:root{
  --bg:#f3f6f4;--card:#fff;--ink:#17231f;--muted:#5f6f69;--line:#dbe3df;--soft:#e9f0ec;
  --accent:#1f6f5c;--accent-2:#2c8a72;--accent-ink:#fff;--danger:#b3261e;--warn:#9a5b00;--ok:#1f7a3f;
  --shadow:0 1px 2px rgba(0,0,0,.05),0 4px 14px rgba(0,0,0,.06);
  --radius:16px;--tab-h:64px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){
  --bg:#0f1513;--card:#18201d;--ink:#e4ece8;--muted:#9aaba4;--line:#2a3531;--soft:#1f2925;
  --accent:#4fbf9f;--accent-2:#64d0b1;--accent-ink:#06231b;--danger:#ff8a80;--warn:#f0b354;--ok:#7dd29a;
  --shadow:none;color-scheme:dark;
}}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--ink);font:16px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;overscroll-behavior-y:contain}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3{margin:0;line-height:1.2}
a{color:var(--accent)}
.hidden{display:none!important}

/* ---------- connexion ---------- */
body.login{display:grid;place-items:center;padding:16px}
.login-box{width:100%;max-width:360px;background:var(--card);border-radius:20px;padding:28px 24px;box-shadow:var(--shadow);text-align:center}
.login-box img{border-radius:16px}
.login-box h1{margin:12px 0 4px;font-size:24px}
.login-box p{color:var(--muted);margin:0 0 20px}
.login-box form{text-align:left;display:grid;gap:8px}

/* ---------- structure ---------- */
.app{min-height:100%;padding-bottom:calc(var(--tab-h) + env(safe-area-inset-bottom))}
.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:10px;padding:12px 16px;padding-top:calc(12px + env(safe-area-inset-top));background:var(--bg)}
.topbar h1{font-size:20px;flex:1}
.view{padding:4px 16px 24px;max-width:640px;margin:0 auto}
.tabs{position:fixed;left:0;right:0;bottom:0;z-index:10;display:grid;grid-template-columns:repeat(3,1fr);height:calc(var(--tab-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--card);border-top:1px solid var(--line)}
.tabs button{border:0;background:none;display:grid;place-items:center;gap:2px;padding:8px 0;color:var(--muted);font-size:12px;font-weight:600}
.tabs button svg{width:24px;height:24px}
.tabs button[aria-selected=true]{color:var(--accent)}
.tabs button[aria-selected=true] .pill{background:var(--soft)}
.pill{display:grid;place-items:center;width:56px;height:30px;border-radius:999px}

/* ---------- cartes / formulaires ---------- */
.card{background:var(--card);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);margin-bottom:14px}
.card h2{font-size:17px;margin-bottom:10px}
label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin:10px 0 4px}
input[type=text],input[type=search],input[type=number],input[type=date],input[type=url],input[type=password],select,textarea{
  width:100%;min-height:46px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:var(--bg)}
textarea{min-height:90px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:0;border-color:transparent}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
.check{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:500;color:var(--ink);margin:12px 0 0}
.check input{width:22px;height:22px;accent-color:var(--accent);flex:none}
.hint{font-size:13px;color:var(--muted);margin:4px 0 0}
details.sec{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:10px}
details.sec>summary{list-style:none;cursor:pointer;padding:15px 16px;font-weight:700;display:flex;align-items:center;gap:10px}
details.sec>summary::-webkit-details-marker{display:none}
details.sec>summary::after{content:"";margin-left:auto;width:10px;height:10px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);transition:transform .2s}
details.sec[open]>summary::after{transform:rotate(-135deg)}
details.sec>summary small{font-weight:500;color:var(--muted)}
details.sec .body{padding:0 16px 16px}

/* ---------- boutons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 18px;border-radius:12px;border:1px solid var(--line);background:var(--card);font-weight:700;cursor:pointer}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.big{width:100%;min-height:54px;font-size:17px;margin-top:16px}
.btn.ghost{background:transparent;border-color:transparent;color:var(--accent)}
.btn.danger{color:var(--danger)}
.btn:disabled{opacity:.5}
.btn svg{width:20px;height:20px}
.icon-btn{border:0;background:var(--soft);width:44px;height:44px;border-radius:12px;display:grid;place-items:center;color:var(--ink)}
.icon-btn svg{width:22px;height:22px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.chip{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:7px 12px;font-size:14px;font-weight:600}
.chip.on{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.stepper{display:grid;grid-template-columns:52px 1fr 52px;gap:8px}
.stepper button{border:1px solid var(--line);background:var(--soft);border-radius:12px;font-size:22px;font-weight:700}
.stepper input{text-align:center;font-size:20px;font-weight:700}

/* ---------- scanner ---------- */
.scanner{position:relative;border-radius:20px;overflow:hidden;background:#000;aspect-ratio:3/4;max-height:58vh;width:100%}
.scanner video{width:100%;height:100%;object-fit:cover;display:block}
.scanner .frame{position:absolute;inset:28% 10%;border-radius:16px;box-shadow:0 0 0 999px rgba(0,0,0,.35)}
.scanner .frame::before,.scanner .frame::after{content:"";position:absolute;inset:0;border:3px solid #fff;border-radius:16px;clip-path:polygon(0 0,22% 0,22% 4px,4px 4px,4px 30%,0 30%,0 70%,4px 70%,4px calc(100% - 4px),22% calc(100% - 4px),22% 100%,0 100%,0 0,100% 0,78% 0,78% 4px,calc(100% - 4px) 4px,calc(100% - 4px) 30%,100% 30%,100% 70%,calc(100% - 4px) 70%,calc(100% - 4px) calc(100% - 4px),78% calc(100% - 4px),78% 100%,100% 100%,100% 0)}
.scanner .laser{position:absolute;left:12%;right:12%;top:50%;height:2px;background:#ff5a4f;box-shadow:0 0 12px #ff5a4f;animation:laser 2s ease-in-out infinite}
@keyframes laser{0%,100%{transform:translateY(-36px)}50%{transform:translateY(36px)}}
@media (prefers-reduced-motion:reduce){.scanner .laser{animation:none}}
.scanner .tools{position:absolute;right:12px;top:12px;display:grid;gap:8px}
.scanner .tools .icon-btn{background:rgba(0,0,0,.5);color:#fff}
.scanner .msg{position:absolute;inset:0;display:grid;place-items:center;color:#fff;text-align:center;padding:24px;font-weight:600}
.manual{display:flex;gap:8px;margin-top:12px}
.manual input{flex:1}

/* ---------- fiche produit ---------- */
.head{display:flex;gap:14px;align-items:flex-start}
.head img,.head .noimg{width:88px;height:88px;border-radius:14px;object-fit:contain;background:#fff;flex:none;border:1px solid var(--line)}
.head .noimg{display:grid;place-items:center;color:var(--muted);background:var(--soft)}
.head h2{font-size:19px;margin:2px 0 4px}
.head .sub{color:var(--muted);font-size:14px}
.status{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;padding:4px 10px;border-radius:999px;margin-bottom:6px}
.status.in{background:color-mix(in srgb,var(--ok) 15%,transparent);color:var(--ok)}
.status.off{background:color-mix(in srgb,var(--accent) 15%,transparent);color:var(--accent)}
.status.unk{background:color-mix(in srgb,var(--warn) 15%,transparent);color:var(--warn)}
.badges{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.badge{font-size:12px;font-weight:800;padding:4px 8px;border-radius:8px;background:var(--soft);color:var(--ink)}
.ns{color:#fff}.ns-A{background:#038141}.ns-B{background:#85bb2f}.ns-C{background:#e6a800;color:#1a1a1a}.ns-D{background:#ee8100}.ns-E{background:#e63e11}
.allerg{font-size:13px;color:var(--danger);margin-top:8px}

/* ---------- listes ---------- */
.list{list-style:none;margin:0;padding:0}
.list li{display:flex;align-items:center;gap:12px;padding:12px 4px;border-bottom:1px solid var(--line)}
.list li:last-child{border-bottom:0}
.list li button.row{all:unset;display:flex;align-items:center;gap:12px;width:100%;cursor:pointer}
.list img,.list .noimg{width:44px;height:44px;border-radius:10px;object-fit:contain;background:#fff;flex:none;border:1px solid var(--line)}
.list .noimg{background:var(--soft)}
.list b{display:block;font-weight:600}
.list small{color:var(--muted)}
.empty{color:var(--muted);text-align:center;padding:18px 8px}
.section-title{font-size:13px;font-weight:800;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin:18px 4px 6px}

/* ---------- divers ---------- */
.alert{background:color-mix(in srgb,var(--danger) 12%,transparent);color:var(--danger);border-radius:12px;padding:10px 12px;font-size:14px;margin:8px 0}
.info{background:var(--soft);border-radius:12px;padding:12px;font-size:14px}
.warnbox{background:color-mix(in srgb,var(--warn) 14%,transparent);color:var(--warn);border-radius:12px;padding:12px;font-size:14px;margin-bottom:14px}
.toast{position:fixed;left:16px;right:16px;bottom:calc(var(--tab-h) + 16px + env(safe-area-inset-bottom));z-index:20;background:var(--ink);color:var(--bg);border-radius:14px;padding:14px 16px;font-weight:600;transform:translateY(20px);opacity:0;transition:.2s;pointer-events:none;max-width:560px;margin:0 auto}
.toast.show{transform:none;opacity:1}
.toast.err{background:var(--danger);color:#fff}
.spinner{width:28px;height:28px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin:30px auto}
@keyframes spin{to{transform:rotate(360deg)}}
.sticky-actions{position:sticky;bottom:calc(var(--tab-h) + env(safe-area-inset-bottom) + 8px);z-index:4}
.sticky-actions .btn.big{box-shadow:0 6px 20px rgba(0,0,0,.18)}
@media (min-width:700px){.grid2.wide{grid-template-columns:1fr 1fr 1fr}}