:root{
  --bg:#efebe4; --panel:#ffffff; --panel-2:#f7f5f1; --ink:#1d1b22; --muted:#6f6a78; --line:#e6e1d9;
  --accent:#5b3df5; --accent-ink:#ffffff; --accent-soft:#ece8ff; --coral:#ff6b4a; --ok:#12a594;
  --bubble-me:#5b3df5; --bubble-me-ink:#fff; --bubble:#ffffff; --bubble-ink:#1d1b22;
  --chat-bg:#f4f1ec; --dot:rgba(91,61,245,.07); --shadow:0 1px 2px rgba(20,16,40,.06),0 8px 30px rgba(20,16,40,.08);
  --radius:18px;
}
[data-theme="dark"]{
  --bg:#0d0c12; --panel:#17161e; --panel-2:#1e1c27; --ink:#ece9f3; --muted:#9a95a6; --line:#2a2834;
  --accent:#8a74ff; --accent-ink:#fff; --accent-soft:#2a2445; --coral:#ff7d61; --ok:#2fc6b0;
  --bubble-me:#6a4ff7; --bubble-me-ink:#fff; --bubble:#24222d; --bubble-ink:#ece9f3;
  --chat-bg:#121119; --dot:rgba(138,116,255,.08); --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{font-family:"Plus Jakarta Sans",system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;overflow:hidden}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit;color:inherit}
[hidden]{display:none!important}
.icon{width:22px;height:22px;display:block}
.ibtn{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:var(--muted);transition:background .15s,color .15s}
.ibtn:hover{background:var(--panel-2);color:var(--ink)}
.ibtn:focus-visible,.btn:focus-visible,.row:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* layout */
.app{display:grid;grid-template-columns:380px 1fr;height:100vh;height:100dvh;max-width:1600px;margin:0 auto;background:var(--panel);box-shadow:var(--shadow)}
.side{display:flex;flex-direction:column;border-right:1px solid var(--line);min-width:0;background:var(--panel)}
.side-h{display:flex;align-items:center;gap:10px;padding:14px 14px 10px}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:20px;letter-spacing:-.02em;flex:1;min-width:0}
.brand svg{width:28px;height:28px}
.search{padding:4px 14px 10px}
.search input{width:100%;border:1px solid transparent;background:var(--panel-2);border-radius:12px;padding:10px 14px 10px 38px;outline:none;font-size:14px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238a8595' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.5-3.5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-size:18px;background-position:12px center}
.search input:focus{border-color:var(--accent);background-color:var(--panel)}
.tabs{display:flex;gap:6px;padding:0 14px 8px}
.tab{padding:6px 12px;border-radius:999px;font-size:13px;font-weight:600;color:var(--muted);background:var(--panel-2)}
.tab.on{background:var(--accent-soft);color:var(--accent)}
.list{flex:1;overflow-y:auto;padding:0 8px 8px}
.row{display:flex;align-items:center;gap:12px;padding:10px;border-radius:14px;cursor:pointer;width:100%;text-align:left}
.row:hover{background:var(--panel-2)}
.row.on{background:var(--accent-soft)}
.row .mid{flex:1;min-width:0}
.row .top{display:flex;align-items:baseline;gap:8px}
.row .name{font-weight:700;font-size:15px;flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row .time{font-size:12px;color:var(--muted);flex:none}
.row .time.new{color:var(--coral);font-weight:700}
.row .bot{display:flex;align-items:center;gap:6px;margin-top:2px}
.row .prev{font-size:13.5px;color:var(--muted);flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row .prev.typing{color:var(--ok);font-weight:600}
.badge{min-width:20px;height:20px;border-radius:999px;background:var(--coral);color:#fff;font-size:11px;font-weight:800;display:grid;place-items:center;padding:0 6px}
.side-f{padding:10px 16px 14px;font-size:12px;color:var(--muted);border-top:1px solid var(--line);line-height:1.45}

.av{position:relative;flex:none;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:700;user-select:none}
.av.s40{width:40px;height:40px;font-size:15px}.av.s48{width:48px;height:48px;font-size:17px}.av.s36{width:36px;height:36px;font-size:14px}.av.s64{width:64px;height:64px;font-size:24px}
.av .on-dot{position:absolute;right:0;bottom:0;width:13px;height:13px;border-radius:50%;background:var(--ok);border:2.5px solid var(--panel)}
.av svg{width:55%;height:55%}

/* conversation */
.conv{position:relative;display:flex;flex-direction:column;min-width:0;background:var(--chat-bg);
  background-image:radial-gradient(var(--dot) 1.2px,transparent 1.3px);background-size:22px 22px}
.empty{flex:1;display:grid;place-items:center;text-align:center;padding:30px}
.empty .card{max-width:380px}
.empty h2{font-size:26px;letter-spacing:-.02em;margin:18px 0 8px}
.empty p{color:var(--muted);line-height:1.55;margin:0 0 18px}
.empty .big-logo{width:84px;height:84px;margin:0 auto}
.chat{display:flex;flex-direction:column;height:100%;min-height:0}
.chat-h{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--panel);border-bottom:1px solid var(--line)}
.chat-h .who{flex:1;min-width:0;cursor:pointer;display:flex;align-items:center;gap:12px;padding:4px;border-radius:12px}
.chat-h .who:hover{background:var(--panel-2)}
.chat-h .t{font-weight:700;font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-h .st{font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-h .st.live{color:var(--ok);font-weight:600}
.back{display:none}
.msgs{flex:1;overflow-y:auto;padding:16px 6% 10px;display:flex;flex-direction:column}
.more{align-self:center;margin:4px 0 12px;font-size:13px;font-weight:600;color:var(--accent);background:var(--panel);padding:7px 14px;border-radius:999px;box-shadow:var(--shadow)}
.day{align-self:center;margin:14px 0 10px;font-size:12px;font-weight:700;color:var(--muted);background:var(--panel);padding:5px 12px;border-radius:999px;box-shadow:0 1px 2px rgba(0,0,0,.05);text-transform:capitalize}
.sys{align-self:center;margin:8px 0;font-size:12.5px;color:var(--muted);text-align:center;max-width:80%}
.m{display:flex;flex-direction:column;max-width:min(72%,560px);margin-top:2px}
.m.first{margin-top:10px}
.m.me{align-self:flex-end;align-items:flex-end}
.m .from{font-size:12px;font-weight:700;margin:0 12px 3px}
.bub{position:relative;padding:8px 12px 6px;border-radius:var(--radius);background:var(--bubble);color:var(--bubble-ink);box-shadow:0 1px 1.5px rgba(20,16,40,.08);line-height:1.42;font-size:14.8px;white-space:pre-wrap;word-wrap:break-word;overflow-wrap:anywhere}
.m.me .bub{background:var(--bubble-me);color:var(--bubble-me-ink)}
.m.first:not(.me) .bub{border-top-left-radius:6px}
.m.first.me .bub{border-top-right-radius:6px}
.bub a{color:inherit;text-decoration:underline;text-underline-offset:2px}
.bub .meta{float:right;display:inline-flex;align-items:center;gap:3px;margin:6px 0 -2px 10px;font-size:11px;opacity:.7;white-space:nowrap}
.m.me .bub .meta{opacity:.85}
.bub .meta svg{width:16px;height:16px}
.bub .meta .read{color:#9ff0e3}
[data-theme="light"] .m.me .bub .meta .read,:root:not([data-theme]) .m.me .bub .meta .read{color:#b7f5ea}
.bub.big{background:transparent!important;box-shadow:none;font-size:40px;line-height:1.1;padding:2px 4px;color:var(--ink)!important}
.bub.big .meta{color:var(--muted);font-size:11px}
.bub.failed{outline:2px solid var(--coral)}
.retry{font-size:12px;color:var(--coral);font-weight:700;margin:3px 6px 0}
.typing-row{align-self:flex-start;margin-top:10px}
.typing-row .bub{display:flex;gap:4px;padding:12px 14px}
.typing-row i{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:blink 1.2s infinite}
.typing-row i:nth-child(2){animation-delay:.2s}.typing-row i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,60%,100%{opacity:.25;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}

.composer{display:flex;align-items:flex-end;gap:8px;padding:10px 14px 14px;background:transparent;position:relative}
.composer .box{flex:1;display:flex;align-items:flex-end;background:var(--panel);border-radius:22px;padding:4px 6px;box-shadow:var(--shadow);min-width:0}
.composer textarea{flex:1;min-height:44px;border:0;outline:none;background:transparent;resize:none;padding:10px 6px;max-height:160px;line-height:1.4;font-size:15px;min-width:0}
.send{width:48px;height:48px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;flex:none;box-shadow:0 6px 18px rgba(91,61,245,.35);transition:transform .12s,opacity .15s}
.send:active{transform:scale(.94)}
.send:disabled{opacity:.45;box-shadow:none;cursor:default}
.emoji-panel{position:absolute;left:14px;bottom:72px;background:var(--panel);border-radius:16px;box-shadow:var(--shadow);padding:10px;display:grid;grid-template-columns:repeat(8,36px);gap:2px;z-index:5;border:1px solid var(--line)}
.emoji-panel button{width:36px;height:36px;border-radius:8px;font-size:21px}
.emoji-panel button:hover{background:var(--panel-2)}
.ro-note{text-align:center;font-size:13px;color:var(--muted);padding:14px}

/* modal */
.overlay{position:fixed;inset:0;background:rgba(12,10,20,.45);display:grid;place-items:center;z-index:20;padding:16px;animation:fade .15s}
@keyframes fade{from{opacity:0}}
.modal{background:var(--panel);border-radius:20px;width:min(440px,100%);max-height:min(640px,90vh);display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,.3);overflow:hidden}
.modal-h{display:flex;align-items:center;gap:8px;padding:16px 16px 8px 20px}
.modal-h h3{flex:1;margin:0;font-size:18px}
.modal-b{padding:6px 20px 12px;overflow-y:auto;flex:1}
.modal-f{padding:12px 20px 18px;display:flex;gap:10px;justify-content:flex-end;border-top:1px solid var(--line)}
.field{display:block;margin:8px 0 14px}
.field span{display:block;font-size:12.5px;font-weight:700;color:var(--muted);margin-bottom:6px}
.field input{width:100%;padding:11px 14px;border-radius:12px;border:1px solid var(--line);background:var(--panel-2);outline:none;font-size:15px}
.field input:focus{border-color:var(--accent);background:var(--panel)}
.btn{padding:10px 18px;border-radius:12px;font-weight:700;font-size:14px;background:var(--panel-2)}
.btn.primary{background:var(--accent);color:var(--accent-ink)}
.btn.primary:disabled{opacity:.45;cursor:default}
.btn.danger{color:var(--coral)}
.pick{display:flex;align-items:center;gap:12px;padding:8px;border-radius:12px;cursor:pointer}
.pick:hover{background:var(--panel-2)}
.pick input{width:18px;height:18px;accent-color:var(--accent)}
.pick .nm{flex:1;font-weight:600}
.pick .sub{font-size:12px;color:var(--muted);font-weight:500}
.hint{font-size:13px;color:var(--muted);line-height:1.5;background:var(--panel-2);padding:12px 14px;border-radius:12px;margin:8px 0}
.seg{display:flex;background:var(--panel-2);border-radius:12px;padding:4px;gap:4px}
.seg button{flex:1;padding:8px;border-radius:9px;font-weight:600;font-size:13.5px;color:var(--muted)}
.seg button.on{background:var(--panel);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.08)}

/* full screens */
.screen{position:fixed;inset:0;background:var(--bg);display:grid;place-items:center;z-index:30;padding:20px}
.screen .card{background:var(--panel);border-radius:24px;padding:34px 30px;width:min(420px,100%);text-align:center;box-shadow:var(--shadow)}
.screen h1{margin:16px 0 6px;font-size:28px;letter-spacing:-.03em}
.screen p{color:var(--muted);line-height:1.55;margin:0 0 18px}
.screen .field{text-align:left}
.spin{width:28px;height:28px;border-radius:50%;border:3px solid var(--accent-soft);border-top-color:var(--accent);animation:spin .8s linear infinite;margin:18px auto 0}
@keyframes spin{to{transform:rotate(360deg)}}
.callcard{display:flex;align-items:center;gap:12px;padding:10px 12px;min-width:250px}
.callcard .ci{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);flex:none}
.m.me .callcard .ci{background:rgba(255,255,255,.2);color:#fff}
.callcard .ci svg{width:22px;height:22px}
.callcard .ct{flex:1;min-width:0;white-space:normal}
.callcard .ct b{display:block;font-size:14.5px}
.callcard .ct small{font-size:12px;opacity:.75}
.join{padding:8px 14px;border-radius:999px;font-weight:700;font-size:13px;text-decoration:none!important;background:var(--accent);color:#fff!important;white-space:nowrap}
.m.me .join{background:#fff;color:var(--accent)!important}
.ring{position:fixed;top:16px;left:50%;transform:translateX(-50%);z-index:35;background:var(--panel);border-radius:22px;box-shadow:0 20px 60px rgba(0,0,0,.3);padding:14px 16px;display:flex;align-items:center;gap:14px;width:min(440px,calc(100vw - 24px));border:1px solid var(--line);animation:drop .3s}
@keyframes drop{from{transform:translate(-50%,-30px);opacity:0}}
.ring .who2{flex:1;min-width:0}
.ring .who2 b{display:block;font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ring .who2 span{font-size:13px;color:var(--ok);font-weight:600}
.ring .av{animation:pulse 1.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(18,165,148,.5)}70%{box-shadow:0 0 0 14px rgba(18,165,148,0)}100%{box-shadow:0 0 0 0 rgba(18,165,148,0)}}
.rbtn{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;color:#fff;flex:none;text-decoration:none}
.rbtn svg{width:22px;height:22px}
.rbtn.no{background:#e5484d}.rbtn.yes{background:#12a594}
.callbtn-big{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:14px;border-radius:14px;background:var(--accent);color:#fff;font-weight:800;text-decoration:none;font-size:15px}
.callbtn-big svg{width:22px;height:22px}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:var(--panel);padding:11px 18px;border-radius:12px;font-size:14px;font-weight:600;opacity:0;pointer-events:none;transition:.2s;z-index:40;max-width:90vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media (max-width:760px){
  .app{grid-template-columns:1fr;box-shadow:none}
  .conv{display:none}
  .app.in-chat .side{display:none}
  .app.in-chat .conv{display:flex}
  .back{display:grid}
  .msgs{padding:12px 10px 8px}
  .m{max-width:84%}
  .emoji-panel{grid-template-columns:repeat(7,36px)}
}

/* ---------- version autonome ---------- */
body{padding:env(safe-area-inset-top) env(safe-area-inset-right) 0 env(safe-area-inset-left)}
.app{height:calc(100dvh - env(safe-area-inset-top))}
.composer{padding-bottom:calc(14px + env(safe-area-inset-bottom))}
.logo svg{width:28px;height:28px;display:block}
.big-logo svg{width:100%;height:100%}
.me-btn{padding:0}
.who-txt{min-width:0}
.callcard .ct small.miss{color:var(--coral);opacity:1;font-weight:700}
.m.me .callcard .ct small.miss{color:#ffd9d0}

/* auth */
.auth-tabs{display:flex;background:var(--panel-2);border-radius:12px;padding:4px;gap:4px;margin:4px 0 14px}
.auth-tabs button{flex:1;padding:9px;border-radius:9px;font-weight:700;font-size:14px;color:var(--muted)}
.auth-tabs button.on{background:var(--panel);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.08)}
.gbtn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:12px;border-radius:12px;border:1px solid var(--line);background:var(--panel);font-weight:700;font-size:14.5px}
.gbtn:hover{background:var(--panel-2)}
.or{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12.5px;margin:16px 0 6px}
.or::before,.or::after{content:"";flex:1;height:1px;background:var(--line)}
.err{color:var(--coral);font-size:13px;font-weight:600;min-height:18px;margin:-4px 0 10px;text-align:left}
.link{color:var(--accent);font-weight:600;font-size:13px;margin-top:12px;display:inline-block}

/* écran d'appel */
.call{position:fixed;inset:0;z-index:50;background:radial-gradient(120% 90% at 50% 0%,#3a2a8f 0%,#14111f 60%);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:space-between;overflow:hidden}
#remoteV{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#000}
.call.audio #remoteV,.call.waiting #remoteV{opacity:0;pointer-events:none}
.call.remote-off #remoteV{opacity:0}
.call-top{position:relative;z-index:2;text-align:center;padding:calc(40px + env(safe-area-inset-top)) 20px 0;transition:opacity .3s}
.call.video.live .call-top{padding-top:calc(18px + env(safe-area-inset-top));text-shadow:0 1px 6px rgba(0,0,0,.6)}
.call.video.live .call-top #callAv{display:none}
.call-top .av{margin:0 auto 18px;box-shadow:0 0 0 10px rgba(255,255,255,.06),0 0 0 22px rgba(255,255,255,.03)}
.call.waiting .call-top .av{animation:pulse2 1.6s infinite}
@keyframes pulse2{0%{box-shadow:0 0 0 0 rgba(138,116,255,.55)}70%{box-shadow:0 0 0 26px rgba(138,116,255,0)}100%{box-shadow:0 0 0 0 rgba(138,116,255,0)}}
.call-name{font-size:26px;font-weight:800;letter-spacing:-.02em}
.call-state{font-size:15px;opacity:.8;margin-top:6px;font-variant-numeric:tabular-nums}
#localV{position:absolute;z-index:3;right:16px;top:calc(16px + env(safe-area-inset-top));width:min(28vw,180px);aspect-ratio:3/4;object-fit:cover;border-radius:16px;background:#222;box-shadow:0 8px 30px rgba(0,0,0,.4);transform:scaleX(-1)}
#localV.back-cam{transform:none}
.call.audio #localV,.call.cam-off #localV{display:none}
.call-ctrls{position:relative;z-index:2;display:flex;gap:18px;padding:20px 20px calc(34px + env(safe-area-inset-bottom));background:linear-gradient(transparent,rgba(0,0,0,.45))}
.cbtn{width:60px;height:60px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.16);color:#fff;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:background .15s,transform .1s}
.cbtn:active{transform:scale(.93)}
.cbtn svg{width:26px;height:26px}
.cbtn.off{background:#fff;color:#14111f}
.cbtn.hang{background:#e5484d}
.cbtn.ok{background:#12a594}
.cbtn.big{width:68px;height:68px}
.call.audio #cCam,.call.audio #cFlip{display:none}

/* appel entrant */
.incoming{position:fixed;inset:0;z-index:45;background:rgba(10,8,18,.72);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:grid;place-items:center;padding:20px;animation:fade .2s}
.inc-card{background:radial-gradient(120% 90% at 50% 0%,#3a2a8f 0%,#17131f 70%);color:#fff;border-radius:28px;padding:36px 28px 30px;width:min(360px,100%);text-align:center;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.inc-card .av{margin:0 auto 16px;animation:pulse2 1.6s infinite}
.inc-name{font-size:24px;font-weight:800}
.inc-kind{opacity:.8;margin-top:6px}
.inc-btns{display:flex;justify-content:space-around;margin-top:34px}
.inc-btns>div{display:flex;flex-direction:column;align-items:center;gap:8px;font-size:13px;opacity:.95}
.inc-btns .ok{animation:wiggle 1.2s infinite}
@keyframes wiggle{0%,100%{transform:rotate(0)}10%,30%{transform:rotate(-12deg)}20%,40%{transform:rotate(12deg)}50%{transform:rotate(0)}}