:root{--lc-primary: #0a0a0a;--lc-on-primary: #ffffff;--lc-brand: #00d4a4;--lc-brand-deep: #00b48a;--lc-brand-soft: #7cebcb;--lc-brand-tag: #3772cf;--lc-hero-from: #87a8c8;--lc-hero-to: #f5e9d8;--lc-hero-dark-from: #1a3d4a;--lc-hero-dark-to: #2d5a4f;--lc-canvas: #ffffff;--lc-canvas-dark: #0a0a0a;--lc-surface: #f7f7f7;--lc-surface-soft: #fafafa;--lc-surface-bone: #f7f7f7;--lc-surface-card: #ffffff;--lc-surface-code: #1c1c1e;--lc-hairline: #e5e5e5;--lc-hairline-soft: #ededed;--lc-hairline-strong: #0a0a0a;--lc-ink: #0a0a0a;--lc-body: #3a3a3c;--lc-charcoal: #1c1c1e;--lc-slate: #3a3a3c;--lc-steel: #5a5a5c;--lc-mute: #888888;--lc-ash: #a8a8aa;--lc-stone: #bbbbbb;--lc-on-dark: #ffffff;--lc-on-dark-muted: #b3b3b3;--lc-success: #1ba673;--lc-error: #d45656;--lc-warn: #c37d0d;--lc-link: #00b48a;--lc-font-display: "Inter", system-ui, sans-serif;--lc-font-body: "Inter", system-ui, sans-serif;--lc-font-mono: "JetBrains Mono", monospace;--lc-r-xs: 4px;--lc-r-sm: 6px;--lc-r-md: 8px;--lc-r-lg: 12px;--lc-r-full: 9999px;--lc-sp-sm: 8px;--lc-sp-md: 12px;--lc-sp-lg: 16px;--lc-sp-xl: 24px;--lc-sp-xxl: 32px;--lc-shadow-soft: 0 4px 16px rgba(10, 10, 10, .06);--lc-shadow-card: 0 8px 30px rgba(10, 10, 10, .08);--lc-shadow-3d: 0 12px 40px rgba(0, 212, 164, .12), 0 4px 12px rgba(10, 10, 10, .06);--lc-shadow-focus: 0 0 0 3px rgba(0, 212, 164, .25);--gold: var(--lc-brand);--gold-light: var(--lc-brand-soft);--gold-lt: var(--lc-brand-deep);--gold-glow: var(--lc-brand-soft);--gold2: var(--lc-brand-soft);--gold-dim: rgba(0, 212, 164, .1);--gld2: var(--lc-brand-soft);--bg: var(--lc-canvas);--bg2: var(--lc-surface);--bg3: var(--lc-surface-card);--bg4: var(--lc-surface-soft);--bg5: var(--lc-surface);--bg-mid: var(--lc-surface-soft);--bg-panel: var(--lc-surface-card);--bg-card: var(--lc-surface-card);--bg-input: var(--lc-canvas);--ivory: var(--lc-ink);--ivory-mid: var(--lc-steel);--ivory-dim: var(--lc-mute);--iv80: var(--lc-body);--iv60: var(--lc-steel);--iv55: var(--lc-steel);--iv35: var(--lc-mute);--iv30: var(--lc-mute);--iv15: var(--lc-ash);--iv12: var(--lc-hairline);--iv08: var(--lc-hairline-soft);--border: var(--lc-hairline);--border-hi: rgba(0, 212, 164, .45);--brd: var(--lc-hairline);--brd2: rgba(0, 212, 164, .35);--blue: var(--lc-brand);--blue2: var(--lc-brand-soft);--cyan: var(--lc-brand);--card-bg: var(--lc-surface-card);--input-bg: var(--lc-canvas);--lc-primary-deep: var(--lc-brand-deep);--lc-hero-glow: var(--lc-brand-soft);--lc-hero-pink: var(--lc-hero-to)}.lc-auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--lc-sp-xl);font-family:var(--lc-font-body);position:relative;overflow:hidden;background:linear-gradient(160deg,var(--lc-hero-from) 0%,var(--lc-hero-to) 45%,var(--lc-canvas) 100%)}.lc-auth-page:before{content:"";position:fixed;inset:0;background:radial-gradient(ellipse 80% 60% at 20% 10%,rgba(0,212,164,.12) 0%,transparent 50%),radial-gradient(ellipse 60% 50% at 90% 80%,rgba(135,168,200,.25) 0%,transparent 55%);pointer-events:none;z-index:0;animation:lcSkyDrift 18s ease-in-out infinite alternate}@keyframes lcSkyDrift{0%{opacity:.85;transform:scale(1)}to{opacity:1;transform:scale(1.03)}}.lc-auth-card{position:relative;z-index:1;width:100%;max-width:420px;background:var(--lc-surface-card);border:1px solid var(--lc-hairline);border-radius:var(--lc-r-lg);box-shadow:var(--lc-shadow-card);padding:var(--lc-sp-xxl) var(--lc-sp-xl)}.lc-auth-brand{text-align:center;margin-bottom:var(--lc-sp-xl)}.lc-auth-brand h1{font-family:var(--lc-font-display);font-size:1.65rem;font-weight:600;letter-spacing:-.03em;color:var(--lc-ink);margin:0 0 8px}.lc-auth-brand p{font-size:14px;color:var(--lc-steel);margin:0}.lc-auth-mark{width:52px;height:52px;margin:0 auto 16px;border-radius:var(--lc-r-md);background:linear-gradient(135deg,var(--lc-brand),var(--lc-brand-deep));display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--lc-primary);font-weight:700;box-shadow:var(--lc-shadow-3d)}.lc-label{display:block;font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--lc-steel);margin-bottom:6px}.lc-input{width:100%;height:44px;padding:0 16px;border-radius:var(--lc-r-md);border:1px solid var(--lc-hairline);background:var(--lc-canvas);color:var(--lc-ink);font-size:15px;font-family:inherit;transition:border-color .2s,box-shadow .2s}.lc-input:focus{outline:none;border-color:var(--lc-brand);box-shadow:var(--lc-shadow-focus)}.lc-input.error{border-color:var(--lc-error)}.lc-btn-primary{width:100%;height:44px;border:none;border-radius:var(--lc-r-full);background:var(--lc-primary);color:var(--lc-on-primary);font-size:15px;font-weight:600;font-family:inherit;cursor:pointer;transition:background .2s,transform .15s}.lc-btn-primary:hover:not(:disabled){background:var(--lc-charcoal);transform:translateY(-1px)}.lc-btn-accent{background:var(--lc-brand);color:var(--lc-primary)}.lc-btn-accent:hover:not(:disabled){background:var(--lc-brand-deep)}.lc-btn-primary:disabled{opacity:.5;cursor:not-allowed}.lc-btn-ghost{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--lc-r-md);border:1px solid var(--lc-hairline);background:var(--lc-surface-card);color:var(--lc-body);font-size:14px;font-weight:600;font-family:inherit;cursor:pointer;text-decoration:none;transition:border-color .2s,color .2s}.lc-btn-ghost:hover{border-color:var(--lc-brand);color:var(--lc-ink)}.lc-link{color:var(--lc-link);font-weight:600;cursor:pointer}.lc-form-group{margin-bottom:var(--lc-sp-lg)}.lc-error-text{font-size:12px;color:var(--lc-error);margin-top:4px}.lc-alert-error{padding:12px 16px;border-radius:var(--lc-r-md);background:#d4565614;border:1px solid rgba(212,86,86,.25);color:var(--lc-error);font-size:14px;margin-bottom:var(--lc-sp-lg)}.lc-form-footer{text-align:center;margin-top:var(--lc-sp-xl);font-size:14px;color:var(--lc-steel)}.lc-search-pill{height:44px;padding:0 18px;border-radius:var(--lc-r-md);border:1px solid var(--lc-hairline);background:var(--lc-surface);color:var(--lc-ink);font-size:15px;transition:border-color .2s,box-shadow .2s,background .2s}.lc-search-pill:focus{outline:none;border-color:var(--lc-brand);background:var(--lc-canvas);box-shadow:var(--lc-shadow-focus)}.lc-search-pill::placeholder{color:var(--lc-mute)}@keyframes lcFadeUp{0%{opacity:0;transform:translateY(24px) translateZ(-20px)}to{opacity:1;transform:translateY(0) translateZ(0)}}@keyframes lcScaleIn{0%{opacity:0;transform:scale(.92) rotateX(8deg)}to{opacity:1;transform:scale(1) rotateX(0)}}@keyframes lcFloat{0%,to{transform:translateZ(0) rotate(0)}33%{transform:translate3d(12px,-18px,20px) rotate(3deg)}66%{transform:translate3d(-10px,10px,-10px) rotate(-2deg)}}@keyframes lcFloatSlow{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-20px) rotate(6deg)}}@keyframes lcOrbit{0%{transform:rotate(0) translate(80px) rotate(0)}to{transform:rotate(360deg) translate(80px) rotate(-360deg)}}@keyframes lcPulseGlow{0%,to{opacity:.5;transform:scale(1)}50%{opacity:.85;transform:scale(1.08)}}@keyframes lcShimmer{0%{transform:translate(-120%) skew(-12deg)}45%,to{transform:translate(220%) skew(-12deg)}}@keyframes lcSlideInRight{0%{opacity:0;transform:translate(16px) rotateY(-6deg)}to{opacity:1;transform:translate(0) rotateY(0)}}@keyframes lcSlideInLeft{0%{opacity:0;transform:translate(-16px) rotateY(6deg)}to{opacity:1;transform:translate(0) rotateY(0)}}@keyframes lcBarGrow{0%{transform:scaleY(0)}to{transform:scaleY(1)}}.lc-scene{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden;perspective:1200px}.lc-scene-grid{position:absolute;inset:0;background-image:linear-gradient(var(--lc-hairline) 1px,transparent 1px),linear-gradient(90deg,var(--lc-hairline) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,black 20%,transparent 75%);mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,black 20%,transparent 75%);opacity:.45;transform:rotateX(58deg) translateY(-12%) scale(1.4);transform-origin:center top}.lc-shape{position:absolute;border-radius:var(--lc-r-lg);transform-style:preserve-3d;animation:lcFloat 18s ease-in-out infinite;box-shadow:var(--lc-shadow-soft)}.lc-shape-1{width:100px;height:100px;top:12%;left:8%;background:linear-gradient(135deg,#00d4a433,#87a8c826);border:1px solid rgba(0,212,164,.2);animation-duration:22s}.lc-shape-2{width:64px;height:64px;top:55%;right:10%;border-radius:50%;background:#f4a8a073;animation-delay:-4s;animation-duration:16s}.lc-shape-3{width:140px;height:48px;bottom:18%;left:15%;border-radius:var(--lc-r-full);background:var(--lc-surface-card);border:1px solid var(--lc-hairline);animation-delay:-8s;animation-duration:20s}.lc-shape-ring{position:absolute;top:20%;right:18%;width:120px;height:120px;border:2px solid rgba(0,212,164,.25);border-radius:50%;animation:lcOrbit 28s linear infinite;transform-origin:center}.lc-card-3d{transform-style:preserve-3d;transition:transform .45s cubic-bezier(.23,1,.32,1),box-shadow .45s ease;will-change:transform}.lc-card-3d:after{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(125deg,rgba(255,255,255,.35) 0%,transparent 40%,transparent 60%,rgba(234,40,4,.06) 100%);pointer-events:none;opacity:0;transition:opacity .35s}.lc-card-3d:hover:after{opacity:1}.lc-stagger>*{animation:lcFadeUp .65s cubic-bezier(.22,1,.36,1) backwards}.lc-stagger>*:nth-child(1){animation-delay:.05s}.lc-stagger>*:nth-child(2){animation-delay:.12s}.lc-stagger>*:nth-child(3){animation-delay:.19s}.lc-stagger>*:nth-child(4){animation-delay:.26s}.lc-stagger>*:nth-child(5){animation-delay:.33s}.lc-stagger>*:nth-child(6){animation-delay:.4s}.lc-animate-in{animation:lcScaleIn .7s cubic-bezier(.22,1,.36,1) backwards}.lc-animate-fade-up{animation:lcFadeUp .6s cubic-bezier(.22,1,.36,1) backwards}.lc-btn-3d{position:relative;transform-style:preserve-3d;transition:transform .2s ease,box-shadow .2s ease;box-shadow:0 4px 0 var(--lc-brand-deep),0 8px 20px #00d4a447}.lc-btn-3d:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 0 var(--lc-primary-deep),0 14px 28px #ea280452}.lc-btn-3d:active:not(:disabled){transform:translateY(2px);box-shadow:0 1px 0 var(--lc-primary-deep),0 4px 12px #ea280433}.lc-btn-3d:before{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(180deg,rgba(255,255,255,.2) 0%,transparent 50%);pointer-events:none}.lc-mark-3d{animation:lcFloatSlow 5s ease-in-out infinite;transform-style:preserve-3d;box-shadow:0 12px 24px #ea28044d,0 0 0 1px #fff3 inset}.lc-tier-3d{transform-style:preserve-3d;transition:transform .4s cubic-bezier(.23,1,.32,1),box-shadow .4s ease}.lc-tier-3d:hover{transform:perspective(900px) rotateX(-4deg) translateY(-10px) scale(1.02);box-shadow:var(--lc-shadow-3d)}.lc-msg-enter.user{animation:lcSlideInRight .45s cubic-bezier(.22,1,.36,1) backwards}.lc-msg-enter.assistant{animation:lcSlideInLeft .5s cubic-bezier(.22,1,.36,1) backwards}.lc-suggest-3d{transform-style:preserve-3d;transition:transform .3s ease,box-shadow .3s ease,border-color .3s}.lc-suggest-3d:hover{transform:perspective(600px) rotateX(-6deg) translateY(-6px);box-shadow:var(--lc-shadow-3d);border-color:#ea280440}.lc-bar-animate .bar-fill{transform-origin:bottom;animation:lcBarGrow .8s cubic-bezier(.22,1,.36,1) backwards}.lc-bar-animate .bar-col:nth-child(odd) .bar-fill{animation-delay:.05s}.lc-bar-animate .bar-col:nth-child(2n) .bar-fill{animation-delay:.1s}.lc-shimmer-wrap{position:relative;overflow:hidden}.lc-shimmer-wrap:after{content:"";position:absolute;top:0;left:0;width:45%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);animation:lcShimmer 3.5s ease-in-out infinite;pointer-events:none}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.lc-scene,.lc-shape,.lc-shape-ring{display:none}}.ai-markdown{font-family:var(--lc-font-body);font-size:14.5px;line-height:1.55;color:var(--lc-body);word-break:break-word;white-space:normal;display:block;animation:mdFadeIn .45s ease-out both}.message-text .ai-markdown,.message-text:has(.ai-markdown){white-space:normal}@keyframes mdFadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.ai-markdown h1,.ai-markdown h2,.ai-markdown h3,.ai-markdown h4{font-family:var(--lc-font-display);font-weight:700;line-height:1.4;color:var(--lc-ink)}.ai-markdown h1{font-size:1.25rem;margin:.65rem 0 .4rem;padding-bottom:.35rem;border-bottom:2px solid var(--lc-brand)}.ai-markdown h2{font-size:1.05rem;margin:.6rem 0 .3rem;padding:.3rem .55rem;background:linear-gradient(135deg,#00d4a414,#00d4a405);border-left:3px solid var(--lc-brand);border-radius:0 var(--lc-r-md) var(--lc-r-md) 0}.ai-markdown h3{font-size:.98rem;margin:.45rem 0 .25rem;color:var(--lc-charcoal)}.ai-markdown h4{font-size:.92rem;margin:.35rem 0 .2rem;color:var(--lc-slate)}.ai-markdown p{margin:0 0 .4rem}.ai-markdown p:last-child{margin-bottom:0}.ai-markdown p:empty{display:none;margin:0}.ai-markdown ul,.ai-markdown ol{margin:.25rem 0 .45rem;padding-left:1.2rem}.ai-markdown li{margin-bottom:.15rem;line-height:1.55}.ai-markdown li>p{margin:0}.ai-markdown li::marker{color:var(--lc-brand-deep);font-weight:700}.ai-markdown strong,.ai-markdown b{font-weight:600;color:var(--lc-ink);background:transparent;padding:0;border-radius:0}.ai-markdown em,.ai-markdown i{color:var(--lc-slate)}.ai-markdown blockquote{margin:.85rem 0;padding:.75rem 1rem;background:var(--lc-surface);border-left:3px solid var(--lc-brand);border-radius:0 var(--lc-r-md) var(--lc-r-md) 0;color:var(--lc-slate);font-style:italic}.ai-markdown table{width:100%;border-collapse:collapse;margin:.85rem 0 1rem;font-size:13.5px;border:1px solid var(--lc-hairline);border-radius:var(--lc-r-md);overflow:hidden}.ai-markdown thead tr{background:linear-gradient(135deg,#00d4a424,#00d4a40f)}.ai-markdown th{padding:.6rem .75rem;text-align:left;font-size:12px;font-weight:700;color:var(--lc-ink);border-bottom:1px solid var(--lc-hairline)}.ai-markdown td{padding:.55rem .75rem;border-bottom:1px solid var(--lc-hairline-soft);color:var(--lc-body);vertical-align:top}.ai-markdown tr:last-child td{border-bottom:none}.ai-markdown tr:hover td{background:#00d4a40a}.ai-markdown hr{border:none;height:1px;margin:1.1rem 0;background:linear-gradient(90deg,transparent,var(--lc-hairline),transparent)}.ai-markdown code{font-family:var(--lc-font-mono);font-size:12.5px;background:var(--lc-surface);color:var(--lc-brand-deep);padding:2px 6px;border-radius:4px;border:1px solid var(--lc-hairline)}.ai-markdown pre{background:var(--lc-surface-code);color:var(--lc-on-dark);border-radius:var(--lc-r-md);padding:.85rem 1rem;overflow-x:auto;margin:.75rem 0}.ai-markdown pre code{background:none;border:none;color:inherit;padding:0}.ai-markdown a{color:var(--lc-link);text-decoration:none;border-bottom:1px solid rgba(0,180,138,.35)}.ai-markdown a:hover{color:var(--lc-brand-deep)}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:var(--lc-font-body);font-size:16px;line-height:1.5;color:var(--lc-body);background:var(--lc-canvas);-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{color:var(--lc-ink);font-family:var(--lc-font-display)}a{color:var(--lc-primary)}
