.landing-page{--hero-shift: 0px;--hero-tilt: 0deg;--orb-shift: 0px;--grid-shift: 0px;--section-shift: 0px;min-height:100vh;color:var(--text);background:radial-gradient(circle at 14% 18%,rgba(56,189,248,.12),transparent 20%),radial-gradient(circle at 84% 16%,rgba(139,92,246,.12),transparent 22%),linear-gradient(180deg,#0b0d12,#10131a 42%,#0d1016);position:relative;overflow:clip}.landing-orb,.landing-grid{position:fixed;inset:auto;pointer-events:none;z-index:0}.landing-orb{width:34rem;height:34rem;border-radius:50%;filter:blur(42px);opacity:.34;transform:translate3d(0,calc(var(--orb-shift) * -1),0)}.landing-orb-left{top:-7rem;left:-10rem;background:radial-gradient(circle,rgba(56,189,248,.28) 0%,rgba(56,189,248,.04) 56%,transparent 72%)}.landing-orb-right{top:8rem;right:-8rem;background:radial-gradient(circle,rgba(139,92,246,.28) 0%,rgba(139,92,246,.04) 58%,transparent 74%)}.landing-grid{top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:80px 80px;-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.36) 0%,transparent 100%);mask-image:linear-gradient(180deg,rgba(0,0,0,.36) 0%,transparent 100%);opacity:.3;transform:translate3d(0,calc(var(--grid-shift) * -1),0)}.landing-nav{position:sticky;top:0;z-index:50;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#0b0d12b8;border-bottom:1px solid rgba(255,255,255,.05)}.landing-nav-inner,.landing-hero,.landing-section{width:min(1180px,calc(100% - 2rem));margin:0 auto;position:relative;z-index:1}.landing-nav-inner{display:flex;align-items:center;justify-content:space-between;min-height:72px}.landing-brand,.landing-link{color:inherit;text-decoration:none}.landing-brand{font-size:1.05rem;font-weight:600;letter-spacing:.02em}.landing-nav-links{display:flex;align-items:center;gap:.85rem}.landing-link{color:var(--text-muted);font-size:.92rem}.landing-link-pill{border:1px solid rgba(95,124,255,.24);border-radius:999px;padding:.55rem .9rem;color:var(--text);background:#ffffff08}.landing-hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);gap:2.2rem;align-items:center;padding:5rem 0 3rem;perspective:1600px}.landing-kicker{margin:0 0 1rem;color:#a8b9ff;font-family:IBM Plex Mono,monospace;font-size:.77rem;letter-spacing:.08em;text-transform:uppercase}.landing-hero-copy h1,.section-heading h2,.final-cta h2{margin:0;line-height:1.04;letter-spacing:-.03em}.landing-hero-copy h1{font-size:clamp(2.8rem,7vw,5.35rem);max-width:12ch;transform:translate3d(0,calc(var(--hero-shift) * -.18),0);will-change:transform}.landing-subtitle{max-width:58ch;margin:1.2rem 0 0;color:var(--text-muted);font-size:1.05rem;line-height:1.72;transform:translate3d(0,calc(var(--hero-shift) * -.08),0);will-change:transform}.landing-cta-row{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.6rem}.availability-row{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.25rem}.availability-chip{display:inline-flex;align-items:center;gap:.65rem;min-height:44px;padding:0 .9rem 0 .65rem;border-radius:999px;text-decoration:none;color:var(--text);border:1px solid rgba(255,255,255,.08);background:#ffffff09;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.availability-chip:hover{transform:translateY(-1px);border-color:#5f7cff42;box-shadow:0 12px 28px #38bdf814,0 14px 30px #8b5cf614}.availability-icon{display:inline-flex;align-items:center;justify-content:center;width:1.85rem;height:1.85rem;border-radius:50%;background:linear-gradient(135deg,#38bdf838,#8b5cf638);border:1px solid rgba(95,124,255,.22);font-family:IBM Plex Mono,monospace;font-size:.72rem;font-weight:600;letter-spacing:.04em}.landing-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 1.15rem;border-radius:999px;text-decoration:none;font-weight:600;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.landing-btn:hover{transform:translateY(-1px)}.landing-btn-primary{color:#f6f7fb;border:1px solid rgba(95,124,255,.26);background:linear-gradient(135deg,#38bdf833,#8b5cf63d);box-shadow:0 14px 28px #38bdf814,0 18px 34px #8b5cf614}.landing-btn-secondary{color:var(--text);border:1px solid rgba(255,255,255,.08);background:#ffffff08}.landing-hero-panel{border:1px solid rgba(255,255,255,.08);border-radius:28px;padding:1.15rem;background:linear-gradient(180deg,#ffffff0a,#ffffff03),#0a0c12d1;box-shadow:0 24px 54px #00000047,inset 0 1px #ffffff0a;transform:translate3d(0,calc(var(--hero-shift) * -.12),0) rotateX(var(--hero-tilt));transform-origin:center top;will-change:transform}.hero-panel-topline{display:flex;justify-content:space-between;color:var(--text-muted);font-family:IBM Plex Mono,monospace;font-size:.76rem;text-transform:uppercase;letter-spacing:.06em;margin-bottom:1rem}.hero-panel-grid,.model-showcase,.capability-grid{display:grid;gap:1rem}.hero-panel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-model-card,.model-showcase-card,.capability-card,.final-cta{border:1px solid rgba(255,255,255,.08);background:#ffffff08;border-radius:22px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.hero-model-card{padding:1rem;transform:translate3d(0,calc(var(--section-shift) * -.18),0);transition:border-color .22s ease,box-shadow .22s ease,transform .7s cubic-bezier(.22,1,.36,1),opacity .7s ease}.hero-model-name,.model-showcase-header h3{font-size:1.05rem;margin:0}.hero-model-tag,.model-showcase-header span{color:#a6b5ff;font-family:IBM Plex Mono,monospace;font-size:.73rem;text-transform:uppercase;letter-spacing:.06em}.hero-model-card p,.model-showcase-card p,.capability-card{color:var(--text-muted);line-height:1.6}.hero-model-card p{margin:.8rem 0 0;font-size:.9rem}.landing-section{padding:4.25rem 0}.section-heading{margin-bottom:1.8rem}.section-heading h2,.final-cta h2{font-size:clamp(2rem,4vw,3.4rem);max-width:14ch}.model-showcase{grid-template-columns:repeat(2,minmax(0,1fr))}.model-showcase-card{padding:1.25rem;transform:translate3d(0,var(--section-shift),0);transition:transform .78s cubic-bezier(.22,1,.36,1),opacity .78s ease,border-color .22s ease,box-shadow .22s ease}.model-showcase-card:hover,.hero-model-card:hover,.capability-card:hover,.final-cta:hover{border-color:#5f7cff42;box-shadow:0 18px 36px #38bdf814,0 20px 40px #8b5cf614}.model-showcase-header{display:flex;align-items:baseline;justify-content:space-between;gap:1rem}.model-title-row{display:flex;align-items:center;gap:.6rem}.model-beta-badge{display:inline-flex;align-items:center;justify-content:center;min-height:1.45rem;padding:0 .48rem;border-radius:999px;border:1px solid rgba(95,124,255,.26);background:linear-gradient(135deg,#38bdf824,#8b5cf629);color:#dce6ff;font-family:IBM Plex Mono,monospace;font-size:.66rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase}.model-param-chip{flex-shrink:0;padding:.42rem .72rem;border-radius:999px;border:1px solid rgba(95,124,255,.2);background:#ffffff0a;color:var(--text);font-family:IBM Plex Mono,monospace;font-size:.73rem;font-weight:500;letter-spacing:.04em}.model-metric-block{margin-top:1rem;padding:.95rem 1rem;border-radius:18px;border:1px solid rgba(255,255,255,.07);background:linear-gradient(180deg,#ffffff09,#ffffff05)}.model-metric-label{color:#a6b5ff;font-family:IBM Plex Mono,monospace;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase}.model-metric-value{margin-top:.45rem;font-size:1.55rem;font-weight:600;letter-spacing:-.03em}.model-metric-note{margin-top:.4rem;color:var(--text-muted);font-size:.9rem;line-height:1.55}.model-showcase-card ul{margin:1rem 0 0;padding-left:1.15rem;color:var(--text)}.benchmark-table-section{padding-top:.5rem;padding-bottom:1rem}.benchmark-table-shell{overflow-x:auto;border:1px solid rgba(95,124,255,.18);border-radius:28px;background:linear-gradient(180deg,#ffffff09,#ffffff05),#0a0c12bd;box-shadow:0 24px 54px #0000003d,0 18px 36px #38bdf80d,0 20px 40px #8b5cf614;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.benchmark-table{width:100%;min-width:760px;border-collapse:collapse}.benchmark-table thead th{padding:1rem 1.1rem;text-align:left;color:#a6b5ff;font-family:IBM Plex Mono,monospace;font-size:.73rem;letter-spacing:.06em;text-transform:uppercase;border-bottom:1px solid rgba(255,255,255,.08)}.benchmark-table tbody td{padding:.95rem 1.1rem;border-bottom:1px solid rgba(255,255,255,.05);color:var(--text-muted);vertical-align:middle}.benchmark-table tbody tr:last-child td{border-bottom:none}.benchmark-table tbody tr{transition:background .18s ease,box-shadow .18s ease}.benchmark-table tbody tr:hover{background:#ffffff08}.benchmark-table .featured-row{background:linear-gradient(90deg,#38bdf817,#8b5cf61c);box-shadow:inset 3px 0 #8b5cf6e6}.benchmark-model-cell{display:flex;align-items:center;gap:.8rem}.benchmark-logo-wrap{display:inline-flex;align-items:center;justify-content:center;width:2.1rem;height:2.1rem;border-radius:12px;border:1px solid rgba(95,124,255,.18);background:linear-gradient(135deg,#38bdf81f,#8b5cf61f);flex-shrink:0}.benchmark-logo{width:1rem;height:1rem;object-fit:contain}.benchmark-logo-fallback{display:inline-flex;align-items:center;justify-content:center;width:1rem;height:1rem;color:var(--text);font-family:IBM Plex Mono,monospace;font-size:.58rem;font-weight:600;letter-spacing:.02em}.benchmark-model-name,.benchmark-score,.benchmark-table .featured-row td{color:var(--text)}.benchmark-score{font-weight:600}.featured-code-section{padding-top:.5rem}.featured-code-card{border:1px solid rgba(95,124,255,.2);border-radius:28px;padding:1.5rem;background:radial-gradient(circle at top left,rgba(56,189,248,.12),transparent 32%),radial-gradient(circle at top right,rgba(139,92,246,.14),transparent 36%),#ffffff09;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 24px 54px #0000003d,0 18px 36px #38bdf80f,0 20px 40px #8b5cf614}.featured-code-header{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem}.featured-code-header h2{margin:0;font-size:clamp(2rem,4vw,3.1rem);letter-spacing:-.04em;line-height:1.02}.featured-code-score{flex-shrink:0;padding:.7rem .95rem;border-radius:16px;border:1px solid rgba(95,124,255,.28);background:linear-gradient(135deg,#38bdf81f,#8b5cf624);font-family:IBM Plex Mono,monospace;font-size:.92rem;font-weight:600;letter-spacing:.04em}.featured-code-summary{max-width:70ch;margin:1rem 0 0;color:var(--text-muted);line-height:1.72}.featured-code-grid{display:grid;grid-template-columns:minmax(240px,.8fr) minmax(0,1.2fr);gap:1rem;margin-top:1.25rem}.featured-code-panel{border:1px solid rgba(255,255,255,.08);border-radius:22px;padding:1rem;background:#ffffff06}.featured-code-panel-label{color:#a6b5ff;font-family:IBM Plex Mono,monospace;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase}.featured-code-panel-value{margin-top:.45rem;font-size:1.7rem;font-weight:600;letter-spacing:-.03em}.featured-code-panel-note{margin-top:.4rem;color:var(--text-muted);line-height:1.58}.featured-code-panel ul{margin:.85rem 0 0;padding-left:1.1rem;color:var(--text)}.capabilities-band{position:relative}.capability-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.benchmark-grid{margin-bottom:1rem}.capability-card{padding:1.15rem;min-height:132px;display:flex;align-items:end;transform:translate3d(0,calc(var(--section-shift) * .8),0);transition:transform .82s cubic-bezier(.22,1,.36,1),opacity .82s ease,border-color .22s ease,box-shadow .22s ease}.final-cta{padding:1.4rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:4rem;transform:translate3d(0,calc(var(--section-shift) * .55),0);transition:transform .9s cubic-bezier(.22,1,.36,1),opacity .9s ease,border-color .22s ease,box-shadow .22s ease}.landing-footnote{width:min(1180px,calc(100% - 2rem));margin:-1rem auto 3.5rem;color:#ececec8f;font-size:.76rem;line-height:1.5;text-align:left;position:relative;z-index:1}[data-reveal]{opacity:0;transform:translateY(42px) scale(.985);transition:opacity .72s ease,transform .72s cubic-bezier(.22,1,.36,1)}[data-reveal].revealed{opacity:1;transform:translateY(0) scale(1)}@media (max-width: 980px){.landing-hero,.model-showcase,.capability-grid,.hero-panel-grid,.featured-code-grid{grid-template-columns:1fr}.final-cta,.landing-nav-inner{flex-direction:column;align-items:flex-start}.model-showcase-header{align-items:flex-start;flex-direction:column}.featured-code-header{flex-direction:column}.availability-row{margin-top:1rem}.landing-nav-inner{padding:.85rem 0}.landing-hero-panel,.landing-hero-copy h1,.landing-subtitle,.hero-model-card,.model-showcase-card,.capability-card,.final-cta{transform:none}}@media (max-width: 720px){.landing-page{overflow-x:hidden}.landing-nav-links{flex-wrap:wrap;gap:.65rem}.landing-hero{padding-top:3.5rem}.landing-hero-copy h1,.section-heading h2,.final-cta h2{max-width:none}.landing-orb{width:22rem;height:22rem;opacity:.28}}.auth-container{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#0f0f0f,#1a1a2e);padding:2rem}.auth-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:3rem;width:100%;max-width:420px;box-shadow:var(--shadow-soft)}.auth-header{text-align:center;margin-bottom:2rem}.auth-header h1{font-size:2rem;margin:0 0 .5rem;color:var(--accent)}.auth-header p{color:var(--text-muted);font-size:1.1rem;margin:0}.auth-form{display:flex;flex-direction:column;gap:1.5rem;margin:2rem 0}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{color:var(--text);font-weight:500;font-size:.95rem}.form-group input{padding:.75rem 1rem;background:var(--surface-soft);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:1rem;transition:all .3s ease}.form-group input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px #d7d7d71a}.form-group input::placeholder{color:var(--text-muted)}.error-message{background:#ff7f7f1a;border:1px solid var(--danger);color:#f99;padding:.75rem 1rem;border-radius:var(--radius);font-size:.9rem;margin-bottom:.5rem}.auth-form button{padding:.875rem 1.5rem;background:var(--accent);color:#000;border:none;border-radius:var(--radius);font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;margin-top:.5rem}.auth-form button:hover:not(:disabled){background:#e8e8e8;transform:translateY(-2px)}.auth-form button:disabled{opacity:.6;cursor:not-allowed}.auth-google-btn{display:inline-flex;align-items:center;justify-content:center;gap:.7rem;background:#ffffff0a!important;color:var(--text)!important;border:1px solid var(--border)!important}.auth-google-btn:hover:not(:disabled){background:#ffffff14!important}.auth-google-icon{display:inline-flex;align-items:center;justify-content:center;width:1.6rem;height:1.6rem;border-radius:50%;border:1px solid rgba(255,255,255,.1);background:#ffffff0f;font-family:IBM Plex Mono,monospace;font-size:.8rem;font-weight:600}.auth-divider{display:flex;align-items:center;gap:.85rem;margin-top:.25rem}.auth-divider span{height:1px;flex:1;background:#ffffff14}.auth-divider p{margin:0;color:var(--text-muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.08em}.auth-footer{text-align:center;color:var(--text-muted);font-size:.9rem;margin-top:1rem}.auth-footer a{color:var(--accent);text-decoration:none;font-weight:500}.auth-footer a:hover{text-decoration:underline}@media (max-width: 480px){.auth-box{padding:2rem 1.5rem}.auth-header h1{font-size:1.5rem}}.profile-container{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#0f0f0f,#1a1a2e);padding:2rem}.profile-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:3rem;width:100%;max-width:500px;box-shadow:var(--shadow-soft)}.profile-header{display:flex;gap:2rem;align-items:center;margin-bottom:3rem;padding-bottom:2rem;border-bottom:1px solid var(--border)}.profile-avatar{width:80px;height:80px;border-radius:50%;background:var(--accent);color:#000;display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:600;flex-shrink:0}.profile-info h1{font-size:1.5rem;margin:0;color:var(--text)}.profile-info p{color:var(--text-muted);margin:.5rem 0 0}.profile-section{margin-bottom:2rem}.usage-summary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-bottom:1rem}.usage-card{border:1px solid var(--border);border-radius:14px;background:#ffffff08;padding:1rem;display:grid;gap:.4rem}.usage-card span{color:var(--text-muted);font-size:.82rem;text-transform:uppercase;letter-spacing:.05em}.usage-card strong{color:var(--text);font-size:1.2rem}.profile-section h2{font-size:1.1rem;color:var(--accent);margin:0 0 1.5rem;text-transform:uppercase;letter-spacing:.05em;font-weight:600}.detail-row{display:flex;justify-content:space-between;align-items:center;padding:1rem 0;border-bottom:1px solid var(--border);color:var(--text-muted)}.detail-row:last-child{border-bottom:none}.detail-value{color:var(--text);font-weight:500;font-family:IBM Plex Mono,monospace}.detail-value.active{color:#7cfc00}.usage-model-info{display:grid;gap:.45rem;min-width:0;flex:1}.usage-bar{height:8px;width:100%;border-radius:999px;background:#ffffff0f;overflow:hidden}.usage-bar-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent-cyan) 0%,var(--accent-violet) 100%)}.profile-actions{display:flex;gap:1rem;margin-top:2rem}.btn-danger{padding:.875rem 1.5rem;background:var(--danger);color:#fff;border:none;border-radius:var(--radius);font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;flex:1}.btn-danger:hover{background:#f55;transform:translateY(-2px)}@media (max-width: 480px){.profile-card{padding:2rem 1.5rem}.profile-header{flex-direction:column;text-align:center}.usage-summary{grid-template-columns:1fr}}*{box-sizing:border-box}html,body,#root{width:100%;height:100%}body{margin:0}:root{--bg: #0f0f0f;--surface: #171717;--surface-elevated: #1f1f1f;--surface-soft: #202020;--text: #ececec;--text-muted: #a2a2a2;--border: #2a2a2a;--accent: #d7d7d7;--accent-cyan: #38bdf8;--accent-violet: #8b5cf6;--accent-gradient: linear-gradient(135deg, var(--accent-cyan) 0%, #5f7cff 48%, var(--accent-violet) 100%);--user-bubble: #2a2a2a;--assistant-bubble: var(--bg);--danger: #ff7f7f;--radius: 14px;--radius-lg: 18px;--shadow-soft: 0 18px 38px rgba(56, 189, 248, .12), 0 24px 54px rgba(139, 92, 246, .14)}*,*:before,*:after{box-sizing:border-box}html,body{width:100%;height:100%}body{margin:0;font-family:IBM Plex Sans,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:-1}a{color:inherit}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;border:0;overflow:hidden;clip:rect(0,0,0,0)}.app-shell{display:grid;grid-template-columns:272px 1fr;width:100%;height:100%;transition:grid-template-columns .22s ease}.app-shell.sidebar-collapsed{grid-template-columns:0 1fr}.sidebar-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;border:0;background:#06080c75;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);opacity:0;pointer-events:none;transition:opacity .22s ease;z-index:13}.sidebar{border-right:1px solid var(--border);background:#111;display:flex;flex-direction:column;padding:1rem;transition:transform .22s ease,opacity .22s ease,border-color .22s ease;overflow:hidden;min-width:0}.app-shell.sidebar-collapsed .sidebar{transform:translate(-100%);opacity:0;pointer-events:none}.sidebar-header{display:grid;gap:1rem;min-height:0;grid-template-rows:auto auto auto 1fr;height:100%;align-content:start}.sidebar-footer{margin-top:auto;padding-top:.85rem}.app-title{margin:0;font-size:1.05rem;font-weight:600;letter-spacing:.02em}.new-chat-btn{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:10px;height:44px;font:inherit;font-weight:500;cursor:pointer;transition:background .15s ease,border-color .15s ease}.new-chat-btn:hover{background:var(--surface-elevated);border-color:var(--accent);box-shadow:0 10px 24px #38bdf814,0 14px 28px #8b5cf61a}.sidebar-controls{border:1px solid var(--border);background:#151515;border-radius:12px;padding:.75rem;display:grid;gap:.5rem}.sidebar-label{font-size:.74rem;color:#b6b6b6;text-transform:uppercase;letter-spacing:.04em;font-family:IBM Plex Mono,monospace}.sidebar-input,.sidebar-textarea{width:100%;border:1px solid #2f2f2f;background:#101010;color:var(--text);border-radius:8px;padding:.5rem .55rem;font-family:IBM Plex Sans,sans-serif;font-size:.87rem}.sidebar-input:focus,.sidebar-textarea:focus{outline:1px solid #4e4e4e;border-color:#4e4e4e}.sidebar-textarea{resize:vertical;min-height:96px}.chat-list{min-height:0;overflow:auto;display:grid;align-content:start;gap:.42rem;padding-right:.1rem}.empty-state{margin:.2rem 0 0;color:var(--text-muted);font-size:.8rem}.chat-list-item-wrap{display:grid;grid-template-columns:1fr auto;gap:.35rem;align-items:center}.chat-list-item{border:1px solid #282828;background:#151515;color:var(--text);border-radius:9px;text-align:left;padding:.55rem .65rem;font:inherit;font-size:.85rem;cursor:pointer;transition:background .12s ease,border-color .12s ease}.chat-list-item span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-list-item:hover{background:#191919;border-color:#343434}.chat-list-item.active{border-color:#505050;background:#1d1d1d}.chat-list-item-wrap.active .chat-list-item{border-color:color-mix(in srgb,var(--accent) 65%,#2a2a2a);background:#1d1d1d}.chat-item-actions{display:flex;gap:.28rem}.chat-action-btn{border:1px solid #303030;background:#161616;color:var(--text);width:28px;height:28px;border-radius:7px;display:grid;place-items:center;cursor:pointer;font-size:.78rem}.chat-action-btn:hover{border-color:var(--accent)}.chat-action-btn.danger:hover{border-color:#844141;color:#ffb9b9}.status-indicator{color:var(--text-muted);font-family:IBM Plex Mono,monospace;font-size:.78rem;display:flex;gap:.5rem;align-items:center;margin:0}.status-dot{width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--accent-cyan) 0%,var(--accent-violet) 100%);box-shadow:0 0 10px #38bdf859,0 0 16px #8b5cf63d;animation:status-pulse 1.8s ease-in-out infinite}.chat-layout{min-width:0;display:grid;grid-template-rows:auto 1fr auto;height:100dvh;position:relative}.topbar{height:56px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:.65rem;padding:0 1rem;background:#0f0f0fd9;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);position:relative;z-index:25}.chat-layout:before{content:"";position:absolute;left:1.6rem;right:1.6rem;top:4.35rem;height:1px;opacity:0;pointer-events:none}.topbar-title{font-size:.92rem;color:var(--text-muted)}.model-badge{margin-left:auto;font-family:IBM Plex Mono,monospace;font-size:.78rem;color:#b8b8b8;border:1px solid var(--border);background:#141414;border-radius:999px;padding:.24rem .62rem;max-width:46%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.model-menu-wrap{position:relative}.model-menu{position:absolute;top:calc(100% + .6rem);right:0;width:min(430px,82vw);border:1px solid var(--border);background:#131313fa;border-radius:14px;box-shadow:0 24px 48px #00000052;padding:.75rem;display:grid;gap:.55rem;z-index:60}.model-menu-item{border:1px solid var(--border);border-radius:12px;padding:.6rem;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.75rem;align-items:center;background:#ffffff04}.model-menu-item.active{border-color:#5f7cff57;box-shadow:inset 0 0 0 1px #38bdf814,0 10px 24px #8b5cf614}.model-menu-select{border:0;background:transparent;color:inherit;font:inherit;padding:0;display:grid;grid-template-columns:auto minmax(0,1fr);gap:.6rem;align-items:center;cursor:pointer;text-align:left;min-width:0}.model-menu-copy{min-width:0}.model-menu-name{display:flex;align-items:center;gap:.45rem;font-weight:600}.model-beta-tag{border:1px solid rgba(95,124,255,.24);background:#5f7cff14;color:#cdd7ff;border-radius:999px;padding:.12rem .4rem;font-family:IBM Plex Mono,monospace;font-size:.63rem;letter-spacing:.06em}.model-menu-meta{color:var(--text-muted);font-size:.76rem;font-family:IBM Plex Mono,monospace;display:block;margin-top:.15rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.model-menu-diagnostic{display:block;margin-top:.22rem;font-size:.7rem;line-height:1.4;white-space:normal}.model-menu-diagnostic.ok{color:#9de5bf}.model-menu-diagnostic.error{color:#ffb7b7}.model-menu-actions{display:flex;flex-wrap:wrap;gap:.45rem;align-items:center;justify-content:end;width:100%;max-width:230px}.model-status-dot{width:9px;height:9px;border-radius:50%;box-shadow:0 0 0 1px #ffffff0f}.model-status-dot.online{background:#39d98a;box-shadow:0 0 10px #39d98a6b;animation:status-pulse 1.4s ease-in-out infinite}.model-status-dot.offline{background:#ff5d6c;box-shadow:0 0 10px #ff5d6c57}.topbar-settings-btn{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:10px;height:34px;padding:0 .75rem;font:inherit;font-size:.84rem;cursor:pointer}.topbar-settings-btn:hover{border-color:var(--accent)}.icon-btn{width:34px;height:34px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:.95rem;cursor:pointer;display:inline-grid;place-items:center}.chat-scroll-region{overflow:auto;scroll-behavior:smooth;position:relative}.chat-container{width:100%;max-width:980px;margin:0 auto;padding:2rem 1.25rem 1rem}.welcome-panel{margin:8vh auto 0;max-width:680px;text-align:center;border:1px solid var(--border);background:var(--surface);border-radius:var(--radius-lg);padding:2rem 1.25rem;box-shadow:var(--shadow-soft);animation:fade-up .28s ease;position:relative;overflow:hidden}.welcome-panel:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;padding:1px;background:var(--accent-gradient);opacity:.48;-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}.welcome-panel h2{margin:0;font-size:clamp(1.4rem,2.1vw,1.95rem);background:var(--accent-gradient);-webkit-background-clip:text;background-clip:text;color:transparent}.welcome-panel p{margin:.75rem auto 0;color:var(--text-muted);max-width:60ch}.small-hint{font-family:IBM Plex Mono,monospace;font-size:.84rem}.starter-grid{margin-top:1.35rem;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.7rem}.starter-card{border:1px solid var(--border);background:linear-gradient(180deg,#ffffff05,#ffffff03),var(--surface);color:var(--text);border-radius:14px;padding:.85rem .9rem;font:inherit;font-size:.87rem;text-align:left;line-height:1.45;cursor:pointer;transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease,background .16s ease}.starter-card:hover{transform:translateY(-1px);border-color:#5f7cff6b;box-shadow:0 12px 24px #38bdf814,0 16px 28px #8b5cf614}.message{display:flex;margin-bottom:1rem;animation:fade-up .18s ease}.message.assistant{justify-content:flex-start}.message.user{justify-content:flex-end}.bubble{max-width:min(84%,760px);border-radius:var(--radius);border:1px solid var(--border);padding:.9rem 1rem;white-space:pre-wrap;word-break:break-word;overflow-wrap:anywhere;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}.message.streaming .bubble{border-color:color-mix(in srgb,var(--accent-cyan) 28%,var(--border));box-shadow:0 0 0 1px #38bdf80f,0 10px 28px #38bdf814,0 16px 34px #8b5cf614}.message-actions{display:flex;justify-content:flex-end;margin-bottom:.35rem;position:relative;gap:.4rem}.message-action-btn{border:1px solid var(--border);background:transparent;color:var(--text-muted);border-radius:7px;font:inherit;font-size:.72rem;padding:.15rem .45rem;cursor:pointer}.message-action-btn:hover{color:var(--text);border-color:var(--accent);box-shadow:0 8px 18px #38bdf814,0 10px 20px #8b5cf614}.menu-trigger{min-width:34px;padding-inline:.35rem}.message-menu{position:absolute;top:calc(100% + .35rem);right:0;min-width:144px;border:1px solid var(--border);background:#111111fa;border-radius:10px;padding:.3rem;display:grid;gap:.2rem;box-shadow:0 16px 32px #00000047;z-index:12}.message-menu-item{border:0;background:transparent;color:var(--text);text-align:left;border-radius:8px;padding:.45rem .55rem;font:inherit;font-size:.8rem;cursor:pointer}.message-menu-item:hover{background:#ffffff0d}.message.user .bubble{background:var(--user-bubble)}.message.assistant .bubble{background:var(--assistant-bubble)}.bubble p{margin:0 0 .75rem}.bubble p:last-child,.bubble ul:last-child,.bubble ol:last-child,.bubble h3:last-child,.bubble h4:last-child,.bubble h5:last-child{margin-bottom:0}.bubble code{font-family:IBM Plex Mono,monospace;background:#242424;border:1px solid #303030;border-radius:6px;padding:.08rem .35rem;font-size:.89em}.inline-strong{font-weight:700;color:#fff}.inline-link{color:#8eb8ff;text-decoration:underline;text-decoration-color:#8eb8ff6b;text-underline-offset:.16rem}.markdown-heading{margin:0 0 .75rem;font-size:1rem;line-height:1.35}.markdown-list{margin:0 0 .85rem;padding-left:1.2rem;display:grid;gap:.28rem}.markdown-blockquote{margin:0 0 .85rem;padding:.1rem 0 .1rem .9rem;border-left:3px solid rgba(95,124,255,.34);color:#c7d3f7}.markdown-table-wrap{margin:0 0 .9rem;overflow-x:auto}.markdown-table{width:100%;min-width:380px;border-collapse:collapse}.markdown-table th,.markdown-table td{text-align:left;padding:.5rem .6rem;border-bottom:1px solid rgba(255,255,255,.08)}.markdown-table th{color:#cfd8ff;font-family:IBM Plex Mono,monospace;font-size:.74rem;letter-spacing:.04em;text-transform:uppercase}.markdown-paragraph{margin:0 0 .75rem}.panel-block{border:1px solid #2b3344;border-radius:12px;margin:.55rem 0 .75rem;background:linear-gradient(180deg,#141820,#12151c);overflow:hidden;animation:rise-in .24s ease}.panel-header{width:100%;border:0;font-family:IBM Plex Mono,monospace;font-size:.76rem;letter-spacing:.04em;text-transform:uppercase;color:#c8d4ff;padding:.5rem .75rem;border-bottom:1px solid rgba(95,124,255,.22);background:linear-gradient(90deg,#38bdf81f,#8b5cf61f),#8aa7ff0a;display:flex;align-items:center;justify-content:space-between;cursor:pointer}.panel-chevron{transition:transform .16s ease}.panel-header-actions{display:inline-flex;align-items:center;gap:.55rem}.panel-copy-btn{border:1px solid rgba(95,124,255,.24);border-radius:999px;padding:.16rem .5rem;color:#dce6ff;font-size:.67rem;line-height:1;text-transform:none}.panel-chevron.collapsed{transform:rotate(-90deg)}.panel-body{padding:.65rem .8rem .1rem}.code-panel-body{padding:0}.code-pre{margin:0;padding:.85rem 1rem;overflow-x:auto}.code-pre code{display:block;background:transparent;border:0;padding:0;font-size:.9rem;line-height:1.58;color:#e6e6e6;white-space:pre}.code-line{display:inline}.code-token-keyword{color:#c792ff}.code-token-string{color:#9ef0a8}.code-token-comment{color:#7d8aa5}.code-token-number{color:#ffcb8b}.code-token-type{color:#82cfff}.message.error .bubble{border-color:#4a2e2e;color:#ffc6c6}.think-token{font-family:IBM Plex Mono,monospace;color:#9ab8ff;background:#182034;border:1px solid #263350;border-radius:6px;padding:.08rem .34rem}.typing-caret{display:inline-block;width:.54ch;height:1.05em;margin-left:.08rem;vertical-align:text-bottom;border-radius:2px;background:#d6d6d6;animation:caret-blink .9s steps(1,end) infinite}.message-meta{margin-top:.5rem;color:var(--text-muted);font-family:IBM Plex Mono,monospace;font-size:.7rem;opacity:.78}.response-metrics{margin-top:.35rem;display:flex;gap:.55rem;flex-wrap:wrap;color:var(--text-muted);font-family:IBM Plex Mono,monospace;font-size:.7rem}.scroll-down-btn{position:sticky;left:calc(100% - 10.75rem);bottom:1rem;margin-left:auto;margin-right:1.25rem;border:1px solid var(--border);background:#111111e6;color:var(--text);border-radius:999px;padding:.55rem .85rem;font:inherit;font-size:.8rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);cursor:pointer;box-shadow:0 12px 30px #00000042;animation:fade-up .18s ease}.scroll-down-btn:hover{border-color:#5f7cff6b}.composer-wrap{border-top:1px solid var(--border);padding:1rem 1rem 1.1rem;background:#101010}.composer-context{width:100%;max-width:980px;margin:0 auto .55rem;display:flex;gap:.45rem;flex-wrap:wrap}.context-chip{border:1px solid var(--border);background:#ffffff08;color:var(--text-muted);border-radius:999px;padding:.28rem .62rem;font-family:IBM Plex Mono,monospace;font-size:.73rem;line-height:1}.context-chip.primary{color:var(--text)}.context-chip.online{color:#bff4d8;border-color:#39d98a47;background:#39d98a14}.context-chip.offline{color:#ffbdbd;border-color:#ff5d6c3d;background:#ff5d6c14}.context-chip.streaming{color:#d8deff;border-color:#5f7cff3d;background:linear-gradient(90deg,#38bdf814,#8b5cf61a),#5f7cff0f}.context-stop-btn{border:1px solid rgba(255,93,108,.26);background:#ff5d6c14;color:#ffc2c8;border-radius:999px;padding:.28rem .68rem;font-family:IBM Plex Mono,monospace;font-size:.73rem;cursor:pointer}.context-stop-btn:hover{border-color:#ff5d6c6b;background:#ff5d6c1f}.composer{width:100%;max-width:980px;margin:0 auto;display:grid;grid-template-columns:1fr auto;gap:.75rem;border:1px solid var(--border);background:var(--surface);border-radius:16px;padding:.65rem}.composer-actions{display:grid;grid-auto-flow:column;gap:.55rem;align-items:stretch}.composer-secondary-btn{min-width:74px;border:1px solid var(--border);border-radius:10px;background:transparent;color:var(--text-muted);font:inherit;cursor:pointer}.composer-secondary-btn:hover:not(:disabled){color:var(--text);border-color:var(--accent)}.composer-secondary-btn:disabled{opacity:.45;cursor:not-allowed}#chat-input{width:100%;resize:none;max-height:38vh;min-height:40px;border:0;outline:0;background:transparent;color:var(--text);font:inherit;line-height:1.5;padding:.45rem .25rem}#chat-input::placeholder{color:#8f8f8f}.send-btn{min-width:86px;border:1px solid var(--border);border-radius:10px;background:var(--surface-soft);color:var(--text);font:inherit;font-weight:500;cursor:pointer;transition:filter .12s ease,opacity .12s ease}.send-btn:hover{filter:brightness(1.08);border-color:var(--accent);box-shadow:0 10px 22px #38bdf817,0 14px 28px #8b5cf61f}.send-btn:disabled{opacity:.6;cursor:not-allowed}.composer-note{max-width:980px;margin:.5rem auto 0;font-size:.8rem;color:var(--text-muted);font-family:IBM Plex Mono,monospace}.settings-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000085;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:grid;place-items:center;padding:1rem;z-index:30}.settings-modal{width:min(980px,100%);max-height:min(88vh,780px);overflow:auto;background:#121212;border:1px solid var(--border);border-radius:16px;box-shadow:0 24px 60px #00000073}.report-modal{width:min(720px,100%)}.settings-header{display:flex;align-items:center;justify-content:space-between;padding:.9rem 1rem;border-bottom:1px solid var(--border)}.settings-header h2{margin:0;font-size:1rem}.settings-grid{padding:1rem;display:grid;gap:.75rem;grid-template-columns:repeat(2,minmax(0,1fr))}.settings-section{border:1px solid var(--border);background:#151515;border-radius:12px;padding:.75rem;display:grid;gap:.55rem;align-content:start}.settings-section h3{margin:0 0 .2rem;font-size:.88rem;color:#d3d3d3;letter-spacing:.02em}.settings-model-list{display:grid;gap:.7rem}.settings-model-item{border:1px solid var(--border);border-radius:10px;padding:.65rem;display:grid;gap:.5rem;background:#ffffff05}.settings-model-name{display:flex;align-items:center;gap:.5rem;font-weight:600}.settings-row{display:flex;gap:.5rem;flex-wrap:wrap}.endpoint-test-note.ok{color:#9de5bf}.endpoint-test-note.error{color:#ffb7b7}.secondary-btn{border:1px solid var(--border);background:#121212;color:var(--text);border-radius:8px;font:inherit;font-size:.8rem;padding:.4rem .6rem;cursor:pointer}.model-link-btn{border:1px solid var(--border);background:#151515;color:var(--text);border-radius:8px;min-width:76px;font:inherit;font-size:.8rem;padding:.42rem .6rem;text-decoration:none;text-align:center}.secondary-btn:hover,.model-link-btn:hover{border-color:var(--accent)}.model-menu-actions .chat-action-btn{width:auto;min-width:76px;height:32px;padding:0 .7rem;font-size:.76rem}.secondary-btn.danger:hover{border-color:#9a4f4f;color:#ffbcbc}.settings-toggle{display:flex;align-items:center;gap:.55rem;font-size:.86rem;color:#c4c4c4}.settings-toggle input{accent-color:var(--accent)}.setting-hint{margin:0;color:var(--text-muted);font-size:.77rem;line-height:1.45}.report-form{padding:1rem;display:grid;gap:.75rem}.report-meta{display:flex;gap:.65rem;flex-wrap:wrap;color:var(--text-muted);font-family:IBM Plex Mono,monospace;font-size:.76rem}.color-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem}.color-row label{display:grid;gap:.3rem;font-size:.76rem;color:#bdbdbd}.color-row input[type=color]{width:100%;height:34px;border:1px solid var(--border);border-radius:8px;background:#0f0f0f}input[type=range]{accent-color:var(--accent)}.hidden-input{display:none}.toast{position:fixed;right:1rem;bottom:1rem;border:1px solid var(--border);background:#121212;color:var(--text);border-radius:10px;padding:.5rem .7rem;font-size:.82rem;z-index:40;animation:fade-up .17s ease}html[data-theme=light]{color-scheme:light}html[data-theme=light] body{background:radial-gradient(circle at 20% 20%,rgba(83,194,255,.1),transparent 24%),radial-gradient(circle at 80% 18%,rgba(147,51,234,.08),transparent 22%),radial-gradient(circle at 50% 85%,rgba(71,185,255,.08),transparent 28%),#f7f4ef;color:#34312d}html[data-theme=light] body:before{background:radial-gradient(circle at 12% 18%,rgba(255,255,255,.95),transparent 22%),radial-gradient(circle at 85% 30%,rgba(255,255,255,.75),transparent 24%),radial-gradient(circle at 40% 76%,rgba(255,255,255,.8),transparent 30%);filter:blur(26px)}html[data-theme=light] .sidebar{background:#ffffff85;border-right-color:#827b732e;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}html[data-theme=light] .app-title,html[data-theme=light] .topbar-title{color:#5b5550}html[data-theme=light] .topbar{background:transparent;border-bottom-color:transparent;-webkit-backdrop-filter:none;backdrop-filter:none;padding-top:1.35rem}html[data-theme=light] .chat-layout:before{opacity:1;background:linear-gradient(90deg,#36b8ff,#4a7dff 42%,#8a3cff);box-shadow:0 0 12px #5888ff40}html[data-theme=light] .model-badge,html[data-theme=light] .topbar-settings-btn,html[data-theme=light] .icon-btn,html[data-theme=light] .new-chat-btn,html[data-theme=light] .chat-action-btn,html[data-theme=light] .secondary-btn,html[data-theme=light] .model-link-btn,html[data-theme=light] .sidebar-input,html[data-theme=light] .sidebar-textarea,html[data-theme=light] .settings-modal,html[data-theme=light] .settings-section,html[data-theme=light] .settings-model-item,html[data-theme=light] .model-menu,html[data-theme=light] .model-menu-item,html[data-theme=light] .toast{background:#ffffff9e;color:#3e3934;border-color:#746b622e;box-shadow:0 10px 30px #827b7314}html[data-theme=light] .chat-list-item{background:#ffffff8c;color:#3f3a35;border-color:#746b6229}html[data-theme=light] .chat-list-item:hover,html[data-theme=light] .chat-list-item-wrap.active .chat-list-item{background:#ffffffd1}html[data-theme=light] .model-menu-item.active{border-color:#5f7cff42}html[data-theme=light] .welcome-panel{background:#ffffff73;border-color:#746b621f;box-shadow:0 30px 50px #b3ada41f}html[data-theme=light] .starter-card{background:#ffffff94;color:#403b36;border-color:#746b621f;box-shadow:0 10px 22px #aba59c14}html[data-theme=light] .starter-card:hover{border-color:#5f7cff38}html[data-theme=light] .message{margin-bottom:1.8rem}html[data-theme=light] .bubble{border-color:#6e676114;background:#ffffff80;box-shadow:0 10px 28px #aba59c1f}html[data-theme=light] .message.assistant .bubble{position:relative;background:#f1efebeb;color:#44403b}html[data-theme=light] .scroll-down-btn,html[data-theme=light] .context-chip{background:#ffffffb8;color:#5e5851;border-color:#746b6224;box-shadow:0 10px 26px #aba59c1f}html[data-theme=light] .context-chip.primary{color:#3f3a35}html[data-theme=light] .context-chip.online{color:#2d7b59;background:#39d98a1a}html[data-theme=light] .context-chip.offline{color:#a14a56;background:#ff5d6c14}html[data-theme=light] .context-chip.streaming{color:#4f5fb6;background:#6f85ff1a}html[data-theme=light] .inline-strong{color:#3c2f73}html[data-theme=light] .message.assistant .bubble:before{content:"";position:absolute;inset:0 auto 0 0;width:4px;border-radius:inherit;background:linear-gradient(180deg,#3dbdff,#8a3cff);box-shadow:0 0 12px #5a7eff47}html[data-theme=light] .message.user .bubble{background:#f1efebb8;color:#44403b}html[data-theme=light] .message-action-btn,html[data-theme=light] .status-indicator,html[data-theme=light] .composer-note,html[data-theme=light] .setting-hint,html[data-theme=light] .sidebar-label,html[data-theme=light] .report-meta{color:#6a645e}html[data-theme=light] .message-menu{background:#fffffff5;border-color:#746b6224;box-shadow:0 16px 30px #aba59c2e}html[data-theme=light] .message-menu-item{color:#403b36}html[data-theme=light] .message-menu-item:hover{background:#6f85ff14}html[data-theme=light] .bubble code,html[data-theme=light] .panel-block{background:#f8f6f3eb;border-color:#746b6229;color:#403b36}html[data-theme=light] .panel-header{color:#5c66c7;background:#669dff14;border-bottom-color:#669dff2e}html[data-theme=light] .model-beta-tag{color:#5766c4;border-color:#5f7cff33;background:#5f7cff14}html[data-theme=light] .inline-link{color:#4863ce;text-decoration-color:#4863ce52}html[data-theme=light] .code-pre code{color:#403b36}html[data-theme=light] .message-meta,html[data-theme=light] .response-metrics{color:#7b746c}html[data-theme=light] .composer-secondary-btn{color:#6a645e;border-color:#746b6229;background:#fff6}html[data-theme=light] .context-stop-btn{color:#a14a56;border-color:#ff5d6c38;background:#ff5d6c14}html[data-theme=light] .composer-wrap{background:transparent;border-top-color:transparent;padding-bottom:2rem}html[data-theme=light] .composer{max-width:740px;background:#fffffff0;border-radius:999px;border:2px solid rgba(122,97,255,.38);box-shadow:0 0 0 1px #ffffffbf inset,-8px 10px 18px #36b8ff38,12px 12px 22px #8a3cff29}html[data-theme=light] #chat-input{color:#3f3a35}html[data-theme=light] #chat-input::placeholder{color:#8f877f}html[data-theme=light] .send-btn{background:linear-gradient(135deg,#3dbdff,#7b52ff);color:#fff;border-color:transparent;box-shadow:0 10px 18px #626cff38}html[data-theme=light] .send-btn:hover{filter:brightness(1.04);border-color:transparent}@keyframes fade-up{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes caret-blink{0%,45%{opacity:1}46%,to{opacity:0}}@keyframes rise-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes status-pulse{0%,to{transform:scale(1);opacity:.94}50%{transform:scale(1.18);opacity:1}}@media (max-width: 900px){.app-shell,.app-shell.sidebar-collapsed{grid-template-columns:1fr}.sidebar-backdrop{opacity:1;pointer-events:auto}.sidebar{position:fixed;inset:0 auto 0 0;width:260px;z-index:14;transform:translate(-100%);opacity:0;pointer-events:none}.sidebar.open{transform:translate(0);opacity:1;pointer-events:auto}.chat-container{padding:1.3rem .8rem .75rem}.model-badge{max-width:38%;font-size:.72rem}.model-menu{right:-3.5rem;width:min(360px,92vw)}.model-menu-item{grid-template-columns:1fr}.model-menu-actions{max-width:none;justify-content:flex-start}.topbar-settings-btn{padding:0 .55rem;font-size:.78rem}.settings-grid{grid-template-columns:1fr}.bubble{max-width:94%}.composer-wrap{padding:.75rem}.composer{grid-template-columns:1fr}.composer-actions{grid-auto-flow:column;grid-template-columns:1fr auto}.starter-grid{grid-template-columns:1fr}.scroll-down-btn{left:auto;right:0;margin-right:.8rem;bottom:.75rem}}