:root{--background: #0a0a0a;--foreground: #fafafa;--card: #171717;--card-foreground: #fafafa;--popover: #171717;--popover-foreground: #fafafa;--primary: #ebebeb;--primary-foreground: #171717;--secondary: #2a2a2a;--secondary-foreground: #fafafa;--muted: #2a2a2a;--muted-foreground: #a3a3a3;--accent: #2a2a2a;--accent-foreground: #fafafa;--destructive: #e5484d;--border: rgba(255, 255, 255, .1);--input: rgba(255, 255, 255, .15);--ring: #6b6b6b;--aura: #1fd5f9;--radius: .625rem;--lk-fg: #1fd5f9;--lk-va-bar-bg: rgba(136, 136, 136, .2);--lk-va-bar-width: 12px;--lk-va-bar-gap: 24px;--lk-va-bar-border-radius: 32px}*{box-sizing:border-box}html,body,#root{margin:0;height:100%}body{font-family:Inter,Segoe UI,system-ui,-apple-system,sans-serif;color:var(--foreground);background:var(--background);-webkit-font-smoothing:antialiased}a{color:var(--aura);text-decoration:none}.brand__dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--aura);margin-right:8px;box-shadow:0 0 10px var(--aura)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;font-weight:600;font-size:14px;padding:9px 18px;border-radius:10px;transition:background .15s ease,opacity .15s ease;font-family:inherit}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--primary{background:var(--primary);color:var(--primary-foreground)}.btn--primary:hover:not(:disabled){background:#fff}.btn--ghost{background:transparent;color:var(--foreground);border:1px solid var(--border)}.btn--ghost:hover:not(:disabled){background:var(--secondary)}.btn--sm{padding:7px 13px;font-size:13px;border-radius:8px}.btn--block{width:100%}.landing{min-height:100%;background:var(--background)}.landing__nav{display:flex;align-items:center;justify-content:space-between;max-width:1120px;margin:0 auto;padding:22px 24px}.landing__brand{font-weight:700;font-size:17px;letter-spacing:-.02em}.landing__links{display:flex;gap:26px}.landing__links a{color:var(--muted-foreground);font-weight:500}.landing__links a:hover{color:var(--foreground)}.hero{max-width:860px;margin:0 auto;text-align:center;padding:84px 24px 52px}.hero__badge{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;color:var(--aura);margin-bottom:24px}.hero__title{font-size:clamp(40px,6vw,62px);line-height:1.05;letter-spacing:-.03em;margin:0 0 20px;font-weight:800}.hero__sub{font-size:18px;color:var(--muted-foreground);line-height:1.6;max-width:600px;margin:0 auto 32px}.hero__actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}.features{max-width:1120px;margin:0 auto;padding:56px 24px 72px}.features__title,.how__title{text-align:center;font-size:30px;letter-spacing:-.02em;margin:0 0 38px;font-weight:800}.features__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.card__icon{font-size:26px;margin-bottom:12px}.card__title{font-size:16px;margin:0 0 8px}.card__body{color:var(--muted-foreground);font-size:14px;line-height:1.55;margin:0}.how{max-width:900px;margin:0 auto;padding:0 24px 72px}.how__steps{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.step{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px;text-align:center;min-width:200px;flex:1}.step__num{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:var(--primary);color:var(--primary-foreground);font-weight:700;margin-bottom:12px}.step p{margin:0;color:var(--muted-foreground);font-size:14px;line-height:1.5}.landing__footer{text-align:center;padding:28px;color:var(--muted-foreground);font-size:13px}.auth-page{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--background)}.auth-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:36px;width:100%;max-width:400px}.auth-card__brand{display:inline-block;font-weight:700;font-size:17px;color:var(--foreground);margin-bottom:22px}.auth-card__title{margin:0 0 6px;font-size:24px;letter-spacing:-.02em}.auth-card__sub{margin:0 0 26px;color:var(--muted-foreground);font-size:14px}.field{display:block;margin-bottom:16px}.field span{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--foreground)}.field input{width:100%;padding:11px 14px;border:1px solid var(--input);border-radius:10px;font-size:15px;font-family:inherit;background:var(--background);color:var(--foreground)}.field input:focus{outline:none;border-color:var(--ring)}.auth-card__error{background:#e5484d1f;color:#fda4af;border:1px solid rgba(229,72,77,.3);border-radius:8px;padding:10px 14px;font-size:13px;margin-bottom:14px}.session{height:100%;display:flex;flex-direction:column;background:var(--background);overflow:hidden}.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 20px}.brand{font-weight:700;font-size:15px;letter-spacing:-.01em}.topbar__user{font-size:13px;color:var(--muted-foreground)}.session__body{flex:1;display:flex;flex-direction:column;min-height:0}.session__transcript{flex:0 1 auto;max-height:40%;overflow-y:auto;width:100%;max-width:42rem;margin:0 auto;padding:8px 20px;display:flex;flex-direction:column;gap:8px}.msg{padding:10px 14px;border-radius:12px;font-size:14px;line-height:1.5;max-width:85%}.msg--user{align-self:flex-end;background:var(--secondary);color:var(--secondary-foreground);border-bottom-right-radius:4px}.msg--assistant{align-self:flex-start;color:var(--foreground)}.msg--live{align-self:flex-start;color:var(--muted-foreground);font-style:italic}.caret{display:inline-block;width:7px;height:14px;margin-left:2px;vertical-align:-2px;background:var(--aura);animation:blink 1s steps(1) infinite}@keyframes blink{50%{opacity:0}}.thinking{align-self:flex-start;display:flex;align-items:center;gap:9px;color:var(--muted-foreground);font-size:13px;padding:4px}.thinking__dot{width:7px;height:7px;border-radius:50%;background:var(--muted-foreground);animation:thinkingPulse 1s ease-in-out infinite}@keyframes thinkingPulse{0%,to{opacity:.3;transform:scale(.8)}50%{opacity:1;transform:scale(1.15)}}.session__stage{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;min-height:0}.session__room{flex:1;display:flex;flex-direction:column;min-height:0}.aura-wrap{display:flex;flex-direction:column;align-items:center;gap:14px}.aura{width:min(440px,58vw,34vh);aspect-ratio:1}.visualizer{width:min(440px,58vw,34vh);height:120px;display:flex;align-items:center;justify-content:center}.lk-audio-bar-visualizer{display:flex;align-items:center;justify-content:center;width:100%;height:100%;gap:var(--lk-va-bar-gap, 24px)}.lk-audio-bar-visualizer>.lk-audio-bar{height:100%;width:var(--lk-va-bar-width, 12px);border-radius:var(--lk-va-bar-border-radius, 32px);background-color:var(--lk-va-bar-bg, rgba(136, 136, 136, .2));transition:background-color .25s ease-out}.lk-audio-bar-visualizer[data-lk-va-state=speaking]>.lk-audio-bar,.lk-audio-bar-visualizer>.lk-audio-bar.lk-highlighted,.lk-audio-bar-visualizer>[data-lk-highlighted=true]{background-color:var(--lk-fg, var(--aura));box-shadow:0 0 14px #1fd5f98c;transition:none}.status{font-size:13px;color:var(--muted-foreground);min-height:18px}.session__bottom{display:flex;flex-direction:column;align-items:center;gap:12px;padding:0 16px 22px}.preconnect{margin:0 0 4px;font-size:14px;text-align:center;background:linear-gradient(90deg,var(--muted-foreground) 0%,var(--foreground) 50%,var(--muted-foreground) 100%);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% 100%;animation:shimmer 2.5s linear infinite}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.controlbar{display:inline-flex;align-items:center;gap:6px;background:var(--card);border:1px solid var(--border);border-radius:999px;padding:6px}.ctrl{width:44px;height:44px;border-radius:50%;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s ease}.ctrl--off{background:var(--accent);color:var(--destructive)}.ctrl--off:hover{background:var(--secondary)}.ctrl--on{background:var(--accent);color:var(--accent-foreground)}.ctrl--on:hover{background:var(--secondary)}.ctrl--end{border-radius:999px;padding:0 16px;background:#e5484d1f;color:var(--destructive);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.ctrl--end:hover{background:#e5484d38}.error{color:#fda4af;font-size:13px;text-align:center}.textbar{display:flex;gap:8px;width:100%;max-width:30rem}.textbar input{flex:1;padding:11px 16px;border:1px solid var(--input);border-radius:999px;font-size:14px;font-family:inherit;background:var(--card);color:var(--foreground)}.textbar input:focus{outline:none;border-color:var(--ring)}@media (max-width: 640px){.hero__title{font-size:34px}.landing__links{display:none}.visualizer{width:72vw}.msg{max-width:92%}}@media (prefers-reduced-motion: reduce){.caret,.thinking__dot,.preconnect{animation:none!important}}