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.bubble{position:relative;overflow:hidden}.msg-user .bubble:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(105deg,transparent 40%,rgba(255,255,255,.15) 50%,transparent 60%);background-size:200% 100%;animation:shimmerMove 3.5s ease-in-out infinite;pointer-events:none}.hero-glow{background:radial-gradient(circle,rgba(147,170,210,.06) 0%,rgba(147,170,210,.01) 50%,transparent 70%)!important}.input-row:focus-within{box-shadow:0 4px 20px #00000047,0 0 0 2.5px #93aad224!important}.conv-item:hover{transform:translate(2px);transition:transform .15s var(--smooth)}@media (max-width: 640px){body{overflow:auto}.shell{flex-direction:column;height:100dvh;overflow:hidden}.nav{display:none}.sidebar{position:fixed;top:0;left:0;bottom:0;width:80vw;max-width:300px;transform:translate(-100%);box-shadow:4px 0 36px #93aad21a;z-index:300}.sidebar .sidebar-header{padding-top:calc(18px + env(safe-area-inset-top,0px))}.sidebar.open{transform:translate(0)}.sidebar-overlay{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000040;z-index:299;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.chat-topbar{display:flex;align-items:center;gap:10px;padding:10px 14px;padding-top:calc(10px + env(safe-area-inset-top,0px));border-bottom:1px solid var(--border);flex-shrink:0;background:#13171ed9;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}.chat-topbar-title{flex:1;font-size:.8rem;font-weight:500;color:var(--text-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:center}.chat-topbar-btn{width:32px;height:32px;border-radius:9px;border:none;background:transparent;color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background var(--t),color var(--t)}.chat-topbar-btn svg{width:17px;height:17px}.chat-topbar-btn:hover{background:var(--bg3);color:var(--text-dim)}.main{flex:1;padding-bottom:0;min-height:0;overflow:hidden}.nav-bottom{display:flex;align-items:stretch;background:#0f131af0;backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);border-top:1px solid var(--border);flex-shrink:0;z-index:100;padding-bottom:env(safe-area-inset-bottom,0px)}.nav-bottom-btn{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:10px 4px;font-family:var(--font);font-size:.58rem;font-weight:500;letter-spacing:.04em;transition:color var(--t),background var(--t);position:relative}.nav-bottom-btn svg{width:20px;height:20px}.nav-bottom-btn.active{color:var(--accent)}.nav-bottom-btn.active:before{content:"";position:absolute;top:0;left:50%;transform:translate(-50%);width:26px;height:2px;background:linear-gradient(90deg,transparent,var(--accent),transparent);border-radius:0 0 2px 2px}.messages{padding:16px 0 4px;gap:18px}.msg{padding:0 14px}.msg-user .bubble{max-width:90%}.input-bar{padding:8px 12px calc(12px + env(safe-area-inset-bottom,0px))}.input-wrap{max-width:100%}.input-row{border-radius:24px}.input-bottom-row{gap:6px;align-items:center}.attach-btn,.dictation-btn,.live-btn{width:42px;height:42px;border-radius:12px}.attach-btn svg,.dictation-btn svg,.live-btn svg{width:20px;height:20px}.diamond-btn{width:44px;height:44px}.diamond-btn svg{width:20px;height:20px}.chat-topbar-btn{width:40px;height:40px}.hero{padding-bottom:64px}.view{padding:22px 18px 18px}.settings-view{max-width:100%}.settings-form-row{flex-direction:column}.settings-form-row .form-input{min-width:unset}.settings-row{flex-direction:column;align-items:flex-start}.settings-row-actions{width:100%}}.system-title-row{display:flex;align-items:center;justify-content:flex-end;margin-bottom:4px}.icon-btn{width:28px;height:28px;display:grid;place-items:center;border:1px solid var(--border);background:var(--bg2);color:var(--text-muted);cursor:pointer}.icon-btn:hover{color:var(--text);border-color:var(--border-bright)}.icon-btn:disabled{opacity:.45;cursor:default}.spin{animation:system-spin .8s linear infinite}@keyframes system-spin{to{transform:rotate(360deg)}}.resource-line{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:8px;color:var(--text);font-size:13px}.resource-meter{height:5px;margin-top:12px;overflow:hidden;background:var(--bg3)}.resource-meter span{display:block;height:100%;background:var(--accent);transition:width .25s ease}.capability-section{margin-top:18px}.capability-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:8px;margin-top:9px}.capability-card{min-width:0;padding:12px;border:1px solid var(--border);background:var(--bg2)}.capability-name{color:var(--text);font-size:13px;font-weight:600}.capability-model{margin-top:4px;color:var(--text-muted);font-size:11px;overflow-wrap:anywhere}.capability-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:10px;color:var(--text-muted);font-size:11px}.artifact-file{padding:22px;border:1px solid var(--border2);border-radius:6px;background:var(--bg2)}.artifact-file p{margin-top:10px;color:var(--text-dim);white-space:pre-wrap}