/* Layout: a calm clinical reference. Header with search, category shelves, each medicine as a labelled card; drug pages as a fact sheet. */
:root{--bg:#F4F7F7;--paper:#FFFFFF;--ink:#14302D;--muted:#566B68;--line:#D6E1DF;--brand:#0B6E63;--brand-soft:#E0F0ED;--warn:#9C2F25;--warn-bg:#FBEDEB;--note-bg:#FFF6E3;--note-line:#EBD3A0;
--f-display:"Readex Pro","IBM Plex Sans Arabic",Tahoma,sans-serif;--f-body:"IBM Plex Sans Arabic",Tahoma,"Segoe UI",sans-serif}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0D1716;--paper:#142220;--ink:#E2EEEC;--muted:#9BB3AF;--line:#28403C;--brand:#4CC4B2;--brand-soft:#173430;--warn:#F08A7E;--warn-bg:#2E1A18;--note-bg:#2A2416;--note-line:#5A4A26;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#0D1716;--paper:#142220;--ink:#E2EEEC;--muted:#9BB3AF;--line:#28403C;--brand:#4CC4B2;--brand-soft:#173430;--warn:#F08A7E;--warn-bg:#2E1A18;--note-bg:#2A2416;--note-line:#5A4A26;color-scheme:dark}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:17px;line-height:1.8;direction:rtl}
a{color:var(--brand)}
.wrap{max-width:1120px;margin:0 auto;padding-inline:16px}
h1,h2,h3{font-family:var(--f-display);line-height:1.35;text-wrap:balance;margin:0}
header.site{background:var(--paper);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding-block:14px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand svg{width:38px;height:38px;flex:none}
.brand b{font-family:var(--f-display);font-size:1.25rem;display:block;line-height:1.2}
.brand small{color:var(--muted);font-size:.8rem}
nav.top{display:flex;flex-wrap:wrap;gap:4px}
nav.top a{color:var(--muted);text-decoration:none;padding:4px 10px;border-radius:99px;font-size:.92rem}
nav.top a:hover{background:var(--brand-soft);color:var(--ink)}
.hero{padding-block:30px 10px;display:grid;gap:12px}
.hero h1{font-size:clamp(1.6rem,4vw,2.4rem)}
.hero p{margin:0;color:var(--muted);max-width:62ch}
.search{max-width:520px}
input[type=search]{font:inherit;width:100%;padding:12px 16px;border-radius:12px;border:1.5px solid var(--line);background:var(--paper);color:var(--ink)}
input:focus-visible,a:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
.disc{background:var(--note-bg);border:1px solid var(--note-line);border-radius:12px;padding:12px 16px;font-size:.95rem}
.cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px;margin-block:18px}
.cat{display:grid;gap:4px;text-decoration:none;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:16px;border-inline-start:6px solid var(--c)}
.cat:hover{border-color:var(--c)}
.cat h3{font-size:1.08rem}.cat p{margin:0;color:var(--muted);font-size:.88rem;line-height:1.6}.cat small{color:var(--c);font-weight:600}
section.shelf{padding-block:22px}
.shelf-h{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px;border-bottom:2px solid var(--ink);padding-bottom:6px;margin-bottom:14px}
.shelf-h h2{font-size:1.4rem}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.card{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:14px;overflow:hidden;text-decoration:none;color:var(--ink);transition:transform .15s,border-color .15s}
.card:hover{transform:translateY(-2px);border-color:var(--brand)}
.card img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;background:var(--brand-soft)}
.card .bd{padding:10px 12px 12px;display:grid;gap:2px}
.card .ing{font-size:.78rem;color:var(--muted)}
.card h3{font-size:1.02rem}
.card .en{font-size:.85rem;color:var(--muted);direction:ltr;text-align:right}
.card .cls{font-size:.78rem;color:var(--brand);font-weight:600}
.crumbs{font-size:.9rem;color:var(--muted);padding-block:16px 0}
.crumbs a{text-decoration:none}
.sheet{display:grid;grid-template-columns:minmax(0,320px) minmax(0,1fr);gap:26px;padding-block:16px 10px;align-items:start}
@media (max-width:760px){.sheet{grid-template-columns:1fr}}
figure.pic{margin:0;background:var(--paper);border:1px solid var(--line);border-radius:16px;overflow:hidden}
figure.pic img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
figure.pic figcaption{padding:12px 14px;border-top:1px solid var(--line);font-size:.95rem}
figure.pic figcaption b{display:block;font-size:.78rem;color:var(--muted);font-weight:500}
.sheet h1{font-size:clamp(1.6rem,4vw,2.2rem)}
.sheet .en{direction:ltr;text-align:right;color:var(--muted);margin:0}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;margin-block:14px}
.facts div{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:10px 14px}
.facts span{display:block;font-size:.78rem;color:var(--muted)}
.facts p{margin:0;font-weight:600}
.box{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-block:12px}
.box h2{font-size:1.2rem;margin-bottom:6px}
.box ul{margin:0;padding-inline-start:1.2em}
.box li{margin-block:3px}
.box.serious{border-color:var(--warn);background:var(--warn-bg)}
.box.serious h2{color:var(--warn)}
.note{background:var(--note-bg);border:1px solid var(--note-line);border-radius:12px;padding:12px 16px;margin-block:12px}
.src{font-size:.88rem;color:var(--muted)}
.src a{word-break:break-all}
.page{max-width:780px;padding-block:24px}
.page h1{font-size:2rem;margin-bottom:10px}.page h2{font-size:1.2rem;margin:20px 0 6px}
.empty{color:var(--muted)}
.res{list-style:none;margin:16px 0;padding:0;display:grid;gap:8px}
.res a{display:flex;flex-wrap:wrap;gap:4px 10px;align-items:baseline;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:10px 14px;text-decoration:none;color:var(--ink)}
.res a:hover{border-color:var(--brand)}.res span{color:var(--muted);font-size:.9rem}.res small{margin-inline-start:auto;color:var(--brand);font-weight:600;font-size:.8rem}
footer{border-top:1px solid var(--line);margin-top:40px;padding-block:22px;color:var(--muted);font-size:.88rem}
footer nav{display:flex;flex-wrap:wrap;gap:14px;margin-top:8px}
footer a{color:var(--muted)}
@media (prefers-reduced-motion:reduce){.card{transition:none}.card:hover{transform:none}}