:root {
  --bg: #ffffff;
  --bg-soft: #f6f6f4;
  --ink: #0b0b0c;
  --ink-soft: #5d5d63;
  --line: #e6e6e3;
  --accent: #0b0b0c;
  --accent-ink: #ffffff;
  --ok: #12805c;
  --warn: #b4540a;
  --bad: #b3261e;
  --radius: 18px;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0b0c;
    --bg-soft: #151517;
    --ink: #f4f4f2;
    --ink-soft: #a0a0a8;
    --line: #26262a;
    --accent: #f4f4f2;
    --accent-ink: #0b0b0c;
    --ok: #4cc79a;
    --warn: #f0a35e;
    --bad: #f2867f;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
[hidden] { display: none !important; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }

/* ---- nav ---- */
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { font-size: 22px; font-weight: 650; letter-spacing: -0.03em; text-decoration: none; }
.brand span { color: var(--ink-soft); font-weight: 450; }
.nav-right { display: flex; align-items: center; gap: 14px; color: var(--ink-soft); font-size: 14px; }

/* ---- buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 22px; border-radius: 999px; border: 1px solid transparent;
  background: var(--accent); color: var(--accent-ink);
  font: inherit; font-weight: 550; font-size: 15px; text-decoration: none; cursor: pointer;
  transition: transform .08s ease, opacity .15s ease;
}
.btn:hover { opacity: .88; }
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .45; cursor: default; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { background: var(--bg-soft); opacity: 1; }
.btn.small { height: 36px; padding: 0 16px; font-size: 14px; }
.btn.danger { background: transparent; color: var(--bad); border-color: var(--line); }

/* ---- hero ---- */
.hero { padding: 72px 0 56px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.eyebrow { display: inline-block; padding: 5px 12px; border: 1px solid var(--line); border-radius: 999px; font-size: 13px; color: var(--ink-soft); margin-bottom: 22px; }
h1 { font-size: clamp(40px, 6vw, 68px); line-height: 1.02; letter-spacing: -0.045em; font-weight: 650; margin: 0 0 22px; }
h2 { font-size: clamp(28px, 3.4vw, 40px); line-height: 1.1; letter-spacing: -0.035em; font-weight: 640; margin: 0 0 14px; }
h3 { font-size: 18px; letter-spacing: -0.015em; font-weight: 620; margin: 0 0 6px; }
.lead { font-size: 19px; color: var(--ink-soft); max-width: 34em; margin: 0 0 30px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.fine { font-size: 13px; color: var(--ink-soft); }

/* ---- chat mock ---- */
.phone { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 28px; padding: 22px 18px; display: flex; flex-direction: column; gap: 10px; }
.bubble { max-width: 84%; padding: 10px 14px; border-radius: 18px; font-size: 15px; line-height: 1.4; }
.bubble.me { align-self: flex-end; background: var(--accent); color: var(--accent-ink); border-bottom-right-radius: 6px; }
.bubble.ella { align-self: flex-start; background: var(--bg); border: 1px solid var(--line); border-bottom-left-radius: 6px; }
.bubble .ask-btns { display: flex; gap: 6px; margin-top: 8px; }
.bubble .ask-btns span { flex: 1; text-align: center; padding: 6px 0; border: 1px solid var(--line); border-radius: 10px; font-size: 13px; }

/* ---- sections ---- */
section { padding: 64px 0; border-top: 1px solid var(--line); }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 34px; }
.grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 34px; }
.card { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.card.soft { background: var(--bg-soft); border-color: transparent; }
.card p { margin: 0; color: var(--ink-soft); font-size: 15px; }
.step-n { font: 600 13px var(--mono); color: var(--ink-soft); margin-bottom: 14px; }
.levels { margin-top: 30px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.level { display: grid; grid-template-columns: 110px 1fr; gap: 16px; padding: 18px 24px; border-top: 1px solid var(--line); }
.level:first-child { border-top: 0; }
.level b { font: 600 14px var(--mono); }
.level span { color: var(--ink-soft); font-size: 15px; }
footer { padding: 36px 0 56px; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 14px; }

/* ---- modal ---- */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: grid; place-items: center; padding: 20px; z-index: 10; }
.modal .card { width: 100%; max-width: 440px; text-align: center; padding: 34px 30px; }
.code { font: 650 46px/1 var(--mono); letter-spacing: .12em; margin: 22px 0 8px; }
.modal ol { text-align: left; color: var(--ink-soft); font-size: 15px; padding-left: 20px; margin: 18px 0 24px; }
.modal li { margin: 6px 0; }
.status { margin-top: 18px; font-size: 14px; color: var(--ink-soft); min-height: 1.5em; }

.mt-l { margin-top: 34px; } .mt-s { margin-top: 14px; } .h-modal { font-size: 26px; }

/* ---- dashboard ---- */
.dash { padding: 28px 0 80px; display: grid; gap: 20px; }
.dash h1 { font-size: 34px; margin: 8px 0 4px; }
.row { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.muted { color: var(--ink-soft); }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 5px 12px; border-radius: 999px; border: 1px solid var(--line); font-size: 13px; font-weight: 550; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ink-soft); }
.pill.ok .dot { background: var(--ok); } .pill.ok { color: var(--ok); }
.pill.warn .dot { background: var(--warn); } .pill.warn { color: var(--warn); }
.pill.bad .dot { background: var(--bad); } .pill.bad { color: var(--bad); }
.copybox { display: flex; gap: 10px; align-items: stretch; margin-top: 14px; }
.copybox code, pre.prompt {
  flex: 1; display: block; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 14px; font: 14px/1.5 var(--mono); overflow-wrap: anywhere; white-space: pre-wrap; margin: 0;
}
.notice { margin-top: 14px; padding: 12px 14px; border-radius: 12px; background: var(--bg-soft); font-size: 14px; color: var(--ink-soft); }
.steps { margin: 16px 0 0; padding-left: 20px; color: var(--ink-soft); font-size: 15px; }
.steps li { margin: 10px 0; }
.steps b { color: var(--ink); font-weight: 600; }
.kv { display: grid; grid-template-columns: 150px 1fr; gap: 8px 16px; margin-top: 16px; font-size: 15px; }
.kv dt { color: var(--ink-soft); } .kv dd { margin: 0; }
.channels { display: grid; gap: 10px; margin-top: 16px; }
.channel { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; border: 1px solid var(--line); border-radius: 14px; font-size: 15px; }
.activity { list-style: none; margin: 14px 0 0; padding: 0; font: 13px/1.9 var(--mono); color: var(--ink-soft); }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; padding-top: 40px; gap: 36px; }
  .grid3, .grid2 { grid-template-columns: 1fr; }
  .level { grid-template-columns: 1fr; gap: 4px; }
  .kv { grid-template-columns: 1fr; gap: 2px 0; } .kv dd { margin-bottom: 10px; }
  .copybox { flex-direction: column; }
}

/* ---- auth page ---- */
.auth { display: grid; place-items: start center; padding: 24px 20px 80px; }
.auth-card { width: 100%; max-width: 440px; padding: 36px 32px; }
.auth-title { font-size: 30px; margin: 0 0 6px; }
.auth-card > .muted { margin: 0 0 24px; }
.wide { width: 100%; margin-top: 10px; }
.mark { display: inline-grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; border: 1px solid var(--line); font: 700 12px var(--mono); }
.or { display: flex; align-items: center; gap: 14px; margin: 22px 0 8px; color: var(--ink-soft); font-size: 13px; }
.or::before, .or::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.field { display: block; margin-top: 14px; }
.field span { display: block; font-size: 13px; font-weight: 550; margin-bottom: 6px; }
.field input {
  width: 100%; height: 46px; padding: 0 14px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--bg); color: var(--ink); font: inherit; outline: none;
}
.field input:focus { border-color: var(--ink); }
.auth-error { margin: 0 0 16px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--bad); color: var(--bad); font-size: 14px; }
.switch { margin: 22px 0 0; text-align: center; font-size: 14px; color: var(--ink-soft); }
.switch a { color: var(--ink); font-weight: 600; }
#panel-telegram { text-align: center; }
.tg-steps { text-align: left; color: var(--ink-soft); font-size: 15px; padding-left: 20px; margin: 18px 0 8px; }
.tg-steps li { margin: 6px 0; }

/* ---- pricing ---- */
.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 34px; }
.plan { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.plan.current { border-color: var(--ink); }
.plan .price { font-size: 34px; font-weight: 650; letter-spacing: -0.03em; margin: 10px 0 2px; }
.plan .price small { font-size: 14px; font-weight: 450; color: var(--ink-soft); letter-spacing: 0; }
.plan ul { list-style: none; padding: 0; margin: 16px 0 20px; font-size: 14px; color: var(--ink-soft); flex: 1; }
.plan li { margin: 7px 0; padding-left: 20px; position: relative; }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--ink); }
.plan li.no::before { content: "–"; color: var(--ink-soft); }
.plan .btn { width: 100%; }
.meter { height: 8px; border-radius: 999px; background: var(--bg-soft); border: 1px solid var(--line); overflow: hidden; margin-top: 14px; }
.meter > i { display: block; height: 100%; background: var(--ink); border-radius: 999px; }
.meter.hot > i { background: var(--warn); }
.meter.full > i { background: var(--bad); }
.w0{width:0}.w5{width:5%}.w10{width:10%}.w15{width:15%}.w20{width:20%}.w25{width:25%}.w30{width:30%}.w35{width:35%}.w40{width:40%}.w45{width:45%}.w50{width:50%}
.w55{width:55%}.w60{width:60%}.w65{width:65%}.w70{width:70%}.w75{width:75%}.w80{width:80%}.w85{width:85%}.w90{width:90%}.w95{width:95%}.w100{width:100%}
@media (max-width: 900px) { .plans { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .plans { grid-template-columns: 1fr; } }

/* ---- naming ---- */
#rest { display: grid; gap: 20px; }
.naming { padding: 34px 30px; }
.name-input {
  flex: 1; height: 52px; padding: 0 16px; border-radius: 14px; border: 1px solid var(--line);
  background: var(--bg); color: var(--ink); font: inherit; font-size: 20px; font-weight: 600; letter-spacing: -0.01em; outline: none;
}
.name-input:focus { border-color: var(--ink); }
#naming-error { color: var(--bad); min-height: 1.4em; }