
      font-size: 1.08rem;
      line-height: 1.75;
      color: var(--td-med);
      margin-top: var(--s3);
      max-width: 58ch;
    }
    .page-meta {
      font-family: var(--mono);
      font-size: .72rem;
      color: var(--td-lo);
      margin-top: var(--s3);
      padding: var(--s2) var(--s3);
      border: 1px solid var(--bd-dark);
      border-radius: var(--r2);
      display: inline-block;
    }
    .page-meta a { color: var(--blue); }
    .source-note {
      font-size: .84rem;
      line-height: 1.6;
      color: var(--td-med);
      margin-top: var(--s2);
      max-width: 72ch;
    }
    .source-note a { color: var(--blue); }
    .source-status {
      display: inline-flex;
      align-items: center;
      gap: .45rem;
      margin-left: .35rem;
      color: var(--td-lo);
    }
    .source-status::before {
      content: "";
      width: .42rem;
      height: .42rem;
      border-radius: 999px;
      background: var(--td-lo);
      opacity: .6;
    }
    .source-status.is-live::before { background: var(--green); opacity: 1; }
    .source-status.is-fallback::before { background: #D89A00; opacity: 1; }

    /* Section headers */
    .ai-page h2 {
      font-size: 1.55rem;
      font-weight: 800;
      letter-spacing: -.02em;
      color: var(--td-hi);
      margin-top: 0;
      margin-bottom: var(--s2);
    }
    .ai-page h3 {
      font-size: 1.2rem;
      font-weight: 700;
      letter-spacing: -.01em;
      color: var(--td-hi);
      margin-top: var(--s3);
      margin-bottom: var(--s2);
    }
    .ai-page h4 {
      font-size: .88rem;
      font-weight: 700;
      color: var(--td-med);
      text-transform: uppercase;
      letter-spacing: .05em;
      font-family: var(--mono);
      margin-top: var(--s3);
      margin-bottom: var(--s1);
    }
    .ai-page p {
      font-size: .98rem;
      line-height: 1.75;
      color: var(--td-med);
      margin-top: var(--s1);
    }
    .ai-page a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }

    /* Section dividers */
    .ai-page section { border-top: 1px solid var(--bd-dark); padding-top: var(--s3); margin-top: var(--s3); }
    .ai-page section:first-child { border-top: none; padding-top: 0; margin-top: 0; }

    /* Callout box */
    .callout {
      border-left: 3px solid var(--blue);
      padding: var(--s2) var(--s3);
      background: color-mix(in srgb, var(--blue) 6%, transparent);
      border-radius: 0 var(--r2) var(--r2) 0;
      font-size: .93rem;
      color: var(--td-hi);
      line-height: 1.6;
      margin-top: var(--s3);
    }

    /* Principles overview TOC */
    .principles-overview {
      list-style: none;
      counter-reset: principle;
      margin-top: var(--s3);
    }
    .principles-overview li {
      counter-increment: principle;
      display: flex;
      align-items: center;
      gap: var(--s2);
      padding: .6rem 0;
      border-bottom: 1px solid var(--bd-dark);
      font-size: .95rem;
    }
    .principles-overview li::before {
      content: '0' counter(principle);
      font-family: var(--mono);
      font-size: .72rem;
      color: var(--blue);
      min-width: 28px;
    }
    .principles-overview a { color: var(--td-hi); text-decoration: none; font-weight: 600; }
    .principles-overview a:hover { color: var(--blue); }

    /* Individual principle article */
    .principle {
      background: color-mix(in srgb, var(--cream-0) 2.5%, transparent);
      border: 1px solid var(--bd-dark);
      border-radius: var(--r3);
      padding: var(--s3);
      margin-top: var(--s3);
    }
    .principle-number {
      font-family: var(--mono);
      font-size: .72rem;
      color: var(--blue);
      letter-spacing: .08em;
      text-transform: uppercase;
      margin-bottom: var(--s1);
    }
    .principle h3 { margin-top: 0; font-size: 1.3rem; }
    .principle-statement {
      font-size: 1.02rem;
      font-style: italic;
      color: var(--td-hi);
      border-left: 3px solid var(--blue);
      padding-left: var(--s2);
      margin: var(--s3) 0;
      line-height: 1.6;
    }
    .principle h4 { margin-top: var(--s3); }

    /* Lists */
    .practice-list, .anti-practice-list, .rights-list, .accountability-list, .changelog {
      list-style: none;
      margin-top: var(--s2);
    }
    .practice-list li, .rights-list li, .accountability-list li, .changelog li {
      padding: .55rem 0;
      border-bottom: 1px solid color-mix(in srgb, var(--cream-0) 4%, transparent);
      font-size: .93rem;
      color: var(--td-med);
      line-height: 1.65;
    }
    .practice-list li {
      display: block;
      position: relative;
      padding-left: 1.4rem;
    }
    .practice-list li::before {
      content: '✓';
      color: var(--green);
      font-size: .85rem;
      position: absolute;
      left: 0;
      top: .58rem;
    }
    .anti-practice-list li {
      display: block;
      position: relative;
      padding: .55rem 0 .55rem 1.4rem;
      border-bottom: 1px solid color-mix(in srgb, var(--cream-0) 4%, transparent);
      font-size: .93rem;
      color: var(--td-med);
      line-height: 1.65;
    }
    .anti-practice-list li::before {
      content: '✕';
      color: rgba(255,100,100,.65);
      font-size: .85rem;
      position: absolute;
      left: 0;
      top: .58rem;
    }
    .practice-list li strong, .anti-practice-list li strong,
    .rights-list li strong, .accountability-list li strong { color: var(--td-hi); }
    .rights-list li, .accountability-list li { display: block; }
    .changelog li { display: flex; flex-direction: column; gap: .3rem; }
    .changelog-subtitle {
      display: block;
      margin-top: .45rem;
      font-family: var(--mono);
      font-size: .72rem;
      letter-spacing: .06em;
      text-transform: uppercase;
      color: var(--td-lo);
    }
    .changelog-details {
      list-style: disc;
      margin-top: .35rem;
      padding-left: 1.1rem;
    }
    .changelog-details li {
      display: list-item;
      margin-top: .25rem;
      padding: 0;
      border-bottom: 0;
      font-size: .9rem;
      color: var(--td-med);
      line-height: 1.55;
    }

    /* Tools table */
    .table-wrapper { overflow-x: auto; margin-top: var(--s3); }
    .tools-table {
      width: 100%;
      border-collapse: collapse;
      font-size: .85rem;
    }
    .tools-table caption { display: none; }
    .tools-table th {
      text-align: left;
      font-family: var(--mono);
      font-size: .68rem;
      letter-spacing: .08em;
      text-transform: uppercase;
      color: var(--td-lo);
      padding: var(--s2) var(--s2);
      border-bottom: 1px solid var(--bd-dark);
      white-space: nowrap;
    }
    .tools-table td {
      padding: var(--s2);
      vertical-align: top;
      color: var(--td-med);
      border-bottom: 1px solid color-mix(in srgb, var(--cream-0) 4%, transparent);
      line-height: 1.55;
      font-size: .85rem;
    }
    .tools-table td strong { color: var(--td-hi); font-size: .88rem; }
    .tools-table tr:hover td { background: color-mix(in srgb, var(--cream-0) 2%, transparent); }

    /* Final CTA */
    .principles-cta {
      margin-top: var(--s5);
      padding: var(--s4);
      background: color-mix(in srgb, var(--cream-0) 2.5%, transparent);
      border: 1px solid var(--bd-dark);
      border-radius: var(--r3);
      text-align: center;
    }
    .principles-cta h2 {
      font-size: 1.4rem;
      margin-top: 0;
    }
    .cta-group {
      display: flex;
      gap: var(--s2);
      justify-content: center;
      flex-wrap: wrap;
      margin-top: var(--s3);
    }

    /* Back link */
    .back-link {
      display: inline-flex;
      align-items: center;
      gap: .4rem;
      font-family: var(--mono);
      font-size: .78rem;
      color: var(--td-lo);
      margin-bottom: var(--s4);
      text-decoration: none;
      letter-spacing: .04em;
    }
    .back-link:hover { color: var(--blue); }

    /* ── Light mode ── */
    @media (prefers-color-scheme: light) {
      :root { --td-hi: var(--tl-hi); --td-med: var(--tl-med); --td-lo: var(--tl-lo); --bd-dark: color-mix(in srgb, var(--shadow-color) 8%, transparent); }
      body { background: var(--cream-2); }

      .page-eyebrow { color: var(--blue-on-light); }
      .page-h1 { color: var(--tl-hi); }
      .page-lead { color: var(--tl-med); }
      .page-meta { border-color: color-mix(in srgb, var(--shadow-color) 10%, transparent); color: var(--tl-lo); background: color-mix(in srgb, var(--shadow-color) 2%, transparent); }
      .page-meta a { color: var(--blue-on-light); }
      .source-note { color: var(--tl-med); }
      .source-note a { color: var(--blue-on-light); }
      .source-status { color: var(--tl-lo); }

      .ai-page h2 { color: var(--tl-hi); }
      .ai-page h3 { color: var(--tl-hi); }
      .ai-page h4 { color: var(--tl-med); }
      .ai-page p { color: var(--tl-med); }
      .ai-page a { color: var(--blue-on-light); }
      .ai-page section { border-top-color: color-mix(in srgb, var(--shadow-color) 8%, transparent); }

      .callout { border-left-color: var(--blue-on-light); background: color-mix(in srgb, var(--blue-on-light) 5%, transparent); color: var(--tl-hi); }

      .principles-overview li { border-bottom-color: color-mix(in srgb, var(--shadow-color) 7%, transparent); }
      .principles-overview li::before { color: var(--blue-on-light); }
      .principles-overview a { color: var(--tl-hi); }
      .principles-overview a:hover { color: var(--blue-on-light); }

      .principle { background: var(--cream-0); border-color: color-mix(in srgb, var(--shadow-color) 9%, transparent); }
      .principle-number { color: var(--blue-on-light); }
      .principle h3 { color: var(--tl-hi); }
      .principle-statement { color: var(--tl-hi); border-left-color: var(--blue-on-light); }

      .practice-list li, .anti-practice-list li, .rights-list li, .accountability-list li, .changelog li {
        border-bottom-color: color-mix(in srgb, var(--shadow-color) 5%, transparent);
        color: var(--tl-med);
      }
      .practice-list li strong, .anti-practice-list li strong,
      .rights-list li strong, .accountability-list li strong { color: var(--tl-hi); }
      .changelog-subtitle { color: var(--tl-lo); }
      .changelog-details li { color: var(--tl-med); }
      .practice-list li::before { color: #1a7a45; }

      .tools-table th { color: var(--tl-lo); border-bottom-color: color-mix(in srgb, var(--shadow-color) 8%, transparent); }
      .tools-table td { color: var(--tl-med); border-bottom-color: color-mix(in srgb, var(--shadow-color) 4%, transparent); }
      .tools-table td strong { color: var(--tl-hi); }
      .tools-table tr:hover td { background: color-mix(in srgb, var(--shadow-color) 2%, transparent); }

      .principles-cta { background: var(--cream-0); border-color: color-mix(in srgb, var(--shadow-color) 9%, transparent); }
      .back-link { color: var(--tl-lo); }
      .back-link:hover { color: var(--blue-on-light); }

      /* Shared overrides */
      .header-logo-svg { filter: brightness(0); }
      .footer-logo-svg { filter: brightness(0); }
      .tag { color: var(--blue-on-light); }
      .btn-primary { background: var(--tl-hi); color: var(--cream-1); box-shadow: 0 2px 12px color-mix(in srgb, var(--shadow-color) 12%, transparent); }
      .btn-primary:hover { background: var(--dark-2); }
      .btn-ghost { color: var(--tl-hi); border-color: color-mix(in srgb, var(--shadow-color) 18%, transparent); }
      .btn-ghost:hover { border-color: color-mix(in srgb, var(--shadow-color) 30%, transparent); background: color-mix(in srgb, var(--shadow-color) 4%, transparent); }
    }