/* ===== METHOD DETAIL PAGE — Shared Styles ===== */
/* Extracted from vitamin-d.html template */

/* ===== METHOD DETAIL PAGE ===== */
    html { scroll-snap-type: unset !important; }

    /* --- Hero --- */
    .md-hero {
      position: relative; background: var(--color-hero-gradient);
      padding: 6.5rem 0 2.5rem; overflow: hidden;
    }
    .md-hero__bg { position: absolute; inset: 0; }
    .md-hero__particle { position: absolute; border-radius: 50%; opacity: 0.06; background: var(--color-accent); animation: mdFloat 22s infinite ease-in-out; }
    .md-hero__particle:nth-child(2) { width: 280px; height: 280px; top: -60px; right: -40px; animation-duration: 26s; }
    .md-hero__particle:nth-child(3) { width: 160px; height: 160px; bottom: -30px; left: 8%; animation-duration: 19s; animation-delay: -6s; }
    @keyframes mdFloat { 0%,100% { transform: translateY(0) scale(1); } 50% { transform: translateY(-25px) scale(1.04); } }

    .md-hero__inner {
      position: relative; z-index: 2;
      max-width: var(--container-max); margin: 0 auto; padding: 0 var(--space-xl);
    }
    .md-hero__breadcrumb {
      display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap;
      font-size: var(--font-size-sm); color: rgba(255,255,255,0.45);
      margin-bottom: var(--space-xl);
    }
    .md-hero__breadcrumb a { color: rgba(255,255,255,0.6); transition: color var(--transition-fast); }
    .md-hero__breadcrumb a:hover { color: var(--color-accent); }
    .md-hero__breadcrumb svg { width: 14px; height: 14px; flex-shrink: 0; }

    .md-hero__layout { display: grid; grid-template-columns: 1fr auto; gap: var(--space-3xl); align-items: start; }

    .md-hero__badge {
      display: inline-flex; align-items: center; gap: 0.5rem;
      background: rgba(0,180,216,0.12); border: 1px solid rgba(0,180,216,0.25);
      border-radius: 100px; padding: 0.35rem 1rem;
      font-size: var(--font-size-xs); font-weight: 600; color: var(--color-accent);
      margin-bottom: var(--space-md); letter-spacing: 0.03em;
    }
    .md-hero__code {
      font-family: 'SF Mono','Fira Code',monospace; font-size: var(--font-size-xs);
      background: rgba(0,180,216,0.15); color: var(--color-accent);
      padding: 0.2rem 0.6rem; border-radius: 4px; margin-left: 0.5rem;
    }
    .md-hero__heading {
      font-size: var(--font-size-3xl); font-weight: 800; color: #fff;
      line-height: 1.15; letter-spacing: -0.02em; margin-bottom: var(--space-lg);
    }
    .md-hero__heading .md-hero__highlight { color: #e74c3c; }

    /* Key facts strip within content */
    .md-keyfacts {
      display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: var(--space-md); margin: var(--space-xl) 0;
    }
    .md-keyfact {
      background: var(--color-white); border: 1px solid var(--color-border);
      border-radius: var(--border-radius-sm); padding: var(--space-md) var(--space-lg);
      text-align: center;
    }
    .md-keyfact__stat { font-size: var(--font-size-lg); font-weight: 800; color: var(--color-primary); }
    .md-keyfact__desc { font-size: var(--font-size-xs); color: var(--color-text-light); font-weight: 500; margin: 0; }

    /* Subsection heading with accent bar */
    .md-subsection {
      margin-top: var(--space-2xl); padding-top: var(--space-xl);
      border-top: 1px solid var(--color-border);
    }
    .md-subsection__heading {
      font-size: var(--font-size-lg); font-weight: 700; color: var(--color-primary);
      margin-bottom: var(--space-md); display: flex; align-items: center; gap: 0.5rem;
    }
    .md-subsection__heading::before {
      content: ''; width: 3px; height: 1.2em; background: var(--color-accent);
      border-radius: 2px; flex-shrink: 0;
    }

    /* Warning/caution callout variant */
    .md-callout--warn { border-left-color: #E67E22; }
    .md-callout--warn .md-callout__icon { color: #E67E22; }

    /* Highlight box for key clinical info */
    .md-highlight-box {
      background: linear-gradient(135deg, rgba(0,180,216,0.04) 0%, rgba(107,92,231,0.04) 100%);
      border: 1px solid var(--color-border); border-radius: var(--border-radius);
      padding: var(--space-xl); margin: var(--space-xl) 0;
    }
    .md-highlight-box__title {
      font-size: var(--font-size-sm); font-weight: 700; color: var(--color-primary);
      margin-bottom: var(--space-sm);
    }
    .md-highlight-box__grid {
      display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md);
    }
    @media (max-width: 600px) { .md-highlight-box__grid { grid-template-columns: 1fr; } }
    .md-highlight-box__item {
      display: flex; align-items: flex-start; gap: 0.6rem;
      font-size: var(--font-size-sm); color: var(--color-text-secondary); line-height: 1.55;
    }
    .md-highlight-box__bullet {
      width: 20px; height: 20px; border-radius: 50%; flex-shrink: 0; margin-top: 0.1rem;
      display: flex; align-items: center; justify-content: center;
      font-size: 0.6rem;
    }
    .md-highlight-box__bullet--blue { background: #E3F2FD; color: #1565C0; }
    .md-highlight-box__bullet--red { background: #FDECEA; color: #C62828; }
    .md-hero__subtitle {
      font-size: var(--font-size-md); color: rgba(255,255,255,0.65);
      line-height: 1.7; max-width: 620px; margin-bottom: 0;
    }

    /* Quick-facts sidebar */
    .md-facts {
      background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
      border-radius: var(--border-radius); padding: var(--space-xl);
      min-width: 260px;
    }
    .md-facts__title {
      font-size: var(--font-size-xs); font-weight: 700; text-transform: uppercase;
      letter-spacing: 0.08em; color: rgba(255,255,255,0.4); margin-bottom: var(--space-lg);
    }
    .md-facts__item { margin-bottom: var(--space-md); }
    .md-facts__item:last-child { margin-bottom: 0; }
    .md-facts__label { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: rgba(255,255,255,0.4); margin-bottom: 0.15rem; }
    .md-facts__value { font-size: var(--font-size-sm); color: #fff; font-weight: 600; margin: 0; }
    .md-facts__tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.3rem; }
    .md-facts__tag {
      font-size: 0.68rem; font-weight: 600; padding: 0.2rem 0.55rem;
      border-radius: 100px; white-space: nowrap;
    }
    .md-facts__tag--dbs { background: rgba(0,180,216,0.15); color: #4dd0e1; }
    .md-facts__tag--sp { background: rgba(230,126,34,0.15); color: #ffb74d; }
    .md-facts__tag--method { background: rgba(107,92,231,0.15); color: #b39ddb; }
    .md-facts__tag--blood { background: rgba(231,76,60,0.15); color: #ef9a9a; }
    .md-facts__tag--urine { background: rgba(241,196,15,0.15); color: #fff176; }
    .md-facts__tag--saliva { background: rgba(46,204,113,0.15); color: #81c784; }
    .md-facts__tag--hair { background: rgba(149,165,166,0.15); color: #b0bec5; }

    .md-facts__cta {
      display: block; width: 100%; margin-top: var(--space-xl);
      padding: 0.7rem 1.2rem; border-radius: var(--border-radius-sm);
      background: var(--color-accent); color: #fff; font-size: var(--font-size-sm);
      font-weight: 700; text-align: center; transition: background var(--transition-fast);
    }
    .md-facts__cta:hover { background: var(--color-accent-dark); color: #fff; }

    /* Sample report link */
    .md-facts__report {
      display: block; width: 100%; margin-top: var(--space-md);
      padding: 0.6rem 1rem; border-radius: var(--border-radius-sm);
      background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);
      color: rgba(255,255,255,0.8); font-size: 0.78rem;
      font-weight: 600; text-align: center; text-decoration: none;
      transition: all var(--transition-fast);
    }
    .md-facts__report:hover { background: rgba(255,255,255,0.12); color: #fff; }
    .md-facts__report--sm { margin-top: 0.35rem; font-size: 0.72rem; padding: 0.45rem 0.8rem; }
    .md-facts__report-group { margin-top: var(--space-md); }
    .md-facts__report-group .md-facts__label { margin-bottom: 0.3rem; }

    @media (max-width: 900px) {
      .md-hero__layout { grid-template-columns: 1fr; }
      .md-facts { min-width: unset; }
      .md-hero { padding: 5.5rem 0 2rem; }
      .md-hero__heading { font-size: var(--font-size-2xl); }
    }

    /* --- Content Body --- */
    .md-body { background: var(--color-bg); padding: var(--space-3xl) 0 var(--space-5xl); }
    .md-body__inner {
      max-width: var(--container-max); margin: 0 auto; padding: 0 var(--space-xl);
      display: grid; grid-template-columns: 1fr 280px; gap: var(--space-3xl);
    }
    @media (max-width: 900px) { .md-body__inner { grid-template-columns: 1fr; } }

    /* Sections */
    .md-section { margin-bottom: var(--space-3xl); }
    .md-section:last-child { margin-bottom: 0; }

    .md-section__label {
      display: inline-flex; align-items: center; gap: 0.4rem;
      font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
      letter-spacing: 0.08em; color: var(--color-accent);
      margin-bottom: var(--space-sm);
    }
    .md-section__label svg { width: 14px; height: 14px; }
    .md-section__heading {
      font-size: var(--font-size-xl); font-weight: 700;
      color: var(--color-primary); margin-bottom: var(--space-lg);
    }
    .md-section__text {
      font-size: var(--font-size-base); color: var(--color-text-secondary);
      line-height: 1.8; margin-bottom: var(--space-md);
    }
    .md-section__text:last-child { margin-bottom: 0; }

    .md-section__list {
      list-style: none; padding: 0; margin: 0 0 var(--space-lg) 0;
    }
    .md-section__list li {
      position: relative; padding-left: 1.4rem;
      font-size: var(--font-size-base); color: var(--color-text-secondary);
      line-height: 1.7; margin-bottom: 0.5rem;
    }
    .md-section__list li::before {
      content: ''; position: absolute; left: 0; top: 0.55rem;
      width: 6px; height: 6px; border-radius: 50%;
      background: var(--color-accent);
    }

    /* Analyte table */
    .md-analytes {
      width: 100%; border-collapse: collapse;
      background: var(--color-white); border-radius: var(--border-radius);
      overflow: hidden; margin-bottom: var(--space-lg);
      border: 1px solid var(--color-border);
    }
    .md-analytes th {
      text-align: left; padding: 0.75rem 1rem;
      font-size: var(--font-size-xs); font-weight: 700;
      text-transform: uppercase; letter-spacing: 0.06em;
      color: var(--color-text-light); background: var(--color-bg-alt);
      border-bottom: 1px solid var(--color-border);
    }
    .md-analytes td {
      padding: 0.7rem 1rem; font-size: var(--font-size-sm);
      color: var(--color-text-secondary); border-bottom: 1px solid var(--color-border);
      vertical-align: top;
    }
    .md-analytes tr:last-child td { border-bottom: none; }
    .md-analytes .analyte-name { font-weight: 600; color: var(--color-primary); }
    .md-analytes .analyte-note { font-size: var(--font-size-xs); color: var(--color-text-light); font-style: italic; }

    /* Reference tables */
    .md-ref-table {
      width: 100%; border-collapse: collapse;
      background: var(--color-white); border-radius: var(--border-radius);
      overflow: hidden; margin-bottom: var(--space-lg);
      border: 1px solid var(--color-border);
    }
    .md-ref-table th {
      text-align: left; padding: 0.65rem 0.8rem;
      font-size: var(--font-size-xs); font-weight: 700;
      text-transform: uppercase; letter-spacing: 0.05em;
      color: var(--color-text-light); background: var(--color-bg-alt);
      border-bottom: 1px solid var(--color-border);
    }
    .md-ref-table td {
      padding: 0.65rem 0.8rem; font-size: var(--font-size-sm);
      color: var(--color-text-secondary); border-bottom: 1px solid var(--color-border);
      vertical-align: top; line-height: 1.55;
    }
    .md-ref-table tr:last-child td { border-bottom: none; }

    .md-status-badge {
      display: inline-block; font-size: 0.68rem; font-weight: 700;
      padding: 0.15rem 0.5rem; border-radius: 100px; white-space: nowrap;
    }
    .md-status-badge--red { background: #FDECEA; color: #C62828; }
    .md-status-badge--orange { background: #FFF3E0; color: #E65100; }
    .md-status-badge--green { background: #E8F5E9; color: #2E7D32; }
    .md-status-badge--blue { background: #E3F2FD; color: #1565C0; }
    .md-status-badge--purple { background: #F3E5F5; color: #6A1B9A; }

    /* Info callout */
    .md-callout {
      background: var(--color-white); border: 1px solid var(--color-border);
      border-left: 3px solid var(--color-accent);
      border-radius: var(--border-radius-sm);
      padding: var(--space-lg);
      margin-bottom: var(--space-lg);
    }
    .md-callout__title {
      font-size: var(--font-size-sm); font-weight: 700;
      color: var(--color-primary); margin-bottom: 0.35rem;
    }
    .md-callout__text {
      font-size: var(--font-size-sm); color: var(--color-text-secondary);
      line-height: 1.6; margin: 0;
    }

    /* Literature */
    .md-literature { list-style: none; padding: 0; margin: 0; }
    .md-literature li {
      font-size: var(--font-size-sm); color: var(--color-text-secondary);
      line-height: 1.6; margin-bottom: 0.6rem;
      padding-left: 1.4rem; position: relative;
    }
    .md-literature li::before {
      content: attr(data-num); position: absolute; left: 0; top: 0;
      font-size: var(--font-size-xs); font-weight: 700; color: var(--color-accent);
    }
    .md-literature a { color: var(--color-accent); text-decoration: underline; }
    .md-literature a:hover { color: var(--color-accent-dark); }

    /* Sidebar nav */
    .md-sidebar { position: sticky; top: 100px; }
    .md-sidebar__title {
      font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
      letter-spacing: 0.08em; color: var(--color-text-light);
      margin-bottom: var(--space-md);
    }
    .md-sidebar__nav { list-style: none; padding: 0; margin: 0; }
    .md-sidebar__nav li { margin-bottom: 0.4rem; }
    .md-sidebar__nav a {
      display: block; padding: 0.4rem 0.8rem;
      font-size: var(--font-size-sm); color: var(--color-text-secondary);
      border-left: 2px solid transparent; border-radius: 0 4px 4px 0;
      transition: all var(--transition-fast);
    }
    .md-sidebar__nav a:hover,
    .md-sidebar__nav a.active {
      color: var(--color-accent); border-left-color: var(--color-accent);
      background: rgba(0,180,216,0.05);
    }

    .md-sidebar__back {
      display: inline-flex; align-items: center; gap: 0.4rem;
      font-size: var(--font-size-sm); font-weight: 600;
      color: var(--color-accent); margin-top: var(--space-xl);
    }
    .md-sidebar__back svg { width: 16px; height: 16px; }
    .md-sidebar__back:hover { color: var(--color-accent-dark); }

    /* CTA Banner */
    .md-cta {
      background: var(--color-hero-gradient); padding: var(--space-3xl) 0;
      text-align: center;
    }
    .md-cta__inner { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--space-xl); }
    .md-cta__heading { font-size: var(--font-size-2xl); font-weight: 800; color: #fff; margin-bottom: var(--space-md); }
    .md-cta__heading span { color: var(--color-accent); }
    .md-cta__text { font-size: var(--font-size-md); color: rgba(255,255,255,0.7); margin-bottom: var(--space-xl); max-width: 550px; margin-left: auto; margin-right: auto; }
    .md-cta__actions { display: flex; gap: var(--space-md); justify-content: center; flex-wrap: wrap; }

    @media (max-width: 900px) {
      .md-sidebar { display: none; }
    }