/* ==========================================================================
   Trade Start — премиальная дизайн-система «Приватный терминал»
   ========================================================================== */
:root{
  --ink:#0A0E14; --ink-2:#0C111A;
  --surface:#111725; --surface-2:#151C2B; --surface-3:#1A2233;
  --line:#232D3E; --line-soft:#1A2230;
  --txt:#EAF0F8; --muted:#8B98AC; --faint:#5A6575;
  --muted-2:#6E7C90;
  --emerald:#12C39A; --emerald-2:#0E9E7E; --emerald-ink:#04160F;
  --emerald-glow:rgba(18,195,154,.45);
  --gold:#E4C089; --gold-2:#C9A063;
  --rose:#EA6382; --rose-2:#D64C6E;
  --r:22px; --r-sm:14px;
  --tab-h:66px;
  --shadow:0 20px 44px -20px rgba(0,0,0,.75);
  --font-d:"Space Grotesk",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-b:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;overflow-x:hidden}
h1,h2,h3{overflow-wrap:break-word}
body{
  background:var(--ink); color:var(--txt);
  font:400 15.5px/1.55 var(--font-b);
  letter-spacing:.005em;
  padding-bottom:calc(var(--tab-h) + env(safe-area-inset-bottom));
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  min-height:100vh;
}
/* Приглушённое «освещение» фона — эффект глубины */
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(120% 60% at 50% -8%, rgba(18,195,154,.10), transparent 60%),
    radial-gradient(90% 50% at 100% 0%, rgba(228,192,137,.06), transparent 55%),
    linear-gradient(180deg,var(--ink-2),var(--ink));
}
h1,h2,h3{font-family:var(--font-d);margin:0 0 .4em;line-height:1.14;letter-spacing:-.02em;font-weight:600}
p{margin:0 0 .85em}
b,strong{font-weight:600}
button{font-family:inherit;cursor:pointer;border:none;color:inherit}

/* ---------- Иконки ---------- */
.ic{width:1.3em;height:1.3em;flex:0 0 auto;stroke:currentColor;stroke-width:1.75;
  fill:none;stroke-linecap:round;stroke-linejoin:round;overflow:visible;pointer-events:none}
.ic svg,svg use{display:block}
.ic.lg{width:1.7em;height:1.7em}

/* ---------- Верхняя панель ---------- */
.topbar{position:sticky;top:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;
  padding:calc(env(safe-area-inset-top) + 14px) 18px 12px;
  background:linear-gradient(180deg,var(--ink) 30%,rgba(10,14,20,.82));
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.brand{font-family:var(--font-d);font-weight:700;font-size:19px;letter-spacing:.01em;color:var(--txt)}
.brand::first-letter{color:var(--emerald)}
.stats{display:flex;gap:8px}
.pill{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-d);font-weight:600;
  font-size:13px;padding:6px 11px 6px 9px;border-radius:999px;
  background:var(--surface-2);border:1px solid var(--line);color:var(--muted)}
.pill .ic{width:15px;height:15px;color:var(--muted)}
.pill b{color:var(--txt);font-variant-numeric:tabular-nums}
.pill .ic{color:var(--emerald)}
.pill.gold .ic{color:var(--gold)}

/* тонкая линия прогресса под шапкой */
.topline{height:2px;background:var(--line-soft);margin:0 18px;border-radius:2px;overflow:hidden}
.topline span{display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--emerald),var(--gold));transition:width .6s cubic-bezier(.2,.8,.2,1)}

main{padding:22px 18px 10px;max-width:560px;margin:0 auto}

/* ---------- Карточки ---------- */
.card{position:relative;background:linear-gradient(180deg,var(--surface-2),var(--surface));
  border:1px solid var(--line);border-radius:var(--r);padding:20px;margin-bottom:15px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.045),var(--shadow)}
.card.tap{cursor:pointer;transition:transform .14s ease,border-color .2s ease}
.card.tap:active{transform:scale(.99)}

.eyebrow{font-family:var(--font-b);font-weight:600;font-size:11px;text-transform:uppercase;
  letter-spacing:.16em;color:var(--gold);margin:0 0 10px}
.muted{color:var(--muted)}
.small{font-size:13px}
.mono{font-family:var(--font-d);font-variant-numeric:tabular-nums;letter-spacing:0}
.row{display:flex;align-items:center;gap:12px}
.spread{justify-content:space-between}

/* ---------- Кнопки ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;width:100%;
  padding:15px 18px;border-radius:var(--r-sm);font-size:15.5px;font-weight:600;
  font-family:var(--font-d);letter-spacing:.01em;
  background:var(--surface-3);color:var(--txt);border:1px solid var(--line);transition:transform .12s,filter .2s}
.btn .ic{width:1.2em;height:1.2em}
.btn.primary{background:linear-gradient(135deg,var(--emerald),var(--emerald-2));color:var(--emerald-ink);
  border:none;box-shadow:0 12px 26px -12px var(--emerald-glow),inset 0 1px 0 rgba(255,255,255,.3)}
.btn.gold{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#241a08;border:none;
  box-shadow:0 12px 26px -12px rgba(228,192,137,.4),inset 0 1px 0 rgba(255,255,255,.35)}
.btn.ghost{background:transparent}
.btn.up{background:linear-gradient(135deg,var(--emerald),var(--emerald-2));color:var(--emerald-ink);border:none}
.btn.down{background:linear-gradient(135deg,var(--rose),var(--rose-2));color:#fff;border:none}
.btn:active{transform:translateY(1px);filter:brightness(.96)}
.btn:disabled{opacity:.5}
.btn+.btn{margin-top:11px}
.btn-back{width:auto;padding:9px 12px 9px 4px;background:none;border:none;color:var(--muted);
  font-family:var(--font-b);font-weight:500;justify-content:flex-start}

/* ---------- Главный экран: кольцо пути ---------- */
.hero{text-align:center;padding:26px 22px 24px;
  background:
    radial-gradient(120% 90% at 50% -10%,rgba(18,195,154,.14),transparent 60%),
    linear-gradient(180deg,var(--surface-2),var(--surface))}
.ring-wrap{position:relative;width:168px;height:168px;margin:4px auto 18px}
.ring-wrap svg{transform:rotate(-90deg)}
.ring-bg{fill:none;stroke:var(--line);stroke-width:9}
.ring-fill{fill:none;stroke:url(#ringGrad);stroke-width:9;stroke-linecap:round;
  transition:stroke-dashoffset 1s cubic-bezier(.2,.8,.2,1)}
.ring-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.ring-pct{font-family:var(--font-d);font-weight:700;font-size:40px;line-height:1;letter-spacing:-.03em;
  font-variant-numeric:tabular-nums}
.ring-pct small{font-size:20px;color:var(--muted);margin-left:1px}
.ring-lbl{font-size:11px;text-transform:uppercase;letter-spacing:.16em;color:var(--gold);margin-top:6px}
.hero h1{font-size:clamp(23px,5.8vw,28px);font-weight:700;margin-bottom:8px}
.hero .lead{color:var(--muted);max-width:32ch;margin:0 auto}

/* ---------- Степпер пути ---------- */
.stepper{list-style:none;margin:0;padding:0}
.step{display:flex;gap:15px;padding:2px 0}
.step-rail{display:flex;flex-direction:column;align-items:center}
.step-dot{width:38px;height:38px;border-radius:12px;flex:0 0 auto;display:grid;place-items:center;
  background:var(--surface-3);border:1px solid var(--line);color:var(--muted)}
.step-dot .ic{width:19px;height:19px}
.step-line{width:2px;flex:1;background:var(--line);margin:4px 0;min-height:14px}
.step:last-child .step-line{display:none}
.step-body{padding-bottom:18px;flex:1;min-width:0}
.step-body h3{font-size:16px;margin:6px 0 3px}
.step-body p{font-size:13.5px;color:var(--muted);margin:0}
.step.done .step-dot{background:rgba(18,195,154,.14);border-color:var(--emerald);color:var(--emerald)}
.step.done .step-line{background:linear-gradient(var(--emerald),var(--line))}
.step.active .step-dot{background:linear-gradient(135deg,var(--emerald),var(--emerald-2));
  color:var(--emerald-ink);border:none;box-shadow:0 8px 20px -8px var(--emerald-glow)}
.step.active .step-body h3{color:var(--txt)}
.tag{font-size:10.5px;font-weight:600;text-transform:uppercase;letter-spacing:.12em;
  color:var(--emerald);margin-left:8px}

/* ---------- Список уроков ---------- */
.tile{width:48px;height:48px;flex:0 0 auto;border-radius:14px;display:grid;place-items:center;
  background:radial-gradient(circle at 32% 26%,rgba(18,195,154,.2),rgba(18,195,154,.05));
  border:1px solid rgba(18,195,154,.22);color:var(--emerald)}
.tile .ic{width:23px;height:23px}
.lesson-item{display:flex;align-items:center;gap:15px}
.lesson-item>div{min-width:0}
.lesson-item h3{font-size:15.5px;margin:0}
.lesson-item .meta{font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:5px;margin-top:2px}
.lesson-item .meta .ic{width:13px;height:13px}
.item-end{margin-left:auto;color:var(--muted)}
.item-end.done{color:var(--emerald)}
.card.done-card{border-color:rgba(18,195,154,.4)}
.card.locked{opacity:.62}

/* ---------- Урок ---------- */
.lesson-hero{display:flex;align-items:center;gap:14px;margin-bottom:6px}
.lesson-block{margin-bottom:14px;color:#d7dfea}
.callout{display:flex;gap:11px;background:linear-gradient(180deg,rgba(18,195,154,.12),rgba(18,195,154,.05));
  border:1px solid rgba(18,195,154,.3);border-radius:var(--r-sm);padding:14px;color:#cdf4ea;font-size:14.5px}
.callout .ic{color:var(--emerald);width:20px;height:20px;margin-top:1px}

/* ---------- Квиз ---------- */
.quiz-opt{display:flex;align-items:center;gap:11px;width:100%;text-align:left;padding:14px 15px;
  border-radius:var(--r-sm);margin-bottom:10px;background:var(--surface-3);
  border:1px solid var(--line);color:var(--txt);font-size:14.5px;font-family:var(--font-b);transition:.15s}
.quiz-opt .dot{width:18px;height:18px;border-radius:50%;border:2px solid var(--muted-2);flex:0 0 auto}
.quiz-opt.correct{background:rgba(18,195,154,.16);border-color:var(--emerald)}
.quiz-opt.correct .dot{border-color:var(--emerald);background:var(--emerald)}
.quiz-opt.wrong{background:rgba(234,99,130,.14);border-color:var(--rose)}
.quiz-opt.wrong .dot{border-color:var(--rose)}

/* ---------- Симулятор ---------- */
.sim-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:14px}
.sim-head .eyebrow{margin:0 0 4px}
.balance{font-family:var(--font-d);font-weight:700;font-size:26px;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;color:var(--txt)}
.balance.up{color:var(--emerald)} .balance.down{color:var(--rose)}
.chart-wrap{position:relative;border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--line);background:#0A0F17}
canvas{width:100%;height:216px;display:block}
.price-tag{position:absolute;top:10px;left:12px;font-family:var(--font-d);font-size:13px;
  color:var(--muted);background:rgba(10,15,23,.7);padding:4px 9px;border-radius:8px;
  border:1px solid var(--line);font-variant-numeric:tabular-nums}
.price-tag b{color:var(--txt)}
.stake-row{display:flex;align-items:center;gap:13px;margin:18px 0 6px}
.stake-row .lbl{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}
.stake-row input{flex:1}
.stake-val{font-family:var(--font-d);font-weight:600;font-variant-numeric:tabular-nums;min-width:52px;text-align:right}
.sim-controls{display:flex;gap:12px;margin-top:8px}
.sim-controls .btn{margin-top:0}
.countdown{text-align:center;color:var(--gold);font-family:var(--font-d);font-weight:600;margin-top:14px;
  font-variant-numeric:tabular-nums}
.result-flash{display:flex;align-items:center;justify-content:center;gap:8px;text-align:center;
  font-family:var(--font-d);font-weight:700;font-size:19px;padding:12px;border-radius:var(--r-sm);margin-top:14px;
  font-variant-numeric:tabular-nums}
.result-flash.win{background:rgba(18,195,154,.14);color:var(--emerald)}
.result-flash.lose{background:rgba(234,99,130,.14);color:var(--rose)}

input[type=range]{-webkit-appearance:none;appearance:none;height:6px;background:var(--line);border-radius:999px;outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;
  background:linear-gradient(135deg,var(--emerald),var(--emerald-2));cursor:pointer;
  box-shadow:0 4px 12px -2px var(--emerald-glow),0 0 0 4px rgba(18,195,154,.14)}

/* ---------- Воронка / CTA ---------- */
.cta-hero{text-align:center;padding:28px 22px 22px;
  background:
    radial-gradient(120% 90% at 50% 0%,rgba(228,192,137,.14),transparent 60%),
    linear-gradient(180deg,var(--surface-2),var(--surface))}
.cta-mark{width:66px;height:66px;margin:0 auto 14px;border-radius:20px;display:grid;place-items:center;
  background:radial-gradient(circle at 32% 26%,rgba(228,192,137,.28),rgba(228,192,137,.06));
  border:1px solid rgba(228,192,137,.35);color:var(--gold)}
.cta-mark .ic{width:32px;height:32px}
.steps{list-style:none;padding:0;margin:18px 0 6px;text-align:left}
.steps li{display:flex;gap:13px;align-items:flex-start;padding:13px 0;border-bottom:1px solid var(--line-soft)}
.steps li:last-child{border:none}
.steps .n{flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  background:linear-gradient(135deg,var(--emerald),var(--emerald-2));color:var(--emerald-ink);
  font-family:var(--font-d);font-weight:700;font-size:13px;display:grid;place-items:center}
.steps b{display:block;font-family:var(--font-d);font-weight:600;font-size:14.5px;margin-bottom:1px}
.steps span{font-size:13px;color:var(--muted)}

.disclaimer{display:flex;gap:9px;align-items:flex-start;font-size:11.5px;color:var(--muted-2);
  line-height:1.6;margin:20px 6px;padding:0}
.disclaimer .ic{width:15px;height:15px;flex:0 0 auto;margin-top:1px;color:var(--faint)}

/* ---------- Нижняя навигация ---------- */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:30;
  height:calc(var(--tab-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);
  display:flex;background:rgba(12,17,26,.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-top:1px solid var(--line)}
.tab{flex:1;background:none;color:var(--muted-2);font-size:11px;font-weight:500;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;position:relative;
  transition:color .2s}
.tab .ic{width:23px;height:23px;stroke-width:1.7}
.tab span{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tab.active{color:var(--emerald)}
.tab.active::before{content:"";position:absolute;top:0;width:26px;height:2.5px;border-radius:2px;
  background:linear-gradient(90deg,var(--emerald),var(--gold))}

/* ---------- Установка / тост ---------- */
.install-banner{position:fixed;left:14px;right:14px;
  bottom:calc(var(--tab-h) + 16px + env(safe-area-inset-bottom));z-index:40;
  background:linear-gradient(180deg,var(--surface-2),var(--surface));border:1px solid var(--line);
  border-radius:var(--r-sm);box-shadow:var(--shadow);display:flex;align-items:center;gap:12px;padding:13px 14px}
.install-banner .ic.lg{color:var(--emerald)}
.ib-txt{display:flex;flex-direction:column;line-height:1.35;margin-right:auto;min-width:0}
.install-banner #installBtn{flex:0 0 auto}
.ib-txt b{font-family:var(--font-d);font-size:14px}
.ib-txt span{font-size:12px;color:var(--muted)}
.install-banner #installBtn{background:linear-gradient(135deg,var(--emerald),var(--emerald-2));
  color:var(--emerald-ink);font-family:var(--font-d);font-weight:600;border-radius:10px;padding:9px 14px;font-size:13.5px}
.ib-close{background:transparent;color:var(--muted);padding:9px;margin:-4px -4px -4px 0;display:grid;place-items:center}

/* ---------- Инструкция установки (нижний лист) ---------- */
.sheet-backdrop{position:fixed;inset:0;z-index:60;background:rgba(4,7,11,.62);
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
  display:flex;align-items:flex-end;justify-content:center;opacity:0;transition:opacity .25s}
.sheet-backdrop.show{opacity:1}
.sheet{width:100%;max-width:520px;background:linear-gradient(180deg,var(--surface-2),var(--surface));
  border:1px solid var(--line);border-bottom:none;border-radius:24px 24px 0 0;
  padding:14px 20px calc(22px + env(safe-area-inset-bottom));box-shadow:var(--shadow);
  transform:translateY(100%);transition:transform .32s cubic-bezier(.2,.85,.25,1)}
.sheet-backdrop.show .sheet{transform:none}
.sheet-grip{width:40px;height:4px;border-radius:2px;background:var(--line);margin:0 auto 16px}
.sheet h3{font-size:19px;margin:0 0 4px}
.ios-step{display:flex;gap:13px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line-soft);font-size:14.5px}
.ios-step:last-of-type{border-bottom:none}
.ios-step .n{flex:0 0 auto;width:28px;height:28px;border-radius:9px;
  background:linear-gradient(135deg,var(--emerald),var(--emerald-2));color:var(--emerald-ink);
  font-family:var(--font-d);font-weight:700;font-size:14px;display:grid;place-items:center}
.ios-step .ic{color:var(--emerald);width:20px;height:20px;vertical-align:-4px;margin:0 2px}
.ios-step b{font-weight:600}

.toast{position:fixed;left:50%;transform:translateX(-50%);
  bottom:calc(var(--tab-h) + 22px + env(safe-area-inset-bottom));
  background:var(--surface-3);border:1px solid var(--line);color:var(--txt);padding:12px 18px;
  border-radius:12px;box-shadow:var(--shadow);z-index:50;font-size:14px;opacity:0;
  transition:opacity .3s,transform .3s;pointer-events:none;max-width:82vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(-6px)}

/* ---------- Появление ---------- */
.fade{animation:fade .38s cubic-bezier(.2,.8,.2,1)}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}