:root{
  --bg:#050607;
  --surface:#0f1215;
  --surface-raised:#161a1e;
  --border:#252b31;
  --border-soft:#1a1e23;
  --text:#f2f4f6;
  --text-muted:#8f9ba5;
  --text-dim:#5c6670;
  --accent:#2dd4bf;
  --accent-dim:#0f3d38;
  --danger:#ff5d5d;
  --danger-dim:#3a1414;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", "Consolas", "Roboto Mono", monospace;
  --sans: -apple-system, "Segoe UI", "Inter", Roboto, Helvetica, Arial, sans-serif;
  --radius: 10px;
  --tap-min: 48px;
}
/* Thème sombre unique (OLED) — assumé, pas de variante claire */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--text); font-family:var(--sans);
  line-height:1.45; -webkit-font-smoothing:antialiased;
  padding-bottom:calc(64px + env(safe-area-inset-bottom));
}
a{color:inherit}
button{font-family:inherit}
.mono{font-family:var(--mono)}

/* ---------- situation color families ---------- */
.c-red{--c:#ff5d5d;--c-dim:#3a1414;--c-soft:#ff5d5d1a}
.c-orange{--c:#ff9a4d;--c-dim:#3a2510;--c-soft:#ff9a4d1a}
.c-green{--c:#4ade80;--c-dim:#12321c;--c-soft:#4ade801a}
.c-violet{--c:#a78bfa;--c-dim:#241b3d;--c-soft:#a78bfa1a}
.c-blue{--c:#60a5fa;--c-dim:#122238;--c-soft:#60a5fa1a}
.c-amber{--c:#fbbf24;--c-dim:#332405;--c-soft:#fbbf241a}
.c-teal{--c:#2dd4bf;--c-dim:#0f3d38;--c-soft:#2dd4bf1a}
.c-pink{--c:#f472b6;--c-dim:#3a1730;--c-soft:#f472b61a}
.c-cyan{--c:#22d3ee;--c-dim:#0b323a;--c-soft:#22d3ee1a}
.c-fuchsia{--c:#e879f9;--c-dim:#361039;--c-soft:#e879f91a}

/* ---------- top bar ---------- */
.topbar{
  position:sticky; top:0; z-index:30; background:color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-soft);
}
.topbar-inner{max-width:900px;margin:0 auto;padding:10px 14px;display:flex;gap:10px;align-items:center}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;flex-shrink:0}
.brand-mark{width:30px;height:30px;border-radius:8px;background:linear-gradient(155deg,var(--accent),#1b8f82);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.brand-mark svg{width:17px;height:17px}
.brand-text{font-weight:700;font-size:15px;letter-spacing:-.01em;white-space:nowrap}
.brand-text b{color:var(--accent)}

.search-wrap{position:relative;flex:1;min-width:0}
.search-input{
  width:100%; height:44px; border-radius:12px; border:1px solid var(--border);
  background:var(--surface); color:var(--text); padding:0 14px 0 40px; font-size:15px;
  outline:none; transition:border-color .15s;
}
.search-input:focus{border-color:var(--accent)}
.search-icon{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--text-dim);pointer-events:none}
.search-clear{position:absolute;right:8px;top:50%;transform:translateY(-50%);width:28px;height:28px;border:none;background:none;color:var(--text-dim);display:none;align-items:center;justify-content:center;border-radius:50%;cursor:pointer}
.search-clear:hover{background:var(--surface-raised)}
.search-wrap.has-value .search-clear{display:flex}

.search-results{
  position:absolute;left:0;right:0;top:calc(100% + 8px);background:var(--surface-raised);
  border:1px solid var(--border);border-radius:12px;box-shadow:0 12px 32px rgba(0,0,0,.4);
  max-height:70vh;overflow-y:auto;display:none;
}
.search-results.open{display:block}
.ampoule-icon{display:inline-flex;flex-shrink:0;color:var(--c,var(--accent))}
.ampoule-icon svg{display:block}
.ampoule-icon.sm{width:18px;height:18px}
.ampoule-icon.sm svg{width:18px;height:18px}
.ampoule-icon.lg{width:40px;height:40px}
.ampoule-icon.lg svg{width:40px;height:40px}

.search-result{display:flex;align-items:center;gap:10px;padding:11px 14px;text-decoration:none;color:var(--text);border-bottom:1px solid var(--border-soft)}
.search-result:last-child{border-bottom:none}
.search-result:hover,.search-result.active{background:var(--surface)}
.search-result .name{font-weight:600;font-size:14.5px}
.search-result .sub{color:var(--text-muted);font-size:12.5px}
.search-empty{padding:24px 16px;text-align:center;color:var(--text-dim);font-size:14px}

/* ---------- layout ---------- */
main{max-width:900px;margin:0 auto;padding:18px 14px 40px}
.section-title{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim);margin:26px 4px 10px}
.section-title:first-child{margin-top:6px}

/* ---------- home hero ---------- */
.hero{padding:22px 4px 6px}
.hero h1{font-size:22px;margin:0 0 4px;letter-spacing:-.01em}
.hero p{margin:0;color:var(--text-muted);font-size:14.5px}

/* ---------- situations grid ---------- */
.grid-situations{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
@media(min-width:560px){.grid-situations{grid-template-columns:repeat(3,1fr)}}
.tile{
  display:block;text-decoration:none;color:var(--text);
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:14px 14px 13px; min-height:92px; position:relative; overflow:hidden;
  transition:transform .12s,border-color .12s;
}
.tile:active{transform:scale(.97)}
.tile::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c)}
.tile .tile-label{font-weight:700;font-size:14.5px;line-height:1.25;padding-left:8px;display:block}
.tile .tile-count{position:absolute;right:12px;bottom:11px;font-family:var(--mono);font-size:11px;color:var(--text-dim)}
.tile .tile-dot{width:7px;height:7px;border-radius:50%;background:var(--c);position:absolute;right:12px;top:13px}

/* ---------- A-Z index ---------- */
.az-list{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.az-item{display:flex;align-items:center;gap:10px;padding:13px 14px;text-decoration:none;color:var(--text);border-bottom:1px solid var(--border-soft);min-height:var(--tap-min)}
.az-item:last-child{border-bottom:none}
.az-item:hover{background:var(--surface-raised)}
.az-item .name{font-weight:600;font-size:14.5px}
.az-item .sub{color:var(--text-muted);font-size:12.5px;margin-left:auto;text-align:right}
.az-letter{padding:8px 4px 4px;font-family:var(--mono);font-size:12px;color:var(--text-dim);font-weight:700}

/* ---------- drug detail ---------- */
.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--text-muted);text-decoration:none;font-size:13.5px;margin-bottom:14px;min-height:36px}
.back-link svg{width:15px;height:15px}
.drug-head{margin-bottom:6px}
.drug-head .dci{font-size:21px;font-weight:800;letter-spacing:-.01em;margin:0}
.drug-head .commercial{color:var(--accent);font-size:14px;font-weight:600;margin:2px 0 0}
.pictos{display:flex;gap:6px;margin-top:10px}
.picto{display:flex;align-items:center;gap:5px;background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:5px 10px 5px 8px;font-size:11.5px;color:var(--text-muted)}
.picto svg{width:14px;height:14px}

.pop-toggle{display:flex;gap:6px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:4px;margin:16px 0}
.pop-toggle button{flex:1;border:none;background:none;color:var(--text-muted);font-weight:700;font-size:13.5px;padding:10px 8px;border-radius:9px;cursor:pointer;min-height:40px}
.pop-toggle button.active{background:var(--accent);color:#04231f}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
.card-head{display:flex;align-items:center;gap:8px;padding:12px 14px 10px;border-bottom:1px solid var(--border-soft)}
.card-head svg{width:16px;height:16px;color:var(--c,var(--text-muted))}
.card-head h3{font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin:0;color:var(--c,var(--text-muted))}
.card-body{padding:12px 14px 14px}
.card.warn{border-color:color-mix(in srgb, var(--danger) 35%, var(--border))}
.card.warn .card-head{background:var(--danger-dim)}
.card.warn .card-head svg,.card.warn .card-head h3{color:var(--danger)}

ul.plain{margin:0;padding:0;list-style:none}
ul.plain li{position:relative;padding-left:16px;margin-bottom:6px;font-size:14.5px}
ul.plain li:last-child{margin-bottom:0}
ul.plain li::before{content:"";position:absolute;left:2px;top:9px;width:4px;height:4px;border-radius:50%;background:var(--text-dim)}

.bloc{margin-bottom:16px}
.bloc:last-child{margin-bottom:0}
.bloc-title{font-family:var(--mono);font-size:11.5px;font-weight:700;color:var(--accent);letter-spacing:.04em;margin:0 0 8px}
.bloc-sub{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-dim);margin:10px 0 5px;font-weight:700}
.bloc-sub:first-child{margin-top:0}

.dose-tag{
  display:inline-block; font-family:var(--mono); font-size:13.5px; line-height:1.5;
  background:var(--surface-raised); border:1px solid var(--border); border-left:3px solid var(--accent);
  border-radius:6px; padding:8px 11px; margin:0 0 6px; width:100%;
}
.voie-chips{display:flex;flex-wrap:wrap;gap:8px}
.voie-chip{display:flex;align-items:center;gap:6px;background:var(--surface-raised);border:1px solid var(--border);border-radius:8px;padding:8px 12px;font-size:13.5px;font-weight:600}
.voie-chip svg{width:15px;height:15px;color:var(--accent)}

/* ---------- calculator ---------- */
.calc{background:linear-gradient(160deg,var(--accent-dim),transparent 60%);border:1px solid color-mix(in srgb, var(--accent) 35%, var(--border));border-radius:var(--radius);padding:14px;margin-bottom:12px}
.calc-head{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.calc-head svg{width:16px;height:16px;color:var(--accent)}
.calc-head h3{margin:0;font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--accent)}
.calc-row{display:flex;gap:10px;align-items:center}
.calc-input-wrap{position:relative;flex-shrink:0;width:118px}
.calc-input{width:100%;height:48px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text);font-family:var(--mono);font-size:18px;font-weight:700;padding:0 34px 0 12px;outline:none}
.calc-input:focus{border-color:var(--accent)}
.calc-unit{position:absolute;right:11px;top:50%;transform:translateY(-50%);color:var(--text-dim);font-size:12px;font-family:var(--mono)}
.calc-result{flex:1;min-width:0}
.calc-result .value{font-family:var(--mono);font-size:22px;font-weight:800;color:var(--text)}
.calc-result .formula{font-size:12px;color:var(--text-muted);font-family:var(--mono);margin-top:3px;line-height:1.4}
.calc-note{font-size:12px;color:var(--danger);margin-top:10px;font-weight:600}
.calc-result .value.calc-placeholder{color:var(--text-dim);font-size:14px;font-weight:600}

/* ---------- situation page ---------- */
.situation-head{display:flex;align-items:center;gap:10px;margin-bottom:4px}
.situation-head .dot{width:11px;height:11px;border-radius:50%;background:var(--c)}
.situation-head h1{font-size:20px;margin:0;letter-spacing:-.01em}
.situation-list{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.sit-drug{display:block;text-decoration:none;color:var(--text);background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--c);border-radius:9px;padding:12px 14px;min-height:var(--tap-min);display:flex;align-items:center;justify-content:space-between;gap:10px}
.sit-drug:hover{background:var(--surface-raised)}
.sit-drug .name{font-weight:700;font-size:14.5px}
.sit-drug .commercial{color:var(--text-muted);font-size:12.5px;display:block;margin-top:1px}
.sit-drug .arrow{color:var(--text-dim);flex-shrink:0}

/* ---------- bottom nav ---------- */
.bottomnav{
  position:fixed;left:0;right:0;bottom:0;z-index:30;background:color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--border-soft);
  display:flex;padding-bottom:env(safe-area-inset-bottom);
}
.bottomnav a{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:9px 4px 8px;text-decoration:none;color:var(--text-dim);font-size:10.5px;font-weight:600;min-height:56px;justify-content:center}
.bottomnav a svg{width:21px;height:21px}
.bottomnav a.active{color:var(--accent)}

/* ---------- misc ---------- */
.empty-state{text-align:center;padding:60px 20px;color:var(--text-dim)}
.empty-state svg{width:40px;height:40px;margin-bottom:12px;opacity:.5}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--accent);color:#04231f;padding:10px 14px;border-radius:8px;z-index:100}
.skip-link:focus{left:14px;top:14px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
.offline-banner{display:none;background:var(--danger-dim);color:var(--danger);text-align:center;font-size:12.5px;font-weight:700;padding:7px;border-bottom:1px solid var(--border)}
.offline-banner.show{display:block}