/* EVC Cardio — design system */
:root{
  --bg:#f5f7fa; --surface:#ffffff; --surface-2:#eef2f7; --ink:#14202e; --ink-2:#44546a; --ink-3:#6b7a90;
  --line:#dbe3ec; --primary:#14426b; --primary-ink:#ffffff; --primary-2:#1e5d96; --accent:#0e6b5a;
  --danger:#a4123f; --warn:#a85b10; --ok:#1b7f4b; --info:#1e5d96;
  --shadow:0 1px 2px rgba(16,32,52,.06),0 8px 24px rgba(16,32,52,.06);
  --radius:14px; --radius-s:9px;
  --font:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --serif:ui-serif,Georgia,"Times New Roman",serif;
}
:root[data-theme="dark"]{
  --bg:#0d141c; --surface:#142030; --surface-2:#1a2a3d; --ink:#e8eef5; --ink-2:#b4c2d3; --ink-3:#8496ab;
  --line:#26384d; --primary:#5aa0e0; --primary-ink:#06121f; --primary-2:#7db7ee; --accent:#3fc2a6;
  --danger:#ff6b8f; --warn:#f0a35a; --ok:#4cd08a; --info:#7db7ee;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 28px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.55;
  -webkit-font-smoothing:antialiased}
a{color:var(--primary-2);text-decoration:none} a:hover{text-decoration:underline}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:1.75rem} h2{font-size:1.3rem} h3{font-size:1.1rem}
p{margin:.5em 0}
:focus-visible{outline:3px solid color-mix(in srgb,var(--primary-2) 70%,transparent);outline-offset:2px;border-radius:6px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* layout */
.app{display:grid;grid-template-columns:272px 1fr;min-height:100vh}
.side{position:sticky;top:0;height:100vh;overflow:auto;background:var(--surface);border-right:1px solid var(--line);
  padding:20px 14px;display:flex;flex-direction:column;gap:6px}
.brand{display:flex;align-items:center;gap:12px;padding:6px 10px 18px}
.brand .logo{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--accent));
  display:grid;place-items:center;color:#fff;box-shadow:var(--shadow)}
.brand b{display:block;font-size:1.02rem;letter-spacing:-.01em}
.brand span{font-size:.78rem;color:var(--ink-3)}
.nav-group{font-size:.7rem;text-transform:uppercase;letter-spacing:.09em;color:var(--ink-3);padding:14px 12px 6px}
.nav a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;color:var(--ink-2);font-weight:550}
.nav a svg{flex:none;opacity:.85}
.nav a:hover{background:var(--surface-2);text-decoration:none;color:var(--ink)}
.nav a.on{background:color-mix(in srgb,var(--primary) 12%,transparent);color:var(--primary-2)}
.nav .count{margin-left:auto;font-size:.72rem;background:var(--surface-2);color:var(--ink-2);border-radius:999px;padding:1px 8px}
.side-foot{margin-top:auto;padding:12px 10px 0;border-top:1px solid var(--line);font-size:.85rem;color:var(--ink-2)}
.main{min-width:0;display:flex;flex-direction:column}
.top{position:sticky;top:0;z-index:20;display:flex;gap:12px;align-items:center;padding:12px 28px;
  background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .search{flex:1;max-width:560px;position:relative}
.top input[type=search]{width:100%;padding:10px 14px 10px 40px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);font:inherit}
.top .search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--ink-3)}
.page{padding:28px;max-width:1180px;width:100%;margin:0 auto}
.crumbs{font-size:.85rem;color:var(--ink-3);margin-bottom:10px;display:flex;gap:8px;flex-wrap:wrap}
.crumbs a{color:var(--ink-3)}
.lead{color:var(--ink-2);max-width:70ch}

/* controls */
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--surface);color:var(--ink);
  padding:9px 14px;border-radius:10px;font-weight:600;transition:.15s;text-decoration:none}
.btn:hover{border-color:var(--primary-2);text-decoration:none;transform:translateY(-1px)}
.btn.primary{background:var(--primary);border-color:var(--primary);color:var(--primary-ink)}
.btn.primary:hover{background:var(--primary-2)}
.btn.ghost{background:transparent}
.btn.danger{color:var(--danger);border-color:color-mix(in srgb,var(--danger) 40%,var(--line))}
.btn.sm{padding:6px 10px;font-size:.85rem;border-radius:8px}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.spacer{flex:1}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.pill{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:2px 10px;font-size:.78rem;font-weight:650;
  background:var(--surface-2);color:var(--ink-2)}
.pill.prim{background:color-mix(in srgb,var(--primary) 14%,transparent);color:var(--primary-2)}
.pill.ok{background:color-mix(in srgb,var(--ok) 16%,transparent);color:var(--ok)}
.pill.warn{background:color-mix(in srgb,var(--warn) 16%,transparent);color:var(--warn)}
.pill.bad{background:color-mix(in srgb,var(--danger) 14%,transparent);color:var(--danger)}
.muted{color:var(--ink-3)}
textarea,input[type=text],input[type=password],input[type=number],select{width:100%;padding:11px 13px;border-radius:10px;
  border:1px solid var(--line);background:var(--surface);color:var(--ink);font:inherit}
textarea{min-height:190px;resize:vertical;line-height:1.6}
label{font-weight:600;font-size:.9rem;display:block;margin:12px 0 6px}
.bar{height:8px;border-radius:99px;background:var(--surface-2);overflow:hidden}
.bar>i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:99px}

/* hero / kpi */
.hero{background:linear-gradient(135deg,var(--primary),color-mix(in srgb,var(--primary) 55%,var(--accent)));color:#fff;
  border-radius:20px;padding:28px 30px;box-shadow:var(--shadow);position:relative;overflow:hidden}
:root[data-theme="dark"] .hero{color:#06121f}
.hero h1{color:inherit;margin-bottom:6px}
.hero p{opacity:.92;max-width:62ch}
.kpi{display:flex;flex-direction:column;gap:2px}
.kpi b{font-size:1.9rem;letter-spacing:-.02em}
.kpi span{color:var(--ink-3);font-size:.85rem}
.ring{--v:0;width:84px;height:84px;border-radius:50%;
  background:conic-gradient(var(--accent) calc(var(--v)*1%),var(--surface-2) 0);display:grid;place-items:center;flex:none}
.ring>b{width:66px;height:66px;border-radius:50%;background:var(--surface);display:grid;place-items:center;font-size:1.05rem}

/* tiles */
.tile{display:flex;flex-direction:column;gap:8px;text-decoration:none;color:inherit;transition:.15s}
.tile:hover{transform:translateY(-2px);border-color:var(--primary-2);text-decoration:none}
.tile h3{margin:0}
.tile .ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:color-mix(in srgb,var(--primary) 12%,transparent);color:var(--primary-2)}

/* lists */
.list{display:flex;flex-direction:column;gap:10px}
.item{display:flex;gap:14px;align-items:flex-start;padding:14px 16px;border:1px solid var(--line);border-radius:12px;
  background:var(--surface);color:inherit;text-decoration:none;transition:.12s}
.item:hover{border-color:var(--primary-2);text-decoration:none;transform:translateX(2px)}
.item .num{flex:none;min-width:38px;height:38px;border-radius:10px;display:grid;place-items:center;font-weight:700;
  background:color-mix(in srgb,var(--primary) 12%,transparent);color:var(--primary-2)}
.item .t{font-weight:600}
.item .meta{font-size:.82rem;color:var(--ink-3);display:flex;gap:8px;flex-wrap:wrap;margin-top:3px}

/* answer content */
.answer{font-size:1rem}
.answer h4.volet{margin:22px 0 8px;padding:8px 12px;border-left:4px solid var(--primary-2);background:var(--surface-2);
  border-radius:0 8px 8px 0;font-size:1rem;color:var(--primary-2)}
.answer ul,.answer ol{padding-left:1.25em;margin:.4em 0}
.answer li{margin:.25em 0}
.answer li>p{margin:0}
.answer strong{color:var(--ink);font-weight:700}
.answer .tbl{overflow:auto;margin:12px 0}
.answer table{border-collapse:collapse;width:100%;font-size:.93rem}
.answer th,.answer td{border:1px solid var(--line);padding:7px 10px;text-align:left;vertical-align:top}
.answer th{background:var(--surface-2)}
.cls{display:inline-block;font-weight:700;font-size:.78rem;border-radius:6px;padding:0 6px;margin:0 2px;
  background:color-mix(in srgb,var(--primary) 14%,transparent);color:var(--primary-2);white-space:nowrap}
.box{border-radius:12px;padding:12px 14px;margin:14px 0;border:1px solid var(--line);border-left:5px solid var(--primary-2);
  background:var(--surface-2)}
.box .box-t{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;font-weight:800;margin-bottom:4px}
.box.pmz{border-left-color:var(--danger)} .box.pmz .box-t{color:var(--danger)}
.box.pmzabs{border-left-color:var(--danger);background:color-mix(in srgb,var(--danger) 12%,var(--surface))}
.box.pmzabs .box-t{color:var(--danger)}
.box.piege{border-left-color:var(--warn)} .box.piege .box-t{color:var(--warn)}
.box.reco{border-left-color:var(--accent)} .box.reco .box-t{color:var(--accent)}
.box.change{border-left-color:var(--info)} .box.change .box-t{color:var(--info)}
.box p{margin:.3em 0}

/* feedback */
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.chip{border-radius:8px;padding:3px 9px;font-size:.84rem;font-weight:600}
.chip.ok{background:color-mix(in srgb,var(--ok) 15%,transparent);color:var(--ok)}
.chip.no{background:color-mix(in srgb,var(--danger) 12%,transparent);color:var(--danger)}
.result{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.opt{display:flex;gap:12px;padding:13px 14px;border:1px solid var(--line);border-radius:12px;margin:8px 0;cursor:pointer;
  background:var(--surface);align-items:flex-start;transition:.12s}
.opt:hover{border-color:var(--primary-2)}
.opt input{margin-top:5px}
.opt.good{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 10%,var(--surface))}
.opt.bad{border-color:var(--danger);background:color-mix(in srgb,var(--danger) 9%,var(--surface))}
.flip{min-height:260px;display:flex;flex-direction:column;justify-content:center}
.timer{font-variant-numeric:tabular-nums;font-weight:800;font-size:1.3rem}
.timer.low{color:var(--danger)}
table.data{width:100%;border-collapse:collapse;font-size:.92rem}
table.data th,table.data td{border-bottom:1px solid var(--line);padding:9px 8px;text-align:left}
.toast{position:fixed;right:20px;bottom:20px;background:var(--ink);color:var(--bg);padding:11px 16px;border-radius:12px;
  box-shadow:var(--shadow);z-index:100;font-weight:600;max-width:360px}
.empty{text-align:center;color:var(--ink-3);padding:36px 12px}
.skeleton{height:84px;border-radius:14px;background:linear-gradient(90deg,var(--surface-2),var(--surface),var(--surface-2));
  background-size:200% 100%;animation:sh 1.2s infinite}
@keyframes sh{to{background-position:-200% 0}}
.kbd{border:1px solid var(--line);border-bottom-width:2px;border-radius:6px;padding:0 6px;font-size:.78rem;background:var(--surface-2)}
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin:16px 0}
.tabs button{border:0;background:none;padding:10px 14px;font-weight:650;color:var(--ink-3);border-bottom:3px solid transparent}
.tabs button.on{color:var(--primary-2);border-color:var(--primary-2)}

@media (min-width:961px){.top .menu-btn{display:none}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media print{.side,.top,.btn{display:none!important}.app{display:block}}

/* login */
.login-wrap{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr}
.login-art{background:linear-gradient(145deg,#0b2b47,#14426b 55%,#0e6b5a);color:#fff;padding:56px;display:flex;
  flex-direction:column;justify-content:space-between}
.login-art h1{font-size:2.3rem;color:#fff;max-width:14ch}
.login-art p{opacity:.88;max-width:46ch}
.login-form{display:grid;place-items:center;padding:32px}
.login-form form{width:min(400px,100%)}
.err{color:var(--danger);font-weight:600;min-height:1.4em}
@media (max-width:860px){.login-wrap{grid-template-columns:1fr}.login-art{padding:28px}}

/* ===================================================================
   Adaptive layouts — html[data-device] = mobile | tablet | desktop
   =================================================================== */
:root{--tabbar-h:0px;--safe-b:env(safe-area-inset-bottom,0px);--safe-t:env(safe-area-inset-top,0px)}
.tabbar{display:none}
.split{display:block}
.actionbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.search-btn{display:none}

/* ---- desktop wide: side-by-side composer / correction */
@media (min-width:1200px){
  html[data-device="desktop"] .split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px;align-items:start}
  html[data-device="desktop"] .split>.col-r{position:sticky;top:76px;max-height:calc(100vh - 96px);overflow:auto}
}

/* ---- tablet: icon rail + split view */
html[data-device="tablet"] .app{grid-template-columns:78px 1fr}
html[data-device="tablet"] .side{padding:14px 8px;align-items:center;overflow-x:hidden}
html[data-device="tablet"] .side .brand{padding:4px 0 12px;justify-content:center}
html[data-device="tablet"] .side .brand>div:last-child,
html[data-device="tablet"] .side .nav-group,
html[data-device="tablet"] .side .side-foot .btn span.lbl,
html[data-device="tablet"] .side .side-foot b{display:none}
html[data-device="tablet"] .nav a{justify-content:center;padding:14px 0;width:56px;font-size:0}
html[data-device="tablet"] .nav a svg{width:24px;height:24px}
html[data-device="tablet"] .side.expanded{position:fixed;z-index:70;width:300px;align-items:stretch;box-shadow:var(--shadow)}
html[data-device="tablet"] .side.expanded .brand{justify-content:flex-start}
html[data-device="tablet"] .side.expanded .brand>div:last-child,
html[data-device="tablet"] .side.expanded .nav-group,
html[data-device="tablet"] .side.expanded .side-foot b{display:block}
html[data-device="tablet"] .side.expanded .nav a{justify-content:flex-start;padding:12px;width:auto;font-size:inherit}
html[data-device="tablet"] .menu-btn{display:inline-flex}
html[data-device="tablet"] .page{padding:22px 20px;max-width:none}
html[data-device="tablet"] .btn{padding:12px 16px;min-height:46px}
html[data-device="tablet"] .btn.sm{min-height:42px}
html[data-device="tablet"] .opt{padding:16px}
html[data-device="tablet"] textarea{font-size:17px}
@media (min-width:900px){
  html[data-device="tablet"] .split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;align-items:start}
  html[data-device="tablet"] .split>.col-r{position:sticky;top:70px;max-height:calc(100vh - 90px);overflow:auto}
}

/* ---- mobile: bottom tab bar, drawer, sticky actions, big targets */
html[data-device="mobile"]{--tabbar-h:64px}
html[data-device="mobile"] body{font-size:16px}
html[data-device="mobile"] .app{display:block}
html[data-device="mobile"] .side{position:fixed;left:0;top:0;bottom:0;width:min(86vw,320px);z-index:80;
  transform:translateX(-102%);transition:transform .22s;padding-top:calc(16px + var(--safe-t))}
html[data-device="mobile"] .side.open{transform:none;box-shadow:0 0 0 100vmax rgba(0,0,0,.45)}
html[data-device="mobile"] .top{padding:calc(8px + var(--safe-t)) 12px 8px;gap:8px}
html[data-device="mobile"] .top .search{display:none}
html[data-device="mobile"] .top .search.open{display:block;position:fixed;inset:0 0 auto 0;z-index:90;max-width:none;
  padding:calc(10px + var(--safe-t)) 12px 10px;background:var(--bg);border-bottom:1px solid var(--line)}
html[data-device="mobile"] .search-btn{display:inline-flex}
html[data-device="mobile"] .menu-btn{display:inline-flex}
html[data-device="mobile"] #themeBtn{display:none}
html[data-device="mobile"] .page{padding:14px 12px calc(var(--tabbar-h) + var(--safe-b) + 90px)}
html[data-device="mobile"] h1{font-size:1.4rem}
html[data-device="mobile"] .hero{padding:20px 18px;border-radius:16px}
html[data-device="mobile"] .grid{gap:12px}
html[data-device="mobile"] .g2,html[data-device="mobile"] .g3{grid-template-columns:1fr}
html[data-device="mobile"] .g4{grid-template-columns:1fr 1fr}
html[data-device="mobile"] .kpi b{font-size:1.5rem}
html[data-device="mobile"] .card{padding:16px;border-radius:14px}
html[data-device="mobile"] .btn{min-height:48px;padding:12px 16px}
html[data-device="mobile"] .btn.sm{min-height:44px}
html[data-device="mobile"] .item{padding:14px 12px}
html[data-device="mobile"] textarea,html[data-device="mobile"] input,html[data-device="mobile"] select{font-size:16px}
html[data-device="mobile"] textarea{min-height:160px}
html[data-device="mobile"] .crumbs{display:none}
html[data-device="mobile"] .opt{padding:16px 14px}
html[data-device="mobile"] .answer table{font-size:.85rem}
html[data-device="mobile"] .toast{left:12px;right:12px;bottom:calc(var(--tabbar-h) + var(--safe-b) + 84px);max-width:none}
html[data-device="mobile"] .tabbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;height:calc(var(--tabbar-h) + var(--safe-b));
  padding-bottom:var(--safe-b);background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(14px);
  border-top:1px solid var(--line)}
.tabbar a,.tabbar button{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  font-size:.68rem;font-weight:650;color:var(--ink-3);background:none;border:0;text-decoration:none;min-width:0}
.tabbar a.on{color:var(--primary-2)}
.tabbar svg{width:23px;height:23px}
html[data-device="mobile"] .actionbar.sticky{position:sticky;bottom:calc(var(--tabbar-h) + var(--safe-b) + 8px);z-index:30;
  background:color-mix(in srgb,var(--surface) 94%,transparent);backdrop-filter:blur(10px);padding:10px;border:1px solid var(--line);
  border-radius:14px;box-shadow:var(--shadow)}
html[data-device="mobile"] .actionbar.sticky .btn{flex:1;justify-content:center}
html[data-device="mobile"] .hide-mobile{display:none!important}
html[data-device="mobile"] .tabs button{padding:12px 10px}

/* orientation helpers */
@media (orientation:landscape) and (max-height:520px){
  html[data-device="mobile"] .tabbar{height:calc(52px + var(--safe-b))}
  html[data-device="mobile"]{--tabbar-h:52px}
}
@media (hover:none){.item:hover,.btn:hover,.tile:hover{transform:none}}

/* sources par réponse */
.sources .src-list{list-style:none;margin:10px 0 0;padding:0;display:grid;gap:8px}
.sources .src-list li{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:8px 10px;border:1px solid var(--line,#d9e0e8);border-radius:10px}
.sources .src-t{flex:1 1 220px;min-width:0;overflow-wrap:anywhere;font-size:.93rem}
.sources .src-k{font-size:.72rem;font-weight:700;letter-spacing:.04em;padding:2px 8px;border-radius:999px;background:#14426b;color:#fff}
.sources .src-k.corpus{background:#0e6b5a}
html[data-device="mobile"] .sources .src-list li .btn{flex:1 1 auto;justify-content:center}
html[data-device="mobile"] .login-art{display:none}
html[data-device="mobile"] .login-wrap{min-height:100dvh}
html[data-device="tablet"] .side:not(.expanded) .side-foot{padding:8px 0;display:flex;flex-direction:column;align-items:center;gap:6px}
html[data-device="tablet"] .side:not(.expanded) .side-foot select,
html[data-device="tablet"] .side:not(.expanded) .side-foot .row:first-child{display:none}
html[data-device="tablet"] .side:not(.expanded) .side-foot .row{flex-direction:column;margin:0!important}
html[data-device="tablet"] .side:not(.expanded) .side-foot .btn{padding:8px;min-height:40px;width:44px;overflow:hidden;font-size:0}
html[data-device="tablet"] .side:not(.expanded) .side-foot .btn svg{width:20px;height:20px}

.chatlog{display:grid;gap:12px}
.bubble{padding:12px 14px;border-radius:14px;max-width:min(100%,860px)}
.bubble.me{justify-self:end;background:var(--primary,#14426b);color:#fff}
.bubble.bot{justify-self:start;background:var(--surface);border:1px solid var(--line);border-left:5px solid var(--accent,#0e6b5a)}

html[data-device="tablet"] .g4{grid-template-columns:repeat(4,minmax(0,1fr))}
html[data-device="tablet"] .side:not(.expanded) .side-foot .btn svg{margin:0}