/* ==========================================================================
   Беркут AI PRO — Premium Dark 4.0
   Глубокий графит, тёплый янтарный акцент, стеклянные панели, тонкие линии.
   Подключается после theme.css и перекрывает светлую основу.
   ========================================================================== */

:root,
[data-theme="dark"],
[data-theme="light"] {
  color-scheme: dark;

  --bg: #08090c;
  --bg-deep: #050609;
  --surface: #0f1117;
  --surface-2: #0b0d12;
  --surface-3: #161922;
  --surface-4: #1c2029;

  --ink: #f2f4f8;
  --ink-2: #d6dae3;
  --muted: #9aa3b2;
  --dim: #6d7686;

  --line: rgba(255, 255, 255, .07);
  --line-strong: rgba(255, 255, 255, .13);

  --accent: #ff8a1f;
  --accent-hover: #ffa347;
  --accent-soft: rgba(255, 138, 31, .1);
  --accent-line: rgba(255, 138, 31, .28);
  --amber: #ffc46b;
  --gold: #e8b155;
  --green: #4ade9f;
  --green-soft: rgba(74, 222, 159, .1);
  --red: #ff6b6b;
  --red-soft: rgba(255, 107, 107, .1);
  --blue: #7cb2ff;
  --violet: #a78bfa;

  --radius: 16px;
  --radius-s: 10px;
  --radius-l: 24px;
  --max: 1180px;

  --font: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --display: 'Manrope', 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Consolas, monospace;

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, .5);
  --shadow-s: 0 4px 14px rgba(0, 0, 0, .4);
  --shadow-m: 0 16px 40px rgba(0, 0, 0, .5);
  --shadow-l: 0 40px 90px rgba(0, 0, 0, .65);
  --glow: 0 0 0 1px rgba(255, 138, 31, .18), 0 18px 60px rgba(255, 122, 24, .14);
}

/* --------------------------------------------------------------- базовое */
html { background: var(--bg-deep); scroll-behavior: smooth; }

body {
  background:
    radial-gradient(1100px 600px at 50% -260px, rgba(255, 138, 31, .11), transparent 62%),
    radial-gradient(900px 520px at 88% 8%, rgba(124, 178, 255, .055), transparent 60%),
    var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 15.5px;
  line-height: 1.62;
  letter-spacing: -0.004em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "cv11", "ss01";
}

/* мягкая зернистость, чтобы фон не выглядел плоским */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}
body > * { position: relative; z-index: 1; }

::selection { background: rgba(255, 138, 31, .3); color: #fff; }

h1, h2, h3, h4, .hero-title, .section-head h2, .cta-band h2 {
  font-family: var(--display);
  color: var(--ink);
  font-weight: 800;
  letter-spacing: -0.032em;
}
h1 { font-size: clamp(38px, 5vw, 62px); line-height: 1.03; }
h2 { font-size: clamp(27px, 3.3vw, 40px); line-height: 1.1; }
h3 { font-weight: 700; letter-spacing: -0.018em; }

p { color: var(--ink-2); }
.muted { color: var(--muted); }
.dim { color: var(--dim); }
.small { font-size: 13.5px; }
.tiny { font-size: 12px; }
.mono { font-family: var(--mono); font-size: .92em; letter-spacing: -.01em; }
.accent { color: var(--accent); }
.green { color: var(--green); }
.red { color: var(--red); }
a.link { color: var(--amber); text-decoration-color: rgba(255, 196, 107, .35); }

/* ---------------------------------------------------------------- хедер */
.site-head {
  position: sticky; top: 0; z-index: 90;
  background: rgba(8, 9, 12, .72);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid var(--line);
}
.site-head .inner { height: 68px; gap: 30px; }
.brand { font-family: var(--display); font-size: 17.5px; font-weight: 800; letter-spacing: -.02em; }
.brand .logo {
  width: 36px; height: 36px; border-radius: 11px;
  background: linear-gradient(150deg, #ffc46b, #ff7a18 62%, #d95800);
  color: #1a0c02;
  box-shadow: 0 8px 22px rgba(255, 122, 24, .3), inset 0 1px 0 rgba(255, 255, 255, .45);
  font-size: 17px;
}
.brand small { color: var(--dim); letter-spacing: .3em; font-size: 9.5px; }
.nav { gap: 26px; }
.nav a {
  color: var(--muted); font-size: 13.8px; font-weight: 500;
  position: relative; padding: 4px 0; transition: color .16s;
}
.nav a:hover { color: var(--ink); }
.nav a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transform: scaleX(0); transition: transform .2s;
}
.nav a:hover::after { transform: scaleX(1); }

/* --------------------------------------------------------------- кнопки */
.btn {
  font-family: var(--font);
  height: 42px; padding: 0 18px;
  border-radius: 11px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, .035);
  color: var(--ink);
  font-size: 14px; font-weight: 600; letter-spacing: -.01em;
  transition: transform .14s, background .14s, border-color .14s, box-shadow .14s;
}
.btn:hover { background: rgba(255, 255, 255, .07); border-color: rgba(255, 255, 255, .2); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn:disabled { opacity: .45; }

.btn-primary, .btn-accent,
[data-theme="dark"] .btn-primary, [data-theme="dark"] .btn-primary:hover,
[data-theme="light"] .btn-primary {
  background: linear-gradient(180deg, #ffa347, #ff7a18 55%, #ef6a06);
  border-color: rgba(255, 170, 90, .55);
  color: #1a0c02;
  font-weight: 700;
  box-shadow: 0 10px 26px rgba(255, 122, 24, .28), inset 0 1px 0 rgba(255, 255, 255, .5);
}
.btn-primary:hover, .btn-accent:hover {
  background: linear-gradient(180deg, #ffb463, #ff8a2c 55%, #ff7a18);
  box-shadow: 0 14px 34px rgba(255, 122, 24, .38), inset 0 1px 0 rgba(255, 255, 255, .6);
}
.btn-ghost { background: transparent; border-color: var(--line-strong); color: var(--ink-2); }
.btn-ghost:hover { background: rgba(255, 255, 255, .05); color: var(--ink); }
.btn-quiet { background: transparent; border-color: transparent; color: var(--muted); }
.btn-quiet:hover { background: rgba(255, 255, 255, .05); color: var(--ink); }
.btn-danger { color: #ff9b9b; border-color: rgba(255, 107, 107, .28); background: rgba(255, 107, 107, .09); }
.btn-danger:hover { background: rgba(255, 107, 107, .16); border-color: rgba(255, 107, 107, .4); }
.btn-sm { height: 34px; padding: 0 13px; font-size: 13px; border-radius: 9px; }
.btn-lg { height: 50px; padding: 0 26px; font-size: 15px; border-radius: 13px; }
.btn-block { width: 100%; }

.icon-btn { border-radius: 10px; color: var(--muted); }
.icon-btn:hover { background: rgba(255, 255, 255, .06); color: var(--ink); }

/* --------------------------------------------------------------- hero */
.hero { padding: 88px 0 64px; }
.hero:before {
  content: ''; position: absolute; top: -300px; left: 50%; transform: translateX(-50%);
  width: 1100px; height: 620px; pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(255, 138, 31, .16), transparent 66%);
  filter: blur(10px);
}
.hero-grid { gap: 60px; }
.kicker {
  font-family: var(--mono); font-size: 11px; letter-spacing: .19em;
  text-transform: uppercase; color: var(--amber); font-weight: 500;
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 20px;
}
.kicker:before {
  content: ''; width: 28px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent));
}
h1.hero-title { font-size: clamp(40px, 5.4vw, 66px); line-height: 1.02; margin-bottom: 20px; }
h1.hero-title em {
  font-style: normal;
  background: linear-gradient(96deg, #ffd79a 4%, #ff8a1f 48%, #ff6a00 96%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  -webkit-text-fill-color: transparent;
}
.hero p.lead { font-size: 17px; line-height: 1.65; color: var(--muted); max-width: 540px; }
.hero-cta { gap: 12px; margin: 30px 0 32px; }
.hero-stats {
  gap: 0; padding-top: 26px; border-top: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
}
.hero-stats div { padding-right: 16px; font-size: 11.5px; color: var(--dim); line-height: 1.45; }
.hero-stats div + div { padding-left: 18px; border-left: 1px solid var(--line); }
.hero-stats b {
  display: block; font-family: var(--display); font-size: 19px; font-weight: 800;
  color: var(--ink); letter-spacing: -.02em; margin-bottom: 3px;
}

/* макет чата в hero */
.mock {
  border-radius: 20px; border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(22, 25, 34, .92), rgba(10, 12, 17, .96));
  box-shadow: var(--shadow-l), 0 0 0 1px rgba(255, 255, 255, .02) inset;
  transform: perspective(1400px) rotateY(-3deg) rotateX(1.5deg);
  position: relative; overflow: hidden;
}
.mock:after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(600px 200px at 80% -10%, rgba(255, 138, 31, .12), transparent 70%);
}
.mock-bar {
  padding: 13px 16px; border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 11.5px; color: var(--dim); letter-spacing: .02em;
  background: rgba(255, 255, 255, .015);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: #2b303c; }
.dot:nth-child(1) { background: #ff5f57; } .dot:nth-child(2) { background: #febc2e; } .dot:nth-child(3) { background: #28c840; }
.mock-body { padding: 20px; gap: 14px; }
.mock-msg {
  background: rgba(255, 255, 255, .035); border: 1px solid var(--line);
  border-radius: 14px; padding: 13px 15px; font-size: 13.2px; color: var(--ink-2);
  line-height: 1.55;
}
.mock-msg.me {
  background: linear-gradient(180deg, rgba(255, 138, 31, .16), rgba(255, 138, 31, .07));
  border-color: var(--accent-line); color: #ffe3c4; margin-left: 40px;
}
.mock-msg .who {
  font-family: var(--mono); font-size: 9.5px; letter-spacing: .16em;
  color: var(--dim); margin-bottom: 7px; font-weight: 500;
}
.mock-input {
  border-radius: 12px; border: 1px solid var(--line-strong);
  background: rgba(0, 0, 0, .35); color: var(--dim); font-size: 12.5px;
  padding: 11px 14px; display: flex; align-items: center; gap: 10px;
}
/* кнопка отправки внутри макета: инлайновый background:var(--ink) даёт белую плашку */
.mock-input span[style*="border-radius:6px"] {
  background: linear-gradient(180deg, #ffa347, #ff7a18) !important;
  color: #1a0c02 !important;
  box-shadow: 0 4px 12px rgba(255, 122, 24, .3);
}

/* ------------------------------------------------------------- секции */
.section { padding: 82px 0; border-top: 1px solid var(--line); }
.section.alt { background: linear-gradient(180deg, rgba(255, 255, 255, .012), transparent 70%); }
.section-head { max-width: 660px; margin-bottom: 44px; }
.section-head h2 { margin-bottom: 14px; }
.section-head p { color: var(--muted); font-size: 16px; }

.card, .card-flat {
  background: linear-gradient(180deg, rgba(255, 255, 255, .038), rgba(255, 255, 255, .015));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
  transition: border-color .18s, transform .18s, box-shadow .18s;
}
.card:hover { border-color: var(--line-strong); box-shadow: var(--shadow-s); }
.card-flat { background: rgba(255, 255, 255, .022); }

.feature {
  border-radius: var(--radius); padding: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .035), rgba(255, 255, 255, .012));
  border: 1px solid var(--line);
  transition: .2s; position: relative; overflow: hidden;
}
.feature:hover { transform: translateY(-3px); border-color: var(--accent-line); box-shadow: var(--shadow-m); }
.feature .ico {
  width: 44px; height: 44px; border-radius: 13px;
  background: linear-gradient(160deg, rgba(255, 138, 31, .2), rgba(255, 138, 31, .06));
  border: 1px solid var(--accent-line);
  color: var(--amber); display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px; font-size: 19px;
}
.feature h3 { font-size: 16.5px; margin-bottom: 7px; }
.feature p { color: var(--muted); font-size: 13.8px; margin: 0; }

.trustbar { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 22px 0; }
.trustbar .lbl { font-family: var(--mono); font-size: 10.5px; letter-spacing: .16em; color: var(--dim); text-transform: uppercase; }
.trust-name { color: var(--muted); font-size: 13.5px; font-weight: 600; letter-spacing: -.01em; opacity: .8; }
.trust-name:hover { opacity: 1; color: var(--ink); }

/* --------------------------------------------------------- таблица цен */
.price-card { border-radius: var(--radius-l); overflow: hidden; border: 1px solid var(--line); background: rgba(255, 255, 255, .025); }
.price-table { width: 100%; border-collapse: collapse; font-size: 13.8px; }
.price-table th {
  text-align: left; padding: 12px 16px; font-family: var(--mono); font-size: 10.5px;
  letter-spacing: .12em; text-transform: uppercase; color: var(--dim); font-weight: 500;
  border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .02);
}
.price-table td { padding: 14px 16px; border-bottom: 1px solid var(--line); color: var(--ink-2); }
.price-table tr:last-child td { border-bottom: none; }
.price-table tr:hover td { background: rgba(255, 138, 31, .045); }
.price { font-family: var(--mono); font-size: 13px; color: var(--ink); }
.model-name { font-weight: 700; color: var(--ink); font-size: 14.5px; }
.model-name small { display: block; color: var(--dim); font-weight: 400; font-size: 12px; margin-top: 3px; }

/* ------------------------------------------------------------- тарифы */
.plans { gap: 18px; }
.plan {
  border-radius: var(--radius-l); padding: 26px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, .012));
  border: 1px solid var(--line);
  position: relative; transition: .2s;
}
.plan:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.plan.pop, [data-theme="dark"] .plan.pop {
  border-color: rgba(255, 138, 31, .42);
  box-shadow: 0 0 0 1px rgba(255, 138, 31, .12), 0 28px 70px rgba(0, 0, 0, .55);
  background:
    radial-gradient(420px 180px at 50% 0%, rgba(255, 138, 31, .14), transparent 70%),
    linear-gradient(180deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .015));
}
.plan .tag, [data-theme="dark"] .plan .tag {
  position: absolute; top: 18px; right: 20px;
  background: linear-gradient(180deg, #ffa347, #ff7a18);
  color: #1a0c02; font-size: 9.5px; font-weight: 800; letter-spacing: .1em;
  padding: 4px 9px; border-radius: 999px; text-transform: uppercase;
  box-shadow: 0 6px 16px rgba(255, 122, 24, .3);
}
.plan .plan-name { font-family: var(--display); font-size: 15px; font-weight: 700; color: var(--ink); }
.plan .price-big {
  font-family: var(--display); font-size: 38px; font-weight: 800;
  letter-spacing: -.04em; margin: 10px 0 2px; color: var(--ink);
}
.plan .price-big span { font-size: 14px; font-weight: 500; color: var(--dim); letter-spacing: 0; }
.plan ul { list-style: none; padding: 0; margin: 18px 0 24px; display: grid; gap: 10px; }
.plan li { color: var(--muted); font-size: 13.5px; display: flex; gap: 9px; align-items: flex-start; }
.plan li svg { color: var(--accent); flex-shrink: 0; margin-top: 3px; }

/* --------------------------------------------------------------- FAQ */
.faq details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq details:first-child { border-top: 1px solid var(--line); }
.faq summary { font-size: 15px; font-weight: 600; color: var(--ink); cursor: pointer; }
.faq summary:after { color: var(--accent); }
.faq p { color: var(--muted); font-size: 14px; line-height: 1.7; }

/* --------------------------------------------------------------- CTA */
.cta-band {
  border-radius: var(--radius-l); padding: 52px 40px; text-align: center;
  border: 1px solid var(--accent-line);
  background:
    radial-gradient(700px 240px at 50% 0%, rgba(255, 138, 31, .18), transparent 70%),
    linear-gradient(180deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, .012));
  position: relative; overflow: hidden;
}
.cta-band h2 { margin-bottom: 10px; }
.cta-band p { color: var(--muted); max-width: 560px; margin: 0 auto 24px; }

/* -------------------------------------------------------------- футер */
.site-foot {
  border-top: 1px solid var(--line); padding: 44px 0 52px;
  background: rgba(5, 6, 9, .55);
  color: var(--dim); font-size: 13px;
}
.site-foot .col b {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--dim); font-weight: 500;
}
.site-foot .col a { color: var(--muted); }
.site-foot .col a:hover { color: var(--ink); }
.legal-note { border-top: 1px solid var(--line); color: var(--dim); }

/* ---------------------------------------------------------- докуменация */
.doc-hero { padding: 58px 0 10px; }
.doc-body h2 { margin-top: 42px; padding-top: 6px; }
.doc-body p, .doc-body li { color: var(--ink-2); }
.doc-body pre {
  background: rgba(0, 0, 0, .42); border: 1px solid var(--line-strong);
  border-radius: 12px; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .03);
}
.doc-body code { background: rgba(255, 255, 255, .07); color: #ffd7a8; }
.doc-body pre code { background: none; color: var(--ink-2); }
.doc-body table th { color: var(--dim); border-bottom: 1px solid var(--line); }
.doc-body td { border-bottom: 1px solid var(--line); color: var(--ink-2); }
.doc-nav a { color: var(--muted); border-radius: 8px; }
.doc-nav a:hover { background: rgba(255, 255, 255, .04); color: var(--ink); }
.doc-nav a.active { color: var(--amber); background: var(--accent-soft); }
.doc-nav .grp { color: var(--dim); font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
.callout { border-radius: 12px; background: rgba(124, 178, 255, .07); border: 1px solid rgba(124, 178, 255, .22); color: #cfe0ff; }
.callout.warn { background: rgba(255, 196, 107, .07); border-color: rgba(255, 196, 107, .24); color: #f6e3bd; }
.callout.ok { background: rgba(74, 222, 159, .07); border-color: rgba(74, 222, 159, .24); color: #c8f5e0; }
.callout.err { background: rgba(255, 107, 107, .08); border-color: rgba(255, 107, 107, .26); color: #ffd2d2; }
.callout code { background: rgba(0, 0, 0, .35); color: #ffd7a8; }

/* -------------------------------------------------------------- бейджи */
.badge {
  font-family: var(--mono); font-size: 10px; letter-spacing: .08em; font-weight: 500;
  padding: 3px 9px; border-radius: 999px;
  border: 1px solid var(--line-strong); color: var(--muted);
  background: rgba(255, 255, 255, .04); text-transform: uppercase;
}
.badge.hot { color: var(--amber); border-color: var(--accent-line); background: var(--accent-soft); }
.badge.ok { color: var(--green); border-color: rgba(74, 222, 159, .3); background: var(--green-soft); }
.badge.err { color: #ff9b9b; border-color: rgba(255, 107, 107, .3); background: var(--red-soft); }
.pill {
  border-radius: 999px; border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, .04); color: var(--muted); font-size: 12px;
}
.pill .dot { width: 6px; height: 6px; background: var(--green); box-shadow: 0 0 8px rgba(74, 222, 159, .8); }

/* --------------------------------------------------------- поля ввода */
.input, select.input, textarea.input, .composer textarea {
  background: rgba(0, 0, 0, .32);
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  color: var(--ink);
  padding: 12px 14px;
  transition: border-color .16s, box-shadow .16s, background .16s;
}
.input::placeholder, textarea::placeholder { color: var(--dim); }
.input:focus, select.input:focus, textarea.input:focus {
  border-color: rgba(255, 138, 31, .55);
  box-shadow: 0 0 0 3px rgba(255, 138, 31, .12);
  background: rgba(0, 0, 0, .42);
  outline: none;
}
label.field > span { font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--dim); }
select.input { background-image: none; }
.tabs { background: rgba(255, 255, 255, .035); border: 1px solid var(--line); border-radius: 12px; }
.tabs button { color: var(--muted); border-radius: 9px; }
.tabs button:hover { color: var(--ink); }
.tabs button.active { background: rgba(255, 255, 255, .09); color: var(--ink); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08); }

/* ------------------------------------------------------------- консоль */
.console { background: var(--bg); }
.side {
  background: linear-gradient(180deg, #0b0d12, #08090c);
  border-right: 1px solid var(--line);
}
.side-head { border-bottom: 1px solid var(--line); }
.side-brand { font-family: var(--display); font-weight: 800; letter-spacing: -.02em; }
.side-brand .logo, [data-theme="dark"] .side-brand .logo {
  background: linear-gradient(150deg, #ffc46b, #ff7a18);
  color: #1a0c02; box-shadow: 0 6px 16px rgba(255, 122, 24, .28);
  border-radius: 9px;
}
.btn-new, [data-theme="dark"] .btn-new {
  background: rgba(255, 255, 255, .04); border: 1px solid var(--line-strong);
  color: var(--ink-2); border-radius: 10px; font-weight: 600;
  transition: .16s;
}
.btn-new:hover { background: var(--accent-soft); border-color: var(--accent-line); color: var(--amber); }
.side-search input {
  background: rgba(0, 0, 0, .3); border: 1px solid var(--line);
  border-radius: 9px; color: var(--ink); font-size: 12.5px;
}
.side-search input:focus { border-color: var(--line-strong); }
.conv { border-radius: 9px; color: var(--muted); font-size: 13px; }
.conv:hover { background: rgba(255, 255, 255, .045); color: var(--ink); }
.conv.active { background: rgba(255, 138, 31, .1); color: var(--ink); box-shadow: inset 2px 0 0 var(--accent); }
.nav-item { border-radius: 9px; color: var(--muted); font-size: 13px; }
.nav-item:hover { background: rgba(255, 255, 255, .045); color: var(--ink); }
.nav-item.active { background: var(--accent-soft); color: var(--amber); }
.user-chip { border-top: 1px solid var(--line); }
.avatar { background: linear-gradient(150deg, #232a36, #161a22); border: 1px solid var(--line-strong); color: var(--amber); }
.topbar {
  background: rgba(8, 9, 12, .8); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line); padding: 12px 20px;
}
.balance-chip {
  background: rgba(255, 255, 255, .035); border: 1px solid var(--line);
  border-radius: 11px; padding: 8px 14px;
}
.balance-chip b { font-family: var(--mono); color: var(--ink); }
.balance-chip .lbl { font-family: var(--mono); font-size: 9.5px; letter-spacing: .12em; color: var(--dim); }
.model-pick { background: rgba(255, 255, 255, .035); border: 1px solid var(--line); border-radius: 11px; }
.model-pick select { color: var(--ink); font-weight: 600; background: transparent; }
.model-pick .dot-ok { background: var(--green); box-shadow: 0 0 8px rgba(74, 222, 159, .7); }

.chat-scroll { background: transparent; }
.chat-inner { gap: 26px; }
.msg .ava { border-radius: 9px; }
.msg.user .ava { background: #202632; color: var(--muted); border: 1px solid var(--line-strong); }
.msg.assistant .ava, [data-theme="dark"] .msg.assistant .ava {
  background: linear-gradient(150deg, #ffc46b, #ff7a18); color: #1a0c02;
  box-shadow: 0 6px 16px rgba(255, 122, 24, .22);
}
.msg .meta { font-family: var(--mono); font-size: 10px; letter-spacing: .12em; color: var(--dim); }
.msg .text { color: var(--ink-2); font-size: 15px; line-height: 1.68; }
.msg.user .text { color: var(--ink); }
.msg .text pre {
  background: rgba(0, 0, 0, .45); border: 1px solid var(--line-strong);
  border-radius: 12px; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .03);
}
.msg .text code { background: rgba(255, 255, 255, .07); color: #ffd7a8; }
.msg .text pre code { background: none; color: var(--ink-2); }
.msg .text a { color: var(--amber); }
.msg .text blockquote { border-left: 2px solid var(--accent-line); color: var(--muted); padding-left: 14px; }
.msg .text table th { background: rgba(255, 255, 255, .035); color: var(--dim); }
.msg .text th, .msg .text td { border-color: var(--line-strong); }
.copy-code { background: rgba(255, 255, 255, .09); border: 1px solid var(--line-strong); color: var(--ink-2); }
.copy-code:hover { background: rgba(255, 138, 31, .18); color: var(--amber); border-color: var(--accent-line); }
.msg-tools button { color: var(--dim); }
.msg-tools button:hover { color: var(--amber); }
.msg-sources {
  border: 1px solid var(--line); background: rgba(255, 255, 255, .025);
  border-radius: 11px; padding: 11px 13px;
}
.msg-sources b, .sources .lbl { font-family: var(--mono); font-size: 9.5px; letter-spacing: .12em; color: var(--dim); }
.msg-sources a, .sources a { color: var(--amber); }
.msg-files { border: 1px solid var(--line); background: rgba(255, 255, 255, .025); border-radius: 11px; }

.composer-wrap { border-top: 1px solid var(--line); background: linear-gradient(180deg, rgba(8, 9, 12, .4), var(--bg)); }
.composer, .composer:focus-within {
  background: rgba(255, 255, 255, .04); border: 1px solid var(--line-strong);
  border-radius: 16px; box-shadow: var(--shadow-s);
}
.composer:focus-within { border-color: rgba(255, 138, 31, .5); box-shadow: 0 0 0 3px rgba(255, 138, 31, .1); }
.composer textarea { background: transparent; border: none; box-shadow: none; padding: 4px 2px; }
.composer textarea:focus { box-shadow: none; }
.chip-toggle {
  border: 1px solid var(--line-strong); background: rgba(255, 255, 255, .03);
  color: var(--muted); border-radius: 8px;
}
.chip-toggle:hover { color: var(--ink); background: rgba(255, 255, 255, .07); }
.chip-toggle.on { color: var(--amber); border-color: var(--accent-line); background: var(--accent-soft); }
.send-btn, [data-theme="dark"] .send-btn {
  background: linear-gradient(180deg, #ffa347, #ff7a18); color: #1a0c02;
  box-shadow: 0 8px 20px rgba(255, 122, 24, .3);
}
.send-btn:hover { filter: brightness(1.06); }
.send-btn:disabled { background: #232833; color: #5c6472; box-shadow: none; }
.send-btn.stop { background: rgba(255, 107, 107, .16); color: #ff9b9b; box-shadow: none; }
.attach-chip { background: rgba(255, 255, 255, .05); border: 1px solid var(--line-strong); color: var(--ink-2); }
.hint { color: var(--dim); }
.welcome h1 { font-family: var(--display); font-size: 30px; }
.welcome p { color: var(--muted); }
.starter {
  background: rgba(255, 255, 255, .03); border: 1px solid var(--line);
  border-radius: 13px; color: var(--muted); transition: .16s;
}
.starter:hover { border-color: var(--accent-line); background: var(--accent-soft); color: var(--ink); transform: translateY(-1px); }
.starter b { color: var(--ink); }

/* панели кабинета */
.panel-page h2 { font-family: var(--display); font-size: 26px; letter-spacing: -.03em; }
.page-sub { color: var(--muted); }
.stat {
  background: linear-gradient(180deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, .012));
  border: 1px solid var(--line); border-radius: 13px;
}
.stat .lbl { font-family: var(--mono); font-size: 9.5px; letter-spacing: .12em; color: var(--dim); }
.stat .val { font-family: var(--display); font-size: 23px; font-weight: 800; color: var(--ink); letter-spacing: -.03em; }
.stat .sub { color: var(--dim); }
.table th {
  font-family: var(--mono); font-size: 9.5px; letter-spacing: .12em;
  color: var(--dim); border-bottom: 1px solid var(--line);
}
.table td { border-bottom: 1px solid var(--line); color: var(--ink-2); }
.table tbody tr:hover td, .table tr:hover td { background: rgba(255, 138, 31, .045); }
.key-row { border-bottom: 1px solid var(--line); }
.key-val { background: rgba(0, 0, 0, .4); border: 1px solid var(--line-strong); color: var(--muted); }
.copy-field { background: rgba(0, 0, 0, .4); border: 1px solid var(--line-strong); }
.empty { border: 1px dashed var(--line-strong); color: var(--dim); border-radius: 12px; }
.method { background: rgba(255, 255, 255, .03); border: 1px solid var(--line); border-radius: 12px; }
.method:hover { border-color: var(--line-strong); background: rgba(255, 255, 255, .05); }
.method.active { border-color: var(--accent-line); background: var(--accent-soft); }
.method.active .radio { border-color: var(--accent); box-shadow: inset 0 0 0 3px var(--accent); }
.method .radio { border: 1.5px solid var(--line-strong); }
.method.off { opacity: .4; }
.bars .bar { background: linear-gradient(180deg, #ffa347, rgba(255, 138, 31, .22)); border-radius: 4px; }
.bars .bar:hover:after { background: #05060a; border: 1px solid var(--line-strong); color: var(--ink); }
.pay-qr img { background: #fff; border-radius: 12px; }
.pay-sum { font-family: var(--display); font-weight: 800; color: var(--ink); }
.kv .k { color: var(--dim); }
.plan-mini { background: rgba(255, 255, 255, .03); border: 1px solid var(--line); border-radius: 12px; }

/* ------------------------------------------------------------- админка */
.admin-shell { background: var(--bg); }
.admin-head { background: rgba(8, 9, 12, .85); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.admin-nav button { color: var(--muted); border-radius: 9px; }
.admin-nav button:hover { background: rgba(255, 255, 255, .045); color: var(--ink); }
.admin-nav button.active { background: rgba(255, 255, 255, .07); color: var(--ink); box-shadow: inset 2px 0 0 var(--accent); }

/* ------------------------------------------------------- модалки, тосты */
.modal-bg { background: rgba(3, 4, 7, .78); backdrop-filter: blur(6px); }
.modal {
  background: linear-gradient(180deg, #14171f, #0d0f15);
  border: 1px solid var(--line-strong);
  border-radius: 18px; box-shadow: var(--shadow-l);
}
.modal h3 { font-family: var(--display); font-size: 19px; letter-spacing: -.02em; }
#toasts { gap: 10px; }
.toast {
  background: linear-gradient(180deg, #161a22, #0f1218);
  border: 1px solid var(--line-strong); border-left: 2px solid var(--accent);
  border-radius: 11px; box-shadow: var(--shadow-m); color: var(--ink); font-size: 13.5px;
}
.toast.ok { border-left-color: var(--green); }
.toast.err { border-left-color: var(--red); }
.spin { border: 2px solid rgba(255, 255, 255, .14); border-top-color: var(--accent); }
.skeleton { background: linear-gradient(90deg, #101318, #1a1e27, #101318); background-size: 200% 100%; }

/* ------------------------------------------------- скроллбары, мелочи */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #232833; border-radius: 8px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: #2f3644; }
.sep, hr.sep { border-color: var(--line); }
.center { text-align: center; }

/* ------------------------------------------------------- адаптивность */
@media (max-width: 1000px) {
  .hero { padding: 60px 0 44px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 16px 0; }
  .hero-stats div:nth-child(3) { padding-left: 0; border-left: none; }
  .mock { transform: none; }
  .plans { grid-template-columns: 1fr; }
  .cta-band { padding: 38px 22px; }
}
@media (max-width: 640px) {
  body { font-size: 15px; }
  h1.hero-title { font-size: clamp(32px, 9vw, 44px); }
  .hero-stats b { font-size: 17px; }
  .btn-lg { height: 46px; padding: 0 20px; }
  .site-head .inner { height: 60px; }
}