:root{--bg:#2a1008;--card:#fff7e8;--gold:#d9a943;--gold2:#f0c75a;--line:#e2c98c;--text:#271006;--muted:#6e5a4f;--danger:#b5372f;--ok:#24824b;--brown:#4b2115;--shadow:0 12px 34px rgba(0,0,0,.28)}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:radial-gradient(circle at top,#5a2a17 0,#3d1a0e 42%,#241008 100%);color:#fff7e8;padding-bottom:76px}a{color:inherit;text-decoration:none}.topbar{position:sticky;top:0;z-index:50;min-height:64px;background:rgba(30,9,4,.96);border-bottom:1px solid #7b552a;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 18px}.brand{display:flex;align-items:center;gap:10px;font-weight:900}.brand strong{font-size:17px}.logo-img{width:38px;height:38px;border-radius:12px}.topnav{display:flex;gap:8px;align-items:center;justify-content:flex-end;flex-wrap:wrap}.topnav a,.button,button{appearance:none;border:0;background:linear-gradient(180deg,var(--gold2),var(--gold));color:#261006!important;padding:10px 14px;border-radius:14px;font-weight:850;line-height:1;box-shadow:0 4px 14px rgba(0,0,0,.14);cursor:pointer;display:inline-flex;align-items:center;gap:6px}.topnav a{background:#4b2115;color:#fff7e8!important;border:1px solid #6f3b25;box-shadow:none}.badge{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;background:var(--danger);color:#fff;border-radius:999px;padding:0 6px;font-size:12px;font-weight:900;margin-left:4px}.main{max-width:1120px;margin:0 auto;padding:24px 18px}.hero,.card,.panel,.login-card{background:linear-gradient(180deg,var(--card),#fff3d9);color:var(--text);border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow)}.hero{padding:24px 28px;margin-bottom:22px;display:flex;align-items:center;gap:16px}.avatar{width:54px;height:54px;border-radius:17px;background:#4f2a1d;color:#ffd46b;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:950}.card,.panel{padding:22px;margin-bottom:18px}.login-card{max-width:430px;margin:14vh auto;padding:26px}h1,h2,h3{margin:0 0 12px;color:var(--text);line-height:1.15}h1{font-size:clamp(27px,4vw,38px)}.muted{color:var(--muted)}.dashboard-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:18px}.tile{background:linear-gradient(180deg,#fffaf0,#fff0cf);color:var(--text)!important;border:1px solid var(--line);border-radius:26px;padding:24px 23px;display:block;min-height:138px;box-shadow:0 8px 25px rgba(0,0,0,.20)}.tile h2{display:flex;align-items:center;gap:10px;margin-bottom:10px;font-size:25px}.tile p{margin:0;color:#543a2d;font-size:17px;line-height:1.35}.tile.external{border-color:#ddb967;background:linear-gradient(180deg,#fff6df,#ffe8ac)}.tile.admin{border-color:#b58a32;background:linear-gradient(180deg,#ffedbd,#f5d37a)}label{display:block;color:var(--text);font-weight:850;margin:13px 0 7px}input,select,textarea{width:100%;padding:14px;border-radius:14px;border:1px solid #d9b96b;background:#fff;color:#14100c;font:inherit;outline:none}textarea{min-height:116px}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.row button,.row .button{flex:0 0 auto}.alert{background:#fff0bd;border-left:5px solid var(--gold);color:var(--text);padding:13px 14px;border-radius:13px;margin:13px 0;font-weight:650}.list-item{border-top:1px solid #ead49b;padding:16px 0;color:var(--text)}.list-item:first-child{border-top:0}.pill{display:inline-flex;border-radius:999px;padding:5px 11px;background:#f0dfb2;color:#3c210f;font-size:13px;font-weight:850}.status-approved,.status-done,.status-paid{background:#cdebd5}.status-refused{background:#f2c7c4}.danger,button.danger,.button.danger{background:var(--danger)!important;color:#fff!important}.ok,button.ok,.button.ok{background:var(--ok)!important;color:#fff!important}.table{width:100%;border-collapse:collapse;color:var(--text)}.table th,.table td{padding:12px 10px;border-bottom:1px solid #e8d4a2;text-align:left;vertical-align:top}.bottomnav{position:fixed;bottom:0;left:0;right:0;height:62px;background:rgba(30,9,4,.98);border-top:1px solid #7b552a;display:flex;justify-content:space-around;align-items:center;z-index:80;padding-bottom:env(safe-area-inset-bottom)}.bottomnav a{color:#fff7e8!important;font-weight:850;font-size:15px;display:flex;flex-direction:column;align-items:center;gap:3px}.bottomnav a span{font-size:20px}.hidden{display:none!important}.small{font-size:13px}.message-in{border-left:5px solid var(--gold);padding-left:12px}.message-out{border-left:5px solid #7b552a;padding-left:12px;opacity:.92}
@media(max-width:900px){.dashboard-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.main{padding:22px 16px}}
@media(max-width:640px){.topbar{min-height:60px;padding:8px 12px;align-items:center}.brand strong{font-size:25px;line-height:.95;max-width:130px}.logo-img{width:48px;height:48px}.topnav{gap:6px;flex-wrap:nowrap;overflow-x:auto;max-width:62vw;padding-bottom:2px}.topnav a{white-space:nowrap;padding:10px 13px;border-radius:15px}.main{padding:16px 14px}.hero{padding:20px;border-radius:24px}.dashboard-grid{grid-template-columns:1fr;gap:16px}.tile{min-height:126px;padding:22px;border-radius:24px}.card,.panel,.login-card{border-radius:24px;padding:20px}.login-card{margin:10vh 8px}.row{display:block}.row>*{margin-bottom:9px}.table{font-size:14px}.table th,.table td{padding:9px 6px}}
/* Correctifs V4.2 */
.notif-link{position:relative;display:inline-flex!important}
.badge.mini{position:absolute;top:-6px;right:-9px;font-style:normal;min-width:19px;height:19px;font-size:11px;padding:0 5px}
.bottom-msg span{position:relative;display:inline-flex}
@media(max-width:640px){
  .topbar{min-height:54px;padding:7px 10px;gap:8px}
  .brand{gap:8px;min-width:0}
  .brand strong{font-size:22px;line-height:.95;max-width:112px}
  .logo-img{width:44px;height:44px;border-radius:13px}
  .topnav{max-width:none;overflow:visible;flex-shrink:0;gap:7px}
  .topnav a{font-size:0;padding:10px 12px;min-height:42px;border-radius:16px;white-space:nowrap}
  .topnav a::first-letter{font-size:20px}
  .topnav a[href="/profile.php"]{font-size:15px;padding:10px 13px}
  .topnav a[href="/logout.php"]{font-size:15px;padding:10px 13px}
  .topnav .hide-mobile{display:none!important}
  .topnav .notif-link{font-size:20px!important;padding:10px 14px!important}
  .topnav .badge{font-size:12px;margin-left:5px}
}
@media(max-width:380px){
  .brand strong{font-size:19px;max-width:94px}.logo-img{width:40px;height:40px}.topnav a[href="/profile.php"],.topnav a[href="/logout.php"]{font-size:13px;padding:9px 10px}.topnav .notif-link{padding:9px 12px!important}
}

/* Patch V4.3 */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.user-edit textarea{min-height:60px}@media(max-width:700px){.grid-2{grid-template-columns:1fr}.user-edit{padding-top:8px}}

/* V5 premium + messagerie dialogue */
.message-layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:22px;max-width:1180px;margin:0 auto 120px;padding:0 18px}.conversations{align-self:start}.conversation{display:grid;grid-template-columns:46px 1fr auto;align-items:center;gap:12px;text-decoration:none;color:var(--ink);padding:13px;border-radius:18px;border:1px solid rgba(199,151,65,.28);margin-bottom:10px;background:rgba(255,250,238,.75)}.conversation.active{background:#fff1bd;box-shadow:0 8px 22px rgba(0,0,0,.08)}.conversation small{display:block;color:var(--muted);margin-top:3px}.avatar-sm{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:16px;background:#5a2b1d;color:#f4c851;font-weight:900}.thread-head{display:flex;justify-content:space-between;align-items:center;gap:12px;border-bottom:1px solid rgba(199,151,65,.35);padding-bottom:12px;margin-bottom:16px}.composer{background:rgba(255,241,189,.35);border:1px solid rgba(199,151,65,.35);border-radius:22px;padding:16px;margin-bottom:18px}.bubbles{display:flex;flex-direction:column;gap:12px}.bubble{max-width:78%;padding:14px 16px;border-radius:22px;border:1px solid rgba(199,151,65,.25);box-shadow:0 8px 22px rgba(0,0,0,.06)}.bubble.mine{align-self:flex-end;background:#f4c851;color:#2b1009;border-bottom-right-radius:6px}.bubble.theirs{align-self:flex-start;background:#fff9ec;color:#2b1009;border-bottom-left-radius:6px}.bubble-meta{font-size:.85rem;color:rgba(43,16,9,.65);margin:0 0 6px}.mini-delete{margin-top:6px}.link-danger{background:transparent;border:0;color:#a4342e;font-size:.85rem;text-decoration:underline;box-shadow:none;padding:0}.checkline{display:flex;gap:8px;align-items:center}.topbar .brand strong{letter-spacing:.2px}.tile,.card,.panel{backdrop-filter:saturate(110%)}
@media(max-width:760px){.message-layout{grid-template-columns:1fr;padding:0 14px;margin-bottom:120px}.conversations{order:2}.thread{order:1}.bubble{max-width:92%}.thread-head{align-items:flex-start;flex-direction:column}.topbar{padding-top:10px}.brand strong{font-size:1.6rem}.logo-img{width:54px;height:54px}.topnav a{padding:10px 13px;font-size:.95rem}.topnav .hide-mobile{display:inline-flex}.main{padding-top:14px}.card h1{font-size:2rem}.tile h2{font-size:1.7rem}}

/* V5.1 commandes + lectures */
.bottomnav a span{position:relative}.urgent-order{border-left:7px solid var(--danger);background:linear-gradient(180deg,#fff3dc,#ffe9b5)!important}.urgent-badge{display:inline-flex;background:var(--danger);color:white;border-radius:999px;padding:5px 10px;font-weight:900;font-size:12px;margin-left:8px}.order-date{font-size:1.2rem;font-weight:900;color:#4b2115}.reader-list{background:rgba(255,255,255,.45);border:1px solid #ead49b;border-radius:14px;padding:10px 12px;margin-top:10px}.reader-ok{color:#24824b;font-weight:800}.reader-no{color:#b5372f;font-weight:800}.archive-link{float:right;font-size:14px}.app-note{font-size:13px;color:var(--muted)}

.file-viewer iframe{background:#fff}.labo-grid .tile{min-height:150px}.bottom-depots-labo span{font-size:20px}