/* Pharmacy Buyer AI Guardrails: page styles.
   Palette and rules come from the pharmacy build plan (build-plans/
   Pharmacy_Buyers_Pages_Build_Plan.md). Typography reuses the site families:
   Newsreader headlines, IBM Plex Sans body, IBM Plex Mono labels.
   The main site stylesheet (multi-page/assets/styles.css) is navy and orange
   and is deliberately not imported here. */

:root{
  --ph-green:#008C46;
  --ph-green-700:#00753b;
  --ph-deep:#085041;
  --ph-deep-2:#0a5c4b;
  --ph-sage:#DCEFE3;
  --ph-sage-2:#eaf5ee;
  --ph-amber:#FF9900;
  --ph-amber-050:#fff4e2;
  --ph-ivory:#FBF8F0;
  --ph-ink:#24312C;
  --ph-muted:#66736E;
  --ph-white:#FFFFFF;
  --ph-line:rgba(36,49,44,.16);
  --ph-line-soft:rgba(36,49,44,.09);
  --serif:'Newsreader',Georgia,'Times New Roman',serif;
  --sans:'IBM Plex Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,'SFMono-Regular',Menlo,Consolas,monospace;
  --maxw:1080px;
  --gutter:clamp(16px,4.5vw,32px);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
body{
  margin:0;font-family:var(--sans);color:var(--ph-ink);background:var(--ph-ivory);
  line-height:1.6;font-size:clamp(16px,1.02vw,17px);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;
}
h1,h2,h3,h4,p{margin:0}
h1,h2{font-family:var(--serif);font-weight:500;line-height:1.1;letter-spacing:-.01em;color:var(--ph-deep)}
h3,h4{font-weight:600;color:var(--ph-deep)}
a{color:var(--ph-green);text-decoration-thickness:1px;text-underline-offset:2px}
a:hover{color:var(--ph-green-700)}
img,svg{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
.skip{position:absolute;left:-999px;top:0;background:var(--ph-deep);color:#fff;padding:10px 16px;z-index:40}
.skip:focus{left:0}
:focus-visible{outline:3px solid var(--ph-amber);outline-offset:2px}

.eyebrow{
  font-family:var(--mono);font-size:.72rem;font-weight:500;letter-spacing:.16em;
  text-transform:uppercase;color:var(--ph-green);display:inline-flex;align-items:center;gap:.6em;
}
.eyebrow::before{content:"";width:22px;height:1px;background:currentColor;display:inline-block}
.on-dark .eyebrow{color:var(--ph-sage)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:var(--sans);font-weight:600;font-size:1rem;line-height:1.2;
  padding:.85em 1.3em;border:1.5px solid transparent;border-radius:6px;cursor:pointer;
  text-decoration:none;min-height:48px;transition:background .15s ease,border-color .15s ease,color .15s ease;
}
.btn-primary{background:var(--ph-green);color:#fff}
.btn-primary:hover{background:var(--ph-green-700);color:#fff}
.btn-secondary{background:transparent;color:var(--ph-deep);border-color:var(--ph-deep)}
.btn-secondary:hover{background:var(--ph-sage-2)}
.btn-quiet{background:transparent;color:var(--ph-deep);border-color:var(--ph-line);font-weight:500}
.btn-quiet:hover{border-color:var(--ph-deep)}
.on-dark .btn-secondary{color:#fff;border-color:rgba(255,255,255,.55)}
.on-dark .btn-secondary:hover{background:rgba(255,255,255,.1);color:#fff}
.btn[disabled]{opacity:.6;cursor:default}

/* Header */
.site-header{
  position:sticky;top:0;z-index:30;background:rgba(251,248,240,.92);
  backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--ph-line-soft);
}
.bar{min-height:60px;display:flex;align-items:center;justify-content:space-between;gap:14px;padding-block:8px}
.brand{display:flex;flex-direction:column;gap:1px;color:var(--ph-ink);text-decoration:none;min-width:0}
.brand b{font-family:var(--sans);font-weight:700;font-size:1.02rem;letter-spacing:-.01em;color:var(--ph-deep);white-space:nowrap}
.brand span{font-family:var(--mono);font-size:.6rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ph-muted);white-space:nowrap}
.header-links{display:flex;align-items:center;gap:16px;font-size:.9rem;font-weight:500}
.header-links a:not(.btn){color:var(--ph-ink);text-decoration:none}
.header-links a:not(.btn):hover{color:var(--ph-green-700);text-decoration:underline}
.header-links .btn{min-height:42px;padding:.55em 1em;font-size:.92rem}

/* Hero */
.hero{background:var(--ph-deep);color:#fff}
.hero .wrap{padding-block:clamp(36px,6vw,72px)}
.hero-grid{
  display:grid;gap:clamp(24px,4.5vw,52px);align-items:start;
  grid-template-columns:minmax(0,1.05fr) minmax(300px,.95fr);
  grid-template-areas:"copy card" "motif card";
}
.hero-copy{grid-area:copy}
.hero-motif{grid-area:motif}
.builder-card{grid-area:card}
.hero h1{color:#fff;font-size:clamp(2rem,4.6vw,3.4rem);max-width:16ch;margin-top:.9rem}
.hero .lead{color:rgba(255,255,255,.88);font-size:clamp(1rem,1.5vw,1.15rem);max-width:44ch;margin-top:1rem}
.trust-line{margin-top:1.1rem;font-family:var(--mono);font-size:.74rem;letter-spacing:.05em;color:var(--ph-sage);line-height:1.7}

/* Nine-block motif */
.motif{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;max-width:300px;margin-top:1.6rem}
.motif span{
  display:flex;align-items:flex-end;padding:7px 8px;min-height:52px;border-radius:4px;
  background:var(--ph-deep-2);border:1px solid rgba(220,239,227,.28);
  font-family:var(--mono);font-size:.52rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ph-sage);
}
.motif span.lit{background:rgba(220,239,227,.16)}
.motif span.blank{
  background:var(--ph-amber);border-color:var(--ph-amber);color:var(--ph-deep);
  font-weight:700;font-size:.9rem;align-items:center;justify-content:center;
}
.motif-caption{margin-top:.6rem;font-size:.85rem;color:rgba(255,255,255,.75);max-width:34ch}

/* Prompt builder card */
.builder-card{
  background:var(--ph-ivory);color:var(--ph-ink);border-radius:10px;padding:clamp(18px,2.6vw,26px);
  border:1px solid rgba(220,239,227,.35);box-shadow:0 24px 60px -30px rgba(0,0,0,.55);
}
.builder-card h2{font-size:1.35rem}
.builder-card .form-note{color:var(--ph-muted);font-size:.92rem;margin-top:.3rem}
.field{margin-top:14px}
.field label{display:block;font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ph-deep);font-weight:600;margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;border:1.5px solid var(--ph-line);border-radius:6px;padding:13px 12px;
  font:inherit;font-size:1rem;color:var(--ph-ink);background:#fff;
}
.field textarea{min-height:88px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--ph-green);outline:none;box-shadow:0 0 0 4px rgba(0,140,70,.14)}
.field .hint{font-size:.82rem;color:var(--ph-muted);margin-top:5px}
.check-row{display:flex;gap:10px;align-items:flex-start;margin-top:14px;font-size:.9rem}
.check-row input{width:20px;height:20px;margin-top:2px;flex:none;accent-color:var(--ph-green)}
.submit-row{display:grid;gap:10px;margin-top:16px}
.submit-row .btn{width:100%}
.phi-note{
  margin-top:12px;padding:10px 12px;border-radius:6px;background:var(--ph-amber-050);
  border:1px solid rgba(255,153,0,.45);color:#6b4a00;font-size:.85rem;font-weight:500;
}
details.context{margin-top:14px;border:1px solid var(--ph-line);border-radius:6px;background:#fff}
details.context summary{
  cursor:pointer;padding:12px;font-weight:600;color:var(--ph-deep);font-size:.95rem;
  list-style-position:inside;
}
details.context[open] summary{border-bottom:1px solid var(--ph-line-soft)}
details.context .inner{padding:2px 12px 14px}

/* Prompt output */
.prompt-output{margin-top:18px}
.prompt-output[hidden]{display:none}
.output-head{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between}
.output-head h3{font-size:1.05rem}
.copy-confirm{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;color:var(--ph-green-700);min-height:1em}
.prompt-text{
  margin-top:10px;background:#fff;border:1.5px solid var(--ph-line);border-radius:6px;
  padding:14px;max-height:340px;overflow:auto;white-space:pre-wrap;overflow-wrap:break-word;
  font-family:var(--mono);font-size:.8rem;line-height:1.55;color:var(--ph-ink);
}
.output-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.output-actions .btn{min-height:44px;padding:.6em 1em;font-size:.9rem}

/* Sections */
.section{padding-block:clamp(44px,6.5vw,76px)}
.section.alt{background:var(--ph-white)}
.section.sage{background:var(--ph-sage-2)}
.section-head{max-width:60ch}
.section-head h2{font-size:clamp(1.6rem,3vw,2.3rem);margin-top:.75rem}
.section-head p{color:var(--ph-muted);font-size:1.02rem;margin-top:.8rem;max-width:56ch}

/* Jump strip */
.jump{background:var(--ph-white);border-bottom:1px solid var(--ph-line-soft)}
.jump .wrap{padding-block:18px}
.jump p{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ph-muted)}
.jump ul{list-style:none;margin:10px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.jump a{
  display:block;padding:11px 12px;border:1px solid var(--ph-line);border-radius:6px;
  color:var(--ph-deep);font-weight:500;font-size:.9rem;text-decoration:none;background:var(--ph-ivory);
}
.jump a:hover{border-color:var(--ph-green);color:var(--ph-green-700)}

/* Quick start trio */
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:30px}
.trio-card{border:1px solid var(--ph-line);border-radius:8px;background:var(--ph-white);padding:20px}
.trio-card .tag{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ph-green-700)}
.trio-card h3{font-size:1.12rem;margin-top:.5rem}
.trio-card p{color:var(--ph-muted);font-size:.93rem;margin-top:.5rem}
.trio-close{
  margin-top:22px;padding:16px 18px;border-left:4px solid var(--ph-amber);background:var(--ph-amber-050);
  border-radius:0 6px 6px 0;font-family:var(--serif);font-size:1.15rem;color:var(--ph-deep);
}

/* Nine-block canvas explainer */
.canvas-layout{margin-top:30px}
.block-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.block-list button{
  width:100%;text-align:left;padding:12px;border-radius:6px;border:1px solid var(--ph-line);
  background:var(--ph-white);cursor:pointer;font:inherit;color:var(--ph-ink);min-height:64px;
}
.block-list button .n{font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;color:var(--ph-muted);display:block}
.block-list button .t{font-weight:600;font-size:.92rem;color:var(--ph-deep)}
.block-list button:hover{border-color:var(--ph-green)}
.block-list button[aria-expanded="true"]{background:var(--ph-sage);border-color:var(--ph-green)}
.block-list li.signal button{border-left:4px solid var(--ph-green)}
.block-list li.blankish button{border-left:4px solid var(--ph-amber)}
.block-detail{
  margin-top:14px;border:1px solid var(--ph-line);border-radius:8px;background:var(--ph-white);
  padding:clamp(18px,2.5vw,26px);
}
.block-detail .progress{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ph-muted)}
.block-detail h3{font-size:1.3rem;margin-top:.4rem}
.block-detail .lede{font-family:var(--serif);font-size:1.08rem;color:var(--ph-deep);margin-top:.4rem}
.block-detail dl{margin:14px 0 0;display:grid;gap:12px}
.block-detail dt{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ph-green-700)}
.block-detail dt.flag{color:#a35a00}
.block-detail dd{margin:.25rem 0 0;color:var(--ph-ink);font-size:.95rem}
.block-nav{display:flex;gap:8px;margin-top:16px}
.block-nav .btn{min-height:44px;padding:.55em 1em;font-size:.9rem}
.no-js .block-panel{display:block!important;margin-top:14px}
.no-js .block-nav,.no-js .block-detail .progress{display:none}
.canvas-downloads{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}

/* Toolkit */
.toolkit-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:30px}
.tool{border:1px solid var(--ph-line);border-radius:8px;background:var(--ph-white)}
.tool summary{
  cursor:pointer;padding:16px 18px;font-weight:600;color:var(--ph-deep);font-size:1.02rem;
  display:flex;justify-content:space-between;gap:10px;align-items:baseline;list-style:none;
}
.tool summary::-webkit-details-marker{display:none}
.tool summary::after{content:"open";font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ph-muted);flex:none}
.tool[open] summary::after{content:"close"}
.tool .inner{padding:0 18px 18px;border-top:1px solid var(--ph-line-soft)}
.tool .inner p{color:var(--ph-muted);font-size:.93rem;margin-top:12px}
.tool .inner ul{margin:10px 0 0;padding-left:20px;color:var(--ph-ink);font-size:.93rem;display:grid;gap:6px}
.tool .inner .dl{display:inline-flex;margin-top:14px}

/* Fifteen minutes */
.steps{list-style:none;margin:28px 0 0;padding:0;display:grid;gap:0;counter-reset:step}
.steps li{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--ph-line-soft);counter-increment:step}
.steps li::before{
  content:counter(step);flex:none;width:36px;height:36px;border-radius:6px;border:1.5px solid var(--ph-green);
  color:var(--ph-green-700);font-family:var(--mono);font-weight:600;display:flex;align-items:center;justify-content:center;
}
.steps b{color:var(--ph-deep)}
.steps p{color:var(--ph-muted);font-size:.93rem;margin-top:2px}

/* Evidence */
.evidence-list{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:12px}
.evidence-list li{border:1px solid var(--ph-line);border-radius:8px;background:var(--ph-white);padding:16px 18px}
.evidence-list .kind{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ph-green-700)}
.evidence-list b{display:block;color:var(--ph-deep);margin-top:4px}
.evidence-list p{color:var(--ph-muted);font-size:.9rem;margin-top:4px}
.stat{display:flex;align-items:baseline;gap:14px;margin-top:26px;padding:18px;border-radius:8px;background:var(--ph-deep);color:#fff}
.stat .num{font-family:var(--serif);font-size:clamp(2.2rem,4vw,3rem);line-height:1}
.stat p{color:rgba(255,255,255,.85);font-size:.9rem;max-width:46ch}

/* Boundaries */
.boundaries{border:1px solid rgba(255,153,0,.4);background:var(--ph-amber-050);border-radius:8px;padding:18px 20px;color:#5c4200;font-size:.93rem;margin-top:26px}
.boundaries b{color:#5c4200}

/* Invitation */
.invite{background:var(--ph-deep);color:#fff}
.invite .section-head h2{color:#fff}
.invite .section-head p{color:rgba(255,255,255,.85)}
.invite-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.9fr);gap:clamp(24px,4vw,48px);margin-top:8px;align-items:start}
.invite-form{background:var(--ph-ivory);color:var(--ph-ink);border-radius:10px;padding:clamp(18px,2.5vw,26px)}
.invite-form h3{font-size:1.2rem}
.status{display:none;margin-top:12px;border-radius:6px;padding:12px 14px;font-weight:500;font-size:.93rem}
.status.ok{display:block;background:var(--ph-sage);color:var(--ph-deep);border:1px solid rgba(0,140,70,.35)}
.status.err{display:block;background:#fdf0ec;color:#8c3218;border:1px solid rgba(140,50,24,.3)}
.hp{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.invite-alt{color:rgba(255,255,255,.85);font-size:.95rem;margin-top:1rem}
.invite-alt a{color:var(--ph-sage)}

/* Footer */
.footer{background:var(--ph-ink);color:rgba(255,255,255,.72);padding:30px 0;font-size:.86rem}
.footer .wrap{display:grid;gap:10px}
.footer a{color:rgba(255,255,255,.88)}
.footer .meta{font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;color:rgba(255,255,255,.5)}

/* Sticky mobile action */
.sticky{display:none}

/* Subpages (sources, privacy) */
.subpage-main .wrap{max-width:820px}
.prose h2{font-size:clamp(1.4rem,2.6vw,1.9rem);margin-top:2.2rem}
.prose h3{font-size:1.1rem;margin-top:1.6rem}
.prose p,.prose li{color:var(--ph-ink);font-size:.98rem}
.prose p{margin-top:.8rem}
.prose ul{margin:.8rem 0 0;padding-left:22px;display:grid;gap:8px}
.prose .src{border:1px solid var(--ph-line);border-radius:8px;background:var(--ph-white);padding:16px 18px;margin-top:14px}
.prose .src .kind{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ph-green-700)}
.prose .src b{display:block;margin-top:4px;color:var(--ph-deep)}
.prose .src p{color:var(--ph-muted);font-size:.9rem;margin-top:6px}
.prose .src .dates{font-family:var(--mono);font-size:.7rem;color:var(--ph-muted);margin-top:8px}
.prose table{width:100%;border-collapse:collapse;margin-top:1rem;font-size:.92rem}
.prose th,.prose td{text-align:left;padding:10px 10px;border-bottom:1px solid var(--ph-line-soft);vertical-align:top}
.prose th{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ph-muted)}

/* Responsive */
@media(max-width:920px){
  .hero-grid{grid-template-columns:1fr;grid-template-areas:"copy" "card" "motif"}
  .invite-grid{grid-template-columns:1fr}
  .trio{grid-template-columns:1fr}
  .toolkit-grid{grid-template-columns:1fr}
  .jump ul{grid-template-columns:1fr 1fr}
  .block-list{grid-template-columns:1fr}
  .block-list button{min-height:48px}
  .motif{max-width:260px}
}
@media(max-width:640px){
  .header-links a:not(.btn){display:none}
  .hero .wrap{padding-block:20px 30px}
  .hero h1{font-size:clamp(1.85rem,8vw,2.3rem);margin-top:.7rem}
  .hero .lead{margin-top:.8rem}
  /* Compact one-row motif so purpose, motif, field, and action share the first screen.
     The caption is hidden here; the motif's aria-label carries its meaning. */
  .hero-grid{grid-template-areas:"copy" "motif" "card";gap:14px}
  .motif{grid-template-columns:repeat(9,1fr);gap:4px;max-width:100%;margin-top:.2rem}
  .motif span{min-height:32px;padding:0;align-items:center;justify-content:center;font-size:0;letter-spacing:0}
  .motif span.blank{font-size:.85rem}
  .motif-caption{display:none}
  .trust-line{margin-top:.5rem}
  .builder-card{padding:16px}
  .builder-card .form-note{font-size:.88rem}
  .sticky{
    position:fixed;left:0;right:0;bottom:0;z-index:25;display:block;
    padding:10px var(--gutter) calc(10px + env(safe-area-inset-bottom));
    background:rgba(251,248,240,.95);border-top:1px solid var(--ph-line);
    backdrop-filter:saturate(140%) blur(10px);transform:translateY(120%);transition:transform .22s ease;
  }
  .sticky.show{transform:none}
  .sticky .btn{width:100%}
  .output-actions .btn{flex:1 1 46%}
}
@media(max-width:360px){
  .jump ul{grid-template-columns:1fr}
  .output-actions .btn{flex:1 1 100%}
}

@media print{
  .site-header,.jump,.sticky,.invite,.output-actions,.block-nav,.hero .btn{display:none!important}
  body{background:#fff}
  .prompt-text{max-height:none;border:1px solid #999}
  .no-js .block-panel,.block-panel{display:block!important}
}