.ph-hero{padding:64px 0 44px;background:linear-gradient(145deg,#f4f8ff 0,#fff 58%,#fff5f3 100%)}
[data-theme="dark"] .ph-hero{background:linear-gradient(145deg,#14243a 0,#101827 58%,#281b1b 100%)}
.ph-eyebrow{margin:0 0 10px;color:#d33b32;font-size:.82rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.ph-hero h1,.ph-article h1{max-width:850px;margin:0;font-size:clamp(2rem,5vw,4.2rem);line-height:1.02;letter-spacing:-.045em}
.ph-lead,.ph-article-head>p{max-width:760px;margin:20px 0 0;font-size:clamp(1.05rem,2vw,1.32rem);line-height:1.6;color:var(--muted)}
.ph-preview{margin:0 0 24px;padding:14px 18px;border:1px solid #d99b27;border-radius:14px;background:#fff8df;color:#5e4210}
[data-theme="dark"] .ph-preview{background:#3a2f15;color:#ffe3a1}.ph-preview p{margin:5px 0 0}
.ph-emergency-link{display:grid;gap:4px;max-width:780px;margin:28px 0;padding:18px 20px;border:1px solid #efb1ad;border-radius:16px;background:#fff4f3;color:#7e1e19;text-decoration:none}
.ph-emergency-link:hover{transform:translateY(-1px);border-color:#d33b32}.ph-emergency-link span{line-height:1.5}
[data-theme="dark"] .ph-emergency-link{background:#351b1c;color:#ffd0cc;border-color:#713538}
.ph-search{max-width:760px;margin-top:24px}.ph-search label{display:block;margin-bottom:8px;font-weight:750}.ph-search div{display:grid;grid-template-columns:1fr auto;gap:8px}.ph-search input{min-width:0;padding:13px 15px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);font:inherit}.ph-search button{padding:0 20px;border:0;border-radius:12px;background:#172c49;color:#fff;font:inherit;font-weight:750;cursor:pointer}
.ph-filters{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.ph-filters a{padding:8px 13px;border:1px solid var(--line);border-radius:999px;text-decoration:none;color:var(--ink)}.ph-filters a[aria-current="page"]{background:#172c49;color:#fff;border-color:#172c49}
.ph-list{padding-top:42px;padding-bottom:70px}.ph-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.ph-card{display:flex;flex-direction:column;min-height:290px;padding:24px;border:1px solid var(--line);border-radius:18px;background:var(--surface);color:var(--ink);text-decoration:none;box-shadow:0 10px 28px rgba(24,42,66,.06)}.ph-card h2{margin:18px 0 10px;font-size:1.35rem;line-height:1.2}.ph-card p{margin:0 0 22px;color:var(--muted);line-height:1.55}.ph-card-meta{display:flex;gap:7px;flex-wrap:wrap}.ph-card-meta span{padding:5px 8px;border-radius:999px;background:#eef3f9;color:#39506d;font-size:.76rem;font-weight:750}[data-theme="dark"] .ph-card-meta span{background:#22344c;color:#cfe0f7}
.ph-urgency{display:inline-flex;align-self:flex-start;margin-top:auto;padding:7px 10px;border-radius:9px;font-size:.82rem}.ph-urgency.is-emergency{background:#ffe3e0;color:#a72a23}.ph-urgency.is-prompt{background:#e6f1ff;color:#245c9f}[data-theme="dark"] .ph-urgency.is-emergency{background:#552323;color:#ffd1ce}[data-theme="dark"] .ph-urgency.is-prompt{background:#17395d;color:#d3e8ff}
.ph-article{padding-top:34px;padding-bottom:70px}.ph-article>.back-link,.ph-emergency-page>.back-link{display:inline-block;margin-bottom:26px}.ph-article-head{padding:38px;border-radius:22px;background:#f5f8fc;border:1px solid var(--line)}[data-theme="dark"] .ph-article-head{background:#172335}.ph-article-head h1{margin-top:16px}.ph-article-head .ph-urgency{margin-top:22px}
.ph-redflags{margin:22px 0;padding:28px;border:2px solid #d33b32;border-radius:18px;background:#fff7f6}.ph-redflags h2{color:#a52720}[data-theme="dark"] .ph-redflags{background:#2f1b1d}.ph-redflags ul,.ph-columns ul{padding-left:1.25rem}.ph-redflags li,.ph-columns li{margin:9px 0;line-height:1.52}.ph-redflags .button{margin-top:10px}
.ph-columns{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(280px,.75fr);gap:22px;margin-top:22px}.ph-columns section,.ph-sources{padding:26px;border:1px solid var(--line);border-radius:16px;background:var(--surface)}.ph-columns section+section{margin-top:18px}.ph-columns h2,.ph-sources h2{margin-top:0;font-size:1.25rem}.ph-columns p{line-height:1.65}.ph-do{border-color:#9dc9ae!important;background:#f3fbf6!important}.ph-dont{border-color:#e7b1ad!important;background:#fff7f6!important}[data-theme="dark"] .ph-do{background:#173026!important}[data-theme="dark"] .ph-dont{background:#311d1e!important}.ph-sources{margin-top:22px}.ph-sources li{margin:8px 0}.ph-sources p{color:var(--muted)}
.ph-legal{display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px;margin-bottom:48px;padding:20px 22px;border:1px solid color-mix(in srgb,var(--blue) 30%,var(--line));border-left:4px solid var(--blue);border-radius:12px;background:color-mix(in srgb,var(--blue) 7%,var(--surface));color:var(--muted)}.ph-legal-icon{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:color-mix(in srgb,var(--blue) 12%,var(--surface));color:var(--blue)}.ph-legal-icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.ph-legal h2{margin:1px 0 8px;color:var(--ink);font-size:16px;line-height:1.35}.ph-legal p{max-width:920px;margin:0;line-height:1.55}.ph-legal p+p{margin-top:5px}.ph-empty,.ph-missing{padding:58px 0}.ph-emergency-page{padding-top:34px;padding-bottom:70px}.ph-emergency-page header{max-width:800px;margin-bottom:32px}
@media(max-width:900px){.ph-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ph-columns{grid-template-columns:1fr}.ph-hero{padding-top:44px}}
@media(max-width:620px){.ph-grid{grid-template-columns:1fr}.ph-card{min-height:0}.ph-search div{grid-template-columns:1fr}.ph-search button{min-height:46px}.ph-article-head,.ph-redflags,.ph-columns section,.ph-sources{padding:20px}.ph-hero h1,.ph-article h1{letter-spacing:-.025em}}
@media(prefers-reduced-motion:reduce){.ph-card{transition:none}}

/* v1.62.1 — keep the owner guide in the same visual family as public refs. */
.ph-hero{position:relative;isolation:isolate;overflow:visible;min-height:322px;padding:34px 0 104px;background:none}
.ph-hero::before{content:"";position:absolute;z-index:-2;inset:0 0 auto;height:476px;background-color:var(--paper);background-image:url('/assets/img/refs/pet-health-flow-light-f97941ed9fee.webp');background-position:right center;background-size:auto 90%;background-repeat:no-repeat;opacity:.46;-webkit-mask-image:linear-gradient(to bottom,#000 0%,#000 68%,transparent 100%);mask-image:linear-gradient(to bottom,#000 0%,#000 68%,transparent 100%);pointer-events:none}
.ph-hero::after{content:"";position:absolute;z-index:-1;inset:0 0 auto;height:476px;background:linear-gradient(90deg,var(--paper) 0%,var(--paper) 40%,color-mix(in srgb,var(--paper) 68%,transparent) 58%,color-mix(in srgb,var(--paper) 16%,transparent) 82%,transparent 100%);-webkit-mask-image:linear-gradient(to bottom,#000 0%,#000 68%,transparent 100%);mask-image:linear-gradient(to bottom,#000 0%,#000 68%,transparent 100%);pointer-events:none}
:root[data-theme=dark] .ph-hero::before{background-image:url('/assets/img/refs/pet-health-flow-dark-dd343b7c0ac8.webp');opacity:.64}
:root[data-theme=dark] .ph-hero::after{background:linear-gradient(90deg,var(--paper) 0%,var(--paper) 40%,color-mix(in srgb,var(--paper) 62%,transparent) 58%,color-mix(in srgb,var(--paper) 12%,transparent) 82%,transparent 100%)}
.ph-eyebrow{color:var(--blue);font-size:12px;font-weight:700;letter-spacing:.1em}
.ph-hero h1,.ph-article h1{font-size:clamp(34px,3.8vw,48px);line-height:1.08;letter-spacing:-.035em}
.ph-lead,.ph-article-head>p{font-size:18px;line-height:1.55}
.ph-preview{border-color:color-mix(in srgb,var(--warn) 48%,var(--line));border-radius:11px;background:var(--warn-bg);color:var(--ink)}
.ph-preview strong{color:var(--warn)}
[data-theme="dark"] .ph-preview{background:var(--warn-bg);color:var(--ink)}
.ph-emergency-link{border-color:color-mix(in srgb,var(--bad) 55%,var(--line));border-radius:12px;background:var(--bad-bg);color:var(--bad)}
.ph-emergency-link:hover{border-color:var(--bad);box-shadow:0 8px 22px color-mix(in srgb,var(--bad) 12%,transparent)}
[data-theme="dark"] .ph-emergency-link{border-color:color-mix(in srgb,var(--bad) 55%,var(--line));background:var(--bad-bg);color:var(--bad)}
.ph-search{padding:18px;border:1px solid color-mix(in srgb,#fff 58%,color-mix(in srgb,var(--blue) 34%,var(--line)));border-radius:16px;background:linear-gradient(135deg,color-mix(in srgb,#fff 45%,transparent),transparent 46%),linear-gradient(315deg,color-mix(in srgb,var(--blue) 11%,transparent),transparent 58%),color-mix(in srgb,var(--surface) 72%,transparent);box-shadow:0 24px 60px #1729441f,inset 0 1px 0 #ffffffc2;backdrop-filter:blur(24px) saturate(1.22)}
:root[data-theme=dark] .ph-search{border-color:color-mix(in srgb,#fff 18%,var(--line));background:linear-gradient(135deg,#ffffff14,transparent 46%),linear-gradient(315deg,color-mix(in srgb,var(--blue) 16%,transparent),transparent 58%),color-mix(in srgb,var(--surface) 76%,transparent);box-shadow:0 24px 60px #0006,inset 0 1px 0 #ffffff2e}
.ph-search label{color:var(--muted);font-size:15px}
.ph-search input{min-height:48px;border-color:color-mix(in srgb,#fff 42%,var(--line));border-radius:13px;background:color-mix(in srgb,var(--surface) 82%,transparent);box-shadow:inset 0 1px 0 #ffffff6b}
.ph-search input:hover{border-color:color-mix(in srgb,var(--ink) 55%,var(--line))}
.ph-search input:focus{border-color:var(--blue);outline:3px solid color-mix(in srgb,var(--blue) 18%,transparent)}
.ph-search button{min-height:48px;border:1px solid var(--blue);border-radius:13px;background:var(--blue);color:var(--paper);font-size:14px;font-weight:800}
.ph-search button:focus-visible{outline:3px solid color-mix(in srgb,var(--blue) 22%,transparent);outline-offset:2px}
.ph-filters a{border-radius:9px;background:var(--surface);color:var(--muted);font-size:14px;font-weight:700}
.ph-filters a:hover{border-color:var(--blue);color:var(--ink)}
.ph-filters a:focus-visible{outline:3px solid color-mix(in srgb,var(--blue) 22%,transparent);outline-offset:1px}
.ph-filters a[aria-current="page"]{border-color:var(--blue);background:color-mix(in srgb,var(--blue) 14%,var(--surface));color:var(--blue)}
.ph-list{padding-top:26px}
.ph-grid{gap:10px}
.ph-card{min-height:250px;padding:22px 24px;border-radius:14px;box-shadow:none;transition:border-color .16s ease,transform .16s ease,box-shadow .16s ease}
.ph-card:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--blue) 55%,var(--line));box-shadow:0 10px 24px #102b4f0d;text-decoration:none}
.ph-card:focus-visible{outline:3px solid color-mix(in srgb,var(--blue) 22%,transparent);outline-offset:2px}
.ph-card h2{font-size:19px;line-height:1.3}
.ph-card-meta span{border-radius:10px;background:var(--gray-bg);color:var(--gray);font-size:12px}
[data-theme="dark"] .ph-card-meta span{background:var(--gray-bg);color:var(--gray)}
.ph-urgency{border-radius:10px;font-size:12px;line-height:1.5}
.ph-urgency.is-emergency{background:var(--bad-bg);color:var(--bad)}
.ph-urgency.is-prompt{background:var(--warn-bg);color:var(--warn)}
[data-theme="dark"] .ph-urgency.is-emergency{background:var(--bad-bg);color:var(--bad)}
[data-theme="dark"] .ph-urgency.is-prompt{background:var(--warn-bg);color:var(--warn)}
.ph-article>.back-link,.ph-emergency-page>.back-link{display:inline-flex;align-items:center;min-height:44px;margin-bottom:28px;padding:7px 16px;border:1px solid transparent;border-radius:999px;background:color-mix(in srgb,var(--blue) 13%,transparent);color:var(--ink);font-weight:700;text-decoration:none;transition:background .16s ease,transform .16s ease}
.ph-article>.back-link:hover,.ph-emergency-page>.back-link:hover{background:color-mix(in srgb,var(--blue) 20%,transparent);transform:translateX(-2px)}
.ph-article>.back-link:focus-visible,.ph-emergency-page>.back-link:focus-visible{outline:3px solid color-mix(in srgb,var(--blue) 24%,transparent);outline-offset:2px}
.ph-article-head{border-radius:14px;background:linear-gradient(135deg,color-mix(in srgb,var(--blue) 8%,var(--surface)),var(--surface));box-shadow:0 12px 34px #1729440c}
[data-theme="dark"] .ph-article-head{background:linear-gradient(135deg,color-mix(in srgb,var(--blue) 10%,var(--surface)),var(--surface))}
.ph-redflags{border:1px solid var(--bad);border-radius:12px;background:var(--bad-bg);color:var(--ink)}
.ph-redflags h2{color:var(--bad)}
[data-theme="dark"] .ph-redflags{background:var(--bad-bg)}
.ph-columns section,.ph-sources{border-radius:14px}
.ph-do{border-color:color-mix(in srgb,var(--ok) 50%,var(--line))!important;background:var(--ok-bg)!important}
.ph-dont{border-color:color-mix(in srgb,var(--bad) 50%,var(--line))!important;background:var(--bad-bg)!important}
[data-theme="dark"] .ph-do{background:var(--ok-bg)!important}
[data-theme="dark"] .ph-dont{background:var(--bad-bg)!important}
.ph-sources a{color:var(--blue);text-underline-offset:2px}
@media(max-width:900px){.ph-hero{padding-top:34px}}
@media(max-width:620px){.ph-hero{min-height:0;padding:28px 0 72px}.ph-hero::before,.ph-hero::after{height:320px}.ph-hero::before{background-size:auto 88%}.ph-search{padding:14px}.ph-card{min-height:0;padding:18px}.ph-lead,.ph-article-head>p{font-size:16px}.ph-article-head{padding:22px}}

/* v1.62.2 — quieter dark surfaces, fewer boxes, and a small clinical icon language. */
.ph-preview{border-color:color-mix(in srgb,var(--blue) 34%,var(--line));background:color-mix(in srgb,var(--blue) 7%,var(--surface));color:var(--ink)}
.ph-preview strong{color:var(--blue)}
[data-theme="dark"] .ph-preview{background:color-mix(in srgb,var(--blue) 7%,var(--surface));color:var(--ink)}
.ph-emergency-link{border:1px solid var(--line);border-left:4px solid var(--bad);background:var(--surface);color:var(--ink);box-shadow:0 8px 24px #102b4f0a}
.ph-emergency-link strong{color:var(--bad)}
[data-theme="dark"] .ph-emergency-link{border-color:var(--line);border-left-color:var(--bad);background:var(--surface);color:var(--ink)}
.ph-card{position:relative;overflow:hidden}
.ph-card-icon,.ph-article-icon,.ph-heading-icon{display:grid;place-items:center;color:var(--blue)}
.ph-card-icon{position:absolute;top:18px;right:18px;width:42px;height:42px;border:1px solid color-mix(in srgb,var(--blue) 18%,var(--line));border-radius:12px;background:color-mix(in srgb,var(--blue) 8%,var(--surface))}
.ph-card-icon::after{content:"";position:absolute;width:74px;height:74px;border:1px solid color-mix(in srgb,var(--blue) 10%,transparent);border-radius:50%;pointer-events:none}
.ph-card-icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.ph-card .ph-card-meta{max-width:calc(100% - 50px)}
.ph-card h2{padding-right:40px}
.ph-urgency.is-prompt{background:color-mix(in srgb,var(--blue) 10%,var(--surface));color:var(--blue)}
[data-theme="dark"] .ph-urgency.is-prompt{background:color-mix(in srgb,var(--blue) 10%,var(--surface));color:var(--blue)}
.ph-article-head{position:relative;overflow:hidden;padding-right:118px;background:var(--surface)}
[data-theme="dark"] .ph-article-head{background:var(--surface)}
.ph-article-icon{position:absolute;top:30px;right:34px;width:64px;height:64px;border:1px solid color-mix(in srgb,var(--blue) 18%,var(--line));border-radius:18px;background:color-mix(in srgb,var(--blue) 8%,var(--surface))}
.ph-article-icon::after{content:"";position:absolute;width:104px;height:104px;border:1px solid color-mix(in srgb,var(--blue) 10%,transparent);border-radius:50%}
.ph-article-icon svg{width:32px;height:32px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.ph-heading-icon{flex:0 0 34px;width:34px;height:34px;border-radius:10px;background:color-mix(in srgb,var(--blue) 9%,var(--surface))}
.ph-heading-icon svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.ph-columns h2,.ph-sources h2,.ph-redflags h2{display:flex;align-items:center;gap:10px}
.ph-redflags{border:1px solid var(--line);border-left:4px solid var(--bad);background:var(--surface);color:var(--ink);box-shadow:0 8px 24px #102b4f0a}
.ph-redflags h2,.ph-redflags .ph-heading-icon{color:var(--bad)}
.ph-redflags .ph-heading-icon{background:color-mix(in srgb,var(--bad) 8%,var(--surface))}
[data-theme="dark"] .ph-redflags{background:var(--surface)}
.ph-columns{align-items:start}
.ph-columns>div,.ph-columns>aside{overflow:hidden;border:1px solid var(--line);border-radius:14px;background:var(--surface);box-shadow:0 10px 28px #102b4f08}
.ph-columns section{margin:0!important;padding:24px 26px;border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent}
.ph-columns>div section:last-child,.ph-columns>aside section:last-child{border-bottom:0}
.ph-do,.ph-dont{border:0!important;border-bottom:1px solid var(--line)!important;background:transparent!important}
.ph-do{box-shadow:inset 3px 0 0 color-mix(in srgb,var(--ok) 72%,var(--blue))}
.ph-dont{box-shadow:inset 3px 0 0 var(--bad)}
.ph-do h2,.ph-do .ph-heading-icon{color:color-mix(in srgb,var(--ok) 70%,var(--blue))}
.ph-dont h2,.ph-dont .ph-heading-icon{color:var(--bad)}
.ph-do .ph-heading-icon{background:color-mix(in srgb,var(--ok) 7%,var(--surface))}
.ph-dont .ph-heading-icon{background:color-mix(in srgb,var(--bad) 7%,var(--surface))}
[data-theme="dark"] .ph-do,[data-theme="dark"] .ph-dont{background:transparent!important}
.ph-sources{background:color-mix(in srgb,var(--blue) 3%,var(--surface));box-shadow:none}
.ph-sources .ph-heading-icon{color:var(--blue)}
.ph-article-body>.refs-source-disclosure{margin-top:22px}
.ph-review-meta{display:flex;justify-content:flex-end;gap:10px 24px;flex-wrap:wrap;margin:10px 0 0;color:var(--muted);font-size:13px}
.ph-review-meta p{margin:0}
@media(max-width:620px){.ph-card-icon{top:14px;right:14px;width:38px;height:38px}.ph-card h2{padding-right:28px}.ph-article-head{padding:22px}.ph-article-icon{position:relative;top:auto;right:auto;width:52px;height:52px;margin:0 0 18px;border-radius:15px}.ph-article-icon::after{width:78px;height:78px}.ph-columns section{padding:20px}.ph-redflags{padding:20px}}
@media(max-width:620px){.ph-legal{grid-template-columns:1fr;padding:18px}.ph-legal-icon{width:34px;height:34px}.ph-legal h2{margin-top:0}}

/* v1.62.3 — inner pages use the same full-width flow hero as refs. */
.ph-article{padding:0}
.ph-detail-hero{padding:28px 0 104px}
.ph-detail-hero::before{background-image:url('/assets/img/refs/pet-health-flow-light-f97941ed9fee.webp')!important}
:root[data-theme=dark] .ph-detail-hero::before{background-image:url('/assets/img/refs/pet-health-flow-dark-dd343b7c0ac8.webp')!important}
.ph-detail-hero .back-link{margin-bottom:20px}
.ph-detail-hero .ph-preview{max-width:900px;margin-bottom:24px}
.ph-detail-hero .ph-preview p{margin:5px 0 0;color:var(--ink);font-size:15px;line-height:1.5}
.ph-detail-hero .ph-article-head{max-width:940px;padding:12px 118px 0 0;border:0;background:transparent;box-shadow:none}
:root[data-theme=dark] .ph-detail-hero .ph-article-head{background:transparent}
.ph-detail-hero .ph-article-head>p{max-width:760px;margin-top:16px;color:var(--muted)}
.ph-detail-hero .ph-article-icon{top:8px;right:14px;background:color-mix(in srgb,var(--blue) 9%,transparent);backdrop-filter:blur(10px)}
.ph-detail-hero .ph-urgency{margin-top:20px}
.ph-article-body,.ph-emergency-body{position:relative;z-index:2;margin-top:-28px;padding-bottom:70px}
.ph-emergency-page .ph-detail-hero header{max-width:850px}
.ph-emergency-page .ph-detail-hero .button{margin-top:22px}
.ph-emergency-body .ph-grid{padding-top:0}
.ph-missing{min-height:430px}
.ph-missing .button{margin-top:24px}
@media(max-width:620px){.ph-detail-hero{padding:14px 0 78px}.ph-detail-hero .back-link{margin-bottom:14px}.ph-detail-hero .ph-preview{margin-bottom:18px}.ph-detail-hero .ph-article-head{padding:4px 0 0}.ph-detail-hero .ph-article-icon{position:relative;top:auto;right:auto}.ph-article-body,.ph-emergency-body{margin-top:-18px;padding-bottom:52px}.ph-missing{min-height:360px}}