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h2{font-family:var(--display);letter-spacing:-.02em;background:var(--grad-text);color:#0000;-webkit-background-clip:text;background-clip:text;margin-bottom:12px;font-size:27px;font-weight:600}.chat-empty .muted{font-size:14px;line-height:1.6}.chat-msg{width:fit-content;max-width:820px;animation:msg-in var(--dur-2) var(--ease-out) both;align-items:flex-start;gap:12px;display:flex}.chat-msg-user{flex-direction:row-reverse;margin-left:auto}.chat-avatar{border-radius:11px;flex-shrink:0;place-items:center;width:34px;height:34px;font-size:12px;font-weight:700;display:grid}.chat-msg-assistant .chat-avatar{border:1px solid var(--accent-line);box-shadow:var(--glow-accent);background:#7c5cff1f}.chat-msg-user .chat-avatar{background:var(--surface-3);color:var(--text-strong);border:1px solid var(--border-strong)}.chat-bubble{color:var(--text-h);border-radius:16px;padding:13px 16px;font-size:14.5px;line-height:1.62}.chat-msg-assistant .chat-bubble{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-sm);-webkit-backdrop-filter:blur(var(--glass-blur));border-top-left-radius:5px}.chat-msg-user .chat-bubble{background:var(--grad);box-shadow:var(--glow-accent);border:1px solid #ffffff29;border-top-right-radius:5px}.chat-msg-user .chat-bubble p{color:#fff}.chat-bubble p.error{color:var(--danger)}.chat-bubble .source-list{margin-top:14px}.chat-bubble .ghost{margin-top:14px;padding:7px 12px;font-size:12.5px}.chat-typing{gap:5px;padding:4px 0;display:inline-flex}.chat-typing i{background:var(--violet);width:7px;height:7px;box-shadow:0 0 8px var(--accent-glow);border-radius:50%;animation:1.2s ease-in-out infinite chat-blink}.chat-typing i:nth-child(2){animation-delay:.18s}.chat-typing i:nth-child(3){animation-delay:.36s}.chat-composer{background:var(--surface);border:1px solid var(--border-strong);box-shadow:var(--shadow-sm);-webkit-backdrop-filter:blur(var(--glass-blur));transition:border-color var(--dur-1) var(--ease), box-shadow var(--dur-1) var(--ease);border-radius:18px;align-items:flex-end;gap:10px;padding:10px 10px 10px 18px;display:flex}.chat-composer:focus-within{border-color:var(--violet);box-shadow:0 0 0 4px var(--accent-ring), var(--shadow-sm)}.chat-composer textarea{resize:none;max-height:168px;color:var(--text-h);background:0 0;border:none;flex:1;padding:8px 0;font-size:14.5px}.chat-composer textarea::placeholder{color:var(--text-faint)}.chat-composer textarea:focus{outline:none}.chat-composer .primary{flex-shrink:0}.chat-error{margin-top:-6px}.source-list{gap:8px;margin-top:14px}.source-chip{border:1px solid var(--border);border-radius:var(--r-sm);background:var(--surface-2);transition:border-color var(--dur-1) var(--ease), background var(--dur-1) var(--ease);align-items:center;gap:10px;padding:9px 12px;font-size:12.5px;display:flex}.source-chip:hover{border-color:var(--accent-line);background:var(--surface-3)}.source-chip strong{color:var(--text-h);font-weight:600}.source-chip>span{color:var(--text);text-transform:capitalize}.source-chip .chip{margin-left:auto}@keyframes card-rise{0%{opacity:0;transform:translateY(16px)scale(.98)}to{opacity:1;transform:none}}@keyframes view-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}@keyframes toast-in{0%{opacity:0;transform:translateY(-10px)scale(.98)}to{opacity:1;transform:none}}@keyframes msg-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes chat-blink{0%,80%,to{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-2px)}}@media (width<=1080px){.app-shell{grid-template-columns:250px 1fr}.main{padding:22px 24px 36px}}@media (width<=860px){.app-shell{grid-template-columns:1fr}.sidebar{border-right:none;border-bottom:1px solid var(--border);flex-direction:column;height:auto;position:static}.app-shell .app-glow{left:0}.grid.two-up{grid-template-columns:1fr}.topbar{flex-direction:column;align-items:flex-start}.chat-window{height:calc(100svh - 240px)}}@media (width<=520px){.main{padding:18px 16px 28px}.card{padding:18px}.auth-card{padding:28px 22px}.chat-msg{max-width:100%}}