/* ==========================================================================
   BldBox — premium dark UI / Vazirmatn / exact brand palette
   ========================================================================== */
@font-face{font-family:"Vazirmatn";src:url("/static/fonts/Vazirmatn-Regular.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Vazirmatn";src:url("/static/fonts/Vazirmatn-Medium.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Vazirmatn";src:url("/static/fonts/Vazirmatn-Bold.woff2") format("woff2");font-weight:700;font-display:swap}

:root{
  --primary:#7A00F0;--primary-light:#9B30FF;--primary-glow:#B266FF;--primary-dark:#6200CC;--primary-deep:#4A0099;
  --accent:#ED1908;--accent-light:#FF3D2E;--accent-glow:#FF6B5E;--accent-dark:#C91407;
  --silver:#C8BAE3;--silver-light:#DDD3F0;--silver-dark:#A99BC8;
  --bg:#050508;--bg2:#0A0A10;--bg3:#0F0F18;--bg4:#141420;
  --glass:rgba(122,0,240,0.03);--glass-border:rgba(122,0,240,0.08);--glass-hover:rgba(122,0,240,0.06);
  --text:#F0EDF5;--text-muted:#A99BC8;--text-dim:#7B6E96;
  --radius-sm:10px;--radius-md:16px;--radius-lg:20px;--radius-xl:24px;
  /* aliases */
  --txt:var(--text);--muted:var(--text-muted);--dim:var(--text-dim);
  --panel:var(--bg3);--panel-2:var(--bg4);--panel-3:#1A1A28;
  --line:rgba(200,186,227,.10);--line-2:rgba(200,186,227,.17);
  --ok:var(--primary-glow);--warn:var(--silver);--err:var(--accent-glow);
  --radius:var(--radius-md);
  --shadow:0 24px 70px rgba(0,0,0,.55);
  --glow:0 0 40px rgba(122,0,240,.35);
  --font:"Vazirmatn",Tahoma,system-ui,-apple-system,"Segoe UI",sans-serif;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;font-family:var(--font);color:var(--text);font-size:15px;line-height:1.75;
  background:
    radial-gradient(1000px 600px at 8% -10%,rgba(122,0,240,.20),transparent 62%),
    radial-gradient(760px 460px at 96% 0%,rgba(237,25,8,.075),transparent 60%),
    radial-gradient(700px 500px at 50% 110%,rgba(122,0,240,.10),transparent 60%),
    var(--bg);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary-glow);text-decoration:none;transition:color .15s}
a:hover{color:var(--silver-light)}
::selection{background:rgba(122,0,240,.45);color:#fff}
h1,h2,h3,h4{line-height:1.35;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
img{max-width:100%}
hr{border:0;border-top:1px solid var(--line);margin:22px 0}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#241a38;border-radius:20px;border:2px solid transparent;background-clip:content-box}
::-webkit-scrollbar-thumb:hover{background:#3a2a58;background-clip:content-box}
::-webkit-scrollbar-track{background:transparent}

/* ---------- top bar ---------- */
.topbar{
  position:sticky;top:0;z-index:60;display:flex;align-items:center;gap:16px;
  padding:11px 26px;border-bottom:1px solid var(--glass-border);
  background:linear-gradient(180deg,rgba(10,10,16,.92),rgba(5,5,8,.72));
  backdrop-filter:blur(20px) saturate(140%);
}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);font-weight:700;letter-spacing:-.02em;font-size:16px}
.brand:hover{color:var(--text)}
.brand-mark,.brand img{
  width:36px;height:36px;border-radius:12px;flex:none;
}
.brand-mark{
  display:grid;place-items:center;font-weight:800;font-size:16px;color:#fff;
  background:linear-gradient(140deg,var(--primary-light),var(--primary-dark) 55%,var(--primary-deep));
  box-shadow:0 0 26px rgba(122,0,240,.55),inset 0 1px 0 rgba(255,255,255,.25);
}
.brand img{object-fit:contain;background:rgba(255,255,255,.03);padding:3px;border:1px solid var(--glass-border)}
.brand small{display:block;font-size:9.5px;color:var(--text-dim);font-weight:500;letter-spacing:.14em;text-transform:uppercase;margin-top:1px}
.nav{display:flex;align-items:center;gap:4px;margin-inline-start:auto;flex-wrap:wrap}
.nav a,.nav button.link{
  padding:7px 12px;border-radius:9px;color:var(--text-muted);background:none;border:0;
  cursor:pointer;font-size:13.5px;display:inline-flex;align-items:center;gap:6px;transition:.16s;
}
.nav a:hover,.nav button.link:hover{color:var(--text);background:var(--glass-hover)}
.nav a.active{color:var(--text);background:rgba(122,0,240,.14);box-shadow:inset 0 0 0 1px rgba(122,0,240,.25)}
.nav .cta{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-dark));padding:8px 15px;box-shadow:0 6px 22px rgba(122,0,240,.35)}
.nav .cta:hover{background:linear-gradient(135deg,var(--primary-light),var(--primary))}
.lang-switch{display:flex;border:1px solid var(--line);border-radius:9px;overflow:hidden}
.lang-switch a{padding:4px 9px;font-size:11.5px;color:var(--text-dim);border-radius:0}
.lang-switch a.on{background:rgba(122,0,240,.18);color:var(--silver-light)}
.avatar{
  width:32px;height:32px;border-radius:50%;display:grid;place-items:center;flex:none;
  background:linear-gradient(135deg,var(--primary-light),var(--primary-deep));
  color:#fff;font-weight:700;font-size:13px;text-transform:uppercase;
  box-shadow:0 0 18px rgba(122,0,240,.4);
}
.sub-pill{
  display:inline-flex;align-items:center;gap:6px;font-size:11.5px;padding:4px 10px;border-radius:999px;
  color:var(--silver-light);background:rgba(122,0,240,.12);border:1px solid rgba(122,0,240,.28);
}
.sub-pill b{color:#fff;font-weight:600}
.sub-pill.expired{color:var(--accent-glow);background:rgba(237,25,8,.10);border-color:rgba(237,25,8,.3)}

/* ---------- layout ---------- */
.wrap{max-width:1180px;margin:0 auto;padding:34px 24px 90px}
.wrap-narrow{max-width:470px;margin:5vh auto 70px;padding:0 20px}
.card{
  background:linear-gradient(180deg,rgba(122,0,240,.045),rgba(20,20,32,.45));
  border:1px solid var(--glass-border);border-radius:var(--radius-lg);padding:24px;
  box-shadow:var(--shadow);backdrop-filter:blur(8px);
}
.card + .card{margin-top:18px}
.card.glow{border-color:rgba(122,0,240,.3);box-shadow:0 0 0 1px rgba(122,0,240,.08),0 24px 80px rgba(122,0,240,.16)}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(auto-fit,minmax(270px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.spacer{flex:1}
.muted{color:var(--text-muted)}
.dim{color:var(--text-dim)}
.small{font-size:13px}
.tiny{font-size:11.5px}
.mono{font-family:ui-monospace,"Cascadia Code",Consolas,monospace}
.center{text-align:center}
.nowrap{white-space:nowrap}
.section-head{display:flex;align-items:flex-end;gap:16px;margin:10px 0 22px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,3vw,30px);margin:0}
.section-head p{margin:0;color:var(--text-muted)}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--glass-border),transparent);margin:44px 0}

/* ---------- controls ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;border-radius:11px;border:1px solid var(--line-2);
  background:var(--bg4);color:var(--text);cursor:pointer;font-weight:500;font-size:14px;
  transition:.18s ease;white-space:nowrap;
}
.btn:hover{background:#1B1B29;border-color:rgba(200,186,227,.28);transform:translateY(-1px);color:var(--text)}
.btn:active{transform:none}
.btn-primary{
  background:linear-gradient(135deg,var(--primary-light),var(--primary) 45%,var(--primary-dark));
  border-color:transparent;color:#fff;
  box-shadow:0 10px 30px rgba(122,0,240,.38),inset 0 1px 0 rgba(255,255,255,.18);
}
.btn-primary:hover{background:linear-gradient(135deg,var(--primary-glow),var(--primary-light) 45%,var(--primary));box-shadow:0 12px 36px rgba(122,0,240,.5)}
.btn-accent{background:linear-gradient(135deg,var(--accent-light),var(--accent-dark));border-color:transparent;color:#fff;box-shadow:0 10px 30px rgba(237,25,8,.32)}
.btn-accent:hover{background:linear-gradient(135deg,var(--accent-glow),var(--accent))}
.btn-ghost{background:transparent}
.btn-danger{color:var(--accent-glow);border-color:rgba(237,25,8,.35);background:rgba(237,25,8,.08)}
.btn-danger:hover{background:rgba(237,25,8,.16)}
.btn-sm{padding:6px 11px;font-size:12.5px;border-radius:8px}
.btn-lg{padding:13px 26px;font-size:15.5px;border-radius:13px}
.btn-block{width:100%}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

.field{display:block;margin-bottom:15px}
.field > span.label{display:block;font-size:12.5px;color:var(--text-muted);margin-bottom:6px;font-weight:500}
.input,textarea.input,select.input{
  width:100%;padding:11px 14px;border-radius:11px;background:#08080E;
  border:1px solid var(--line-2);color:var(--text);outline:none;transition:.16s;
}
.input:focus,textarea.input:focus,select.input:focus{border-color:rgba(122,0,240,.65);box-shadow:0 0 0 3px rgba(122,0,240,.16)}
.input::placeholder{color:var(--text-dim)}
textarea.input{min-height:96px;resize:vertical;line-height:1.8}
select.input{cursor:pointer}
.hint{font-size:11.5px;color:var(--text-dim);margin-top:6px;line-height:1.7}
.check{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--text-muted);cursor:pointer}
.check input{accent-color:var(--primary);width:16px;height:16px}

.badge{
  display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:999px;
  font-size:11px;border:1px solid var(--line-2);color:var(--text-muted);background:rgba(255,255,255,.02);
}
.badge.ok{color:var(--primary-glow);border-color:rgba(122,0,240,.38);background:rgba(122,0,240,.12)}
.badge.err{color:var(--accent-glow);border-color:rgba(237,25,8,.38);background:rgba(237,25,8,.10)}
.badge.warn{color:var(--silver-light);border-color:rgba(200,186,227,.32);background:rgba(200,186,227,.08)}
.badge.accent{color:#fff;border-color:transparent;background:linear-gradient(135deg,var(--primary),var(--primary-dark))}

.alert{padding:12px 15px;border-radius:11px;margin-bottom:16px;font-size:13.5px;
  border:1px solid rgba(237,25,8,.3);background:rgba(237,25,8,.08);color:#FFD7D3}
.alert.ok{border-color:rgba(122,0,240,.35);background:rgba(122,0,240,.1);color:var(--silver-light)}
.alert.info{border-color:var(--line-2);background:var(--glass);color:var(--text-muted)}

/* ---------- landing ---------- */
.hero{padding:76px 0 34px;text-align:center;position:relative}
.hero .orb{
  position:absolute;inset:-140px 12% auto;height:420px;z-index:-1;pointer-events:none;
  background:radial-gradient(circle at 50% 42%,rgba(122,0,240,.34),rgba(237,25,8,.06) 55%,transparent 68%);
  filter:blur(26px);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:999px;
  font-size:12px;color:var(--silver);background:rgba(122,0,240,.09);
  border:1px solid rgba(122,0,240,.24);margin-bottom:22px;
}
.eyebrow .spark{color:var(--accent-glow)}
.hero h1{font-size:clamp(34px,5.6vw,64px);line-height:1.16;letter-spacing:-.035em;margin-bottom:18px}
.grad{background:linear-gradient(100deg,var(--silver-light) 4%,var(--primary-glow) 44%,var(--primary-light) 66%,var(--accent-glow) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:clamp(15px,2vw,18.5px);color:var(--text-muted);max-width:660px;margin:0 auto 30px}
.hero .cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero-stats{display:flex;gap:30px;justify-content:center;flex-wrap:wrap;margin-top:46px;color:var(--text-dim);font-size:12.5px}
.hero-stats b{display:block;color:var(--text);font-size:19px;font-weight:700;letter-spacing:-.02em}
.feature{padding:22px;border-radius:var(--radius-md);border:1px solid var(--glass-border);
  background:linear-gradient(180deg,var(--glass),rgba(20,20,32,.25));transition:.2s;position:relative;overflow:hidden}
.feature::after{content:"";position:absolute;inset:auto -30% -70% -30%;height:120px;
  background:radial-gradient(circle,rgba(122,0,240,.16),transparent 70%);opacity:0;transition:.25s}
.feature:hover{border-color:rgba(122,0,240,.4);transform:translateY(-3px);background:rgba(122,0,240,.05)}
.feature:hover::after{opacity:1}
.feature .ico{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-size:19px;
  margin-bottom:13px;background:linear-gradient(140deg,rgba(122,0,240,.22),rgba(122,0,240,.06));
  border:1px solid rgba(122,0,240,.3);color:var(--primary-glow)}
.feature h3{font-size:15.5px;margin-bottom:5px}
.feature p{font-size:13px;color:var(--text-muted);margin:0}

.steps{counter-reset:s;display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.step{padding:20px;border-radius:var(--radius-md);border:1px solid var(--glass-border);background:var(--glass)}
.step .n{width:29px;height:29px;border-radius:9px;display:grid;place-items:center;font-size:13px;font-weight:700;
  color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-deep));margin-bottom:12px;
  box-shadow:0 0 18px rgba(122,0,240,.4)}
.step h4{margin:0 0 4px;font-size:14.5px}
.step p{margin:0;font-size:13px;color:var(--text-muted)}

/* ---------- pricing ---------- */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:20px;align-items:stretch}
.plan{
  position:relative;display:flex;flex-direction:column;padding:28px 26px;border-radius:var(--radius-xl);
  border:1px solid var(--glass-border);background:linear-gradient(180deg,rgba(20,20,32,.85),rgba(10,10,16,.9));
  box-shadow:0 24px 60px rgba(0,0,0,.35);transition:.22s;
}
.plan:hover{transform:translateY(-4px);border-color:rgba(122,0,240,.35)}
.plan.featured{
  border-color:rgba(122,0,240,.5);
  background:
    radial-gradient(600px 300px at 50% -20%,rgba(122,0,240,.24),transparent 65%),
    linear-gradient(180deg,rgba(20,20,32,.95),rgba(8,8,14,.98));
  box-shadow:0 0 0 1px rgba(122,0,240,.25),0 30px 90px rgba(122,0,240,.22);
}
.plan .badge-plan{position:absolute;top:-11px;inset-inline-start:24px;padding:4px 12px;border-radius:999px;
  font-size:11px;font-weight:600;color:#fff;background:linear-gradient(135deg,var(--accent-light),var(--accent-dark));
  box-shadow:0 6px 20px rgba(237,25,8,.35)}
.plan h3{font-size:20px;margin-bottom:2px}
.plan .en{font-size:12px;color:var(--text-dim);letter-spacing:.06em;text-transform:uppercase}
.plan .price{margin:18px 0 4px;display:flex;align-items:baseline;gap:7px;flex-wrap:wrap}
.plan .price .num{font-size:38px;font-weight:700;letter-spacing:-.03em;line-height:1;
  background:linear-gradient(120deg,var(--text),var(--silver));-webkit-background-clip:text;background-clip:text;color:transparent}
.plan .price .cur{font-size:13px;color:var(--text-muted)}
.plan .dur{font-size:12px;color:var(--text-dim);margin-bottom:20px}
.plan ul{list-style:none;padding:0;margin:0 0 24px;display:grid;gap:10px}
.plan li{display:flex;gap:9px;align-items:flex-start;font-size:13.5px;color:var(--text-muted)}
.plan li::before{content:"";width:17px;height:17px;flex:none;margin-top:4px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,var(--primary-glow) 0 20%,transparent 23%),
             radial-gradient(circle,rgba(122,0,240,.28),transparent 70%);
  border:1px solid rgba(122,0,240,.4)}
.plan .foot{margin-top:auto}
.plan .note{font-size:11px;color:var(--text-dim);text-align:center;margin-top:10px}

.pay-strip{display:flex;gap:16px;align-items:center;justify-content:center;flex-wrap:wrap;
  margin-top:26px;color:var(--text-dim);font-size:12px}
.pay-strip span{display:inline-flex;align-items:center;gap:6px}

/* ---------- auth ---------- */
.auth-card{padding:32px;position:relative;overflow:hidden}
.auth-card::before{content:"";position:absolute;inset:-60% -20% auto;height:220px;
  background:radial-gradient(circle,rgba(122,0,240,.22),transparent 68%);pointer-events:none}
.auth-card h1{font-size:25px;margin-bottom:6px}
.auth-head{text-align:center;margin-bottom:24px}
.auth-head .brand{justify-content:center;margin-bottom:18px}
.auth-switch{text-align:center;margin-top:18px;font-size:13.5px;color:var(--text-muted)}
.auth-switch a{font-weight:600}

/* ---------- chat ---------- */
.chat-shell{display:grid;grid-template-columns:284px 1fr;height:calc(100vh - 60px);overflow:hidden}
.sidebar{border-inline-end:1px solid var(--glass-border);background:rgba(8,8,14,.55);
  display:flex;flex-direction:column;min-height:0}
.sidebar-head{padding:14px}
.conv-list{overflow-y:auto;padding:0 10px 14px;flex:1}
.conv-item{display:flex;align-items:center;gap:8px;padding:9px 11px;border-radius:9px;
  color:var(--text-muted);cursor:pointer;font-size:13px;border:1px solid transparent;transition:.14s}
.conv-item:hover{background:var(--glass-hover);color:var(--text)}
.conv-item.active{background:rgba(122,0,240,.14);border-color:rgba(122,0,240,.28);color:var(--text)}
.conv-item .title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:inherit}
.conv-item .del{opacity:0;border:0;background:none;color:var(--text-dim);cursor:pointer;padding:2px 4px;font-size:11px}
.conv-item:hover .del{opacity:1}
.sidebar-foot{padding:13px;border-top:1px solid var(--glass-border);font-size:12.5px;display:grid;gap:8px}
.chat-main{display:flex;flex-direction:column;min-width:0;min-height:0;position:relative}
.chat-head{display:flex;align-items:center;gap:12px;padding:11px 22px;
  border-bottom:1px solid var(--glass-border);background:rgba(8,8,14,.5);backdrop-filter:blur(10px)}
.chat-head .ttl{font-weight:600;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-head .model-badge{margin-inline-start:auto;display:flex;align-items:center;gap:8px}
.model-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--primary-glow);box-shadow:0 0 10px var(--primary-glow)}
.messages{flex:1;overflow-y:auto;padding:26px 22px 8px;scroll-behavior:smooth}
.msg{max-width:860px;margin:0 auto 22px;display:flex;gap:12px;animation:fade .25s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.msg .who{width:32px;height:32px;border-radius:10px;flex:none;display:grid;place-items:center;font-size:13px;font-weight:700}
.msg.user{flex-direction:row-reverse}
.msg.user .who{background:linear-gradient(135deg,var(--silver),var(--silver-dark));color:var(--bg)}
.msg.assistant .who{background:linear-gradient(135deg,var(--primary-light),var(--primary-deep));color:#fff;
  box-shadow:0 0 18px rgba(122,0,240,.35)}
.bubble{padding:13px 17px;border-radius:15px;min-width:0;max-width:100%;overflow-wrap:anywhere;font-size:14.5px}
.msg.user .bubble{background:rgba(122,0,240,.13);border:1px solid rgba(122,0,240,.24);border-top-right-radius:5px}
.msg.assistant .bubble{background:rgba(20,20,32,.62);border:1px solid var(--glass-border);border-top-left-radius:5px}
.bubble > :first-child{margin-top:0}
.bubble > :last-child{margin-bottom:0}
.bubble pre{background:#06060B;border:1px solid var(--line);border-radius:10px;padding:12px;
  overflow-x:auto;font-size:12.5px;direction:ltr;text-align:left}
.bubble code{font-family:ui-monospace,Consolas,monospace;font-size:.9em;background:rgba(122,0,240,.14);padding:1px 5px;border-radius:5px;color:var(--silver-light)}
.bubble pre code{background:none;padding:0;color:var(--silver)}
.bubble table{border-collapse:collapse;width:100%;font-size:13px}
.bubble th,.bubble td{border:1px solid var(--line-2);padding:6px 10px;text-align:start}
.bubble th{background:rgba(122,0,240,.09)}
.bubble blockquote{border-inline-start:3px solid var(--primary);margin:8px 0;padding:2px 14px;color:var(--text-muted)}
.bubble img{border-radius:10px;margin:6px 0}
.bubble a{text-decoration:underline;text-underline-offset:2px}

.welcome{max-width:760px;margin:4vh auto 0;text-align:center;padding:0 10px}
.welcome .halo{width:66px;height:66px;margin:0 auto 18px;border-radius:20px;display:grid;place-items:center;
  font-size:27px;background:linear-gradient(140deg,rgba(122,0,240,.3),rgba(122,0,240,.06));
  border:1px solid rgba(122,0,240,.35);box-shadow:0 0 50px rgba(122,0,240,.3)}
.welcome h2{font-size:clamp(24px,4vw,34px);margin-bottom:8px}
.welcome p{color:var(--text-muted);font-size:14px}
.chips{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;margin-top:22px}
.chip{padding:9px 15px;border-radius:999px;border:1px solid var(--line-2);
  background:rgba(20,20,32,.6);color:var(--text-muted);cursor:pointer;font-size:12.5px;transition:.16s}
.chip:hover{border-color:rgba(122,0,240,.5);color:var(--text);background:rgba(122,0,240,.1)}

.tool-strip{display:flex;flex-wrap:wrap;gap:7px;margin:0 auto 12px;max-width:860px}
.tool-chip{display:inline-flex;align-items:center;gap:7px;font-size:11.5px;padding:4px 10px;
  border-radius:999px;border:1px solid var(--line-2);color:var(--text-muted);background:rgba(20,20,32,.6)}
.tool-chip.running{color:var(--silver-light);border-color:rgba(122,0,240,.4)}
.tool-chip.running .dot{background:var(--primary-glow);animation:pulse 1s infinite}
.tool-chip.ok{color:var(--primary-glow);border-color:rgba(122,0,240,.4)}
.tool-chip.error{color:var(--accent-glow);border-color:rgba(237,25,8,.4)}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor}
@keyframes pulse{0%,100%{opacity:.3;transform:scale(.8)}50%{opacity:1;transform:scale(1.25)}}

.files-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:12px}
.file-card{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:11px;
  background:#0A0A12;border:1px solid var(--line-2);max-width:100%}
.file-card .ficon{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;flex:none;
  background:rgba(122,0,240,.16);color:var(--primary-glow);font-size:15px}
.file-card .fname{font-size:12.5px;max-width:230px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-card .fsize{font-size:10.5px;color:var(--text-dim)}
.file-card a{color:var(--text-muted);font-size:12px}
.file-card img{width:100%;border-radius:8px}

.composer-wrap{padding:10px 22px 16px;background:linear-gradient(180deg,transparent,rgba(5,5,8,.9) 42%)}
.composer{max-width:860px;margin:0 auto;display:flex;align-items:flex-end;gap:9px;
  padding:8px 9px;border-radius:17px;border:1px solid var(--line-2);
  background:#0A0A12;box-shadow:0 14px 40px rgba(0,0,0,.45);transition:.18s}
.composer:focus-within{border-color:rgba(122,0,240,.6);box-shadow:0 0 0 3px rgba(122,0,240,.13),0 14px 40px rgba(0,0,0,.45)}
.composer textarea{flex:1;background:none;border:0;outline:none;resize:none;padding:9px 6px;
  max-height:200px;line-height:1.7;font-size:14.5px}
.composer .icon-btn{width:38px;height:38px;border-radius:11px;border:0;cursor:pointer;
  background:rgba(200,186,227,.07);color:var(--text-muted);display:grid;place-items:center;flex:none;font-size:18px}
.composer .icon-btn:hover{background:rgba(200,186,227,.12);color:var(--text)}
.composer .send{width:40px;height:40px;border-radius:12px;border:0;cursor:pointer;
  background:linear-gradient(135deg,var(--primary-light),var(--primary-dark));color:#fff;
  display:grid;place-items:center;flex:none;box-shadow:0 6px 20px rgba(122,0,240,.4);transition:.16s}
.composer .send:hover{filter:brightness(1.12)}
.composer .send:disabled{opacity:.4;cursor:not-allowed}
.composer-meta{max-width:860px;margin:8px auto 0;display:flex;gap:10px;align-items:center;
  font-size:11px;color:var(--text-dim)}
.attach-list{max-width:860px;margin:0 auto 8px;display:flex;flex-wrap:wrap;gap:7px}
.attach-pill{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;padding:4px 9px;
  border-radius:8px;background:rgba(122,0,240,.13);border:1px solid rgba(122,0,240,.3)}
.attach-pill button{background:none;border:0;color:var(--text-dim);cursor:pointer}
.typing{display:inline-flex;gap:4px;padding:4px 0}
.typing i{width:6px;height:6px;border-radius:50%;background:var(--primary-glow);animation:blink 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}
.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.22}40%{opacity:1}}

/* ---------- account / admin ---------- */
.tabs{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:20px;padding:5px;border-radius:12px;
  border:1px solid var(--glass-border);background:rgba(10,10,16,.6);width:fit-content;max-width:100%}
.tab{padding:7px 14px;border-radius:9px;color:var(--text-muted);font-size:13px;border:1px solid transparent}
.tab:hover{color:var(--text);background:var(--glass-hover)}
.tab.on{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  box-shadow:0 5px 18px rgba(122,0,240,.3)}
.stat{padding:18px;border-radius:var(--radius-md);border:1px solid var(--glass-border);
  background:linear-gradient(180deg,var(--glass),rgba(20,20,32,.35))}
.stat .k{font-size:11.5px;color:var(--text-dim)}
.stat .v{font-size:23px;font-weight:700;margin-top:2px;letter-spacing:-.02em}
.stat .v.purple{background:linear-gradient(120deg,var(--silver-light),var(--primary-glow));
  -webkit-background-clip:text;background-clip:text;color:transparent}
table.data{width:100%;border-collapse:collapse;font-size:13px}
table.data th{text-align:start;font-weight:500;color:var(--text-dim);font-size:11.5px;
  padding:9px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
table.data td{padding:10px;border-bottom:1px solid var(--line);vertical-align:middle}
table.data tr:hover td{background:rgba(122,0,240,.035)}
.table-wrap{overflow-x:auto}
.kv{display:grid;grid-template-columns:190px 1fr;gap:10px 16px;align-items:center}
.plan-edit{border:1px solid var(--glass-border);border-radius:var(--radius-md);padding:18px;
  background:var(--glass)}
.plan-edit + .plan-edit{margin-top:14px}
.plan-edit summary{cursor:pointer;font-weight:600;font-size:14px;list-style:none;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.plan-edit summary::-webkit-details-marker{display:none}
.plan-edit summary::after{content:"▾";margin-inline-start:auto;color:var(--text-dim);transition:.2s}
.plan-edit[open] summary::after{transform:rotate(180deg)}
.pay-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px}
.logo-preview{width:64px;height:64px;border-radius:14px;border:1px solid var(--line-2);
  background:rgba(255,255,255,.03);object-fit:contain;padding:5px}

/* ---------- result / footer ---------- */
.result-card{max-width:560px;margin:8vh auto;text-align:center;padding:38px}
.result-icon{width:74px;height:74px;border-radius:22px;margin:0 auto 20px;display:grid;place-items:center;
  font-size:32px;border:1px solid transparent}
.result-icon.ok{background:linear-gradient(140deg,rgba(122,0,240,.3),rgba(122,0,240,.06));
  border-color:rgba(122,0,240,.4);box-shadow:0 0 50px rgba(122,0,240,.3);color:var(--primary-glow)}
.result-icon.bad{background:linear-gradient(140deg,rgba(237,25,8,.28),rgba(237,25,8,.05));
  border-color:rgba(237,25,8,.4);box-shadow:0 0 50px rgba(237,25,8,.22);color:var(--accent-glow)}
.footer{border-top:1px solid var(--glass-border);padding:26px 24px;color:var(--text-dim);font-size:12px}
.footer-in{max-width:1180px;margin:0 auto;display:flex;gap:14px;align-items:center;flex-wrap:wrap;justify-content:space-between}
.footer a{color:var(--text-muted)}
.toast{position:fixed;inset-inline:0;bottom:26px;margin:0 auto;width:fit-content;max-width:90vw;
  padding:10px 18px;border-radius:11px;z-index:90;background:#171024;border:1px solid var(--line-2);
  color:var(--text);box-shadow:var(--shadow);font-size:13px;opacity:0;transform:translateY(10px);
  transition:.2s;pointer-events:none}
.toast.show{opacity:1;transform:none}
.toast.err{border-color:rgba(237,25,8,.45);background:#26100F;color:#FFD7D3}

/* ---------- page-specific ---------- */
.page-home .topbar,.page-pricing .topbar{background:linear-gradient(180deg,rgba(5,5,8,.9),rgba(5,5,8,.62))}
.page-chat .footer{display:none}
.page-chat .topbar{padding:10px 20px}
.page-chat .topbar .brand small{display:none}

/* ---------- responsive ---------- */
@media(max-width:920px){
  .chat-shell{grid-template-columns:1fr}
  .sidebar{position:fixed;inset:58px auto 0 0;width:280px;z-index:55;
    transform:translateX(-105%);transition:.22s;background:var(--bg2);box-shadow:var(--shadow)}
  [dir="rtl"] .sidebar{inset:58px 0 0 auto;transform:translateX(105%)}
  .sidebar.open{transform:none}
  .topbar{padding:10px 14px;gap:9px}
  .wrap{padding:24px 16px 64px}
  .kv{grid-template-columns:1fr}
  .nav a span.lbl{display:none}
  .nav{gap:2px}
  .hero{padding:52px 0 24px}
  .plan .price .num{font-size:33px}
}
@media(max-width:540px){
  .brand small{display:none}
  .hero-stats{gap:20px}
  .composer-meta span:last-child{display:none}
  .card{padding:18px}
  .plan{padding:24px 20px}
}

/* ==========================================================================
   2026 feature wave — logo avatar, typing caret, voice, previews, wallet
   ========================================================================== */

/* logo avatar */
.logo-who{background:rgba(122,0,240,.10)!important;border:1px solid rgba(122,0,240,.32);
  overflow:hidden;padding:3px}
.logo-who img{width:100%;height:100%;object-fit:contain;border-radius:8px;display:block}
.logo-who span{color:var(--primary-glow)}
.logo-halo{overflow:hidden}
.logo-halo img{width:100%;height:100%;object-fit:contain;padding:8px}

/* spin while the model is answering */
.msg.streaming .logo-who{animation:spin360 1.6s linear infinite;
  box-shadow:0 0 22px rgba(122,0,240,.55)}
@keyframes spin360{to{transform:rotate(360deg)}}
.msg.streaming .bubble{border-color:rgba(122,0,240,.42);
  box-shadow:0 0 0 1px rgba(122,0,240,.10),0 12px 40px rgba(122,0,240,.12)}

/* streaming caret */
.caret{display:inline-block;width:8px;height:1.05em;margin-inline-start:2px;vertical-align:-.15em;
  border-radius:2px;background:linear-gradient(180deg,var(--primary-glow),var(--primary));
  animation:caretPulse .9s ease-in-out infinite;box-shadow:0 0 10px rgba(178,102,255,.8)}
@keyframes caretPulse{0%,100%{opacity:1;transform:scaleY(1)}50%{opacity:.35;transform:scaleY(.8)}}

/* live dot in chat head */
.live-dot{width:7px;height:7px;border-radius:50%;background:var(--primary-glow);
  box-shadow:0 0 0 0 rgba(178,102,255,.7);animation:livePulse 2s infinite}
@keyframes livePulse{0%{box-shadow:0 0 0 0 rgba(178,102,255,.55)}
  70%{box-shadow:0 0 0 8px rgba(178,102,255,0)}100%{box-shadow:0 0 0 0 rgba(178,102,255,0)}}

/* composer polish */
.composer.drag{border-color:rgba(122,0,240,.85);box-shadow:0 0 0 3px rgba(122,0,240,.2)}
.composer .icon-btn.mic svg{pointer-events:none}
.composer .icon-btn.mic.recording{background:rgba(237,25,8,.18);color:var(--accent-glow);
  animation:micPulse 1.1s infinite}
@keyframes micPulse{0%,100%{box-shadow:0 0 0 0 rgba(237,25,8,.45)}50%{box-shadow:0 0 0 8px rgba(237,25,8,0)}}

/* file cards + preview modal */
.file-card{border-radius:13px;background:linear-gradient(160deg,#0C0C16,#0A0A12)}
.file-card .fc-actions{display:flex;gap:5px;align-items:center}
.file-card .inline-preview{width:100%;max-width:300px;border-radius:9px;margin-top:8px;display:block}
.file-card .inline-audio{width:230px;margin-top:8px}
.preview-modal{position:fixed;inset:0;z-index:120;display:grid;place-items:center;
  background:rgba(3,3,6,.82);backdrop-filter:blur(8px);padding:26px;animation:fade .18s}
.preview-box{width:min(1100px,94vw);height:min(760px,88vh);display:flex;flex-direction:column;
  border-radius:var(--radius-lg);border:1px solid rgba(122,0,240,.3);background:var(--bg2);
  box-shadow:0 30px 100px rgba(0,0,0,.7);overflow:hidden}
.preview-head{display:flex;align-items:center;gap:10px;padding:11px 14px;
  border-bottom:1px solid var(--glass-border);font-size:13px}
.preview-body{flex:1;min-height:0;background:#fff;display:grid;place-items:center;overflow:auto}
.preview-body iframe{width:100%;height:100%;border:0;background:#fff}
.preview-body img{max-width:100%;max-height:100%;object-fit:contain;background:#0a0a12}

/* sidebar polish */
.sidebar{background:linear-gradient(180deg,rgba(10,10,18,.72),rgba(6,6,10,.82))}
.conv-item .conv-dot{width:6px;height:6px;border-radius:50%;background:var(--line-2);flex:none}
.conv-item.active .conv-dot{background:var(--primary-glow);box-shadow:0 0 8px var(--primary-glow)}
.side-user{display:flex;align-items:center;gap:10px;padding:8px;border-radius:12px;
  background:rgba(122,0,240,.06);border:1px solid var(--glass-border);color:var(--text)}
.side-user:hover{background:rgba(122,0,240,.11);color:var(--text)}
.side-user .avatar.sm{width:30px;height:30px;font-size:12px;border-radius:9px}
.side-user-txt{display:grid;line-height:1.35;min-width:0}
.side-user-txt b{font-size:12.5px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.side-user-txt small{font-size:10.5px;color:var(--text-dim)}
.side-wallet{display:flex;align-items:center;justify-content:space-between;font-size:11.5px;
  padding:7px 10px;border-radius:10px;background:rgba(122,0,240,.08);
  border:1px solid rgba(122,0,240,.18);color:var(--text-muted)}
.side-wallet b{color:var(--silver-light)}
.side-meter{font-size:11.5px}
.nav-avatar{display:inline-flex;align-items:center;padding:0!important;background:none!important}
.nav-avatar .avatar{transition:.2s}
.nav-avatar:hover .avatar{box-shadow:0 0 24px rgba(122,0,240,.8)}

/* wallet / quota cards */
.wallet-card{position:relative;overflow:hidden;
  background:radial-gradient(600px 240px at 10% -30%,rgba(122,0,240,.30),transparent 62%),
             linear-gradient(180deg,rgba(24,16,40,.9),rgba(9,9,15,.95))}
.wallet-card .v{background:linear-gradient(110deg,var(--silver-light),var(--primary-glow));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.quota-bar{height:7px;border-radius:999px;background:rgba(200,186,227,.10);overflow:hidden;margin-top:8px}
.quota-bar i{display:block;height:100%;border-radius:999px;
  background:linear-gradient(90deg,var(--primary),var(--primary-glow));
  box-shadow:0 0 12px rgba(122,0,240,.6);transition:width .4s}
.quota-bar.full i{background:linear-gradient(90deg,var(--accent-dark),var(--accent-glow));
  box-shadow:0 0 12px rgba(237,25,8,.55)}
.quota-row{padding:14px;border-radius:var(--radius-md);border:1px solid var(--glass-border);
  background:var(--glass)}
.quota-row + .quota-row{margin-top:10px}
.quota-row .qhead{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:13px}
.quota-row .qhead b{color:var(--silver-light)}

/* tool audit log */
.log-row{padding:12px 14px;border-radius:12px;border:1px solid var(--glass-border);
  background:rgba(12,12,20,.62);font-size:12.5px}
.log-row + .log-row{margin-top:8px}
.log-row .lhead{display:flex;gap:9px;align-items:center;flex-wrap:wrap}
.log-row .tname{font-weight:600;color:var(--silver-light)}
.log-row .src{font-size:10.5px;padding:2px 8px;border-radius:999px;
  border:1px solid var(--line-2);color:var(--text-dim)}
.log-row .args{margin-top:6px;font-family:ui-monospace,Consolas,monospace;font-size:11px;
  color:var(--text-dim);direction:ltr;text-align:left;word-break:break-all;max-height:80px;overflow:auto}
.log-row .res{margin-top:6px;color:var(--text-muted);font-size:11.5px;max-height:70px;overflow:auto}

/* landing refresh */
.hero-cta-glow{position:relative}
.hero-cta-glow::after{content:"";position:absolute;inset:-30% -10%;z-index:-1;border-radius:40px;
  background:radial-gradient(circle,rgba(122,0,240,.4),transparent 70%);filter:blur(22px)}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.tool-showcase{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:26px}
.tool-tile{display:flex;flex-direction:column;gap:6px;padding:16px;border-radius:14px;
  border:1px solid var(--glass-border);background:linear-gradient(170deg,rgba(122,0,240,.07),rgba(14,14,22,.7));
  transition:.2s}
.tool-tile:hover{transform:translateY(-3px);border-color:rgba(122,0,240,.4)}
.tool-tile .ti{font-size:20px}
.tool-tile b{font-size:13px}
.tool-tile small{color:var(--text-dim);font-size:11px;line-height:1.5}
.pill-row{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:18px}
.pill{padding:5px 13px;border-radius:999px;font-size:11.5px;color:var(--silver);
  border:1px solid var(--line-2);background:rgba(20,20,32,.5)}

/* admin tabs scroll */
.tabs{overflow-x:auto;scrollbar-width:thin}
.tabs .tab{white-space:nowrap}

@media(max-width:540px){
  .preview-modal{padding:10px}
  .preview-box{height:92vh}
  .wallet-card{padding:18px}
}

/* ==========================================================================
   v2 additions: avatars, composer tools, live voice, auth tabs, profile
   ========================================================================== */
.avatar{overflow:hidden}
.avatar img,.who img{width:100%;height:100%;object-fit:cover;border-radius:inherit;display:block}
.msg .who{overflow:hidden}

/* composer: web search + conversation toggles */
.composer .icon-btn.web-toggle.on{color:#fff;background:linear-gradient(135deg,rgba(0,190,255,.35),rgba(122,0,240,.35));
  box-shadow:0 0 0 1px rgba(0,229,255,.45),0 0 18px rgba(0,229,255,.25)}
.composer .icon-btn.talk svg{pointer-events:none}
.composer .icon-btn.talk.recording{background:rgba(122,0,240,.25);color:#fff;animation:talkPulse 1.4s infinite}
@keyframes talkPulse{0%,100%{box-shadow:0 0 0 0 rgba(155,48,255,.5)}50%{box-shadow:0 0 0 9px rgba(155,48,255,0)}}

/* live transcript panel */
.voice-live{margin-bottom:10px;border-radius:16px;padding:12px 14px;
  background:linear-gradient(160deg,rgba(18,10,34,.96),rgba(10,8,18,.96));
  border:1px solid rgba(155,48,255,.35);box-shadow:0 10px 40px rgba(0,0,0,.45),0 0 30px rgba(122,0,240,.18)}
.vl-head{display:flex;align-items:center;gap:10px;font-size:13px}
.vl-head .spacer{flex:1}
.vl-timer{color:var(--text-dim);font-size:12px;padding:2px 8px;border-radius:7px;background:rgba(255,255,255,.04)}
.vl-count{font-size:12px;color:#ffd5a0;padding:2px 9px;border-radius:999px;background:rgba(255,160,40,.12);border:1px solid rgba(255,160,40,.3)}
.vl-wave{display:inline-flex;gap:3px;align-items:center;height:18px}
.vl-wave i{width:3px;border-radius:3px;background:var(--primary-glow);animation:vw 1s ease-in-out infinite}
.vl-wave i:nth-child(1){height:6px;animation-delay:0s}.vl-wave i:nth-child(2){height:14px;animation-delay:.15s}
.vl-wave i:nth-child(3){height:18px;animation-delay:.3s}.vl-wave i:nth-child(4){height:12px;animation-delay:.45s}
.vl-wave i:nth-child(5){height:7px;animation-delay:.6s}
@keyframes vw{0%,100%{transform:scaleY(.4)}50%{transform:scaleY(1)}}
.vl-text{margin-top:8px;font-size:15.5px;line-height:1.9;min-height:30px;max-height:140px;overflow:auto;color:var(--text)}
.vl-interim{color:var(--text-muted);border-bottom:1px dashed rgba(178,102,255,.5)}
.vl-silence{height:3px;border-radius:3px;background:rgba(255,255,255,.05);margin-top:10px;overflow:hidden}
.vl-silence i{display:block;height:100%;width:0;background:linear-gradient(90deg,#ffb347,#ff6b5e);transition:width .1s linear}

/* auth tabs */
.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:5px;border-radius:13px;background:rgba(255,255,255,.03);
  border:1px solid var(--line);margin-bottom:16px}
.auth-tab{border:0;background:none;padding:9px;border-radius:10px;cursor:pointer;color:var(--text-muted);font-size:13.5px}
.auth-tab.on{background:linear-gradient(135deg,rgba(122,0,240,.35),rgba(98,0,204,.25));color:#fff;box-shadow:inset 0 0 0 1px rgba(155,48,255,.4)}
.otp-input{letter-spacing:.6em;text-align:center;font-size:22px;font-family:ui-monospace,Consolas,monospace}
button.link{background:none;border:0;color:var(--primary-glow);cursor:pointer;padding:0}
button.link[disabled]{color:var(--text-dim);cursor:default}

/* account */
.acc-profile{position:relative;overflow:hidden}
.acc-profile::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--acc),transparent)}
.acc-avatar-wrap{display:flex;flex-direction:column;gap:8px;width:110px;flex:none}
.acc-avatar-form{display:flex;flex-direction:column;gap:6px}
.acc-mini-stats{display:flex;gap:18px;flex-wrap:wrap;margin-top:12px;font-size:13px;color:var(--text-muted)}
.acc-mini-stats b{color:var(--text);font-size:16px}
.acc-edit{margin-top:16px;border-top:1px solid var(--line);padding-top:12px}
.acc-edit>summary{cursor:pointer;color:var(--primary-glow);font-size:13.5px;margin-bottom:12px}
.banner-pick{display:flex;flex-wrap:wrap;gap:8px}
.banner-pick label{cursor:pointer}
.banner-pick input{display:none}
.banner-pick span{display:inline-flex;align-items:center;justify-content:center;width:92px;height:42px;border-radius:11px;font-size:11.5px;
  color:#fff;border:2px solid transparent;text-shadow:0 1px 4px rgba(0,0,0,.6)}
.banner-pick input:checked+span{border-color:#fff;box-shadow:0 0 0 3px rgba(155,48,255,.5)}
.conn-card h3{margin-bottom:10px}

/* banners */
.banner-aurora{background:radial-gradient(120% 140% at 10% 0%,#7a00f0 0%,transparent 55%),radial-gradient(120% 140% at 90% 10%,#00c2ff 0%,transparent 50%),linear-gradient(135deg,#130a2a,#05060d)}
.banner-matrix{background:repeating-linear-gradient(90deg,rgba(0,255,140,.13) 0 2px,transparent 2px 14px),linear-gradient(180deg,#00170d,#020604)}
.banner-neon{background:linear-gradient(120deg,#ff2bd6,#7a00f0 45%,#00e5ff)}
.banner-sunset{background:linear-gradient(135deg,#ff7a18,#ed1908 45%,#5a0b6b)}
.banner-ocean{background:linear-gradient(135deg,#00a6c7,#0b3b8c 55%,#050a2b)}
.banner-mono{background:linear-gradient(135deg,#2a2a35,#0b0b10)}

/* public profile (GitHub-like) */
.pf{--acc:#9B30FF}
.pf-banner{height:190px;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.pf-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:32px 32px;mask-image:linear-gradient(180deg,#000,transparent)}
.pf-wrap{max-width:1180px;margin:0 auto;padding:0 22px 60px}
.pf-layout{display:grid;grid-template-columns:300px 1fr;gap:28px}
.pf-side{margin-top:-80px;position:relative}
.pf-avatar{width:110px;height:110px;border-radius:50%;display:grid;place-items:center;font-size:40px;font-weight:800;color:#fff;overflow:hidden;
  background:linear-gradient(135deg,var(--acc),#1a0b33);box-shadow:0 0 0 4px var(--bg),0 0 0 6px var(--acc),0 0 40px color-mix(in srgb,var(--acc) 45%,transparent)}
.pf-avatar.lg{width:240px;height:240px;font-size:84px}
.pf-avatar img{width:100%;height:100%;object-fit:cover}
.pf-name{font-size:26px;margin:16px 0 0}
.pf-handle{color:var(--text-muted);font-size:17px;font-weight:300}
.pf-headline{margin-top:8px;color:var(--acc);font-weight:500}
.pf-bio{margin:12px 0 16px;white-space:pre-wrap;color:var(--text)}
.pf-meta{list-style:none;padding:0;margin:16px 0 0;display:flex;flex-direction:column;gap:7px;font-size:13.5px;color:var(--text-muted)}
.pf-meta li{display:flex;gap:9px;align-items:center;word-break:break-all}
.pf-meta li>span:first-child{width:18px;text-align:center;opacity:.8}
.pf-main{padding-top:22px;min-width:0}
.pf-stats{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:18px}
.pf-stat{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px;text-align:center;position:relative;overflow:hidden}
.pf-stat::after{content:"";position:absolute;inset:auto 0 0 0;height:2px;background:linear-gradient(90deg,transparent,var(--acc),transparent)}
.pf-stat b{display:block;font-size:24px;font-family:ui-monospace,Consolas,monospace}
.pf-stat span{font-size:12px;color:var(--text-muted)}
.pf-card{margin-bottom:18px}
.pf-heat-scroll{overflow-x:auto;padding-bottom:4px;direction:ltr}
.pf-heat{display:flex;gap:3px;width:max-content}
.pf-week{display:flex;flex-direction:column;gap:3px}
.pf-week i,.pf-legend i{width:12px;height:12px;border-radius:3px;display:block;background:rgba(255,255,255,.05)}
.pf-heat .lvx{visibility:hidden}
.lv0{background:rgba(255,255,255,.05)!important}
.lv1{background:color-mix(in srgb,var(--acc) 30%,transparent)!important}
.lv2{background:color-mix(in srgb,var(--acc) 55%,transparent)!important}
.lv3{background:color-mix(in srgb,var(--acc) 80%,transparent)!important}
.lv4{background:var(--acc)!important;box-shadow:0 0 8px var(--acc)}
.pf-legend{display:flex;align-items:center;gap:3px;font-size:11px;color:var(--text-dim)}
.pf-legend span{margin:0 4px}
.pf-days{display:none}
.pf-tools{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 22px}
.pf-tbar{height:7px;border-radius:7px;background:rgba(255,255,255,.05);overflow:hidden;margin-top:5px}
.pf-tbar i{display:block;height:100%;border-radius:7px;background:linear-gradient(90deg,var(--acc),#00e5ff)}
.pf-hidden{max-width:420px;margin:-80px auto 0;text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px}
@media (max-width:900px){
  .pf-layout{grid-template-columns:1fr}
  .pf-side{display:flex;flex-direction:column;align-items:center;text-align:center}
  .pf-avatar.lg{width:150px;height:150px;font-size:56px}
  .pf-meta{align-items:center}
  .pf-stats{grid-template-columns:repeat(3,1fr)}
  .pf-tools{grid-template-columns:1fr}
  .acc-avatar-wrap{width:90px}
}

.preview-body{background:#0a0a12}
.preview-body iframe{background:#fff}

/* ---------- thin neon purple scrollbars (every scrolling area) ---------- */
*{scrollbar-width:thin;scrollbar-color:#9B30FF transparent}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{border-radius:10px;border:0;
  background:linear-gradient(180deg,#B266FF,#7A00F0 55%,#ff2bd6);
  box-shadow:0 0 6px rgba(155,48,255,.9),0 0 14px rgba(155,48,255,.55)}
::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,#d2a6ff,#9B30FF 55%,#ff5be3);
  box-shadow:0 0 8px rgba(178,102,255,1),0 0 20px rgba(178,102,255,.7)}
::-webkit-scrollbar-corner{background:transparent}

/* ---------- AI avatar spins while the answer is being written ---------- */
@keyframes aiSpin{to{transform:rotate(360deg)}}
.msg.assistant.streaming .logo-who{box-shadow:0 0 0 2px rgba(178,102,255,.55),0 0 22px rgba(155,48,255,.7)}
.msg.assistant.streaming .logo-who img,
.msg.assistant.streaming .logo-who span{animation:aiSpin 2.8s linear infinite;display:block}
.logo-who img{border-radius:50%;object-fit:cover}

/* ---------- code boxes: colours + copy + download ---------- */
.code-box{margin:12px 0;border-radius:14px;overflow:hidden;border:1px solid rgba(155,48,255,.35);
  background:#0b0a14;box-shadow:0 8px 30px rgba(0,0,0,.35),0 0 18px rgba(122,0,240,.12);direction:ltr;text-align:left}
.code-head{display:flex;align-items:center;gap:6px;padding:6px 10px;background:linear-gradient(90deg,rgba(122,0,240,.22),rgba(0,229,255,.06));
  border-bottom:1px solid rgba(155,48,255,.25);font-size:12px}
.code-lang{font-family:ui-monospace,Consolas,monospace;color:#d8c4ff;text-transform:lowercase;letter-spacing:.04em}
.code-sp{flex:1}
.code-btn{border:1px solid rgba(178,102,255,.4);background:rgba(155,48,255,.12);color:#eadcff;border-radius:8px;
  padding:3px 10px;font-size:11.5px;cursor:pointer;transition:.15s;font-family:inherit}
.code-btn:hover{background:rgba(155,48,255,.3);box-shadow:0 0 12px rgba(155,48,255,.45)}
.code-box pre{margin:0;padding:14px 16px;overflow:auto;max-height:520px;background:transparent!important;border:0!important;border-radius:0}
.code-box code.hljs,.code-box pre code{background:transparent!important;padding:0;font-family:ui-monospace,"Cascadia Code",Consolas,monospace;
  font-size:13px;line-height:1.65;white-space:pre}

/* ---------- profile cover ---------- */
.pf-banner.has-cover{background-size:cover;background-position:center}
.pf-banner{position:relative}
.pf-cover-edit{position:absolute;inset-inline-end:16px;bottom:14px;padding:6px 12px;border-radius:10px;font-size:12.5px;
  background:rgba(5,5,8,.65);color:#fff;border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(6px)}
.acc-cover{position:relative;height:150px;border-radius:14px;margin:16px 0 4px;background-size:cover;background-position:center;
  overflow:hidden;border:1px solid var(--line)}
.acc-cover-actions{position:absolute;inset-inline-end:12px;bottom:12px;display:flex;gap:6px}
.acc-cover-actions .btn{background:rgba(5,5,8,.65);backdrop-filter:blur(6px)}
.acc-cover-hint{position:absolute;inset-inline-start:12px;bottom:14px;color:rgba(255,255,255,.75);text-shadow:0 1px 4px #000}

/* "Continue with GitHub" */
.btn-github{display:flex;align-items:center;justify-content:center;gap:10px;background:#f0f6fc;color:#0d1117;border-color:transparent;font-weight:700}
.btn-github:hover{background:#fff;color:#0d1117}
.auth-or{display:flex;align-items:center;gap:12px;color:var(--text-dim);font-size:12.5px;margin:14px 0}
.auth-or::before,.auth-or::after{content:"";flex:1;height:1px;background:var(--line)}