:root{--bg:#000;--fg:#fafafa;--mut:#8a8a8a;--dim:#555;--line:#1c1c1c;--line2:#2a2a2a;--card:#0a0a0a;--r:20px;--ease:cubic-bezier(.2,.8,.2,1)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--fg);font:400 16px/1.55 "Inter Tight",system-ui,sans-serif;-webkit-font-smoothing:antialiased;min-height:100vh;
  background-image:radial-gradient(ellipse 80% 50% at 50% -10%,#ffffff12,transparent 60%)}
::selection{background:#fff;color:#000}
.grain{position:fixed;inset:0;pointer-events:none;z-index:100;opacity:.045;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.9'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.mono{font-family:"JetBrains Mono",ui-monospace,monospace;font-size:13px}
.muted{color:var(--mut)}.small{font-size:13px}.center{text-align:center}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}

/* nav */
.nav{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:32px;padding:14px 5vw;backdrop-filter:blur(16px) saturate(1.4);background:#000b;border-bottom:1px solid var(--line)}
.logo{font-weight:700;letter-spacing:.08em}.logo span{color:var(--dim);margin:0 2px}
.nav nav{display:flex;gap:24px;margin-right:auto;color:var(--mut);font-size:14px}.nav nav a{transition:.2s}.nav nav a:hover{color:var(--fg)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.pill{border:1px solid var(--line2);border-radius:999px;padding:6px 12px;font-size:12px;background:#0d0d0d}
.user-chip{display:flex;align-items:center;gap:8px;color:var(--mut)}
.avatar{width:28px;height:28px;border-radius:50%;background:#fff;color:#000;display:grid;place-items:center;font-weight:700;font-size:13px}

/* buttons */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 20px;border-radius:999px;border:1px solid #333;background:transparent;color:var(--fg);font-weight:500;font-size:14px;cursor:pointer;transition:.25s var(--ease);white-space:nowrap}
.btn:hover{border-color:#fff}
.btn.primary{background:#fff;color:#000;border-color:#fff}.btn.primary:hover{background:#e5e5e5;transform:translateY(-1px);box-shadow:0 8px 30px #ffffff22}
.btn.ghost{border-color:transparent;color:var(--mut)}.btn.ghost:hover{color:#fff;border-color:#333}
.btn.sm{height:34px;padding:0 14px;font-size:13px}
.btn.lg{height:52px;padding:0 26px;font-size:15px}
.btn:disabled{opacity:.45;cursor:wait;transform:none}
.icon-btn{font-size:20px;line-height:1;background:none;border:1px solid transparent;color:var(--mut);width:30px;height:30px;border-radius:8px;cursor:pointer;transition:.2s}
.icon-btn:hover{color:#fff;border-color:#333}
.link{background:none;border:0;color:var(--mut);cursor:pointer;font-size:11px}.link:hover{color:#fff}

/* landing */
main{max-width:1120px;margin:0 auto;padding:0 5vw}
.hero{position:relative;padding:15vh 0 11vh}
.orb{position:absolute;right:-8%;top:8%;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff,#777 30%,#111 62%,transparent 70%);filter:blur(1px);opacity:.16;animation:float 12s ease-in-out infinite;pointer-events:none}
@keyframes float{50%{transform:translateY(-30px) scale(1.04)}}
.eyebrow{display:flex;align-items:center;gap:10px;font:500 12px "JetBrains Mono";letter-spacing:.2em;color:var(--mut);margin-bottom:28px}
.dot,.status i{width:7px;height:7px;border-radius:50%;background:#fff;box-shadow:0 0 12px #fff;animation:p 2s infinite}
@keyframes p{50%{opacity:.3}}
h1{font-size:clamp(48px,9vw,124px);line-height:.93;font-weight:600;letter-spacing:-.05em}
h1 em,h2 em{font-style:normal;color:transparent;-webkit-text-stroke:1px #fff}
.lead{margin-top:28px;max-width:540px;color:var(--mut);font-size:19px}.lead b{color:#fff;font-weight:500}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px}
.ticker{display:inline-flex;gap:14px;margin-top:48px;padding:10px 16px;border:1px solid var(--line2);border-radius:12px;background:#0a0a0acc}
.ticker span{color:var(--dim)}
.block{padding:80px 0;border-top:1px solid var(--line)}
.block-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:28px}
h2{font-size:30px;font-weight:600;letter-spacing:-.03em}
.models{display:grid;gap:14px}
.model{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;align-items:center;gap:20px;padding:28px 30px;border:1px solid var(--line);border-radius:var(--r);background:linear-gradient(180deg,#0e0e0e,#070707);transition:.35s var(--ease)}
.model:hover{border-color:#3a3a3a;transform:translateY(-3px);box-shadow:0 20px 60px #0008}
.vendor{font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:var(--dim)}
.model h3{font-size:24px;font-weight:600;letter-spacing:-.02em}
.stat b{display:block;font-size:28px;font-weight:500;letter-spacing:-.02em}
.stat span{font:11px "JetBrains Mono";color:var(--mut);text-transform:uppercase;letter-spacing:.1em}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.step{padding:28px;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
.step span{color:var(--dim)}.step h3{font-size:20px;margin:18px 0 6px;font-weight:600}
.code{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px 26px;overflow-x:auto;font:13px/1.7 "JetBrains Mono";color:#cfcfcf}
.code.sm{padding:16px 18px;font-size:12px;max-height:240px}
footer{text-align:center;padding:48px 0 64px;border-top:1px solid var(--line)}

/* auth */
.auth-page{display:grid;grid-template-columns:1.05fr 1fr;min-height:100vh}
.auth-art{position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;padding:36px 48px;border-right:1px solid var(--line);background:#050505}
.grid-art{position:absolute;inset:0;background-image:linear-gradient(#ffffff0d 1px,transparent 1px),linear-gradient(90deg,#ffffff0d 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse 70% 60% at 40% 55%,#000 30%,transparent 75%);animation:pan 30s linear infinite}
@keyframes pan{to{background-position:48px 48px}}
.auth-art>*{position:relative}
.art-copy h2{font-size:clamp(44px,5.4vw,84px);line-height:.95;letter-spacing:-.05em;margin-bottom:36px}
.art-card{display:inline-flex;flex-direction:column;gap:6px;padding:18px 22px;border:1px solid var(--line2);border-radius:14px;background:#000c;backdrop-filter:blur(8px)}
.art-card .muted{display:inline-block;width:76px}
.blink{animation:p 1s steps(1) infinite}
.auth-main{display:grid;place-items:center;padding:40px 24px}
.auth-card{width:100%;max-width:400px;display:flex;flex-direction:column;gap:16px;animation:rise .6s var(--ease)}
@keyframes rise{from{opacity:0;transform:translateY(16px)}}
.auth-card h1{font-size:40px;letter-spacing:-.04em;line-height:1;margin-top:18px}
.tabs{position:relative;display:grid;grid-template-columns:1fr 1fr;padding:4px;border:1px solid var(--line2);border-radius:999px;background:#0a0a0a}
.tabs button{position:relative;z-index:1;height:36px;border:0;background:none;color:var(--mut);cursor:pointer;font-size:14px;font-weight:500;transition:color .3s}
.tabs button.active{color:#000}
.tab-ink{position:absolute;top:4px;left:4px;width:calc(50% - 4px);height:36px;border-radius:999px;background:#fff;transition:transform .4s var(--ease)}
body[data-mode=register] .tab-ink{transform:translateX(100%)}
body[data-mode=login] .only-register,body[data-mode=register] .only-login{display:none}
.field{display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--mut)}
.field span{display:flex;justify-content:space-between;align-items:center}
.field input{height:50px;padding:0 16px;border-radius:14px;border:1px solid var(--line2);background:#0a0a0a;color:#fff;font:inherit;font-size:15px;outline:0;transition:.2s}
.field input:hover{border-color:#3a3a3a}
.field input:focus{border-color:#fff;box-shadow:0 0 0 4px #ffffff14}
.strength{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:-6px}
.strength i{height:3px;border-radius:3px;background:var(--line2);transition:.3s}
.strength[data-score="1"] i:nth-child(-n+1),.strength[data-score="2"] i:nth-child(-n+2),.strength[data-score="3"] i:nth-child(-n+3),.strength[data-score="4"] i{background:#fff}
.auth-error{min-height:18px;font-size:13px;color:#ff7a7a}
.block-btn{width:100%}
.spinner{display:none;width:16px;height:16px;border:2px solid #0003;border-top-color:#000;border-radius:50%;animation:spin .7s linear infinite}
.loading .spinner{display:block}.loading span:first-child{opacity:.6}
@keyframes spin{to{transform:rotate(360deg)}}
.switch{text-align:center;font-size:14px}.switch a{color:#fff;text-decoration:underline;text-underline-offset:3px}
.perk{display:flex;justify-content:center;gap:8px;padding:12px;border:1px dashed var(--line2);border-radius:14px;color:var(--mut)}.perk span{color:#fff}
.shake{animation:shake .4s}
@keyframes shake{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}

/* dashboard */
.dash-main{max-width:1320px;display:flex;flex-direction:column;gap:18px;padding-bottom:60px}
.overview{padding-top:40px}
.hello{font-size:clamp(36px,4.5vw,56px);margin-bottom:24px}
.cards{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:14px}
.card{border:1px solid var(--line);border-radius:var(--r);background:linear-gradient(180deg,#0d0d0d,#080808);padding:22px 24px;min-width:0}
.label{font-size:11px;letter-spacing:.16em;color:var(--mut)}
.stat-card{display:flex;flex-direction:column;justify-content:space-between;gap:16px}.stat-card b{font-size:30px;font-weight:500;letter-spacing:-.03em}
.balance-card{display:flex;flex-direction:column;gap:12px;background:#fff;color:#000;border-color:#fff}
.balance-card .label,.balance-card .muted{color:#666}
.big{font-size:clamp(40px,4.4vw,60px);font-weight:600;letter-spacing:-.04em;line-height:1;font-variant-numeric:tabular-nums}
.bar{height:4px;border-radius:4px;background:#0001;overflow:hidden}.bar i{display:block;height:100%;background:#000;transition:width 1s var(--ease)}
.dash-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:18px}
.side{display:flex;flex-direction:column;gap:18px;min-width:0}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.card-head h2{font-size:20px}
select{background:#000;color:#fff;border:1px solid #333;border-radius:999px;padding:8px 14px;max-width:60%}
.pg{display:flex;flex-direction:column;padding:22px 0 0}.pg .card-head{padding:0 24px}
.messages{flex:1;min-height:420px;max-height:560px;overflow-y:auto;padding:16px 24px;display:flex;flex-direction:column;gap:14px;border-top:1px solid var(--line)}
.empty{margin:auto;color:var(--dim)}
.msg{max-width:84%;white-space:pre-wrap;word-wrap:break-word;animation:rise .35s var(--ease)}
.msg.user{align-self:flex-end;background:#fff;color:#000;padding:11px 17px;border-radius:18px 18px 4px 18px}
.msg.assistant{align-self:flex-start;color:#e8e8e8;padding-left:16px;border-left:1px solid #333}
.msg.err{color:#ff7a7a;border-color:#ff7a7a}
.msg.typing::after{content:"▍";animation:p 1s infinite}
.msg-meta{align-self:flex-start;font-size:11px;color:var(--dim);margin:-6px 0 0 16px}
.composer{display:flex;gap:10px;padding:12px;border-top:1px solid var(--line)}
textarea{flex:1;resize:none;background:transparent;border:0;outline:0;color:#fff;font:inherit;padding:10px 12px;max-height:180px}
.composer .btn{width:44px;height:44px;padding:0;font-size:18px}
.new-key{padding:14px;border:1px solid #fff;border-radius:14px;margin-bottom:14px;background:#111;animation:rise .4s var(--ease)}
.key-reveal{display:flex;gap:8px;align-items:center;margin-top:10px}.key-reveal code{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}
.keys{display:flex;flex-direction:column}
.key-row{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--line)}
.key-row:first-child{border-top:0}.key-row b{display:block;font-weight:500;font-size:14px}.key-row .mono{font-size:12px}
.seg{display:inline-flex;padding:3px;border:1px solid var(--line2);border-radius:999px;margin-bottom:12px}
.seg button{border:0;background:none;color:var(--mut);padding:6px 12px;border-radius:999px;cursor:pointer;font-size:12px;transition:.2s}
.seg button.active{background:#fff;color:#000}
.table-wrap{overflow-x:auto}
.table{width:100%;border-collapse:collapse;font-size:12px}
.table th{text-align:left;font-weight:400;color:var(--dim);padding:10px 12px;border-bottom:1px solid var(--line);letter-spacing:.06em}
.table td{padding:12px;border-bottom:1px solid var(--line)}
.table tr:hover td{background:#0f0f0f}
.tag{border:1px solid var(--line2);border-radius:6px;padding:2px 7px;font-size:11px;color:var(--mut)}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);opacity:0;z-index:200;background:#fff;color:#000;padding:10px 18px;border-radius:999px;font-size:14px;font-weight:500;transition:.3s var(--ease);box-shadow:0 10px 40px #0008}
.toast.in{opacity:1;transform:translate(-50%,0)}
body.dash .dash-main{opacity:0;transition:opacity .4s}body.dash.ready .dash-main{opacity:1}

@media (max-width:980px){.cards{grid-template-columns:1fr 1fr}.balance-card{grid-column:1/-1}.dash-grid{grid-template-columns:1fr}.auth-page{grid-template-columns:1fr}.auth-art{display:none}}
@media (max-width:760px){.model{grid-template-columns:1fr 1fr}.model>div:first-child{grid-column:1/-1}.nav nav{display:none}.steps{grid-template-columns:1fr}.msg{max-width:94%}.orb{display:none}}

/* ───────── v3: account menu, profile, fixes ───────── */
.nav nav a.active{color:var(--fg)}
.avatar{flex:none}
.avatar.lg{width:40px;height:40px;font-size:16px}
.avatar.xl{width:76px;height:76px;font-size:30px;box-shadow:0 0 0 6px #ffffff10}
.acct{position:relative}
.acct-btn{display:flex;align-items:center;gap:10px;height:40px;padding:0 12px 0 6px;border:1px solid var(--line2);border-radius:999px;background:#0d0d0d;cursor:pointer;transition:.2s}
.acct-btn:hover,.acct.open .acct-btn{border-color:#555;background:#141414}
.acct-bal{font-size:12px}
.caret{color:var(--mut);transition:transform .25s var(--ease)}
.acct.open .caret{transform:rotate(180deg)}
.menu{position:absolute;right:0;top:calc(100% + 10px);width:290px;padding:8px;border:1px solid var(--line2);border-radius:18px;background:#0b0b0bf5;backdrop-filter:blur(18px);box-shadow:0 24px 80px #000c;opacity:0;transform:translateY(-6px) scale(.98);transform-origin:top right;pointer-events:none;transition:.2s var(--ease);z-index:50}
.acct.open .menu{opacity:1;transform:none;pointer-events:auto}
.menu-head{display:flex;align-items:center;gap:12px;padding:10px 10px 14px}
.menu-id{min-width:0;display:flex;flex-direction:column}
.menu-id b{font-weight:600;font-size:15px}
.menu-id span{font-size:12px;color:var(--mut);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.menu-bal{display:flex;align-items:center;justify-content:space-between;margin:0 2px 6px;padding:12px 14px;border-radius:12px;background:#fff;color:#000}
.menu-bal .label{color:#666;display:block;font-size:10px}
.menu-bal b{font-size:17px}
.plan-badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:500;border:1px solid currentColor;opacity:.85}
.menu-item{display:flex;align-items:center;gap:12px;width:100%;padding:10px 12px;border:0;border-radius:10px;background:none;color:#ddd;font-size:14px;text-align:left;cursor:pointer;transition:.15s}
.menu-item svg{color:var(--mut)}
.menu-item:hover{background:#1a1a1a;color:#fff}.menu-item:hover svg{color:#fff}
.menu-item.danger:hover{color:#ff8a8a}.menu-item.danger:hover svg{color:#ff8a8a}
.menu-sep{height:1px;background:var(--line2);margin:6px 4px}

/* dashboard fixes */
.dash-main{padding-top:8px}
.overview{padding-top:56px}
.stat-card b{margin-top:auto}
.stat-card .small{margin-top:-8px}
.btn.dark{background:#000;color:#fff;border-color:#000}.btn.dark:hover{background:#222;border-color:#222}
.bal-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;color:#555}
.code.sm{white-space:pre-wrap;word-break:break-all}
.key-row{grid-template-columns:1fr auto 32px}
.key-row .icon-btn{display:grid;place-items:center}
.key-row .icon-btn:hover{color:#ff8a8a;border-color:#3a1f1f}
select{appearance:none;-webkit-appearance:none;padding-right:34px;cursor:pointer;background:#000 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10'%3E%3Cpath d='M2 3.5 5 6.5 8 3.5' fill='none' stroke='%23aaa' stroke-width='1.4'/%3E%3C/svg%3E") no-repeat right 14px center}
.messages::-webkit-scrollbar,.table-wrap::-webkit-scrollbar{width:6px;height:6px}
.messages::-webkit-scrollbar-thumb{background:#222;border-radius:6px}
input:-webkit-autofill{-webkit-box-shadow:0 0 0 40px #0a0a0a inset;-webkit-text-fill-color:#fff;caret-color:#fff}

/* profile */
.profile{gap:18px}
.p-hero{display:flex;align-items:center;gap:22px;margin-top:48px;padding:28px}
.p-id{flex:1;min-width:0}
.p-title{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.p-title h1{font-size:clamp(30px,3.6vw,44px);letter-spacing:-.04em;line-height:1.1}
.p-id p{margin-top:6px;overflow:hidden;text-overflow:ellipsis}
.p-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:18px}
.p-grid .balance-card{min-height:260px}
.bal-meta{display:flex;gap:28px;color:#555;font-size:14px}.bal-meta b{color:#000;font-weight:500;margin-left:6px}
.plan-now{display:flex;align-items:baseline;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.plan-now b{font-size:28px;letter-spacing:-.03em;font-weight:600}
.feat{list-style:none;display:grid;gap:10px;padding:18px 0}
.feat li{display:flex;align-items:center;gap:10px;font-size:14px;color:#ddd}.feat svg{color:#fff;flex:none}
.plan-next{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border:1px dashed var(--line2);border-radius:14px}
.plan-next b{display:block}
.payments{display:flex;flex-direction:column}
.pay-row{display:grid;grid-template-columns:36px 1fr auto;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--line)}
.pay-row:first-child{border-top:0}
.pay-row b{display:block;font-weight:500;font-size:14px}
.pay-ic{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:#151515;border:1px solid var(--line2)}
.pos{color:#fff}
.empty-line{padding:24px 0;text-align:center}
.set-form{display:grid;grid-template-columns:1fr 1fr auto;align-items:end;gap:12px;padding-bottom:18px}
.set-form+.set-form{padding-top:18px;border-top:1px solid var(--line)}
.set-form .field input{height:44px;font-size:14px}
.set-form .btn{height:44px}
.field input:disabled{color:var(--mut);cursor:not-allowed}

/* modal */
.modal{position:fixed;inset:0;z-index:90;display:grid;place-items:center;padding:20px;background:#000a;backdrop-filter:blur(10px);opacity:0;pointer-events:none;transition:.25s}
.modal.open{opacity:1;pointer-events:auto}
.modal-card{position:relative;width:100%;max-width:420px;padding:28px;border:1px solid var(--line2);border-radius:24px;background:#0b0b0b;box-shadow:0 40px 120px #000;transform:translateY(14px) scale(.98);transition:.3s var(--ease)}
.modal.open .modal-card{transform:none}
.modal-card h2{margin:8px 0 20px;font-size:28px}
.modal-x{position:absolute;top:16px;right:16px}
.amounts{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:16px}
.amounts button{height:56px;border:1px solid var(--line2);border-radius:14px;background:#0f0f0f;font-size:18px;font-weight:600;cursor:pointer;transition:.2s}
.amounts button:hover{border-color:#555}
.amounts button.active{background:#fff;color:#000;border-color:#fff}
.pay-method{display:flex;align-items:center;gap:14px;padding:14px;border:1px solid var(--line2);border-radius:14px;margin-bottom:12px}
.pay-method b{display:block;font-weight:500;font-size:14px}
.pm-card{width:52px;height:34px;border-radius:6px;display:grid;place-items:center;font-size:10px;letter-spacing:.1em;background:linear-gradient(135deg,#fff,#888);color:#000;font-weight:700}
.note{color:var(--mut);margin-bottom:18px}
.done{text-align:center;padding:12px 0 0}
.done-ic{width:72px;height:72px;margin:6px auto 12px;border-radius:50%;background:#fff;color:#000;display:grid;place-items:center;animation:pop .5s var(--ease)}
@keyframes pop{from{transform:scale(.4);opacity:0}}
.done h2{font-size:40px;margin:0}
.done .btn{margin-top:22px}

@media (max-width:980px){.p-grid{grid-template-columns:1fr}.set-form{grid-template-columns:1fr}}
@media (max-width:760px){.acct-bal{display:none}.p-hero{flex-wrap:wrap}.menu{width:min(290px,calc(100vw - 32px))}}

/* v3.1 fixes */
.menu{background:#0b0b0b}
.field input{width:100%;min-width:0}
.set-form{grid-template-columns:minmax(0,1fr) minmax(0,1fr) auto}
.estimate{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:8px}
.estimate>div{display:flex;flex-direction:column;gap:4px;padding:14px 16px;border-radius:14px;background:#f2f2f2}
.estimate .label{color:#777;font-size:10px}
.estimate b{font-size:22px;color:#000;font-weight:500;letter-spacing:-.02em}
.estimate .small{color:#666;font-size:12px}
@media (max-width:760px){
  .cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
  .stat-card{padding:16px}.stat-card b{font-size:20px}.stat-card .small{display:none}
  .bal-foot{flex-wrap:wrap}
  select{max-width:52%}
  .estimate{grid-template-columns:1fr}
}
@media (max-width:980px){.set-form{grid-template-columns:1fr}}

/* v4: Telegram Stars */
.pay-tabs{display:flex;width:100%;margin-bottom:16px}.pay-tabs button{flex:1;padding:8px 12px;font-size:13px}
.packs{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:12px}
.pack{display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:14px 16px;border:1px solid var(--line2);border-radius:14px;background:#0f0f0f;cursor:pointer;text-align:left;transition:.2s}
.pack:hover{border-color:#555}
.pack b{font-size:18px;font-weight:600}.pack span{font-size:12px;color:var(--mut)}
.pack.active{background:#fff;color:#000;border-color:#fff}.pack.active span{color:#555}
.pm-card.tg{background:linear-gradient(135deg,#fff,#bbb)}
.wait-ic{width:72px;height:72px;margin:6px auto 12px;border-radius:50%;border:1px solid var(--line2);display:grid;place-items:center}
.spinner.on{display:block;width:28px;height:28px;border-color:#fff3;border-top-color:#fff}
.wait-title{font-size:28px!important;margin:0 0 6px!important}
#topup-wait .btn{margin-top:22px}
.pay-row.refunded b,.pay-row.refunded .pos{color:var(--mut)}
.pay-ic{font-size:16px}

/* v5: footer, consent, legal docs */
.site-foot{border-top:1px solid var(--line);padding:36px 5vw 44px;text-align:left}
.foot-in{max-width:1320px;margin:0 auto;display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.foot-links{display:flex;gap:22px;margin-right:auto;font-size:14px;color:var(--mut)}
.foot-links a:hover{color:#fff}
body.dash .site-foot{margin-top:24px}
.auth-art p a{text-decoration:underline;text-underline-offset:3px}

.consent{display:flex;align-items:flex-start;gap:12px;cursor:pointer;font-size:13px;color:var(--mut);line-height:1.5;padding:12px 14px;border:1px solid var(--line2);border-radius:14px;transition:.2s}
.consent:hover{border-color:#3a3a3a}
.consent input{position:absolute;opacity:0;pointer-events:none}
.consent .box{flex:none;width:20px;height:20px;border-radius:6px;border:1.5px solid #555;display:grid;place-items:center;color:transparent;transition:.2s;margin-top:1px}
.consent input:checked+.box{background:#fff;border-color:#fff;color:#000}
.consent input:focus-visible+.box{box-shadow:0 0 0 4px #ffffff22}
.consent a{color:#fff;text-decoration:underline;text-underline-offset:3px}
.consent.need{border-color:#ff7a7a}.consent.need .box{border-color:#ff7a7a}
body[data-mode=login] .consent{display:none}

.doc-main{max-width:1180px}
.doc-hero{padding:12vh 0 56px;border-bottom:1px solid var(--line)}
.doc-hero h1{font-size:clamp(44px,7vw,96px)}
.doc-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.doc-meta span{padding:6px 12px;border:1px solid var(--line2);border-radius:999px;font-size:12px;color:var(--mut)}
.doc-grid{display:grid;grid-template-columns:260px 1fr;gap:64px;padding:56px 0 80px}
.doc-toc{position:sticky;top:96px;align-self:start;display:flex;flex-direction:column;gap:2px;max-height:calc(100vh - 120px);overflow:auto}
.doc-toc .label{margin-bottom:12px}
.doc-toc a{display:flex;gap:12px;padding:8px 12px;border-radius:10px;font-size:14px;color:var(--mut);transition:.2s;border-left:1px solid transparent}
.doc-toc a span{color:var(--dim);font-size:11px;padding-top:2px}
.doc-toc a:hover{color:#fff;background:#0f0f0f}
.doc-toc a.active{color:#fff;background:#111}.doc-toc a.active span{color:#fff}
.doc-toc .toc-other{margin-top:16px;border:1px solid var(--line2);justify-content:center;color:#fff}
.doc{max-width:720px}
.doc-sec{position:relative;padding:0 0 44px;margin-bottom:44px;border-bottom:1px solid var(--line);scroll-margin-top:96px}
.doc-sec:last-of-type{border-bottom:0}
.doc-num{display:block;color:var(--dim);margin-bottom:10px}
.doc-sec h2{font-size:28px;margin-bottom:18px}
.doc-sec p{color:#cfcfcf;margin-bottom:14px;font-size:16px;line-height:1.7}
.doc-sec p b,.doc-sec li b{color:#fff;font-weight:500}
.doc-sec ul{list-style:none;display:grid;gap:10px;margin:6px 0 16px}
.doc-sec li{position:relative;padding-left:24px;color:#cfcfcf;line-height:1.65}
.doc-sec li::before{content:"";position:absolute;left:4px;top:11px;width:8px;height:1px;background:#fff}
.doc-sec a,.doc-end a{color:#fff;text-decoration:underline;text-underline-offset:3px}
.doc-note{margin:6px 0 18px;padding:18px 20px;border-radius:16px;background:#fff;color:#000;line-height:1.6;font-size:15px}
.doc-note b{font-weight:600}
.data-table{display:grid;border:1px solid var(--line2);border-radius:16px;overflow:hidden}
.data-table div{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:14px 18px;border-top:1px solid var(--line)}
.data-table div:first-child{border-top:0}
.data-table b{font-weight:500}.data-table span{color:#bdbdbd;font-size:15px}
.doc-end{padding:22px;border:1px dashed var(--line2);border-radius:16px}
@media (max-width:900px){.doc-grid{grid-template-columns:1fr;gap:24px}.doc-toc{position:static;max-height:none}.data-table div{grid-template-columns:1fr;gap:4px}}

/* v6: status page */
.st-main{max-width:980px}
.st-head{padding:11vh 0 36px}
.st-head h1{font-size:clamp(44px,7vw,92px)}
.st-banner{display:flex;align-items:center;gap:18px;padding:22px 26px;border-radius:var(--r);background:#fff;color:#000;margin-bottom:18px}
.st-banner b{display:block;font-size:22px;letter-spacing:-.02em}
.st-banner .mono{font-size:12px;color:#555}
.st-banner #updated{margin-left:auto;color:#777}
.st-ic{flex:none;width:40px;height:40px;border-radius:50%;background:#000;display:grid;place-items:center;position:relative}
.st-ic::after{content:"";width:12px;height:12px;border-radius:50%;background:#fff;box-shadow:0 0 0 0 #fff8;animation:ring 2.2s infinite}
@keyframes ring{70%{box-shadow:0 0 0 10px #fff0}100%{box-shadow:0 0 0 0 #fff0}}
.st-banner[data-level=degraded]{background:#d9d9d9}
.st-banner[data-level=down]{background:#ff5c5c}
.st-banner[data-level=loading] .st-ic::after{animation:p 1s infinite}
.st-card{border:1px solid var(--line);border-radius:var(--r);background:linear-gradient(180deg,#0d0d0d,#080808)}
.st-card-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:18px 24px;border-bottom:1px solid var(--line)}
.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:11px;color:var(--mut)}
.legend span{display:flex;align-items:center;gap:6px}.legend i{width:10px;height:10px;border-radius:3px}
.l-ok,.b-ok{background:#f2f2f2}.l-deg,.b-deg{background:#7a7a7a}.l-down,.b-down{background:#ff5c5c}.l-none,.b-none{background:#1d1d1d}
.comp{padding:22px 24px;border-top:1px solid var(--line)}.comp:first-child{border-top:0}
.comp-top{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:14px}
.comp-name b{display:block;font-size:17px;font-weight:600}
.comp-meta{display:flex;align-items:center;gap:14px;font-size:12px;white-space:nowrap}
.pill-st{display:inline-flex;align-items:center;gap:7px;padding:4px 10px;border-radius:999px;border:1px solid var(--line2);font-size:12px}
.pill-st i{width:7px;height:7px;border-radius:50%;background:currentColor}
.st-ok{color:#fff}.st-ok i{box-shadow:0 0 8px #fff}
.st-degraded{color:#bdbdbd}.st-down{color:#ff7a7a;border-color:#4a1f1f}
.bars{display:grid;grid-template-columns:repeat(90,1fr);gap:2px;height:34px}
.bars i{border-radius:2px;transition:transform .15s,opacity .15s;cursor:pointer}
.bars i:hover{transform:scaleY(1.15);opacity:.8}
.bars-foot{display:flex;align-items:center;gap:12px;margin-top:10px;font-size:11px;color:var(--dim)}
.bars-foot .line{flex:1;height:1px;background:var(--line)}
.bars-foot span:nth-child(3){color:var(--mut)}
.tip{position:absolute;z-index:120;display:flex;flex-direction:column;gap:3px;padding:10px 12px;border-radius:12px;background:#fff;color:#000;font-size:12px;box-shadow:0 12px 40px #000a;pointer-events:none;min-width:180px}
.tip b{font-size:13px}.tip .t-down{color:#d33}.tip .t-deg{color:#666}
.st-inc{padding:64px 0 24px}
.inc-day{padding:22px 0;border-top:1px solid var(--line)}
.inc-day h3{font-size:16px;font-weight:600;margin-bottom:12px}
.inc-none{padding-left:2px}
.inc{padding:18px 20px;border:1px solid var(--line2);border-radius:16px;background:#0a0a0a;margin-bottom:10px}
.inc.imp-down{border-left:3px solid #ff5c5c}.inc.imp-degraded{border-left:3px solid #7a7a7a}
.inc-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px}
.timeline{list-style:none;display:grid;gap:12px;border-left:1px solid var(--line2);margin-left:4px;padding-left:18px}
.timeline li{position:relative}
.timeline li::before{content:"";position:absolute;left:-22px;top:6px;width:7px;height:7px;border-radius:50%;background:#fff}
.tl-st{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#fff}
.timeline p{color:#cfcfcf;font-size:14px;margin:2px 0}
.timeline time{font-size:11px}
.st-note{padding:8px 0 56px}
@media (max-width:760px){.bars{gap:1px;height:28px}.comp-top{flex-direction:column}.st-banner{flex-wrap:wrap}.st-banner #updated{margin-left:0;width:100%}}
.logo{letter-spacing:.06em}.logo em{font-style:normal;color:transparent;-webkit-text-stroke:1px #fff}
.nav-status{display:inline-flex;align-items:center;gap:7px}.nav-status i{width:6px;height:6px;border-radius:50%;background:#fff;box-shadow:0 0 8px #fff}
.logo{font-size:19px;font-weight:700;letter-spacing:-.04em;text-transform:none}
.logo em{font-style:normal;color:var(--mut);-webkit-text-stroke:0}
.logo::after{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:#fff;margin-left:3px;vertical-align:1px}
.inc-start{padding:22px 0;border-top:1px solid var(--line)}
.tip[hidden]{display:none}

.beta{position:relative;z-index:21;display:flex;align-items:center;gap:14px;padding:10px 5vw;border-bottom:1px solid var(--line2);background:linear-gradient(90deg,#0d0d0d,#141414 50%,#0d0d0d);font-size:13px;line-height:1.45;color:#bdbdbd}
.beta p{margin:0;flex:1}.beta b{color:var(--fg);font-weight:600}.beta a{color:var(--fg);text-decoration:underline;text-underline-offset:3px;text-decoration-color:#555}
.beta-tag{flex:none;padding:3px 8px;border:1px solid #fafafa;border-radius:999px;font-size:10px;letter-spacing:.12em;color:var(--fg)}
.beta-x{flex:none;width:28px;height:28px;border:1px solid var(--line2);border-radius:50%;background:transparent;color:var(--mut);font-size:16px;line-height:1;cursor:pointer;transition:.2s}.beta-x:hover{color:var(--fg);border-color:#555}
@media(max-width:640px){.beta{padding:10px 16px;font-size:12px;gap:10px}.beta-tag{display:none}}
.auth-page .beta{position:fixed;left:16px;right:16px;bottom:16px;max-width:620px;margin:0 auto;padding:12px 14px 12px 16px;border:1px solid var(--line2);border-radius:16px;background:#0d0d0df2;backdrop-filter:blur(14px);box-shadow:0 20px 60px #000c}

/* ───────── maintenance ───────── */
.mt-bar{position:sticky;top:0;z-index:60;display:flex;align-items:center;justify-content:center;gap:10px;padding:9px 5vw;background:#fff;color:#000;font-size:13px;flex-wrap:wrap}
.mt-bar i{width:8px;height:8px;border-radius:50%;background:#000;animation:mtp 1.4s infinite}
.mt-bar span{opacity:.65}
@keyframes mtp{0%{box-shadow:0 0 0 0 #0006}100%{box-shadow:0 0 0 10px #0000}}
.mt-page{min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden}
.mt-top{display:flex;justify-content:space-between;align-items:center;padding:22px 5vw}
.mt-main{flex:1;position:relative;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:40px 5vw 60px;max-width:1180px;width:100%;margin:0 auto}
.mt-main h1{font-size:clamp(56px,10vw,132px);line-height:.92;letter-spacing:-.055em;font-weight:600;margin:22px 0 26px}
.mt-main h1 em{font-style:normal;color:transparent;-webkit-text-stroke:1.4px #fafafa}
.mt-main .lead{max-width:560px;color:#a5a5a5;font-size:19px}
.mt-pulse{display:inline-block;width:7px;height:7px;border-radius:50%;background:#fff;margin-right:10px;vertical-align:middle;animation:mtw 1.4s infinite}
@keyframes mtw{0%{box-shadow:0 0 0 0 #fff8}100%{box-shadow:0 0 0 10px #fff0}}
.mt-facts{display:grid;grid-template-columns:repeat(4,minmax(0,200px));gap:12px;margin:44px 0 34px}
.mt-facts div{display:flex;flex-direction:column;gap:4px;padding:18px 20px;border:1px solid var(--line);border-radius:18px;background:#0a0a0acc;backdrop-filter:blur(10px)}
.mt-facts b{font-size:20px;font-weight:600}
.mt-actions{display:flex;gap:10px;flex-wrap:wrap}
.mt-ring{position:absolute;right:-4vw;top:50%;width:min(46vw,560px);aspect-ratio:1;transform:translateY(-50%);pointer-events:none}
.mt-ring span{position:absolute;inset:0;border-radius:50%;border:1px solid #ffffff1c;border-top-color:#ffffffaa;animation:mts 9s linear infinite}
.mt-ring span:nth-child(2){inset:12%;border-top-color:transparent;border-right-color:#ffffff66;animation-duration:14s;animation-direction:reverse}
.mt-ring span:nth-child(3){inset:26%;border-style:dashed;border-color:#ffffff22;animation-duration:30s}
.mt-ring i{position:absolute;inset:38%;border-radius:50%;background:radial-gradient(circle at 35% 30%,#3a3a3a,#050505 70%);box-shadow:0 0 120px #ffffff14}
@keyframes mts{to{transform:rotate(360deg)}}
.mt-foot{padding:22px 5vw;color:#555;font-size:12px}.mt-foot a{text-decoration:underline;text-underline-offset:3px}
@media(max-width:1000px){.mt-facts{grid-template-columns:1fr 1fr;width:100%}}@media(max-width:820px){.mt-ring{opacity:.35;right:-30vw;width:90vw}}

/* status: maintenance */
.mt-st{position:relative;overflow:hidden;display:flex;gap:22px;padding:28px 30px 26px;margin-bottom:12px;border:1px solid #fff;border-radius:var(--r);background:#050505}
.mt-st::before{content:"";position:absolute;left:0;right:0;top:0;height:5px;background:repeating-linear-gradient(-45deg,#fff 0 12px,#000 12px 24px);background-size:34px 34px;animation:hz 1.2s linear infinite}
@keyframes hz{to{background-position:34px 0}}
.mt-st-ic{flex:none;width:56px;height:56px;border-radius:16px;background:#fff;color:#000;display:grid;place-items:center;box-shadow:0 0 0 6px #ffffff14;animation:mtic 2.4s ease-in-out infinite}
.mt-st-ic svg{width:28px;height:28px}
@keyframes mtic{50%{box-shadow:0 0 0 12px #ffffff08}}
.mt-st-body{min-width:0}
.mt-st-tag{display:inline-flex;align-items:center;gap:8px;font-size:11px;letter-spacing:.16em;color:#bbb}
.mt-st-tag i{width:7px;height:7px;border-radius:50%;background:#fff;animation:mtw 1.4s infinite}
.mt-st h2{font-size:30px;letter-spacing:-.035em;font-weight:600;line-height:1.1;margin:8px 0 8px}
.mt-st p{color:#bdbdbd;max-width:640px;font-size:15px}
.mt-st-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.mt-st-meta span{display:flex;flex-direction:column;gap:2px;padding:10px 14px;border:1px solid var(--line2);border-radius:12px;background:#0d0d0d;font-size:13px;color:#fff;min-width:110px}
.mt-st-meta em{font-style:normal;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:#777}
.mt-st-meta b{font-weight:500}
.st-banner[data-level=maintenance]{background:#141414;color:#fff;border:1px solid var(--line2)}
.st-banner[data-level=maintenance] .mono{color:#999}
.st-banner[data-level=maintenance] .st-ic{background:#fff}
.st-banner[data-level=maintenance] .st-ic::after{background:#000;border-radius:2px;width:10px;height:10px;animation:none;transform:rotate(45deg)}
.pill-st.st-mt{color:#000;background:#fff;border-color:#fff;gap:6px}
.pill-st.st-mt svg{flex:none}
.l-mt{background:repeating-linear-gradient(-45deg,#fff 0 3px,#555 3px 6px)!important}
.inc.imp-maintenance{border-left:3px solid #fff;background:linear-gradient(90deg,#111,#0a0a0a 40%)}
.inc-head b{display:inline-flex;align-items:center;gap:10px}
.inc-ic{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:9px;background:#fff;color:#000;flex:none}
.inc-ic svg{width:16px;height:16px}
.inc-sub{font-size:12px;color:#888;margin:-4px 0 12px}
@media(max-width:640px){.mt-st{flex-direction:column;padding:24px 20px}.mt-st h2{font-size:24px}}

/* markdown answers */
.msg.assistant.md{white-space:normal}
.msg.assistant.md p{margin:0 0 10px}.msg.assistant.md p:last-child{margin-bottom:0}
.msg.assistant.md ul,.msg.assistant.md ol{margin:0 0 10px;padding-left:20px}.msg.assistant.md li{margin:3px 0}
.msg.assistant.md li::marker{color:#777}
.msg.assistant.md h4{font-size:16px;font-weight:600;margin:14px 0 8px}
.msg.assistant.md b{color:#fff;font-weight:600}
.msg.assistant.md blockquote{margin:0 0 10px;padding:8px 14px;border-left:2px solid #fff;background:#111;border-radius:0 10px 10px 0;color:#ccc}
.msg.assistant.md code{font-family:"JetBrains Mono",monospace;font-size:12.5px;padding:2px 6px;border-radius:6px;background:#1a1a1a;border:1px solid #262626}
.msg.assistant.md .md-pre{margin:0 0 10px;padding:14px 16px;border-radius:12px;background:#0d0d0d;border:1px solid #222;overflow-x:auto;white-space:pre}
.msg.assistant.md .md-pre code{padding:0;border:0;background:none}
.msg.assistant.md a{text-decoration:underline;text-underline-offset:3px}
[hidden]{display:none!important}
/* video tutorial */
.tut-modal{position:fixed;inset:0;z-index:120;display:grid;place-items:center;padding:24px;background:#000c;backdrop-filter:blur(14px);opacity:0;pointer-events:none;transition:opacity .3s}
.tut-modal.open{opacity:1;pointer-events:auto}
.tut-card{width:min(1080px,100%);padding:22px;border:1px solid var(--line2);border-radius:28px;background:linear-gradient(180deg,#111,#070707);box-shadow:0 60px 160px #000,inset 0 1px 0 #ffffff14;transform:translateY(18px) scale(.97);transition:transform .45s var(--ease)}
.tut-modal.open .tut-card{transform:none}
.tut-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin:2px 4px 16px}
.tut-head h2{margin:6px 0 0;font-size:26px;letter-spacing:-.02em}
.tut-x{width:38px;height:38px;padding:0}
.tut-frame{position:relative;aspect-ratio:16/9;border-radius:18px;overflow:hidden;border:1px solid var(--line);background:#000}
.tut-frame video,.tut-inline video{display:block;width:100%;height:100%;object-fit:cover;background:#000}
.tut-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:16px 4px 2px}
.tut-inline{position:relative;aspect-ratio:16/9;border-radius:24px;overflow:hidden;border:1px solid var(--line2);background:#000;box-shadow:0 40px 120px #000}
.tut-play{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;border:0;color:#fff;background:radial-gradient(circle at 50% 50%,#0000 0,#0007 70%);cursor:pointer;font:inherit;transition:.3s var(--ease)}
.tut-play span{display:grid;place-items:center;width:88px;height:88px;border-radius:50%;background:#ffffff1f;border:1px solid #ffffff40;backdrop-filter:blur(16px);box-shadow:inset 0 1px 0 #ffffff59,0 20px 60px #0008;transition:.3s var(--ease)}
.tut-play span svg{margin-left:4px}
.tut-play b{font-weight:500;font-size:15px;letter-spacing:.01em}
.tut-play:hover span{transform:scale(1.08);background:#fff;color:#000}
.hello-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
@media (max-width:640px){.tut-card{padding:14px;border-radius:22px}.tut-head h2{font-size:20px}.tut-foot span{display:none}}
.hello-row{margin-bottom:24px}.hello-row .hello{margin-bottom:0}
.tut-x{color:#fff;border-color:#444;background:#ffffff10;font-size:15px}.tut-x:hover{background:#fff;color:#000}