:root{--bg:#f5f5f7;--surface:#ffffff;--surface-2:#fafafa;--line:rgba(0,0,0,.08);--ink:#1d1d1f;--muted:#86868b;--accent:#0071e3;--accent-soft:#e8f2ff;--accent-deep:#0055b3;--danger:#d70015;--amber:#ff9f0a;--shell:min(1080px,calc(100% - 48px));font-family:Inter,-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);line-height:1.5;font-size:16px}
h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.02em}
h1{font-size:clamp(34px,5vw,56px);line-height:1.08}
h2{font-size:clamp(26px,3.4vw,40px);line-height:1.15}
h3{font-size:20px}
p{margin:0}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.shell{width:var(--shell);margin:0 auto}
main{display:block}
footer{max-width:var(--shell);margin:60px auto 0;padding:28px 0 40px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:.85rem}

/* ===== Topbar (единственный blur на странице — лёгкий) ===== */
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:24px;max-width:var(--shell);margin:0 auto;padding:14px 0;background:rgba(245,245,247,.82);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(0,0,0,.05)}
.brand{display:flex;align-items:center;gap:9px;font-weight:650;font-size:1.15rem;letter-spacing:-.02em;color:var(--ink)}
.brand:hover{text-decoration:none}
nav{display:flex;gap:18px;margin-left:8px}
nav a{color:var(--muted);font-size:.92rem;font-weight:500;padding:6px 2px}
nav a:hover,nav a.active{color:var(--ink);text-decoration:none}
.language-switch{margin-left:auto;display:flex;align-items:center;gap:2px;background:rgba(0,0,0,.05);border-radius:980px;padding:3px}
.language-switch a{padding:4px 12px;border-radius:980px;font-size:.8rem;font-weight:600;color:var(--muted)}
.language-switch a.selected{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.1)}
.top-action{background:var(--accent);color:#fff;border-radius:980px;padding:8px 18px;font-size:.88rem;font-weight:600}
.top-action:hover{background:var(--accent-deep);text-decoration:none}

/* ===== Buttons ===== */
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:980px;padding:12px 26px;font-size:.95rem;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background .15s,transform .1s}
.button:active{transform:scale(.98)}
.button.primary{background:var(--accent);color:#fff}
.button.primary:hover{background:var(--accent-deep);text-decoration:none}
.button.secondary{background:rgba(0,0,0,.05);color:var(--ink)}
.button.secondary:hover{background:rgba(0,0,0,.09);text-decoration:none}

/* ===== Hero ===== */
.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding:88px 0 64px}
.eyebrow{font-size:.8rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.hero h1{margin-bottom:20px}
.lead{color:var(--muted);font-size:1.15rem;max-width:520px;margin-bottom:32px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-panel{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:0 10px 40px rgba(0,0,0,.06)}
.panel-label{font-size:.74rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.hero-panel strong{display:block;font-size:1.3rem;margin:10px 0 8px}
.hero-panel p{color:var(--muted);font-size:.92rem}
.panel-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.panel-list span{background:var(--surface-2);border:1px solid var(--line);border-radius:980px;padding:6px 14px;font-size:.84rem;font-weight:500}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}
.hero-metrics div{background:var(--surface-2);border-radius:14px;padding:12px;text-align:center}
.hero-metrics strong{display:block;font-size:1.15rem;font-weight:650}
.hero-metrics span{font-size:.7rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-weight:600}

/* ===== Trust strip ===== */
.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:8px 0 72px}
.trust-item{display:flex;align-items:center;gap:9px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 16px;font-size:.88rem;font-weight:600;box-shadow:0 1px 2px rgba(0,0,0,.03)}
.trust-item span{display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--accent);color:#fff;font-size:.7rem;font-weight:800}

/* ===== Sections ===== */
.section{padding:56px 0}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-heading>p,.compatibility p{color:var(--muted);max-width:420px;font-size:.98rem}

/* ===== Tariffs ===== */
.tariff-wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:20px;align-items:start}
.tariff-card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:32px;box-shadow:0 10px 40px rgba(0,0,0,.06)}
.tariff-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:22px}
.tariff-header h3{font-size:1.15rem;margin-top:8px}
.badge{display:inline-block;background:var(--accent-soft);color:var(--accent-deep);border-radius:980px;padding:4px 12px;font-size:.76rem;font-weight:650}
.available{font-size:.84rem;color:var(--accent);font-weight:600}
.balance-picker{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.balance-option{background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:12px 6px;font-weight:650;font-size:.92rem;color:var(--ink);cursor:pointer;transition:border-color .12s,background .12s}
.balance-option:hover{border-color:rgba(0,113,227,.4)}
.balance-option.selected{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-deep)}
.tariff-details{display:flex;flex-direction:column;gap:0;margin:22px 0;background:var(--surface-2);border-radius:14px;padding:4px 18px}
.tariff-details>div{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line)}
.tariff-details>div:last-child{border-bottom:none}
.tariff-details dt{color:var(--muted);font-size:.9rem}
.tariff-details dd{margin:0;font-weight:650;font-size:.95rem}
.buy{width:100%;font-size:1.05rem;padding:15px 26px}
.fineprint{color:var(--muted);font-size:.8rem;text-align:center;margin-top:12px}
.token-note{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:0 10px 40px rgba(0,0,0,.06)}
.token-note strong{display:block;font-size:1.25rem;margin:10px 0 8px}
.token-note p{color:var(--muted);font-size:.9rem}
.rule{height:1px;background:var(--line);margin:18px 0}

/* ===== Model table ===== */
.model-table{background:var(--surface);border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:0 10px 40px rgba(0,0,0,.06)}
.model-row-head,.model-row{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:14px;padding:16px 24px;align-items:center}
.model-row-head{background:var(--surface-2);font-size:.74rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:700}
.model-row{border-top:1px solid var(--line);font-variant-numeric:tabular-nums;font-size:.95rem}
.model-row:hover{background:var(--surface-2)}
.model-row.muted{opacity:.45}
.model-name{font-weight:650}
.model-state{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:.88rem}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent)}

/* ===== Why ===== */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.why-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:0 4px 20px rgba(0,0,0,.04);transition:transform .15s}
.why-card:hover{transform:translateY(-2px)}
.why-icon{font-size:1.7rem}
.why-card h3{margin:16px 0 8px}
.why-card p{color:var(--muted);font-size:.9rem;line-height:1.6}

/* ===== Compatibility ===== */
.compatibility{display:flex;align-items:center;justify-content:space-between;gap:24px;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:36px;box-shadow:0 10px 40px rgba(0,0,0,.06)}
.compatibility h2{margin-bottom:8px}

/* ===== FAQ ===== */
.faq-grid{display:grid;gap:10px}
.faq-grid details{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:4px 22px;cursor:pointer}
.faq-grid summary{font-weight:600;font-size:1rem;padding:16px 0;list-style:none;position:relative}
.faq-grid summary::-webkit-details-marker{display:none}
.faq-grid summary:after{content:"+";position:absolute;right:0;top:16px;color:var(--muted);font-size:1.3rem;font-weight:400}
.faq-grid details[open] summary:after{content:"−"}
.faq-grid details p{color:var(--muted);font-size:.92rem;padding:0 0 18px;max-width:640px}

/* ===== Guide ===== */
.guide-hero{padding:72px 0 40px}
.guide-hero h1{margin-bottom:14px}
.guide-hero>p{color:var(--muted);max-width:560px}
.guide-layout{display:grid;gap:20px;padding-bottom:48px}
.guide-tabs{display:inline-flex;gap:4px;background:rgba(0,0,0,.05);border-radius:980px;padding:4px}
.guide-tab{border:none;background:none;border-radius:980px;padding:9px 20px;font-size:.9rem;font-weight:600;color:var(--muted);cursor:pointer;display:flex;flex-direction:column;align-items:flex-start;gap:1px}
.guide-tab strong{font-size:.92rem;font-weight:650;color:inherit}
.guide-tab span{font-size:.72rem;font-weight:500;opacity:.75}
.guide-tab.active{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.1)}
.guide-panel{display:none;gap:20px}
.guide-panel.active{display:grid}
.quick-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:0 6px 24px rgba(0,0,0,.05)}
.quick-card h2{margin-bottom:8px}
.quick-card>p{color:var(--muted);margin-bottom:16px}
.code-row{display:flex;align-items:center;gap:10px;background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:12px 16px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.86rem;overflow-x:auto;white-space:nowrap}
.copy-button{flex-shrink:0;background:var(--accent);color:#fff;border:none;border-radius:8px;padding:7px 14px;font-size:.8rem;font-weight:600;cursor:pointer}
.copy-button:hover{background:var(--accent-deep)}
.guide-steps{display:grid;gap:12px;counter-reset:step}
.guide-step{display:grid;grid-template-columns:44px 1fr;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px}
.guide-step>span{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--accent-soft);color:var(--accent-deep);font-weight:700;font-size:1.05rem}
.guide-step h3{margin-bottom:6px;font-size:1.02rem}
.guide-step p{color:var(--muted);font-size:.9rem}
.guide-step .code-row{margin-top:12px}
.substeps{margin-top:10px;display:grid;gap:8px}
.substeps div{display:flex;gap:8px;align-items:baseline;color:var(--muted);font-size:.88rem}
.guide-bottom-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.guide-callout{background:var(--accent-soft);border-radius:16px;padding:24px}
.guide-callout h2{color:var(--accent-deep);margin-bottom:8px;font-size:1.05rem}
.guide-callout p{color:var(--accent-deep);font-size:.88rem;opacity:.85}
.guide-callout .code-row{margin-top:14px;background:rgba(255,255,255,.7)}
.quick-steps{display:grid;gap:10px;margin:16px 0 0;padding-left:20px;color:var(--muted);font-size:.9rem}
.quick-steps li::marker{color:var(--accent)}

/* ===== Login / stats form ===== */
.login-shell{max-width:480px;margin:72px auto 0;padding:0}
.login-shell h1{margin-bottom:12px}
.login-shell>p{color:var(--muted);margin-bottom:28px}
.stats-form{display:grid;gap:10px}
.stats-form label{font-size:.88rem;font-weight:600}
.stats-form>div{display:flex;gap:10px}
.stats-form input{flex:1;border:1px solid var(--line);border-radius:12px;padding:13px 16px;font-size:.95rem;font-family:ui-monospace,Menlo,monospace;background:var(--surface)}
.stats-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,113,227,.15)}
.stats-message{margin-top:12px;color:var(--danger);font-size:.88rem;border-radius:10px;background:rgba(215,0,21,.06);padding:10px 14px}

/* ===== Account tabs ===== */
.account-tabs{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:36px;padding:14px 18px;background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:0 2px 10px rgba(0,0,0,.03)}
.account-nav{display:flex;gap:4px;background:rgba(0,0,0,.05);border-radius:980px;padding:4px}
.account-tab{border-radius:980px;padding:8px 18px;font-size:.9rem;font-weight:600;color:var(--muted)}
.account-tab.active{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.1)}
.account-actions{display:flex;gap:8px;align-items:center}
.account-copy-key{background:var(--accent);color:#fff;border:none;border-radius:980px;padding:8px 16px;font-size:.84rem;font-weight:600;cursor:pointer}
.account-copy-key:hover{background:var(--accent-deep)}
.account-logout{background:none;border:1px solid var(--line);border-radius:980px;padding:8px 16px;font-size:.84rem;color:var(--muted);cursor:pointer}
.account-logout:hover{color:var(--danger);border-color:var(--danger)}

/* ===== Stats dashboard ===== */
.stats-result{padding:28px 0 60px}
.stats-toolbar{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.stats-title{font-size:clamp(28px,3.4vw,40px);margin:0}
.stats-toolbar-right{display:flex;align-items:center;gap:14px}
.load-status{color:var(--muted);font-size:.9rem}
.refresh-button{background:var(--surface);border:1px solid var(--line);border-radius:980px;padding:8px 16px;font-size:.84rem;font-weight:600;cursor:pointer}
.refresh-button:hover{background:var(--surface-2)}
.stats-dashboard{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:0 10px 40px rgba(0,0,0,.06)}
.stats-block{margin-bottom:26px}
.stats-block:last-child{margin-bottom:0}
.stats-block-title{font-size:1.05rem;margin:0 0 14px}
.stats-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.stat-card{background:var(--surface-2);border-radius:16px;padding:18px}
.stat-card span{display:block;font-size:.76rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:600;margin-bottom:8px}
.stat-card strong{font-size:1.7rem;font-weight:650;letter-spacing:-.02em}
.stat-card.cost strong{color:var(--accent)}
.usage-progress{margin:20px 0;background:var(--surface-2);border-radius:14px;padding:16px 18px}
.usage-progress-head{display:flex;justify-content:space-between;font-size:.88rem;color:var(--muted);margin-bottom:10px}
.usage-progress i{display:block;height:8px;background:rgba(0,0,0,.07);border-radius:980px;overflow:hidden}
.usage-progress b{display:block;height:100%;width:0;background:var(--accent);border-radius:980px;transition:width .4s}
.stats-grid-head h3{font-size:1.05rem;margin:26px 0 12px}
.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.stats-panel{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:26px;margin-top:18px;box-shadow:0 10px 40px rgba(0,0,0,.06)}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.panel-head h2{font-size:1.15rem}
.panel-head p{color:var(--muted);font-size:.88rem}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.9rem}
th{text-align:left;color:var(--muted);font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;padding:10px 12px;border-bottom:1px solid var(--line)}
td{padding:12px;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}
tr:last-child td{border-bottom:none}
.table-empty{color:var(--muted);padding:20px;text-align:center}

/* ===== Stats charts (Chart.js) ===== */
.stats-charts-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.chart-box{background:var(--surface-2);border-radius:14px;padding:14px;position:relative}
.chart-box canvas{max-height:240px}
@media(max-width:900px){.stats-charts-grid{grid-template-columns:1fr}}
.model-usage .usage-chip{background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:10px 16px;font-size:.86rem}
.usage-chip b{display:block;font-size:1rem}

/* ===== Servers ===== */
.servers-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.server-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 4px 20px rgba(0,0,0,.04)}
.server-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:14px}
.server-card-name strong{display:block;font-size:1.02rem}
.server-card-name span{color:var(--muted);font-size:.8rem}
.server-card-metrics{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px}
.server-card-metrics>div{background:var(--surface-2);border-radius:12px;padding:10px 12px}
.server-card-metrics span{display:block;font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:600}
.server-card-metrics strong{font-size:1.02rem}
.server-card-metrics small{font-size:.72rem;color:var(--muted);font-weight:500}
.server-card-avail{background:var(--surface-2);border-radius:12px;padding:10px 12px;margin-bottom:14px}
.server-card-avail span{display:block;font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:600}
.server-card-avail strong{font-size:1.02rem}
.server-card-avail small{font-size:.72rem;color:var(--muted);font-weight:500}
.server-card-history{margin-top:14px}
.server-card-hist-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:600;margin-bottom:8px}
.server-card-bars{display:flex;gap:1px;align-items:flex-end;justify-content:space-evenly;height:34px}
.server-bar{flex:0 0 auto;width:3px;border-radius:1px;background:rgba(0,0,0,.08);min-height:6px}
.server-bar.bar-ok{background:#34c759;height:100%}
.server-bar.bar-error{background:#ff3b30;height:28%}
.server-bar.bar-degraded{background:#ff9f0a;height:55%}
.server-card-scale{display:flex;justify-content:space-between;margin-top:6px;color:var(--muted);font-size:.66rem;text-transform:uppercase;letter-spacing:.05em}
.server-metric{background:var(--surface-2);border-radius:12px;padding:10px 12px}
.server-metric span{display:block;font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:600}
.server-metric strong{font-size:1.02rem}
.status-badge{display:inline-flex;align-items:center;gap:6px;border-radius:980px;padding:4px 12px;font-size:.78rem;font-weight:600}
.status-badge.status-ok{background:var(--accent-soft);color:var(--accent-deep)}
.status-badge.status-err{background:rgba(215,0,21,.08);color:var(--danger)}
.status-badge.status-unknown,.status-badge.status-degraded{background:rgba(255,159,10,.12);color:#b25000}

/* ===== Responsive ===== */
@media(max-width:900px){
.hero{grid-template-columns:1fr;padding:56px 0 40px;gap:36px}
.trust-strip{grid-template-columns:1fr 1fr;padding-bottom:48px}
.tariff-wrap{grid-template-columns:1fr}
.model-row-head,.model-row{grid-template-columns:1fr 1fr}
.why-grid{grid-template-columns:1fr}
.stats-summary,.stats-grid{grid-template-columns:1fr 1fr}
.stats-grid{grid-template-columns:1fr 1fr}
.balance-picker{grid-template-columns:repeat(2,1fr)}
.guide-bottom-grid{grid-template-columns:1fr}
.compatibility{flex-direction:column;align-items:flex-start}
.topbar{flex-wrap:wrap;gap:10px}
.language-switch{margin-left:0}
nav{order:3;width:100%}
.account-tabs{flex-direction:column;align-items:stretch}
}