/* Kéfa AI app : nuit profonde, orbe cyan et violet (même identité que la page de présentation) */
:root{
  color-scheme:dark;
  --void:#05070f; --deep:#0a0f1f; --panel:#0e1426; --glass:rgba(255,255,255,.04);
  --edge:rgba(170,200,255,.14); --text:#e9eefb; --dim:#8f9bb8;
  --cyan:#6ee7f2; --violet:#8b7bff; --gold:#e3c27a; --red:#ff8a8a;
  --display:"Michroma","Eurostile",Arial,sans-serif;
  --body:"Manrope","Segoe UI",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
  --safe-top:env(safe-area-inset-top,0px); --safe-bottom:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;background:var(--void)}
body{color:var(--text);font:400 16px/1.55 var(--body);-webkit-font-smoothing:antialiased;overflow:hidden;
  background:radial-gradient(40rem 30rem at 100% -10%,rgba(139,123,255,.16),transparent 60%),
             radial-gradient(36rem 26rem at -20% 20%,rgba(110,231,242,.08),transparent 60%),var(--void)}
[hidden]{display:none!important}
button,input,textarea{font:inherit;color:inherit}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.dim{color:var(--dim)}
.err{color:var(--red);min-height:1.4em;margin:.5rem 0 0;font-size:.92rem}
a{color:var(--cyan)}

.screen{height:100%;display:flex;flex-direction:column}
.brand{font-family:var(--display);font-weight:400;letter-spacing:.14em;margin:0;font-size:1.5rem}
.brand span{color:var(--cyan)}
.brand.small{font-size:.86rem}

.orb{width:34px;height:34px;border-radius:50%;flex:none;
  background:radial-gradient(circle at 35% 30%,#fff 0 6%,var(--cyan) 22%,var(--violet) 60%,#1b1840 100%);
  box-shadow:0 0 18px rgba(110,231,242,.5)}
.orb.big{width:84px;height:84px;margin:0 auto 1.2rem;box-shadow:0 0 50px rgba(110,231,242,.45)}
.orb.busy{animation:pulse 1.6s ease-in-out infinite}
.orb.listen{animation:pulse .9s ease-in-out infinite;box-shadow:0 0 26px rgba(255,138,138,.7)}
@keyframes pulse{50%{transform:scale(1.12);box-shadow:0 0 30px rgba(139,123,255,.8)}}
@media (prefers-reduced-motion:reduce){.orb.busy,.orb.listen{animation:none}}

.btn{border:0;border-radius:999px;padding:.8rem 1.4rem;font-weight:600;cursor:pointer;color:#05070f;
  background:linear-gradient(100deg,var(--cyan),#a5b4ff);box-shadow:0 10px 30px -12px rgba(110,231,242,.6)}
.btn.small,.ghost.small{padding:.45rem .9rem;font-size:.88rem}
.ghost{border:1px solid var(--edge);background:var(--glass);border-radius:999px;padding:.7rem 1.2rem;cursor:pointer;font-weight:600}
.btn:disabled{opacity:.5}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

/* connexion */
#login{align-items:center;justify-content:center;padding:24px 16px}
.login-box{width:100%;max-width:360px;text-align:center}
.login-box .dim{margin:.6rem 0 1.8rem}
.login-box input{width:100%;padding:.9rem 1rem;border-radius:14px;border:1px solid var(--edge);background:var(--panel);margin-bottom:.8rem;font-size:16px}
.login-box .btn{width:100%}

/* en-tête */
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;position:relative;
  padding:calc(var(--safe-top) + 10px) 16px 10px;border-bottom:1px solid var(--edge);background:rgba(5,7,15,.75);backdrop-filter:blur(10px)}
.who{display:flex;align-items:center;gap:12px;min-width:0}
.status{font-family:var(--mono);font-size:.72rem;color:var(--dim);letter-spacing:.04em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:60vw}
.status.busy{color:var(--cyan)}
.icon-btn{width:42px;height:42px;flex:none;display:grid;place-items:center;border-radius:50%;border:0;background:transparent;cursor:pointer;color:var(--text)}
.icon-btn svg{width:22px;height:22px;fill:currentColor}
.icon-btn:active{background:var(--glass)}
.menu{position:absolute;right:12px;top:calc(100% + 4px);z-index:20;background:var(--panel);border:1px solid var(--edge);border-radius:14px;
  padding:6px;min-width:240px;box-shadow:0 20px 50px rgba(0,0,0,.5)}
.menu button{display:block;width:100%;text-align:left;padding:.75rem .9rem;border:0;background:none;border-radius:10px;cursor:pointer}
.menu button:hover,.menu button:focus-visible{background:var(--glass)}
.banner{margin:8px 16px 0;padding:.6rem .9rem;border-radius:12px;border:1px solid rgba(227,194,122,.35);color:var(--gold);font-size:.9rem;background:rgba(227,194,122,.06)}

/* fil */
.thread{flex:1;overflow-y:auto;padding:16px 16px 8px;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}
#messages{display:flex;flex-direction:column;gap:12px;max-width:760px;margin:0 auto}
#older{display:block;margin:0 auto 12px}
.msg{max-width:88%;padding:.7rem .95rem;border-radius:18px;overflow-wrap:anywhere}
.msg.user{align-self:flex-end;background:linear-gradient(135deg,rgba(110,231,242,.22),rgba(139,123,255,.22));border:1px solid rgba(110,231,242,.25);border-bottom-right-radius:6px}
.msg.kefa{align-self:flex-start;background:var(--panel);border:1px solid var(--edge);border-bottom-left-radius:6px}
.msg.systeme{align-self:center;font-family:var(--mono);font-size:.72rem;color:var(--dim);letter-spacing:.08em;text-transform:uppercase;padding:.2rem}
.msg .txt p{margin:0 0 .55em}.msg .txt p:last-child{margin:0}
.msg .txt ul{margin:.2em 0 .55em;padding-left:1.2em}
.msg .meta{font-family:var(--mono);font-size:.68rem;color:var(--dim);margin-top:.35rem}
.msg.user .meta{text-align:right}
.msg.err{border-color:rgba(255,138,138,.4)}
.msg.err .txt{color:var(--red)}
.working{display:flex;align-items:center;gap:10px;color:var(--dim);font-size:.92rem}
.working .orb{width:18px;height:18px}
.working button{margin-left:auto}
.mic-tag{font-family:var(--mono);font-size:.7rem;color:var(--cyan);margin-bottom:.2rem}

.files{display:flex;flex-direction:column;gap:6px;margin-top:.6rem}
.file{display:flex;align-items:center;gap:10px;padding:.55rem .7rem;border-radius:12px;background:var(--glass);border:1px solid var(--edge);text-decoration:none;color:var(--text)}
.file .ext{font-family:var(--mono);font-size:.68rem;padding:.3rem .4rem;border-radius:6px;background:rgba(110,231,242,.12);color:var(--cyan);flex:none}
.file .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.92rem}
.file .sz{font-size:.75rem;color:var(--dim);flex:none}
.thumb{max-width:100%;max-height:260px;border-radius:12px;display:block;margin-top:.5rem}
audio.voice{width:100%;margin-top:.6rem;height:40px}

.card{margin-top:.7rem;padding:.8rem .9rem;border-radius:14px;border:1px solid var(--edge);background:rgba(255,255,255,.03)}
.card h3{margin:0 0 .4rem;font-size:.95rem;font-weight:700}
.card.result{border-color:rgba(110,231,242,.35)}.card.warning{border-color:rgba(227,194,122,.45)}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:8px;margin:.3rem 0 .6rem}
.kpi{padding:.55rem .65rem;border-radius:10px;background:var(--glass)}
.kpi .l{font-size:.72rem;color:var(--dim)}.kpi .v{font-weight:700;font-size:1.05rem}
.kpi .d{font-size:.72rem;color:var(--cyan)}.kpi .d.neg{color:var(--red)}
.bars{display:flex;flex-direction:column;gap:5px;margin:.4rem 0 .6rem}
.bar{display:grid;grid-template-columns:minmax(60px,30%) 1fr auto;gap:8px;align-items:center;font-size:.8rem}
.bar .t{height:10px;border-radius:5px;background:linear-gradient(90deg,var(--cyan),var(--violet))}
.bar .lab{color:var(--dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tbl{overflow-x:auto;margin-top:.3rem}
.tbl table{border-collapse:collapse;font-size:.82rem;width:100%}
.tbl th,.tbl td{padding:.35rem .5rem;border-bottom:1px solid var(--edge);text-align:left;white-space:nowrap}
.tbl th{color:var(--dim);font-weight:600}

.empty{text-align:center;padding:12vh 8px 0;color:var(--dim)}
.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:1.2rem}
.chip{border:1px solid var(--edge);background:var(--glass);border-radius:999px;padding:.5rem .9rem;cursor:pointer;font-size:.9rem;color:var(--text)}

/* saisie */
.composer{padding:8px 10px calc(var(--safe-bottom) + 8px);border-top:1px solid var(--edge);background:rgba(5,7,15,.85);backdrop-filter:blur(10px)}
.row{display:flex;align-items:flex-end;gap:4px;max-width:760px;margin:0 auto}
#input{flex:1;min-width:0;resize:none;max-height:140px;padding:.65rem .95rem;border-radius:20px;border:1px solid var(--edge);background:var(--panel);font-size:16px;line-height:1.4}
.send{background:linear-gradient(100deg,var(--cyan),#a5b4ff);color:#05070f}
.send:disabled{opacity:.4}
.mic.on{background:rgba(255,138,138,.18);color:var(--red)}
.attach-list{display:flex;flex-wrap:wrap;gap:6px;max-width:760px;margin:0 auto}
.attach-list:not(:empty){margin-bottom:8px}
.att{display:flex;align-items:center;gap:6px;padding:.3rem .4rem .3rem .7rem;border-radius:999px;background:var(--panel);border:1px solid var(--edge);font-size:.82rem;max-width:100%}
.att .nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:46vw}
.att button{border:0;background:none;cursor:pointer;color:var(--dim);font-size:1rem;padding:0 .3rem}
.att.up{opacity:.6}
.rec-bar{display:flex;align-items:center;gap:10px;max-width:760px;margin:0 auto 8px;padding:.4rem .4rem .4rem .8rem;border-radius:999px;border:1px solid rgba(255,138,138,.35);background:rgba(255,138,138,.06)}
.rec-bar .dot{width:10px;height:10px;border-radius:50%;background:var(--red);animation:blink 1s infinite}
.rec-bar .dim{flex:1;font-size:.88rem}
#rec-time{font-family:var(--mono);font-size:.85rem}
@keyframes blink{50%{opacity:.3}}

.sheet{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:flex-end;z-index:30}
.sheet-box{width:100%;background:var(--panel);border-top:1px solid var(--edge);border-radius:22px 22px 0 0;padding:22px 20px calc(var(--safe-bottom) + 20px)}
.sheet-box h2{font-family:var(--display);font-weight:400;font-size:1rem;letter-spacing:.06em;margin:0 0 .8rem}
.sheet-box ol{padding-left:1.2em;margin:0 0 1.2rem}
.sheet-box li{margin-bottom:.5rem}
.sheet-box .btn{width:100%}
.card.confirm{border-color:rgba(227,194,122,.55);background:rgba(227,194,122,.06)}.card.confirm h3{color:var(--gold)}
.card.confirm .btn{margin-top:.6rem}.card.confirm .done{margin-top:.5rem;font-family:var(--mono);font-size:.78rem;color:var(--cyan)}