:root{
    --void:#07070a;
    --panel:#101014;
    --panel-2:#17171d;
    --line:#26262e;
    --text:#eceef2;
    --text-dim:#9a9aa6;
    --violet:#ff5b3c;
    --pink:#ff2f6e;
    --orange:#ff9a1f;
    --grad: linear-gradient(100deg, var(--orange), var(--pink) 55%, var(--violet));
    --green:#22c55e;
    --danger:#f43f5e;
    --radius:14px;
  }
  *{box-sizing:border-box;margin:0;padding:0;}
  html,body{height:100%;}
  body{
    font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
    background:var(--void);
    color:var(--text);
    overflow:hidden;
    -webkit-tap-highlight-color: transparent;
  }
  h1,h2,h3,.display{font-family:'Space Grotesk',sans-serif;}
  button{font-family:inherit;}
  #starfield{position:fixed;inset:0;z-index:0;display:block;}

  /* ---------- AMBIENT BACKGROUND LAYERS ---------- */
  .aurora-layer{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none;}
  .aurora{position:absolute;border-radius:50%;filter:blur(100px);opacity:.28;mix-blend-mode:screen;}
  .a1{width:46vw;height:46vw;background:var(--violet);top:-14%;left:-10%;animation:auroraDrift1 22s ease-in-out infinite;}
  .a2{width:40vw;height:40vw;background:var(--pink);bottom:-16%;right:-8%;animation:auroraDrift2 26s ease-in-out infinite;}
  .a3{width:34vw;height:34vw;background:var(--orange);top:38%;left:52%;animation:auroraDrift3 30s ease-in-out infinite;}
  @keyframes auroraDrift1{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(8vw,10vh) scale(1.15);}}
  @keyframes auroraDrift2{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(-9vw,-6vh) scale(1.12);}}
  @keyframes auroraDrift3{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(-6vw,8vh) scale(1.2);}}

  .meteor-layer{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none;}
  .meteor{
    position:absolute;left:-10%;top:var(--top);width:140px;height:1.5px;
    background:linear-gradient(90deg, rgba(255,255,255,0), #fff 60%, rgba(255,255,255,0));
    transform:rotate(18deg);opacity:0;
    animation:meteorFall var(--dur) linear infinite;
    animation-delay:var(--delay);
  }
  @keyframes meteorFall{
    0%{transform:translate(0,0) rotate(18deg);opacity:0;}
    6%{opacity:.9;}
    70%{opacity:.5;}
    100%{transform:translate(130vw,46vh) rotate(18deg);opacity:0;}
  }

  .view{
    position:fixed;inset:0;z-index:1;
    display:none;
    flex-direction:column;
    align-items:center;justify-content:center;
    opacity:0;
    transition:opacity .6s ease;
  }
  .view.active{display:flex;opacity:1;}

  /* ---------- SPLASH VIEW ---------- */
  #view-splash{cursor:pointer;}
  .splash-wrap{text-align:center;animation:splashIn 1s cubic-bezier(.22,1,.36,1) both;}
  @keyframes splashIn{from{opacity:0;transform:translateY(18px) scale(.96);}to{opacity:1;transform:translateY(0) scale(1);}}
  .rainbow-text{
    font-size:clamp(56px,14vw,140px);
    font-weight:700;
    letter-spacing:.01em;
    background-image:linear-gradient(90deg,var(--violet),var(--pink),var(--orange),#facc15,var(--violet));
    background-size:300% 100%;
    -webkit-background-clip:text;background-clip:text;color:transparent;
    animation:rainbowRun 6s linear infinite;
    transition:animation-duration .3s ease;
  }
  #splashWordmark:hover .rainbow-text{animation-duration:1.4s;}
  @keyframes rainbowRun{0%{background-position:0% 50%;}100%{background-position:300% 50%;}}
  .splash-sub{margin-top:10px;color:var(--text-dim);font-size:14.5px;letter-spacing:.02em;}
  .splash-hint{
    position:absolute;bottom:9%;left:0;right:0;text-align:center;
    color:var(--text-dim);font-size:12.5px;letter-spacing:.05em;
    animation:hintPulse 2.2s ease-in-out infinite;
  }
  @keyframes hintPulse{0%,100%{opacity:.45;}50%{opacity:1;}}

  /* ---------- AUTH VIEW ---------- */
  #view-auth{ padding:24px; }
  .brand-row{position:absolute;top:28px;left:32px;display:flex;align-items:center;gap:10px;}
  .brand-dot{width:10px;height:10px;border-radius:50%;background:var(--grad);}
  .brand-name{font-family:'Space Grotesk';font-weight:600;letter-spacing:.02em;font-size:15px;}

  .auth-card{
    position:relative;
    width:100%;max-width:420px;
    background:rgba(16,16,20,.72);
    border:1px solid var(--line);
    border-radius:20px;
    padding:36px 32px 30px;
    backdrop-filter:blur(14px);
    overflow:hidden;
    animation:cardRise .7s cubic-bezier(.22,1,.36,1) both;
    animation-delay:.1s;
  }
  @keyframes cardRise{from{opacity:0;transform:translateY(24px);}to{opacity:1;transform:translateY(0);}}
  .auth-card::before{
    content:"";
    position:absolute; inset:-2px;
    background:var(--grad);
    opacity:.55;
    z-index:-1;
    filter:blur(30px);
    transform:translateY(20%) scale(1.1);
  }
  .auth-card::after{
    content:"";
    position:absolute; inset:0;
    border-radius:20px;
    padding:1px;
    background:linear-gradient(160deg, rgba(255,255,255,.18), transparent 40%);
    -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor; mask-composite:exclude;
    pointer-events:none;
  }
  .auth-eyebrow{color:var(--text-dim);font-size:13px;margin-bottom:6px;}
  .auth-title{font-size:26px;font-weight:600;line-height:1.25;margin-bottom:8px;}
  .auth-sub{color:var(--text-dim);font-size:14px;line-height:1.5;margin-bottom:26px;max-width:34ch;}

  .auth-tabs{display:flex;gap:4px;background:var(--panel-2);border:1px solid var(--line);border-radius:10px;padding:4px;margin-bottom:20px;}
  .auth-tab{flex:1;text-align:center;padding:8px 0;border-radius:7px;font-size:13px;color:var(--text-dim);cursor:pointer;border:none;background:transparent;transition:.15s;}
  .auth-tab.active{background:var(--panel);color:var(--text);}

  .field{margin-bottom:14px;}
  .field label{display:block;font-size:12px;color:var(--text-dim);margin-bottom:6px;}
  .field input{
    width:100%;background:var(--panel-2);border:1px solid var(--line);
    border-radius:9px;padding:11px 13px;color:var(--text);font-size:14px;outline:none;
    transition:border-color .15s;
  }
  .field input:focus{border-color:var(--violet);}

  .btn{
    width:100%;padding:12px;border-radius:10px;border:none;cursor:pointer;
    font-size:14px;font-weight:600;transition:transform .15s ease, filter .15s ease, border-color .15s ease, background .15s ease;
    position:relative;overflow:hidden;
  }
  .btn:active{transform:scale(.97);}
  .btn::after{
    content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;
    background:linear-gradient(115deg, transparent, rgba(255,255,255,.35), transparent);
    transform:skewX(-20deg);transition:left .6s ease;pointer-events:none;
  }
  .btn:hover::after{left:130%;}
  .btn-primary{background:var(--grad);color:#0a0a0d;margin-top:4px;}
  .btn-primary:hover{filter:brightness(1.08);}
  .btn-ghost{
    background:rgba(255,255,255,.02);border:1px solid var(--line);color:var(--text);
    margin-top:10px;backdrop-filter:blur(6px);
  }
  .btn-ghost:hover{border-color:#3a3a44;background:var(--panel-2);}
  .auth-error{color:var(--danger);font-size:12.5px;margin-top:10px;min-height:1em;}
  .auth-divider{display:flex;align-items:center;gap:10px;color:var(--text-dim);font-size:11px;margin:18px 0 4px;}
  .auth-divider::before,.auth-divider::after{content:"";flex:1;height:1px;background:var(--line);}

  /* ---------- HUB VIEW ---------- */
  #view-hub{padding:24px;}
  .hub-top{position:absolute;top:26px;right:28px;display:flex;align-items:center;gap:14px;}
  .hub-user{color:var(--text-dim);font-size:13px;}
  .logout-link{color:var(--text-dim);font-size:13px;background:none;border:none;cursor:pointer;text-decoration:underline;text-underline-offset:3px;}
  .logout-link:hover{color:var(--text);}

  .hub-head{text-align:center;margin-bottom:38px;}
  .hub-head h2{font-size:28px;font-weight:600;margin-bottom:8px;}
  .hub-head p{color:var(--text-dim);font-size:14px;}

  @property --angle{syntax:'<angle>';inherits:false;initial-value:0deg;}

  .model-grid{display:flex;gap:22px;flex-wrap:wrap;justify-content:center;max-width:760px;padding:0 16px;}
  .model-card{
    width:300px;min-height:230px;border-radius:18px;border:1px solid var(--line);
    background:var(--panel);padding:26px 24px;display:flex;flex-direction:column;
    cursor:pointer;transition:border-color .2s, transform .25s ease, box-shadow .25s ease;
    position:relative;overflow:hidden;
    animation:cardRise .7s cubic-bezier(.22,1,.36,1) both;
  }
  #cardAlpha{animation-delay:.15s;}
  #cardAdaptive{animation-delay:.28s;}
  .model-card:hover{border-color:transparent;transform:translateY(-5px);box-shadow:0 18px 40px rgba(0,0,0,.4);}
  .model-card.disabled{cursor:default;opacity:.55;}
  .model-card.disabled:hover{transform:none;border-color:var(--line);box-shadow:none;}
  .model-card::before{
    content:"";position:absolute;inset:0;border-radius:inherit;padding:1.5px;
    background:conic-gradient(from var(--angle), transparent 0 60%, var(--violet), var(--pink), var(--orange), transparent 100%);
    -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite:xor;mask-composite:exclude;
    opacity:0;transition:opacity .3s ease;
    animation:rotateBorder 3.2s linear infinite;
    pointer-events:none;
  }
  .model-card:not(.disabled):hover::before{opacity:1;}
  @keyframes rotateBorder{to{--angle:360deg;}}
  .model-spotlight{
    position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .25s ease;
    background:radial-gradient(220px circle at var(--mx,50%) var(--my,50%), rgba(255,255,255,.10), transparent 65%);
  }
  .model-card:hover .model-spotlight{opacity:1;}
  .model-glow{position:absolute;top:-60px;right:-60px;width:160px;height:160px;border-radius:50%;background:var(--grad);filter:blur(50px);opacity:.35;transition:opacity .3s ease, transform .4s ease;}
  .model-card:hover .model-glow{opacity:.55;transform:scale(1.1);}
  .model-badge{align-self:flex-start;font-size:10.5px;letter-spacing:.04em;color:var(--text-dim);border:1px solid var(--line);padding:3px 9px;border-radius:20px;margin-bottom:16px;}
  .model-card h3{font-size:19px;margin-bottom:8px;}
  .model-card p{font-size:13px;color:var(--text-dim);line-height:1.5;flex:1;}
  .model-cta{margin-top:16px;font-size:13px;font-weight:600;display:flex;align-items:center;gap:6px;transition:gap .2s ease;}
  .model-card:not(.disabled):hover .model-cta{gap:10px;}
  .model-cta.launch{color:#fff;}
  .model-cta.soon{color:var(--text-dim);}

  /* ---------- WARP TRANSITION ---------- */
  #view-warp{background:var(--void);}
  #warp-canvas{position:absolute;inset:0;}
  .warp-flash{position:absolute;inset:0;background:#fff;opacity:0;pointer-events:none;animation:warpFlash 2.6s ease-in forwards;}
  @keyframes warpFlash{0%,86%{opacity:0;}97%{opacity:.95;}100%{opacity:0;}}
  .warp-caption{
    position:absolute;bottom:14%;left:0;right:0;text-align:center;color:var(--text-dim);
    font-size:13px;letter-spacing:.08em;animation:captionFade 2.6s ease both;
  }
  @keyframes captionFade{0%{opacity:0;letter-spacing:.3em;}20%{opacity:1;letter-spacing:.08em;}82%{opacity:1;}100%{opacity:0;}}

  /* ---------- CHAT VIEW ---------- */
  #view-chat{align-items:stretch;justify-content:stretch;}
  #app-shell{display:flex;height:100%;width:100%;background:var(--void);}

  #sidebar{
    width:264px;background:#0b0b0e;border-right:1px solid var(--line);
    display:flex;flex-direction:column;padding:14px;flex-shrink:0;
    transition:transform .25s ease;
  }
  .side-section-title{font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-dim);margin:14px 4px 8px;}
  .new-chat-btn{border:1px solid var(--line);border-radius:9px;padding:10px 12px;color:#fff;font-size:13.5px;background:transparent;cursor:pointer;text-align:left;display:flex;align-items:center;gap:8px;transition:.15s;}
  .new-chat-btn:hover{background:var(--panel-2);}
  .side-link{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px;color:var(--text-dim);font-size:13.5px;cursor:pointer;border:none;background:transparent;width:100%;text-align:left;position:relative;transition:color .15s ease, padding-left .18s ease;}
  .side-link::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;border-radius:2px;background:var(--grad);transform:scaleY(0);transition:transform .18s ease;}
  .side-link:hover{background:var(--panel-2);color:var(--text);padding-left:14px;}
  .side-link:hover::before{transform:scaleY(1);}
  .side-link .ico{width:16px;text-align:center;}

  .profile-card{display:flex;align-items:center;gap:10px;padding:10px;border-radius:10px;border:1px solid var(--line);background:var(--panel);margin-bottom:6px;}
  .avatar-sm{width:30px;height:30px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#0a0a0d;flex-shrink:0;}
  .profile-meta{overflow:hidden;}
  .profile-name{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .profile-plan{font-size:11px;color:var(--text-dim);}

  .side-bottom{margin-top:auto;display:flex;flex-direction:column;gap:10px;}
  .toggle-card{background:var(--panel);border-radius:10px;padding:11px 12px;border:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;}
  .toggle-card .label{font-size:12.5px;color:var(--text-dim);}
  .toggle-switch{position:relative;display:inline-block;width:38px;height:21px;flex-shrink:0;}
  .toggle-switch input{opacity:0;width:0;height:0;}
  .toggle-slider{position:absolute;cursor:pointer;inset:0;background:var(--line);transition:.2s;border-radius:22px;}
  .toggle-slider:before{position:absolute;content:"";height:15px;width:15px;left:3px;bottom:3px;background:#fff;transition:.2s;border-radius:50%;}
  .toggle-switch input:checked + .toggle-slider{background:var(--violet);}
  .toggle-switch input:checked + .toggle-slider:before{transform:translateX(17px);}
  .credit-card{background:var(--panel);border-radius:10px;padding:11px 12px;border:1px solid var(--line);}
  .credit-card-title{font-size:10.5px;text-transform:uppercase;color:var(--text-dim);font-weight:600;margin-bottom:3px;letter-spacing:.03em;}
  .credit-value{font-size:17px;font-weight:700;color:var(--green);font-family:'Space Grotesk';}

  #main-container{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--void);}
  #header{height:52px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 18px;font-weight:600;font-size:14.5px;color:var(--text-dim);flex-shrink:0;}
  #header .h-left{display:flex;align-items:center;gap:12px;}
  #menuToggle{display:none;background:none;border:none;color:var(--text);font-size:20px;cursor:pointer;line-height:1;}
  .h-status{font-size:11.5px;color:var(--green);display:flex;align-items:center;gap:5px;}

  #chat-flow{flex:1;overflow-y:auto;padding:22px 0;display:flex;flex-direction:column;gap:26px;}
  .chat-row{width:100%;max-width:760px;margin:0 auto;padding:0 20px;display:flex;gap:14px;}
  .chat-row.msg-enter{animation:rowEnter .45s cubic-bezier(.22,1,.36,1) both;}
  @keyframes rowEnter{from{opacity:0;transform:translateY(10px);filter:blur(4px);}to{opacity:1;transform:translateY(0);filter:blur(0);}}
  .user-row{justify-content:flex-end;}

  .avatar{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0;}
  .bot-avatar{background:var(--grad);color:#0a0a0d;}
  .user-avatar{background:#2b2b33;color:#fff;border:1px solid var(--line);}

  .bubble-container{flex:1;max-width:85%;min-width:0;}
  .user-bubble{background:var(--panel-2);padding:10px 15px;border-radius:16px;color:var(--text);display:inline-block;float:right;font-size:14.5px;line-height:1.5;}
  .bot-bubble{color:var(--text);font-size:14.5px;line-height:1.65;white-space:pre-wrap;word-break:break-word;}

  .think-bar{background:#0b0b0e;border:1px solid var(--line);border-radius:10px;margin-bottom:12px;overflow:hidden;font-size:12px;}
  .think-header{padding:8px 12px;background:var(--panel-2);color:#b6b6c2;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;}
  .think-content{padding:10px 12px;color:#8e8ea0;font-style:italic;white-space:pre-wrap;word-break:break-word;max-height:280px;overflow-y:auto;}

  .meta-row{display:flex;align-items:center;gap:12px;margin-top:8px;}
  .meta-tag{font-size:11px;color:#707078;}
  .copy-msg-btn{font-size:11px;color:var(--text-dim);background:var(--panel-2);border:1px solid var(--line);border-radius:6px;padding:3px 9px;cursor:pointer;transition:.15s;}
  .copy-msg-btn:hover{color:#fff;border-color:#3a3a44;}

  .code-box{background:#0b0b0e;border:1px solid var(--line);border-radius:10px;margin:10px 0;overflow:hidden;}
  .code-box-header{display:flex;justify-content:space-between;align-items:center;padding:7px 12px;background:var(--panel-2);font-size:11.5px;color:var(--text-dim);}
  .code-box-header button{font-size:11px;color:var(--text-dim);background:transparent;border:1px solid var(--line);border-radius:6px;padding:3px 9px;cursor:pointer;}
  .code-box-header button:hover{color:#fff;border-color:#3a3a44;}
  .code-box pre{margin:0;padding:12px 14px;overflow-x:auto;font-family:'SFMono-Regular',Consolas,monospace;font-size:13px;color:#dcdce2;white-space:pre;}

  #input-container{width:100%;max-width:760px;margin:0 auto 22px auto;padding:0 20px;flex-shrink:0;}
  .input-box{background:var(--panel-2);border:1px solid var(--line);border-radius:16px;padding:10px 14px;display:flex;align-items:center;gap:10px;}
  .input-box input{flex:1;background:transparent;border:none;outline:none;color:#fff;font-size:14.5px;}
  .input-box button{background:#3a3a44;color:#0a0a0d;border:none;width:32px;height:32px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:bold;transition:.2s;flex-shrink:0;}
  .input-box button.active{background:var(--grad);color:#0a0a0d;animation:sendPulse 1.6s ease-in-out infinite;}
  .input-box button:active{transform:scale(.9);}
  @keyframes sendPulse{0%,100%{box-shadow:0 0 0 0 rgba(255,91,60,.45);}50%{box-shadow:0 0 0 6px rgba(255,91,60,0);}}
  .input-box{transition:border-color .2s ease;}
  .input-box:focus-within{border-color:var(--violet);}

  #sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:5;}

  /* ---------- RESPONSIVE ---------- */
  @media (max-width:900px){
    #menuToggle{display:block;}
    #sidebar{position:fixed;top:0;left:0;bottom:0;z-index:10;transform:translateX(-100%);box-shadow:0 0 40px rgba(0,0,0,.5);}
    #sidebar.open{transform:translateX(0);}
    #sidebar-overlay.show{display:block;}
    .bubble-container{max-width:100%;}
    .model-grid{gap:16px;}
    .model-card{width:100%;max-width:340px;}
  }
  @media (max-width:520px){
    .auth-card{padding:28px 20px 24px;border-radius:16px;}
    .auth-title{font-size:22px;}
    .chat-row{padding:0 12px;gap:10px;}
    #input-container{padding:0 12px;}
    .hub-head h2{font-size:23px;}
  }

  /* ---------- MOTION SAFETY ---------- */
  @media (prefers-reduced-motion: reduce){
    *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  }


/* =========================================================================
   LANDING-SYNC LAYER (same motion language as landing.html)
   ========================================================================= */
@keyframes blink{0%,100%{opacity:1;}50%{opacity:.2;}}

/* live status dot, like the landing terminal */
.h-status::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green);animation:blink 1.6s ease-in-out infinite;}

/* card hover lift, same as landing .feat-card */
.profile-card,.toggle-card,.credit-card{transition:transform .2s ease, border-color .2s ease;}
.profile-card:hover,.toggle-card:hover,.credit-card:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.18);}

/* credit number pulses when it changes */
.credit-value{display:inline-block;transition:color .3s ease;}
.credit-value.bump{animation:creditBump .5s cubic-bezier(.22,1,.36,1);}
@keyframes creditBump{0%{transform:scale(1);}40%{transform:scale(1.25);}100%{transform:scale(1);}}

/* "routing..." loader line, same as landing terminal */
.think-content.routing{animation:blink 1.2s ease-in-out infinite;}
.think-bar{position:relative;}
.think-bar.live::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:40%;
  background:var(--grad);animation:thinkSweep 1.3s ease-in-out infinite;
}
@keyframes thinkSweep{0%{transform:translateX(-100%);}100%{transform:translateX(260%);}}

/* gradient marquee strip (same as landing) on the splash screen */
.splash-marquee{position:absolute;left:-2%;right:-2%;bottom:22%;overflow:hidden;transform:rotate(-1deg);pointer-events:none;}
.splash-marquee .marquee{display:flex;white-space:nowrap;background:var(--grad);padding:10px 0;}
.splash-marquee .mq-track{display:flex;gap:24px;animation:mq 20s linear infinite;padding-right:24px;}
.splash-marquee .mq-track span{font-family:'Space Grotesk';font-weight:700;font-size:12.5px;letter-spacing:.06em;color:#0a0a0d;text-transform:uppercase;display:flex;gap:24px;align-items:center;}
@keyframes mq{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* back-to-website link */
.site-link{color:var(--text-dim);font-size:13px;text-decoration:none;transition:color .15s;}
.site-link:hover{color:var(--text);}
.brand-row .site-link{margin-left:14px;}


/* =========================================================================
   LANDING UX PORT: nav header, hero empty-state, router chips, glass input
   ========================================================================= */
#main-container{position:relative;}
#header{background:rgba(7,7,10,.7);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.07);}
.brand-mark{width:28px;height:28px;border-radius:8px;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#0a0a0d;font-weight:800;font-size:13px;font-family:'Space Grotesk';}
.hdr-title{color:var(--text);font-family:'Space Grotesk';font-weight:700;}

/* glass terminal-style input */
.input-box{background:rgba(10,10,13,.7);border:1px solid rgba(255,255,255,.1);backdrop-filter:blur(16px);box-shadow:0 30px 70px rgba(0,0,0,.35);}
.input-box button{border-radius:10px;width:36px;height:36px;background:rgba(255,255,255,.08);color:#fff;}
.input-box button.active{color:#0a0a0d;}

/* hero empty state (landing hero) */
#empty-state{position:absolute;top:52px;bottom:96px;left:0;right:0;z-index:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px;overflow-y:auto;transition:opacity .4s ease, transform .4s ease;}
#empty-state.hide{opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-10px);}
#empty-state>*{animation:cardRise .7s cubic-bezier(.22,1,.36,1) both;}
#empty-state>*:nth-child(2){animation-delay:.08s;} #empty-state>*:nth-child(3){animation-delay:.16s;} #empty-state>*:nth-child(4){animation-delay:.24s;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);padding:6px 14px;border-radius:30px;font-size:12.5px;color:var(--text-dim);margin-bottom:22px;}
.eyebrow b{color:#fff;}
#empty-state h1{font-size:clamp(28px,5vw,46px);line-height:1.1;font-weight:700;margin-bottom:16px;}
#empty-state .hl{background-image:var(--grad);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:rainbowRun 6s linear infinite;}
#empty-state .lead{color:var(--text-dim);font-size:15px;line-height:1.6;max-width:46ch;margin-bottom:26px;}
.chip-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;max-width:620px;width:100%;}
@media (max-width:600px){.chip-grid{grid-template-columns:1fr;}}
.chip{text-align:left;color:var(--text);cursor:pointer;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:16px;display:flex;flex-direction:column;gap:8px;font-family:inherit;transition:transform .2s ease, border-color .2s ease, background .2s ease;}
.chip:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.18);background:rgba(255,255,255,.07);}
.chip b{font-size:13.5px;font-weight:600;line-height:1.4;}
.feat-icon{width:30px;height:30px;border-radius:9px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:14px;color:#0a0a0d;}
.pill{align-self:flex-start;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:7px;padding:3px 9px;font-family:'SFMono-Regular',Consolas,monospace;font-size:11px;color:#ffcbaa;}

/* router chips (landing "Five routers. One flow.") */
.router-flow{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:10px 12px;border-top:1px solid var(--line);}
.router-step{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:9px;padding:5px 10px;font-family:'SFMono-Regular',Consolas,monospace;font-size:11px;color:var(--text-dim);display:flex;gap:6px;align-items:center;opacity:0;animation:chipIn .35s ease forwards;animation-delay:calc(var(--i) * 110ms);}
.router-step b{color:#fff;}
.router-arrow{color:var(--pink);font-weight:700;font-size:12px;}
.router-step.passed{opacity:.45;animation-name:chipInDim;}
.router-step.idle{animation-name:chipInDim;}
.router-step.active{border-color:transparent;color:#0a0a0d;background:var(--grad);box-shadow:0 0 18px rgba(255,91,60,.35);animation-name:chipIn;}
.router-step.active b{color:#0a0a0d;}
.router-flow.scanning .router-step{opacity:1;animation:scanChip 2.5s ease-in-out infinite;animation-delay:calc(var(--i) * 350ms);}
@keyframes chipIn{from{opacity:0;transform:translateY(6px) scale(.94);}to{opacity:1;transform:none;}}
@keyframes chipInDim{from{opacity:0;transform:translateY(6px) scale(.94);}to{opacity:.4;transform:none;}}
@keyframes scanChip{0%,60%,100%{border-color:rgba(255,255,255,.1);color:var(--text-dim);}25%{border-color:var(--orange);color:#fff;box-shadow:0 0 14px rgba(255,154,31,.35);}}

/* smooth think accordion (landing FAQ) */
.think-body{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.think-bar.open .think-body{max-height:340px;}
.think-header .arrow{transition:transform .2s ease;font-size:10px;}
.think-bar.open .think-header .arrow{transform:rotate(180deg);}

/* meta pills + credit delta (landing net-pill / credit cards) */
.meta-pill{background:rgba(10,10,13,.7);border:1px solid rgba(255,255,255,.12);border-radius:8px;padding:3px 9px;font-size:11px;color:var(--text-dim);}
.delta{font-family:'Space Grotesk';font-weight:700;font-size:12px;padding:3px 9px;border-radius:8px;animation:creditBump .5s cubic-bezier(.22,1,.36,1);}
.delta.pos{color:var(--green);background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.3);}
.delta.neg{color:#ff4d6d;background:rgba(255,77,109,.12);border:1px solid rgba(255,77,109,.3);}

/* sidebar credit bar (landing bar-track / bar-fill) */
.bar-track{height:8px;border-radius:6px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:8px;}
.bar-fill{height:100%;border-radius:6px;background:var(--grad);transition:width .8s cubic-bezier(.22,1,.36,1);}
.bar-fill.neg{background:linear-gradient(90deg,#ff4d4d,#ff2f6e);}


/* ---- fixes from browser test ---- */
.bot-bubble .code-box{white-space:normal;}                 /* template whitespace was rendering as blank lines */
#empty-state{justify-content:flex-start;}                  /* center + overflow clipped the top on short screens */
#empty-state>.eyebrow{margin-top:auto;}
#empty-state>.chip-grid{margin-bottom:auto;}
@media (max-width:600px){
  #empty-state{padding:14px;}
  #empty-state .lead{margin-bottom:16px;font-size:14px;}
  .chip{padding:12px 14px;gap:6px;}
  .chip .pill{display:none;}
  .chip-grid{gap:10px;}
}


/* ===== streaming text animation ===== */
.sw{display:inline-block;white-space:pre-wrap;animation:sw-in .32s ease-out both;}
@keyframes sw-in{0%{opacity:0;filter:blur(6px);transform:translateY(2px)}100%{opacity:1;filter:blur(0);transform:none}}
.sw-block{animation:fade-up .4s cubic-bezier(.23,1,.32,1) both;}
.stream-caret{display:inline-block;width:2px;height:14px;margin-left:2px;vertical-align:-2px;border-radius:2px;background:var(--text);animation:caret-blink .9s steps(2,start) infinite;}
@keyframes caret-blink{to{visibility:hidden}}
@keyframes fade-up{0%{opacity:0;transform:translateY(8px)}100%{opacity:1;transform:none}}
@keyframes pop-in{0%{opacity:0;transform:scale(.95)}100%{opacity:1;transform:none}}

.stream-extras{opacity:0;pointer-events:none;transition:opacity .4s ease;margin-top:6px;}
.stream-extras.show{opacity:1;pointer-events:auto;}
.stream-actions{display:flex;align-items:center;gap:2px;flex-wrap:wrap;}
.act-btn{width:26px;height:26px;display:flex;align-items:center;justify-content:center;border:0;background:none;color:var(--text-dim);border-radius:6px;cursor:pointer;transition:background .12s,color .12s;}
.act-btn:hover{background:var(--panel-2);color:var(--text);}
.act-btn.on{color:var(--orange);}
.src-chip{margin-left:8px;display:inline-flex;align-items:center;gap:6px;height:22px;padding:0 8px 0 6px;border-radius:6px;background:var(--panel-2);border:1px solid var(--line);color:var(--text-dim);font:11px 'Space Grotesk',monospace;text-decoration:none;transition:color .15s,border-color .15s;}
.src-chip:hover{color:var(--text);border-color:#3a3a44;}
.src-dot{width:8px;height:8px;border-radius:50%;background:var(--grad);}
.stream-extras.show .src-chip{animation:pop-in .25s cubic-bezier(.23,1,.32,1) both;}
.stream-followups{margin-top:10px;}
.fu-title{font-size:12px;font-weight:500;color:var(--text-dim);margin-bottom:2px;}
.fu-btn{display:block;width:100%;text-align:left;border:0;border-bottom:1px solid var(--line);background:none;color:var(--text);font-size:13px;padding:7px 4px;cursor:pointer;transition:background .12s;opacity:0;}
.stream-extras.show .fu-btn{animation:fade-up .35s cubic-bezier(.23,1,.32,1) calc(var(--i)*90ms) both;}
.fu-btn:hover{background:var(--panel-2);}
@media (prefers-reduced-motion:reduce){.sw,.sw-block{animation:none}}