:root{
  --bg:#0e1621; --bg2:#17212b; --card:#1d2b3a; --border:#2b3e50;
  --text:#e4ecf2; --muted:#6d8296; --accent:#00d9ff; --accent2:#00b8d9;
  --green:#4ade80; --blue:#00d9ff; --red:#ef4444;
  --safe-top:env(safe-area-inset-top,0px);
  --safe-bottom:env(safe-area-inset-bottom,0px);
  --safe-left:env(safe-area-inset-left,0px);
  --safe-right:env(safe-area-inset-right,0px);
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none}
html,body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",system-ui,sans-serif;font-size:16px;line-height:1.5;height:100vh;height:100dvh;overflow:hidden;overscroll-behavior:none;-webkit-user-select:none;user-select:none}
button,input,textarea{font-family:inherit;font-size:inherit;color:inherit;background:none;border:none;outline:none;-webkit-appearance:none}
button{cursor:pointer}
input,textarea{-webkit-user-select:text;user-select:text}

/* ---------- LOGIN ---------- */
.login{display:flex;align-items:center;justify-content:center;height:100vh;height:100dvh;padding:24px;background:var(--bg)}
.login-box{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:40px 28px;width:100%;max-width:360px;text-align:center}
.login-box h1{font-size:32px;font-weight:700;margin-bottom:4px;color:#fff}
.login-box p{color:var(--muted);font-size:14px;margin-bottom:24px}
.login-box input{width:100%;padding:14px;background:var(--bg);border:1px solid var(--border);border-radius:12px;margin-bottom:12px;text-align:center;font-size:16px;color:#fff;transition:border-color .2s}
.login-box input:focus{border-color:var(--accent)}
.login-box button{width:100%;padding:14px;background:var(--accent);border-radius:12px;font-weight:600;color:#000;font-size:16px;transition:opacity .15s}
.login-box button:active{opacity:.8}
.login-box .err{background:rgba(239,68,68,.1);color:#fca5a5;padding:10px;border-radius:8px;margin-bottom:12px;font-size:13px}

/* ---------- SHELL ---------- */
.shell{display:flex;flex-direction:column;height:100vh;height:100dvh}

/* ---------- HEADER ---------- */
.main-head{
  padding:0;padding-top:var(--safe-top);
  background:var(--bg2);border-bottom:1px solid var(--border);
  display:flex;flex-direction:column;
  z-index:10;flex-shrink:0;
}
.head-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 16px;min-height:56px;
}
.head-left{display:flex;align-items:center;gap:12px;cursor:pointer;flex:1}
.head-avatar{
  width:40px;height:40px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),#0088cc);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;color:#fff;flex-shrink:0;
}
.head-info{display:flex;flex-direction:column;gap:1px}
.head-info h2{font-size:16px;font-weight:600;color:#fff;line-height:1.2}
.head-status{font-size:12px;color:var(--muted);line-height:1.2;transition:color .2s}
.head-status.typing{color:var(--accent)}
.head-chevron{font-size:10px;color:var(--muted);margin-left:4px;transition:transform .2s}
.head-right{display:flex;align-items:center;gap:8px}
.clear-btn{
  width:36px;height:36px;border-radius:50%;
  background:var(--bg);border:1px solid var(--border);
  color:var(--accent);display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:300;transition:all .15s;
}
.clear-btn:active{background:var(--accent);color:#000;border-color:var(--accent)}

/* ---------- COLLAPSIBLE PANEL ---------- */
.head-panel{
  padding:0 16px 12px;display:flex;flex-direction:column;gap:10px;
  animation:panelIn .2s ease;
}
@keyframes panelIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.head-options{display:flex;align-items:center;gap:10px}
.head-opt-label{font-size:12px;color:var(--muted);font-weight:600}
.model-pick{
  padding:6px 28px 6px 10px;background:var(--bg);border:1px solid var(--border);
  border-radius:8px;font-size:12px;color:var(--text);font-weight:600;
  cursor:pointer;-webkit-appearance:none;appearance:none;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%236d8296' stroke-width='3'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat:no-repeat;background-position:right 8px center;
}
.model-pick option{background:var(--bg2);color:var(--text)}

/* ---------- SESSIONS LIST ---------- */
.sessions-label{font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:1px}
.sessions-list{display:flex;flex-direction:column;gap:2px;max-height:240px;overflow-y:auto;-webkit-overflow-scrolling:touch}
.session-item{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 12px;border-radius:10px;cursor:pointer;
  transition:background .15s;gap:8px;
}
.session-item:active,.session-item:hover{background:rgba(255,255,255,.05)}
.session-item.active{background:rgba(0,217,255,.1);border:1px solid rgba(0,217,255,.2)}
.session-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.session-title{font-size:14px;font-weight:500;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.session-date{font-size:11px;color:var(--muted)}
.session-delete{
  width:32px;height:32px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  color:var(--muted);transition:all .15s;flex-shrink:0;
  background:transparent;border:none;
}
.session-delete svg{width:16px;height:16px}
.session-delete:active{color:var(--red);background:rgba(239,68,68,.1)}
.sessions-empty{padding:16px;text-align:center;color:var(--muted);font-size:13px}

/* ---------- CHAT ---------- */
.chat{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:12px 0;overscroll-behavior:contain}
.chat-inner{max-width:700px;margin:0 auto;padding:0 16px;display:flex;flex-direction:column;gap:2px}
.msg{padding:4px 0;-webkit-user-select:text;user-select:text;animation:msgIn .2s ease}
@keyframes msgIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.msg .who{display:none}
.msg .body{font-size:15px;line-height:1.55;white-space:pre-wrap;word-wrap:break-word;overflow-wrap:break-word;max-width:82%;padding:10px 14px;border-radius:18px}
.msg.user{display:flex;justify-content:flex-end}
.msg.user .body{background:#2b5278;color:#fff;border-radius:18px 18px 4px 18px}
.msg.assistant .body{background:var(--bg2);color:var(--text);border-radius:18px 18px 18px 4px}
.msg .body code{background:rgba(0,0,0,.3);padding:2px 6px;border-radius:4px;font-size:13px;font-family:ui-monospace,monospace}
.msg .body pre{background:rgba(0,0,0,.3);border:1px solid var(--border);padding:12px;border-radius:10px;overflow-x:auto;margin:8px 0;font-size:13px;font-family:ui-monospace,monospace}
.tool{background:rgba(0,217,255,.06);border:1px solid rgba(0,217,255,.12);border-radius:8px;padding:6px 10px;margin:6px 0;font-size:12px;display:inline-flex;align-items:center;gap:6px}
.tool .name{color:var(--accent);font-weight:600;font-family:ui-monospace,monospace}
.tool .input,.tool-result{display:none}
.thinking{color:var(--muted);font-style:italic;font-size:13px;padding:4px 0;display:flex;align-items:center;gap:8px}
.thinking::before{content:"";display:inline-block;width:6px;height:6px;background:var(--accent);border-radius:50%;animation:pulse 1.2s ease infinite}
@keyframes pulse{0%,100%{opacity:.3;transform:scale(.8)}50%{opacity:1;transform:scale(1.2)}}

.empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;padding:40px;color:var(--muted);gap:16px}
.empty-icon{
  width:72px;height:72px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),#0088cc);
  display:flex;align-items:center;justify-content:center;
  font-size:32px;font-weight:700;color:#fff;
}
.empty p{font-size:16px;text-align:center}

/* ---------- INPUT ---------- */
.input-area{
  border-top:1px solid var(--border);padding:8px 12px;
  padding-bottom:calc(8px + var(--safe-bottom));
  background:var(--bg2);position:relative;flex-shrink:0;
}
.input-row{max-width:700px;margin:0 auto;display:flex;align-items:flex-end;gap:8px;position:relative}
.input-wrap{
  flex:1;background:var(--bg);border:1px solid var(--border);
  border-radius:22px;padding:6px 14px;display:flex;align-items:flex-end;
  min-height:44px;transition:border-color .2s;
}
.input-wrap:focus-within{border-color:var(--accent)}
.input-wrap textarea{flex:1;background:none;resize:none;max-height:140px;min-height:32px;line-height:1.4;padding:6px 0;font-size:16px;color:#fff}
.input-wrap textarea::placeholder{color:var(--muted)}
.input-area.recording .input-wrap{display:none}

.rec-trash{display:none;width:44px;height:44px;border-radius:50%;background:var(--bg);border:1px solid var(--border);color:#ff3b30;align-items:center;justify-content:center;flex-shrink:0;transition:all .15s}
.rec-trash:active{transform:scale(.9);background:rgba(255,59,48,.1)}
.input-area.locked .rec-trash{display:flex}

.action-btn{
  width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;transition:all .15s;
  background:var(--accent);color:#000;
  position:relative;touch-action:none !important;
  -webkit-touch-callout:none;-webkit-user-select:none;user-select:none;
}
.action-btn:active{transform:scale(.9)}
.action-btn.send-mode{background:var(--accent)}
.action-btn.recording{
  background:var(--accent);transform:scale(1.08);
}
.action-btn.recording::before{
  content:"";position:absolute;inset:-10px;border-radius:50%;
  border:1.5px solid rgba(0,217,255,.3);animation:ripple 1.8s ease-out infinite;
  pointer-events:none;
}
@keyframes ripple{0%{transform:scale(.85);opacity:.7}100%{transform:scale(1.4);opacity:0}}

.rec-lock{
  position:absolute;right:18px;bottom:calc(64px + var(--safe-bottom));
  width:38px;height:52px;border-radius:20px;
  background:var(--bg2);border:1px solid var(--border);
  display:none;align-items:flex-start;justify-content:center;
  padding-top:8px;z-index:6;transition:all .15s;pointer-events:none;
}
.rec-lock.show{display:flex;animation:slideUp .2s ease}
@keyframes slideUp{from{transform:translateY(16px);opacity:0}to{transform:translateY(0);opacity:1}}
.rec-lock .lock-icon{font-size:16px}
.rec-lock .lock-arrow{position:absolute;bottom:4px;font-size:12px;color:var(--muted);animation:arrowUp 1.2s ease-in-out infinite}
@keyframes arrowUp{0%,100%{transform:translateY(0);opacity:.4}50%{transform:translateY(-3px);opacity:1}}
.rec-lock.near{background:var(--accent);border-color:var(--accent)}
.rec-lock.near .lock-icon,.rec-lock.near .lock-arrow{color:#000}

.rec-status{display:none;flex:1;align-items:center;gap:10px;background:var(--bg);border:1px solid var(--border);border-radius:22px;padding:0 14px;min-height:44px}
.input-area.recording .rec-status{display:flex}
.rec-dot{width:8px;height:8px;border-radius:50%;background:#ff3b30;animation:recBlink 1s ease-in-out infinite;flex-shrink:0}
@keyframes recBlink{0%,100%{opacity:1}50%{opacity:.3}}
.rec-time{font-variant-numeric:tabular-nums;font-size:14px;font-weight:600;min-width:42px;color:var(--text);flex-shrink:0}
.rec-hint{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;color:var(--muted);font-size:13px;transition:transform .08s;white-space:nowrap}
.rec-hint .arrow{font-size:16px;opacity:.5;animation:hintArrow 1.4s ease-in-out infinite}
@keyframes hintArrow{0%,100%{transform:translateX(0);opacity:.4}50%{transform:translateX(-4px);opacity:.9}}
.rec-status.cancelling{background:rgba(255,59,48,.06);border-color:rgba(255,59,48,.3)}
.rec-status.cancelling .rec-hint{color:#ff3b30}
.input-area.locked .rec-hint{display:none}
.input-area.locked .rec-status::after{content:"Enregistrement…";flex:1;text-align:left;color:var(--muted);font-size:13px}

/* ---------- TOAST ---------- */
#toast-container{position:fixed;top:calc(16px + var(--safe-top));left:50%;transform:translateX(-50%);z-index:1000;display:flex;flex-direction:column;gap:8px;pointer-events:none;padding:0 16px;max-width:100%}
.toast{background:var(--bg2);border:1px solid var(--border);color:#fff;padding:10px 18px;border-radius:12px;font-size:14px;font-weight:500;opacity:0;transform:translateY(-16px);transition:opacity .2s,transform .2s;pointer-events:auto;max-width:340px;text-align:center}
.toast.show{opacity:1;transform:translateY(0)}
.toast-error{background:rgba(239,68,68,.12);border-color:rgba(239,68,68,.3);color:#fca5a5}

.cursor{display:inline-block;width:2px;height:16px;background:var(--accent);vertical-align:text-bottom;animation:blink .8s infinite;margin-left:1px;border-radius:1px}
@keyframes blink{50%{opacity:.15}}

::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.08);border-radius:2px}

/* ---------- VOICE BUBBLES ---------- */
.voice-outer{display:flex;flex-direction:column;gap:8px;max-width:100%}
.voice-transcript{font-size:15px;color:var(--text,#fff);padding:0 2px;line-height:1.5;font-weight:400;order:1}
.voice-bubble{display:flex;align-items:center;gap:6px;padding:4px 8px;border-radius:12px;background:rgba(0,0,0,.18);min-width:140px;max-width:220px;opacity:.75;order:2}
.voice-bubble:hover{opacity:1}
.play-btn{width:24px;height:24px;border-radius:50%;background:var(--accent);color:#000;font-size:10px;cursor:pointer;flex-shrink:0;display:flex;align-items:center;justify-content:center;transition:transform .1s}
.play-btn:active{transform:scale(.9)}
.play-btn svg{width:12px;height:12px}
.wave-bar{flex:1;height:16px;position:relative;display:flex;align-items:center;cursor:pointer}
.wave-bar::before{content:"";position:absolute;left:0;right:0;top:50%;height:2px;background:rgba(255,255,255,.1);border-radius:1px;transform:translateY(-50%)}
.wave-progress{position:absolute;left:0;top:50%;height:2px;width:0%;background:var(--accent);border-radius:1px;transform:translateY(-50%);transition:width .1s linear;pointer-events:none}
.voice-time{font-size:10px;color:var(--muted);font-variant-numeric:tabular-nums;min-width:28px;text-align:right}

/* ---------- iOS/PWA ---------- */
@supports (-webkit-touch-callout:none){
  html,body{height:-webkit-fill-available}
  .shell{height:-webkit-fill-available}
  .login{height:-webkit-fill-available}
  body{position:fixed;width:100%}
}

/* ============================================================
   MEDIA ATTACHMENTS — paperclip, preview strip, in-message grid
   ============================================================ */

/* Paperclip attach button */
.attach-btn {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: #8aa2b8;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s, color .15s, transform .08s;
  padding: 0;
}
.attach-btn:hover { background: rgba(0, 217, 255, 0.08); color: #00d9ff; }
.attach-btn:active { transform: scale(0.92); }
.attach-btn svg { pointer-events: none; }

/* Pending media preview strip above input */
.media-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px 10px 4px 10px;
  max-height: 140px;
  overflow-x: auto;
  overflow-y: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  -webkit-overflow-scrolling: touch;
}
.media-thumb {
  position: relative;
  width: 72px;
  height: 72px;
  border-radius: 10px;
  overflow: hidden;
  background: #0b1624;
  flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.07);
}
.media-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.media-thumb .thumb-video {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a2b3d 0%, #0e1a28 100%);
}
.media-thumb .thumb-video .video-icon { color: #7ab8ff; opacity: 0.85; }
.media-thumb.uploading img,
.media-thumb.uploading .thumb-video { opacity: 0.45; }
.media-thumb .thumb-loader {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.media-thumb .thumb-loader::before {
  content: '';
  width: 22px; height: 22px;
  border: 2.5px solid rgba(255,255,255,0.2);
  border-top-color: #00d9ff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.thumb-remove {
  position: absolute;
  top: 3px;
  right: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: none;
  background: rgba(0, 0, 0, 0.72);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  backdrop-filter: blur(4px);
}
.thumb-remove:hover { background: rgba(255, 70, 90, 0.85); }
.thumb-remove svg { pointer-events: none; }

/* In-message media grid (inside chat bubbles) */
.msg-media-grid {
  display: grid;
  gap: 4px;
  margin-bottom: 6px;
  max-width: min(100%, 340px);
  border-radius: 12px;
  overflow: hidden;
}
.msg-media-grid.count-1 { grid-template-columns: 1fr; }
.msg-media-grid.count-2 { grid-template-columns: 1fr 1fr; }
.msg-media-grid.count-3 { grid-template-columns: 1fr 1fr; }
.msg-media-grid.count-3 > :first-child { grid-column: 1 / -1; }
.msg-media-grid.count-4 { grid-template-columns: 1fr 1fr; }

.msg-media-item {
  width: 100%;
  max-height: 340px;
  min-height: 80px;
  object-fit: cover;
  display: block;
  background: #0b1624;
  cursor: pointer;
  border-radius: 4px;
}
.msg-media-grid.count-1 .msg-media-item { max-height: 420px; object-fit: contain; background: #06101c; }
video.msg-media-item { cursor: default; }

/* When text is present after media, give a bit of spacing */
.msg .body > .msg-media-grid + .msg-text,
.msg .body > .msg-media-grid + .voice-outer { margin-top: 4px; }

.msg-text {
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-wrap: anywhere;
}

/* Lightbox for viewing images fullscreen */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.93);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 16px;
  animation: fadein 0.15s ease;
  cursor: zoom-out;
}
.lightbox img,
.lightbox video {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 10px 60px rgba(0, 217, 255, 0.15);
}
@keyframes fadein { from { opacity: 0; } to { opacity: 1; } }

/* Mobile tweaks */
@media (max-width: 480px) {
  .media-thumb { width: 64px; height: 64px; }
  .attach-btn { width: 38px; height: 38px; }
  .attach-btn svg { width: 20px; height: 20px; }
}

/* ============================================================
   MEDIA UPLOAD — photos + vidéos (v17)
   ============================================================ */

/* Attach (paperclip) button */
.attach-btn{
  width:42px;height:42px;border-radius:50%;
  background:var(--bg);border:1px solid var(--border);
  color:var(--muted);display:flex;align-items:center;justify-content:center;
  flex-shrink:0;transition:all .15s;
}
.attach-btn:hover{color:var(--accent);border-color:var(--accent)}
.attach-btn:active{transform:scale(.9);background:rgba(0,217,255,.1)}
.input-area.locked .attach-btn{display:none}

/* Pending media preview strip (above input) */
.media-strip{
  max-width:700px;margin:0 auto 8px;padding:0 4px;
  display:flex;gap:8px;overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;-ms-overflow-style:none;
}
.media-strip::-webkit-scrollbar{display:none}
.media-thumb{
  position:relative;flex-shrink:0;width:72px;height:72px;
  border-radius:12px;overflow:hidden;background:var(--card);
  border:1px solid var(--border);
}
.media-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.media-thumb .thumb-video{
  width:100%;height:100%;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#1d2b3a,#0e1621);color:var(--accent);
}
.media-thumb.uploading img{opacity:.5}
.thumb-loader{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:rgba(14,22,33,.5);
}
.thumb-loader::after{
  content:'';width:22px;height:22px;border:2px solid var(--accent);
  border-top-color:transparent;border-radius:50%;
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.thumb-remove{
  position:absolute;top:3px;right:3px;
  width:20px;height:20px;border-radius:50%;
  background:rgba(0,0,0,.75);color:#fff;
  display:flex;align-items:center;justify-content:center;
  border:none;transition:all .15s;
}
.thumb-remove:hover{background:var(--red)}
.thumb-remove:active{transform:scale(.85)}

/* Inline media in message bubbles */
.msg-media-grid{
  display:grid;gap:3px;border-radius:14px;overflow:hidden;
  max-width:340px;margin-bottom:6px;
}
.msg-media-grid.count-1{grid-template-columns:1fr}
.msg-media-grid.count-1 .msg-media-item{max-height:380px;width:100%;object-fit:cover}
.msg-media-grid.count-2{grid-template-columns:1fr 1fr}
.msg-media-grid.count-3{grid-template-columns:1fr 1fr}
.msg-media-grid.count-3 .msg-media-item:first-child{grid-column:span 2}
.msg-media-grid.count-4{grid-template-columns:1fr 1fr}
.msg-media-item{
  width:100%;height:100%;min-height:140px;max-height:260px;
  object-fit:cover;display:block;cursor:pointer;
  background:var(--card);
}
video.msg-media-item{cursor:default;max-height:380px}
.msg-text{white-space:pre-wrap;word-wrap:break-word}

/* Lightbox (full-screen image viewer) */
.lightbox{
  position:fixed;inset:0;z-index:10000;
  background:rgba(0,0,0,.92);
  display:flex;align-items:center;justify-content:center;
  padding:20px;cursor:zoom-out;
  animation:fadein .18s ease;
}
@keyframes fadein{from{opacity:0}to{opacity:1}}
.lightbox img,.lightbox video{
  max-width:100%;max-height:100%;border-radius:8px;
  box-shadow:0 8px 40px rgba(0,0,0,.6);
}
.lightbox-download{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%);
  background:rgba(0,217,255,.92);color:#000d1a;
  padding:12px 22px;border-radius:24px;
  font-size:15px;font-weight:600;text-decoration:none;
  box-shadow:0 4px 16px rgba(0,0,0,.5);
  cursor:pointer;z-index:10001;
  display:flex;align-items:center;gap:6px;
  transition:transform .15s ease,background .15s ease;
}
.lightbox-download:hover{background:#00d9ff;transform:translateX(-50%) scale(1.05)}
.lightbox-download:active{transform:translateX(-50%) scale(.97)}

/* NoLimit badge */
.msg.nolimit .body{
  background:linear-gradient(135deg,#2d1b4e 0%,#3b1e3e 100%);
  border:1px solid #7c3aed;
}
.msg.nolimit .who{color:#a78bfa;font-weight:600}
.msg.refused .body{opacity:.55;border-left:3px solid #f87171}
.msg.refused .body::before{content:"↓ Claude a refusé — NoLimit prend le relais";display:block;font-size:11px;color:#f87171;margin-bottom:6px;font-style:italic}


/* ============================================================
   RESTART BUTTON + SOS BANNER (v19)
   ============================================================ */
.restart-btn{
  flex:1;padding:10px 14px;border-radius:10px;
  background:rgba(239,68,68,.12);color:#ff6b6b;
  border:1px solid rgba(239,68,68,.3);
  font-weight:500;font-size:14px;transition:all .15s;
  display:flex;align-items:center;justify-content:center;gap:6px;
}
.restart-btn:hover{background:rgba(239,68,68,.2);border-color:#ff6b6b}
.restart-btn:active{transform:scale(.97)}
.restart-btn:disabled,.restart-btn.restarting{opacity:.6;cursor:wait}

.sos-banner{
  background:linear-gradient(90deg,#dc2626,#ef4444);
  color:#fff;padding:10px 14px;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;font-weight:500;
  animation:slidein .25s ease;
  box-shadow:0 -2px 12px rgba(239,68,68,.4);
}
@keyframes slidein{from{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}
.sos-restart-btn{
  background:rgba(255,255,255,.2);color:#fff;
  padding:7px 14px;border-radius:8px;font-weight:600;font-size:13px;
  border:1px solid rgba(255,255,255,.4);transition:all .15s;
  white-space:nowrap;
}
.sos-restart-btn:hover{background:rgba(255,255,255,.3)}
.sos-restart-btn:active{transform:scale(.95)}
.sos-restart-btn:disabled{opacity:.6}

/* ============================================================
   iOS NATIVE-FEEL POLISH (v23)
   ============================================================ */
/* Snappier taps + supprime double-tap zoom safari */
button,a,[role="button"],.session-item,.head-left,.tool,.model-pick{touch-action:manipulation}
/* Évite le zoom auto iOS sur focus input (déjà font-size:16px mais on force) */
input,textarea,select{font-size:16px!important}
/* Sélection texte personnalisée */
::selection{background:rgba(0,217,255,.35);color:#fff}
/* Empêche le rubber-band scroll iOS sur le shell global */
html,body,#app,.shell{position:fixed;inset:0;overflow:hidden;width:100%}
/* Mais on autorise le scroll dans les zones internes */
.sessions-list,.msgs,.head-panel{position:relative;inset:auto;overflow-y:auto}
/* Force le composer en bas à respecter le home bar */
.composer,.compose,.input-bar,.chat-input,.bottom-bar{padding-bottom:max(12px,var(--safe-bottom))!important}
/* Scrollbar discrète style iOS */
::-webkit-scrollbar{width:0;height:0}
/* Press feedback subtil sur tous les boutons sans :active explicite */
button:not(.no-bounce):active{transform:scale(.97);transition:transform .08s ease}
/* Status bar transparent black-translucent — assure le fond derrière */
@supports(padding:env(safe-area-inset-top)){
  body{background:var(--bg)}
}

/* ============== DRAWER (left, Telegram-style) ============== */
.drawer-toggle{
  display:flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  background:transparent;border:none;color:var(--text);
  margin-right:6px;flex-shrink:0;cursor:pointer;
  transition:background .15s;
}
.drawer-toggle:active{background:rgba(255,255,255,.08)}

.drawer-backdrop{
  position:fixed;inset:0;z-index:90;
  background:rgba(0,0,0,.55);
  -webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);
  animation:drawerFade .2s ease;
}
@keyframes drawerFade{from{opacity:0}to{opacity:1}}

.drawer{
  position:fixed;top:0;left:0;bottom:0;
  width:min(86vw,340px);
  background:var(--bg2);
  border-right:1px solid var(--border);
  z-index:100;
  display:flex;flex-direction:column;
  transform:translateX(-105%);
  transition:transform .25s cubic-bezier(.4,.0,.2,1);
  padding-top:env(safe-area-inset-top);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 0 32px rgba(0,0,0,.5);
  overflow:hidden;
  box-sizing:border-box;
}
.drawer.open{transform:translateX(0)}

.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-bottom:1px solid var(--border);flex-shrink:0;
}
.drawer-head h3{font-size:17px;font-weight:600;color:#fff;margin:0}
.drawer-close{
  width:34px;height:34px;border-radius:8px;
  background:transparent;border:none;color:var(--muted);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background .15s,color .15s;
}
.drawer-close:active{background:rgba(255,255,255,.08);color:#fff}

.drawer-new{
  margin:12px 14px 8px;padding:12px 14px;
  background:linear-gradient(135deg,var(--accent),#0088cc);
  border:none;border-radius:12px;color:#fff;
  font-size:15px;font-weight:600;text-align:left;
  cursor:pointer;flex-shrink:0;
  transition:filter .15s;
}
.drawer-new:active{filter:brightness(.92)}

.drawer-sessions{
  flex:1 1 0;min-height:0;
  overflow-y:auto;overflow-x:hidden;
  -webkit-overflow-scrolling:touch;
  overscroll-behavior:contain;
  touch-action:pan-y;
  padding:6px 8px 24px;
  display:flex;flex-direction:column;gap:2px;
}
.drawer-sessions .session-item{padding:10px 10px}
.drawer-sessions .sessions-empty{
  padding:24px 12px;text-align:center;color:var(--muted);font-size:14px;
}
.drawer-reload{
  margin:8px 14px 14px;padding:10px 14px;
  background:transparent;
  border:1px solid rgba(255,255,255,.12);
  border-radius:10px;color:var(--muted);
  font-size:13px;font-weight:500;text-align:left;
  cursor:pointer;flex-shrink:0;
  transition:background .15s, color .15s;
}
.drawer-reload:active{background:rgba(255,255,255,.05);color:#fff}