/* ES Assistant — design system (clair/sombre, mobile d'abord) */
:root{
  --bg:#f4f5f7;--surface:#fff;--surface2:#f9fafb;--fg:#161b26;--mut:#5b6678;--faint:#8b95a5;--line:#e4e7ec;
  --ac:#d9480f;--ac-h:#bf3f0b;--ac-soft:#fff1e8;--ac-fg:#fff;
  --ok:#0f7b3f;--ok-soft:#e6f5ec;--warn:#9a5b00;--warn-soft:#fff4dc;--err:#b42318;--err-soft:#fdecea;--info:#175cd3;--info-soft:#e8f0fe;
  --r:14px;--r-s:10px;--sh:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.08);--sh-l:0 8px 24px rgba(16,24,40,.12);
  --font:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
@media(prefers-color-scheme:dark){:root{
  --bg:#0f1218;--surface:#171b24;--surface2:#1c212c;--fg:#eceff4;--mut:#a3adbd;--faint:#7c8799;--line:#2a313e;
  --ac:#ff7a3d;--ac-h:#ff9158;--ac-soft:#2b1b12;--ac-fg:#1a0d05;
  --ok:#4ade80;--ok-soft:#10261a;--warn:#fbbf24;--warn-soft:#2a2210;--err:#f87171;--err-soft:#2c1514;--info:#7ab0ff;--info-soft:#14223a;
  --sh:0 1px 2px rgba(0,0,0,.4);--sh-l:0 8px 24px rgba(0,0,0,.5)}}
*{box-sizing:border-box}html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.55 var(--font);-webkit-font-smoothing:antialiased}
button,input,textarea,select{font:inherit;color:inherit}a{color:var(--ac)}a.btn{text-decoration:none}
:focus-visible{outline:2px solid var(--ac);outline-offset:2px}
.hide{display:none!important}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
svg.i{width:18px;height:18px;flex:none;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* boutons / champs */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--ac);color:var(--ac-fg);border:1px solid transparent;border-radius:var(--r-s);padding:9px 16px;font-weight:600;cursor:pointer;transition:background .15s,transform .05s}
.btn:hover{background:var(--ac-h)}.btn:active{transform:translateY(1px)}.btn[disabled]{opacity:.55;cursor:default}
.btn.sec{background:var(--surface);color:var(--fg);border-color:var(--line)}.btn.sec:hover{background:var(--surface2)}
.btn.ghost{background:transparent;color:var(--mut);border-color:transparent}.btn.ghost:hover{background:var(--surface2);color:var(--fg)}
.btn.sm{padding:6px 11px;font-size:13px}.btn.danger{background:var(--surface);color:var(--err);border-color:var(--line)}
label{display:block;font-size:13px;font-weight:600;color:var(--mut);margin:14px 0 6px}
input,textarea,select{width:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-s);padding:10px 12px;transition:border-color .15s,box-shadow .15s}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--ac);box-shadow:0 0 0 3px var(--ac-soft)}
textarea{min-height:96px;resize:vertical;line-height:1.5}::placeholder{color:var(--faint)}
.help{font-size:13px;color:var(--mut);margin:6px 0 0}

/* cartes / puces */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;box-shadow:var(--sh)}
.stack>*+*{margin-top:14px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.grow{flex:1 1 0;min-width:0}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:3px 10px;border-radius:99px;background:var(--surface2);color:var(--mut);border:1px solid var(--line)}
.chip.ok{background:var(--ok-soft);color:var(--ok);border-color:transparent}.chip.warn{background:var(--warn-soft);color:var(--warn);border-color:transparent}
.chip.err{background:var(--err-soft);color:var(--err);border-color:transparent}.chip.info{background:var(--info-soft);color:var(--info);border-color:transparent}
.dot{width:8px;height:8px;border-radius:50%;background:currentColor}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.01em}
.logo{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#ff8a4c,#d9480f);color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px;box-shadow:var(--sh)}

/* ====== Chat ====== */
.app{display:flex;flex-direction:column;height:100dvh}
.bar{display:flex;align-items:center;gap:12px;padding:10px 20px;background:var(--surface);border-bottom:1px solid var(--line)}
.bar .sp{flex:1}.bar .who{font-size:13px;color:var(--mut)}
.thread{flex:1;overflow:auto;scroll-behavior:smooth}
.col{max-width:780px;margin:0 auto;padding:24px 20px 8px;display:flex;flex-direction:column;gap:18px}
.msg{display:flex;gap:12px;align-items:flex-start;animation:rise .25s ease both}
.msg.user{flex-direction:row-reverse}
.av{width:32px;height:32px;border-radius:10px;flex:none;display:grid;place-items:center;font-size:12px;font-weight:800;background:linear-gradient(135deg,#ff8a4c,#d9480f);color:#fff}
.msg.user .av{display:none}
.bub{max-width:min(640px,100%);padding:12px 16px;border-radius:16px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh);overflow-wrap:anywhere}
.msg.user .bub{background:var(--ac);color:var(--ac-fg);border-color:transparent;border-bottom-right-radius:5px}
.msg:not(.user) .bub{border-top-left-radius:5px}
.bub p{margin:0}.bub p+p,.bub p+ol,.bub p+ul,.bub ol+p,.bub ul+p{margin-top:.7em}.bub ol,.bub ul{margin:0;padding-left:1.3em}.bub li+li{margin-top:.25em}
.bub code{background:var(--surface2);border:1px solid var(--line);border-radius:6px;padding:0 5px;font-size:.9em}
.srcs{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.typing{display:inline-flex;gap:4px;padding:4px 2px}.typing i{width:7px;height:7px;border-radius:50%;background:var(--faint);animation:bounce 1.1s infinite}
.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}
.hero{text-align:center;padding:9vh 0 2vh}.hero .logo{width:56px;height:56px;border-radius:16px;font-size:20px;margin:0 auto 18px}
.hero h1{font-size:26px;letter-spacing:-.02em;margin:0 0 8px}.hero p{color:var(--mut);margin:0 auto;max-width:480px}
.sugg{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:26px}
.sugg button{background:var(--surface);border:1px solid var(--line);border-radius:99px;padding:9px 16px;cursor:pointer;color:var(--fg);box-shadow:var(--sh);transition:border-color .15s,transform .1s}
.sugg button:hover{border-color:var(--ac);transform:translateY(-1px)}
.dock{padding:10px 20px 14px;background:linear-gradient(to top,var(--bg) 70%,transparent)}
.composer{max-width:780px;margin:0 auto;display:flex;align-items:flex-end;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:8px 8px 8px 16px;box-shadow:var(--sh-l);transition:border-color .15s}
.composer:focus-within{border-color:var(--ac)}
.composer textarea{border:0;box-shadow:none!important;background:transparent;min-height:26px;max-height:180px;padding:6px 0;resize:none;flex:1}
.send{width:40px;height:40px;border-radius:12px;padding:0}
.hint{max-width:780px;margin:8px auto 0;font-size:12px;color:var(--faint);text-align:center}
@keyframes rise{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@keyframes bounce{0%,60%,100%{transform:none}30%{transform:translateY(-5px)}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important}}

/* ====== Console admin ====== */
.shell{display:grid;grid-template-columns:248px minmax(0,1fr);min-height:100dvh}
.content{min-width:0}
.side{background:var(--surface);border-right:1px solid var(--line);padding:18px 12px;display:flex;flex-direction:column;gap:4px;position:sticky;top:0;height:100dvh}
.side .brand{padding:4px 10px 18px}.side nav{display:flex;flex-direction:column;gap:2px}
.nav{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border:0;border-radius:var(--r-s);background:none;color:var(--mut);cursor:pointer;font-weight:600;text-align:left}
.nav:hover{background:var(--surface2);color:var(--fg)}.nav.on{background:var(--ac-soft);color:var(--ac)}
.nav .badge{margin-left:auto;background:var(--ac);color:var(--ac-fg);border-radius:99px;font-size:12px;padding:0 8px;min-width:22px;text-align:center}
.side .foot{margin-top:auto;padding:10px;border-top:1px solid var(--line);font-size:13px;color:var(--mut)}
.content{padding:28px clamp(16px,4vw,44px) 60px;max-width:1040px;width:100%}
.pagehead{margin-bottom:22px}.pagehead h1{font-size:24px;letter-spacing:-.02em;margin:0}.pagehead p{margin:4px 0 0;color:var(--mut)}
.empty{text-align:center;padding:48px 20px;color:var(--mut)}.empty svg{width:36px;height:36px;margin-bottom:8px;color:var(--faint)}
.tk h3{margin:10px 0 0;font-size:16px;font-weight:600}.tk .meta{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.answered{margin-top:12px;padding:12px 14px;border-radius:var(--r-s);background:var(--ok-soft);color:var(--fg);border-left:3px solid var(--ok)}
.split{display:grid;grid-template-columns:300px 1fr;gap:18px;align-items:start}
.plist{display:flex;flex-direction:column;gap:6px;max-height:70vh;overflow:auto}
.pitem{text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-s);padding:10px 12px;cursor:pointer}
.pitem:hover{border-color:var(--ac)}.pitem.on{border-color:var(--ac);background:var(--ac-soft)}
.pitem b{display:block;font-size:14px}.pitem span{font-size:12px;color:var(--mut)}
.chatbox{display:flex;flex-direction:column;height:70vh;padding:0;overflow:hidden}.chatbox .thread{padding:0}.chatbox .col{max-width:none}.chatbox .dock{padding:10px 14px 12px}
.codebox{font:700 28px/1 ui-monospace,Menlo,monospace;letter-spacing:.14em;background:var(--surface2);border:1px dashed var(--line);border-radius:var(--r-s);padding:14px 18px;text-align:center}
.steps{counter-reset:s;list-style:none;padding:0;margin:12px 0 0}.steps li{counter-increment:s;position:relative;padding:0 0 12px 34px}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:24px;height:24px;border-radius:50%;background:var(--ac-soft);color:var(--ac);font-weight:700;font-size:13px;display:grid;place-items:center}
.toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);background:var(--fg);color:var(--bg);padding:10px 18px;border-radius:99px;box-shadow:var(--sh-l);z-index:9;animation:rise .2s ease}
@media(max-width:820px){
  .shell{grid-template-columns:minmax(0,1fr)}.side .foot div,.desk{display:none}.side{position:static;height:auto;flex-direction:row;align-items:center;flex-wrap:wrap;padding:10px 12px;border-right:0;border-bottom:1px solid var(--line)}
  .side .brand{padding:0 8px 0 0}.side nav{flex-direction:row;overflow:auto;flex:1 1 100%;min-width:0;order:3;padding-top:6px}.nav{width:auto;white-space:nowrap}.side .foot{margin:0 0 0 auto;border:0;padding:0}
  .split{grid-template-columns:1fr}.plist{max-height:none}.content{padding-top:20px}.hero{padding-top:5vh}.hero h1{font-size:22px}
}