:root {
  --sn-bg: #07100d;
  --sn-bg-soft: #0c1713;
  --sn-card: rgba(16, 30, 25, 0.92);
  --sn-card-strong: #12231d;
  --sn-card-muted: #0c1915;
  --sn-text: #f7fbf8;
  --sn-soft: #b5c5bc;
  --sn-muted: #7f958a;
  --sn-line: rgba(180, 213, 194, 0.16);
  --sn-line-strong: rgba(207, 231, 216, 0.28);
  --sn-gold: #f5c400;
  --sn-gold-ink: #171400;
  --sn-green: #49d68a;
  --sn-green-soft: rgba(73, 214, 138, 0.12);
  --sn-red: #ff6b72;
  --sn-red-soft: rgba(255, 107, 114, 0.12);
  --sn-blue: #66a9ff;
  --sn-shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
  --sn-radius: 22px;
  --sn-gutter: 16px;
  font-family: Inter, Poppins, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html[data-theme="light"] {
  --sn-bg: #eef4ef;
  --sn-bg-soft: #f7faf7;
  --sn-card: rgba(255, 255, 255, 0.94);
  --sn-card-strong: #ffffff;
  --sn-card-muted: #edf4ef;
  --sn-text: #101828;
  --sn-soft: #40554a;
  --sn-muted: #687c71;
  --sn-line: rgba(23, 55, 39, 0.13);
  --sn-line-strong: rgba(23, 55, 39, 0.24);
  --sn-gold: #d6a84f;
  --sn-gold-ink: #201704;
  --sn-green: #168651;
  --sn-green-soft: rgba(22, 134, 81, 0.1);
  --sn-red: #cf3f4a;
  --sn-red-soft: rgba(207, 63, 74, 0.1);
  --sn-blue: #256fc4;
  --sn-shadow: 0 24px 65px rgba(34, 67, 48, 0.13);
}

* { box-sizing: border-box; }

html { min-width: 320px; scroll-behavior: smooth; }

body {
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  color: var(--sn-text);
  background:
    radial-gradient(circle at 12% -10%, rgba(245, 196, 0, 0.13), transparent 32rem),
    radial-gradient(circle at 100% 8%, rgba(73, 214, 138, 0.1), transparent 28rem),
    var(--sn-bg);
  overflow-x: hidden;
}

button, input, select { font: inherit; }
button, a, input, select { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
a { color: inherit; }

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--sn-gold) 76%, white);
  outline-offset: 3px;
}

.sn-skip {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  color: var(--sn-gold-ink);
  background: var(--sn-gold);
  transform: translateY(-160%);
}
.sn-skip:focus { transform: translateY(0); }

.sn-app { min-height: 100dvh; }
.sn-boot { min-height: 100dvh; display: grid; place-content: center; justify-items: center; gap: 14px; color: var(--sn-soft); }
.sn-boot__mark { display: grid; width: 54px; height: 54px; place-items: center; border-radius: 18px; color: var(--sn-gold-ink); background: var(--sn-gold); font-weight: 900; box-shadow: 0 0 32px rgba(245, 196, 0, 0.24); }

.sn-shell { width: min(1180px, 100%); margin: 0 auto; padding: 0 var(--sn-gutter) 104px; }

.sn-topbar {
  position: sticky;
  z-index: 40;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 66px;
  margin: 0 calc(var(--sn-gutter) * -1);
  padding: max(10px, env(safe-area-inset-top)) var(--sn-gutter) 10px;
  border-bottom: 1px solid var(--sn-line);
  background: color-mix(in srgb, var(--sn-bg) 88%, transparent);
  backdrop-filter: blur(18px);
}
.sn-brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 900; letter-spacing: -0.03em; text-decoration: none; }
.sn-brand__mark { display: grid; width: 34px; height: 34px; place-items: center; border-radius: 11px; color: var(--sn-gold-ink); background: var(--sn-gold); }
.sn-brand small { display: block; color: var(--sn-muted); font-size: 0.68rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.sn-topbar__stats { display: flex; gap: 8px; }
.sn-stat-pill { min-width: 56px; padding: 7px 10px; border: 1px solid var(--sn-line); border-radius: 999px; color: var(--sn-soft); background: var(--sn-card); font: 700 0.75rem/1.1 ui-monospace, SFMono-Regular, Consolas, monospace; text-align: center; }
.sn-stat-pill strong { color: var(--sn-text); }

.sn-desktop-nav { display: none; gap: 6px; }
.sn-desktop-nav button, .sn-bottom-nav button {
  border: 0;
  color: var(--sn-muted);
  background: transparent;
  cursor: pointer;
}
.sn-desktop-nav button { padding: 10px 13px; border-radius: 12px; font-weight: 750; }
.sn-desktop-nav button:hover, .sn-desktop-nav button.is-active { color: var(--sn-text); background: var(--sn-card-muted); }

.sn-bottom-nav {
  position: fixed;
  z-index: 50;
  right: 10px;
  bottom: max(10px, env(safe-area-inset-bottom));
  left: 10px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  padding: 8px;
  border: 1px solid var(--sn-line-strong);
  border-radius: 20px;
  background: color-mix(in srgb, var(--sn-card-strong) 92%, transparent);
  box-shadow: var(--sn-shadow);
  backdrop-filter: blur(20px);
}
.sn-bottom-nav button { min-height: 48px; padding: 5px 3px; border-radius: 14px; font-size: 0.67rem; font-weight: 750; }
.sn-bottom-nav button span { display: block; margin-bottom: 2px; font-size: 1rem; }
.sn-bottom-nav button.is-active { color: var(--sn-gold-ink); background: var(--sn-gold); }

.sn-main { padding-top: 18px; }
.sn-view { animation: sn-view-in 240ms ease both; }
@keyframes sn-view-in { from { opacity: 0; transform: translateY(8px); } }

.sn-hero {
  position: relative;
  display: grid;
  gap: 18px;
  padding: 26px 22px;
  border: 1px solid var(--sn-line);
  border-radius: 28px;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--sn-card-strong) 96%, var(--sn-green) 4%), var(--sn-card)),
    var(--sn-card);
  box-shadow: var(--sn-shadow);
  overflow: hidden;
}
.sn-hero::after { content: ""; position: absolute; width: 200px; height: 200px; right: -80px; top: -100px; border-radius: 50%; background: rgba(245, 196, 0, 0.1); filter: blur(4px); }
.sn-eyebrow { margin: 0 0 9px; color: var(--sn-gold); font-size: 0.75rem; font-weight: 850; letter-spacing: 0.11em; text-transform: uppercase; }
.sn-hero h1, .sn-page-head h1 { max-width: 720px; margin: 0; font-size: clamp(2rem, 7vw, 4.5rem); line-height: 0.98; letter-spacing: -0.055em; }
.sn-hero h1 span { color: var(--sn-green); }
.sn-hero__lead { max-width: 610px; margin: 14px 0 0; color: var(--sn-soft); font-size: 1rem; line-height: 1.55; }
.sn-hero__actions { display: grid; gap: 10px; align-content: end; position: relative; z-index: 1; }

.sn-button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 16px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-weight: 820;
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}
.sn-button:hover { transform: translateY(-1px); }
.sn-button--primary { color: var(--sn-gold-ink); background: var(--sn-gold); box-shadow: 0 12px 28px rgba(245, 196, 0, 0.16); }
.sn-button--secondary { border-color: var(--sn-line-strong); color: var(--sn-text); background: var(--sn-card-muted); }
.sn-button--danger { border-color: color-mix(in srgb, var(--sn-red) 35%, transparent); color: var(--sn-red); background: var(--sn-red-soft); }
.sn-button--quiet { border-color: transparent; color: var(--sn-muted); background: transparent; }
.sn-button[disabled] { opacity: 0.48; cursor: not-allowed; transform: none; }

.sn-mode-switch { display: inline-flex; align-items: center; gap: 6px; padding: 5px; border: 1px solid var(--sn-line); border-radius: 15px; background: var(--sn-card-muted); }
.sn-mode-switch button { min-height: 38px; padding: 7px 11px; border: 0; border-radius: 10px; color: var(--sn-muted); background: transparent; font-weight: 780; cursor: pointer; }
.sn-mode-switch button.is-active { color: var(--sn-text); background: var(--sn-card-strong); box-shadow: 0 6px 16px rgba(0,0,0,.1); }

.sn-section { margin-top: 28px; }
.sn-section-head, .sn-page-head { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 14px; }
.sn-section-head h2, .sn-section-head p, .sn-page-head p { margin: 0; }
.sn-section-head h2 { font-size: clamp(1.25rem, 4vw, 1.75rem); letter-spacing: -0.03em; }
.sn-section-head p, .sn-page-head p { color: var(--sn-muted); }
.sn-page-head { align-items: start; flex-direction: column; margin: 8px 0 20px; }
.sn-page-head h1 { font-size: clamp(2rem, 8vw, 3.6rem); }
.sn-page-head h1 span { color: var(--sn-green); }
.sn-page-head--compact { padding: 12px 0 6px; }

.sn-grid { display: grid; gap: 12px; }
.sn-grid--2, .sn-grid--3 { grid-template-columns: 1fr; }
.sn-card {
  padding: 18px;
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-radius);
  background: var(--sn-card);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.11);
}
.sn-card h2, .sn-card h3, .sn-card p { margin-top: 0; }
.sn-card p:last-child { margin-bottom: 0; }
.sn-card--mission { background: linear-gradient(135deg, color-mix(in srgb, var(--sn-card) 92%, var(--sn-gold) 8%), var(--sn-card)); }
.sn-card--good { border-color: color-mix(in srgb, var(--sn-green) 36%, transparent); background: linear-gradient(135deg, var(--sn-green-soft), var(--sn-card)); }
.sn-card--warning { border-color: color-mix(in srgb, var(--sn-gold) 32%, transparent); }
.sn-card--error { border-color: color-mix(in srgb, var(--sn-red) 35%, transparent); background: linear-gradient(135deg, var(--sn-red-soft), var(--sn-card)); }
.sn-card__meta { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 12px; }

.sn-chip { display: inline-flex; align-items: center; gap: 5px; min-height: 26px; padding: 5px 9px; border: 1px solid var(--sn-line); border-radius: 999px; color: var(--sn-soft); background: var(--sn-card-muted); font-size: 0.72rem; font-weight: 750; }
.sn-chip--gold { color: var(--sn-gold); border-color: color-mix(in srgb, var(--sn-gold) 30%, transparent); }
.sn-chip--green { color: var(--sn-green); border-color: color-mix(in srgb, var(--sn-green) 30%, transparent); }

.sn-mission-row { display: flex; align-items: center; gap: 13px; }
.sn-mission-icon { display: grid; flex: 0 0 46px; width: 46px; height: 46px; place-items: center; border-radius: 15px; color: var(--sn-gold-ink); background: var(--sn-gold); font-size: 1.2rem; }
.sn-mission-row h3, .sn-mission-row p { margin: 0; }
.sn-mission-row p { margin-top: 4px; color: var(--sn-muted); font-size: .88rem; }

.sn-level-map { display: grid; gap: 10px; }
.sn-level {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 13px;
  border: 1px solid var(--sn-line);
  border-radius: 17px;
  background: var(--sn-card);
  color: var(--sn-text);
  text-align: left;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease;
}
.sn-level:hover { transform: translateY(-2px); border-color: var(--sn-line-strong); }
.sn-level__body { min-width: 0; }
.sn-level__body strong, .sn-level__body small { display: block; }
.sn-level__body strong { font-size: .94rem; }
.sn-level__body small { margin-top: 3px; color: var(--sn-muted); font-size: .75rem; }
.sn-level__index { display: grid; width: 38px; height: 38px; place-items: center; border-radius: 12px; color: var(--sn-gold); background: var(--sn-card-muted); font: 800 .82rem ui-monospace, SFMono-Regular, Consolas, monospace; }
.sn-level h3, .sn-level p { margin: 0; }
.sn-level h3 { font-size: .94rem; }
.sn-level p { margin-top: 3px; color: var(--sn-muted); font-size: .75rem; }
.sn-progress { height: 7px; margin-top: 9px; border-radius: 999px; background: color-mix(in srgb, var(--sn-line) 75%, transparent); overflow: hidden; }
.sn-progress span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--sn-gold), var(--sn-green)); transition: width 320ms ease; }
.sn-mastery { color: var(--sn-soft); font-size: .68rem; font-weight: 780; text-align: right; }

.sn-skill-score { display: grid; grid-template-columns: 1fr auto; gap: 7px 12px; align-items: center; }
.sn-skill-score strong { font: 850 1.35rem ui-monospace, SFMono-Regular, Consolas, monospace; }
.sn-skill-score .sn-progress { grid-column: 1 / -1; margin: 0; }

.sn-stepper { display: flex; gap: 7px; margin-bottom: 18px; overflow-x: auto; scrollbar-width: none; }
.sn-stepper::-webkit-scrollbar { display: none; }
.sn-step-dot { flex: 0 0 auto; width: 34px; height: 8px; border: 0; border-radius: 999px; background: var(--sn-line-strong); cursor: pointer; }
.sn-step-dot.is-active { width: 58px; background: var(--sn-gold); }
.sn-step-dot.is-done { background: var(--sn-green); }
.sn-step-dot:disabled { opacity: .35; cursor: not-allowed; }

.sn-lesson { display: grid; gap: 16px; }
.sn-lesson__copy { padding: 22px; }
.sn-lesson__copy h2 { margin: 0; font-size: clamp(1.55rem, 6vw, 2.5rem); letter-spacing: -0.04em; }
.sn-lesson__copy > p { color: var(--sn-soft); line-height: 1.55; }
.sn-lesson__prompt { padding: 12px 14px; border-left: 3px solid var(--sn-gold); border-radius: 0 12px 12px 0; color: var(--sn-soft); background: var(--sn-card-muted); }
.sn-lesson__visual { min-height: 250px; display: grid; align-content: center; gap: 14px; }

.sn-choice-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.sn-choice {
  min-height: 64px;
  padding: 12px;
  border: 1px solid var(--sn-line-strong);
  border-radius: 16px;
  color: var(--sn-text);
  background: var(--sn-card-muted);
  font-weight: 850;
  cursor: pointer;
}
.sn-choice:hover, .sn-choice.is-selected { border-color: var(--sn-gold); background: color-mix(in srgb, var(--sn-card-muted) 88%, var(--sn-gold) 12%); }
.sn-choice.is-correct { border-color: var(--sn-green); background: var(--sn-green-soft); }
.sn-choice.is-wrong { border-color: var(--sn-red); background: var(--sn-red-soft); }

.sn-market-meet { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 10px; }
.sn-market-party { padding: 18px 10px; border: 1px solid var(--sn-line); border-radius: 17px; text-align: center; background: var(--sn-card-muted); }
.sn-market-party strong { display: block; margin-top: 7px; }
.sn-market-price { display: grid; width: 62px; height: 62px; place-items: center; border-radius: 50%; color: var(--sn-gold-ink); background: var(--sn-gold); font: 900 .78rem ui-monospace, SFMono-Regular, Consolas, monospace; }

.sn-price-ticker { padding: 24px; border: 1px solid var(--sn-line); border-radius: 20px; text-align: center; background: var(--sn-card-muted); }
.sn-price-ticker strong { display: block; font: 900 clamp(2rem, 12vw, 4rem)/1 ui-monospace, SFMono-Regular, Consolas, monospace; }
.sn-price-ticker span { display: block; margin-top: 8px; color: var(--sn-muted); }

.sn-chart-shell { position: relative; min-height: 240px; padding: 12px; border: 1px solid var(--sn-line); border-radius: 18px; background: linear-gradient(180deg, color-mix(in srgb, var(--sn-card-muted) 88%, var(--sn-green) 12%), var(--sn-card-muted)); overflow: hidden; }
.sn-chart-shell svg { display: block; width: 100%; min-height: 215px; }
.sn-chart-grid { stroke: var(--sn-line); stroke-width: 1; }
.sn-chart-line { fill: none; stroke: var(--sn-gold); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.sn-chart-future { fill: none; stroke: var(--sn-blue); stroke-width: 3; stroke-dasharray: 7 7; }
.sn-candle-up { fill: var(--sn-green); stroke: var(--sn-green); }
.sn-candle-down { fill: var(--sn-red); stroke: var(--sn-red); }
.sn-chart-mask { fill: color-mix(in srgb, var(--sn-card-muted) 96%, transparent); }
.sn-chart-label { fill: var(--sn-muted); font: 700 11px ui-monospace, SFMono-Regular, Consolas, monospace; }
.sn-chart-level--entry { stroke: var(--sn-blue); }
.sn-chart-level--sl { stroke: var(--sn-red); }
.sn-chart-level--tp { stroke: var(--sn-green); }
.sn-chart-level { stroke-width: 2; stroke-dasharray: 6 5; }

.sn-candle-anatomy, .sn-structure-lesson { padding: 10px; border: 1px solid var(--sn-line); border-radius: 18px; background: var(--sn-card-muted); }
.sn-candle-anatomy svg, .sn-structure-lesson svg { display: block; width: 100%; max-height: 245px; }
.sn-candle-anatomy line { stroke: var(--sn-soft); stroke-width: 2; }
.sn-candle-anatomy text, .sn-structure-lesson text { fill: var(--sn-soft); font: 800 13px ui-monospace, SFMono-Regular, Consolas, monospace; }
.sn-candle-anatomy .sn-candle-wick { stroke: var(--sn-green); stroke-width: 5; }
.sn-candle-anatomy .sn-candle-body { fill: color-mix(in srgb, var(--sn-green) 24%, var(--sn-card-strong)); stroke: var(--sn-green); stroke-width: 3; }
.sn-candle-parts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; }
.sn-candle-parts .sn-choice { min-height: 52px; }
.sn-structure-lesson polyline { fill: none; stroke: var(--sn-gold); stroke-width: 5; stroke-linecap: round; stroke-linejoin: round; }
.sn-structure-lesson circle { fill: var(--sn-card-strong); stroke: var(--sn-gold); stroke-width: 4; }

.sn-lot-results { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; }
.sn-lot-result { padding: 13px; border: 1px solid var(--sn-line); border-radius: 14px; background: var(--sn-card-muted); }
.sn-lot-result span, .sn-lot-result strong { display: block; }
.sn-lot-result span { color: var(--sn-muted); font-size: .76rem; }
.sn-lot-result strong { margin-top: 5px; font: 850 1.15rem ui-monospace, SFMono-Regular, Consolas, monospace; }

.sn-feedback { padding: 15px; border: 1px solid var(--sn-line); border-radius: 16px; background: var(--sn-card-muted); }
.sn-feedback strong { display: block; margin-bottom: 4px; }
.sn-feedback--good { border-color: color-mix(in srgb, var(--sn-green) 35%, transparent); background: var(--sn-green-soft); }
.sn-feedback--bad { border-color: color-mix(in srgb, var(--sn-red) 35%, transparent); background: var(--sn-red-soft); }
.sn-action-hint { margin: 0; padding: 12px 14px; border: 1px dashed var(--sn-line-strong); border-radius: 14px; color: var(--sn-muted); background: var(--sn-card-muted); font-size: .82rem; text-align: center; }
.sn-risk-complete { display: grid; gap: 12px; margin-top: 14px; }
.sn-risk-complete__actions { display: grid; gap: 8px; }
.sn-risk-complete__actions .sn-button { width: 100%; }

.sn-form { display: grid; gap: 13px; }
.sn-field { display: grid; gap: 7px; }
.sn-field label, .sn-field__label { color: var(--sn-soft); font-size: .78rem; font-weight: 780; }
.sn-field input, .sn-field select {
  width: 100%;
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid var(--sn-line-strong);
  border-radius: 13px;
  color: var(--sn-text);
  background: var(--sn-card-muted);
}
.sn-field input[type="range"] { min-height: 36px; padding: 0; accent-color: var(--sn-gold); }
.sn-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.sn-inline-toggle { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 12px; border: 1px solid var(--sn-line); border-radius: 13px; background: var(--sn-card-muted); }
.sn-inline-toggle input { width: 20px; height: 20px; accent-color: var(--sn-gold); }

.sn-kpi-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; }
.sn-kpi { min-height: 88px; padding: 13px; border: 1px solid var(--sn-line); border-radius: 15px; background: var(--sn-card-muted); }
.sn-kpi span { display: block; color: var(--sn-muted); font-size: .73rem; }
.sn-kpi strong { display: block; margin-top: 7px; font: 850 clamp(1rem, 5vw, 1.35rem)/1.1 ui-monospace, SFMono-Regular, Consolas, monospace; }
.sn-kpi--risk strong { color: var(--sn-red); }
.sn-kpi--reward strong { color: var(--sn-green); }

.sn-help {
  display: inline-grid;
  width: 24px;
  height: 24px;
  place-items: center;
  margin-left: 4px;
  border: 1px solid var(--sn-line-strong);
  border-radius: 50%;
  color: var(--sn-soft);
  background: var(--sn-card-muted);
  font-weight: 900;
  cursor: pointer;
}
.sn-explainer { margin-top: 10px; padding: 13px; border: 1px solid var(--sn-line); border-radius: 14px; color: var(--sn-soft); background: var(--sn-card-muted); font-size: .86rem; line-height: 1.5; }
.sn-formula { display: block; margin-top: 7px; color: var(--sn-text); font: 700 .78rem/1.5 ui-monospace, SFMono-Regular, Consolas, monospace; overflow-wrap: anywhere; }

.sn-score-ring { --score: 0; position: relative; display: grid; width: 112px; height: 112px; place-items: center; border-radius: 50%; background: conic-gradient(var(--sn-green) calc(var(--score) * 1%), var(--sn-line) 0); }
.sn-score-ring::before { content: ""; position: absolute; inset: 9px; border-radius: inherit; background: var(--sn-card-strong); }
.sn-score-ring strong { position: relative; z-index: 1; font: 900 1.45rem ui-monospace, SFMono-Regular, Consolas, monospace; }
.sn-score-panel { display: flex; align-items: center; gap: 16px; }
.sn-score-panel h3, .sn-score-panel p { margin: 0; }
.sn-score-panel p { margin-top: 5px; color: var(--sn-muted); line-height: 1.45; }

.sn-coach-list { display: grid; gap: 8px; margin: 14px 0 0; padding: 0; list-style: none; }
.sn-coach-list li { display: grid; grid-template-columns: auto 1fr; gap: 9px; padding: 10px; border-radius: 12px; background: var(--sn-card-muted); }

.sn-disclaimer { margin-top: 28px; padding: 17px; border: 1px solid var(--sn-line); border-radius: 18px; color: var(--sn-muted); background: var(--sn-card-muted); font-size: .78rem; line-height: 1.55; }
.sn-disclaimer strong { color: var(--sn-soft); }

.sn-toast { position: fixed; z-index: 80; top: calc(env(safe-area-inset-top) + 76px); right: 16px; left: 16px; padding: 13px 15px; border: 1px solid var(--sn-line-strong); border-radius: 14px; color: var(--sn-text); background: var(--sn-card-strong); box-shadow: var(--sn-shadow); animation: sn-toast 2.8s ease both; }
@keyframes sn-toast { 0% { opacity: 0; transform: translateY(-8px); } 10%, 85% { opacity: 1; transform: none; } 100% { opacity: 0; transform: translateY(-8px); } }

.sn-dialog { position: fixed; z-index: 90; inset: 0; display: grid; place-items: end center; padding: 16px; background: rgba(0, 0, 0, .62); }
.sn-dialog__card { width: min(560px, 100%); max-height: min(82dvh, 700px); padding: 20px; border: 1px solid var(--sn-line-strong); border-radius: 24px; background: var(--sn-card-strong); box-shadow: var(--sn-shadow); overflow: auto; }
.sn-dialog__card h2 { margin-top: 0; }
.sn-dialog__actions { display: grid; gap: 9px; margin-top: 18px; }

.sn-hidden { display: none !important; }
.sn-mono { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.sn-positive { color: var(--sn-green) !important; }
.sn-negative { color: var(--sn-red) !important; }
.sn-muted { color: var(--sn-muted); }

.sn-track-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 6px 0 18px;
}
.sn-track-tabs button {
  display: grid;
  min-height: 76px;
  place-content: center;
  gap: 2px;
  padding: 9px;
  border: 1px solid var(--sn-line);
  border-radius: 16px;
  color: var(--sn-soft);
  background: var(--sn-card);
  font-weight: 850;
  cursor: pointer;
}
.sn-track-tabs button > span { color: var(--sn-gold); font-size: 1.15rem; }
.sn-track-tabs button small { color: var(--sn-muted); font-size: .65rem; font-weight: 700; }
.sn-track-tabs button.is-active { border-color: color-mix(in srgb, var(--sn-gold) 54%, transparent); color: var(--sn-text); background: linear-gradient(145deg, color-mix(in srgb, var(--sn-card) 88%, var(--sn-gold) 12%), var(--sn-card)); }

.sn-course-hero {
  display: grid;
  gap: 20px;
  padding: 22px;
  border: 1px solid var(--sn-line);
  border-radius: 24px;
  background: linear-gradient(135deg, var(--sn-card-strong), color-mix(in srgb, var(--sn-card) 90%, var(--sn-green) 10%));
  box-shadow: var(--sn-shadow);
}
.sn-course-hero h2 { margin: 13px 0 7px; font-size: clamp(1.45rem, 5vw, 2.2rem); letter-spacing: -.035em; }
.sn-course-hero p { margin: 0; color: var(--sn-soft); line-height: 1.5; }
.sn-course-progress { align-self: center; min-width: 180px; }
.sn-course-progress strong { display: block; font: 900 2.4rem/1 ui-monospace, SFMono-Regular, Consolas, monospace; }
.sn-course-progress > span { display: block; margin-top: 5px; color: var(--sn-muted); font-size: .75rem; }

.sn-module-list { display: grid; gap: 9px; }
.sn-module-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 14px;
  border: 1px solid var(--sn-line);
  border-radius: 18px;
  color: var(--sn-text);
  background: var(--sn-card);
  text-align: left;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease;
}
.sn-module-card:hover { transform: translateY(-2px); border-color: var(--sn-line-strong); }
.sn-module-card.is-current { border-color: var(--sn-gold); }
.sn-module-card.is-done { background: linear-gradient(135deg, var(--sn-green-soft), var(--sn-card)); }
.sn-module-card__index { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 13px; color: var(--sn-gold); background: var(--sn-card-muted); font: 850 .78rem ui-monospace, SFMono-Regular, Consolas, monospace; }
.sn-module-card.is-done .sn-module-card__index { color: var(--sn-green); }
.sn-module-card__copy, .sn-module-card__copy > * { display: block; min-width: 0; }
.sn-module-card__copy strong { margin: 3px 0 4px; font-size: .95rem; }
.sn-module-card__copy small { display: -webkit-box; color: var(--sn-muted); font-size: .77rem; line-height: 1.35; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }
.sn-module-card__meta { color: var(--sn-gold); font-size: .65rem; font-weight: 850; letter-spacing: .05em; text-transform: uppercase; }
.sn-module-card__xp { color: var(--sn-muted); font-size: .68rem; font-weight: 800; text-align: right; }
.sn-module-card__xp b { display: block; margin-top: 3px; color: var(--sn-text); font-size: 1.2rem; }

.sn-lesson-topline { display: flex; justify-content: space-between; gap: 12px; margin: 6px 0 14px; color: var(--sn-muted); font-size: .75rem; }
.sn-back { padding: 0; border: 0; color: var(--sn-soft); background: transparent; font-weight: 800; cursor: pointer; }
.sn-course-lesson { display: grid; gap: 14px; }
.sn-course-lesson__copy { display: flex; min-height: 330px; flex-direction: column; justify-content: center; padding: 24px; }
.sn-course-lesson__copy h1 { margin: 0; font-size: clamp(1.75rem, 7vw, 3.15rem); line-height: 1.02; letter-spacing: -.05em; }
.sn-course-lead { margin: 14px 0; color: var(--sn-soft); font-size: 1rem; line-height: 1.55; }
.sn-course-lesson__stage { display: grid; min-height: 330px; align-content: center; padding: 22px; overflow: hidden; }
.sn-lesson-note { display: grid; gap: 5px; margin-top: 12px; padding: 13px; border-left: 3px solid var(--sn-gold); border-radius: 0 13px 13px 0; background: var(--sn-card-muted); }
.sn-lesson-note span { color: var(--sn-muted); font-size: .82rem; line-height: 1.45; }
.sn-lesson-controls { position: sticky; z-index: 15; bottom: 82px; display: grid; grid-template-columns: .7fr 1.3fr; gap: 9px; margin-top: 14px; padding: 8px; border: 1px solid var(--sn-line); border-radius: 18px; background: color-mix(in srgb, var(--sn-card-strong) 94%, transparent); backdrop-filter: blur(16px); }

.sn-concept-visual { position: relative; display: grid; min-height: 280px; place-content: center; justify-items: center; text-align: center; }
.sn-concept-visual > span { position: relative; z-index: 2; display: grid; width: 82px; height: 82px; place-items: center; border-radius: 26px; color: var(--sn-gold-ink); background: var(--sn-gold); font-size: 2rem; box-shadow: 0 0 50px color-mix(in srgb, var(--sn-gold) 28%, transparent); }
.sn-concept-visual strong { position: relative; z-index: 2; max-width: 400px; margin-top: 28px; font-size: 1rem; line-height: 1.4; }
.sn-concept-visual small { margin-top: 6px; color: var(--sn-muted); }
.sn-concept-orbit { position: absolute; width: 210px; height: 210px; border: 1px solid var(--sn-line-strong); border-radius: 50%; }
.sn-concept-orbit::before { content: ""; position: absolute; inset: 28px; border: 1px dashed var(--sn-line-strong); border-radius: 50%; }
.sn-concept-orbit i { position: absolute; width: 10px; height: 10px; border-radius: 50%; background: var(--sn-green); }
.sn-concept-orbit i:nth-child(1) { top: 8px; left: 98px; }.sn-concept-orbit i:nth-child(2) { right: 12px; bottom: 48px; }.sn-concept-orbit i:nth-child(3) { left: 20px; bottom: 38px; }

.sn-example-board { border: 1px solid var(--sn-line); border-radius: 18px; background: var(--sn-card-muted); overflow: hidden; }
.sn-example-board__top { display: flex; justify-content: space-between; gap: 8px; padding: 12px 14px; border-bottom: 1px solid var(--sn-line); color: var(--sn-soft); font: 750 .67rem ui-monospace, SFMono-Regular, Consolas, monospace; }
.sn-example-board__top strong { color: var(--sn-green); font-size: .62rem; }
.sn-example-row { display: grid; grid-template-columns: auto 1fr; align-items: start; gap: 10px; padding: 13px 14px; border-bottom: 1px solid var(--sn-line); }
.sn-example-row:last-child { border-bottom: 0; }
.sn-example-row > span, .sn-key-list li > span { display: grid; width: 28px; height: 28px; place-items: center; border-radius: 9px; color: var(--sn-gold); background: var(--sn-card-strong); font: 850 .7rem ui-monospace, SFMono-Regular, Consolas, monospace; }
.sn-example-row p { margin: 3px 0 0; color: var(--sn-soft); font-size: .82rem; line-height: 1.4; }
.sn-key-list { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.sn-key-list li { display: grid; grid-template-columns: auto 1fr; align-items: start; gap: 11px; padding: 13px; border: 1px solid var(--sn-line); border-radius: 15px; background: var(--sn-card-muted); }
.sn-key-list p { margin: 2px 0 0; color: var(--sn-soft); line-height: 1.45; }
.sn-quiz-options { display: grid; gap: 9px; }
.sn-quiz-options .sn-choice { min-height: 62px; text-align: left; font-size: .83rem; line-height: 1.35; }
.sn-practice-bridge { display: grid; place-items: center; text-align: center; }
.sn-practice-bridge > span { display: grid; width: 76px; height: 76px; place-items: center; border-radius: 24px; color: var(--sn-gold-ink); background: var(--sn-gold); font-size: 1.8rem; }
.sn-practice-bridge h2 { margin: 18px 0 6px; }
.sn-practice-bridge p { max-width: 390px; margin: 0 0 18px; color: var(--sn-muted); line-height: 1.45; }

.sn-activity-grid { display: grid; gap: 12px; }
.sn-activity-card { display: grid; align-content: start; min-height: 250px; padding: 20px; border: 1px solid var(--sn-line); border-radius: 22px; color: var(--sn-text); background: linear-gradient(145deg, var(--sn-card-strong), var(--sn-card)); text-align: left; cursor: pointer; box-shadow: 0 12px 34px rgba(0,0,0,.11); transition: transform 180ms ease, border-color 180ms ease; }
.sn-activity-card:hover { transform: translateY(-3px); border-color: var(--sn-line-strong); }
.sn-activity-card__icon { display: grid; width: 52px; height: 52px; margin-bottom: 18px; place-items: center; border-radius: 16px; color: var(--sn-gold-ink); background: var(--sn-gold); font-size: 1.25rem; }
.sn-activity-card .sn-chip { justify-self: start; }
.sn-activity-card > strong { margin-top: 11px; font-size: 1.3rem; letter-spacing: -.025em; }
.sn-activity-card > small { margin-top: 7px; color: var(--sn-muted); font-size: .82rem; line-height: 1.45; }
.sn-activity-card__footer { display: flex; justify-content: space-between; margin-top: auto; padding-top: 22px; color: var(--sn-muted); font-size: .75rem; }
.sn-activity-card__footer b { color: var(--sn-text); }
.sn-simulation-feature { display: grid; gap: 16px; padding: 24px; border: 1px solid var(--sn-line); border-radius: 26px; background: linear-gradient(135deg, color-mix(in srgb, var(--sn-card-strong) 92%, var(--sn-gold) 8%), var(--sn-card)); box-shadow: var(--sn-shadow); }
.sn-simulation-feature h2 { margin: 14px 0 8px; font-size: clamp(1.65rem, 6vw, 2.7rem); }
.sn-simulation-feature p { max-width: 520px; color: var(--sn-soft); line-height: 1.5; }
.sn-sim-preview { min-width: 0; }
.sn-profile-level { display: grid; width: 82px; height: 82px; place-items: center; border: 1px solid color-mix(in srgb, var(--sn-gold) 50%, transparent); border-radius: 50%; color: var(--sn-gold); background: var(--sn-card); font: 900 1rem ui-monospace, SFMono-Regular, Consolas, monospace; }
.sn-profile-kpi span { color: var(--sn-muted); font-size: .77rem; }
.sn-profile-kpi strong { display: block; margin-top: 9px; font: 900 clamp(1.6rem, 7vw, 2.5rem) ui-monospace, SFMono-Regular, Consolas, monospace; }
.sn-badge-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; }
.sn-badge { display: grid; justify-items: center; padding: 17px 10px; border: 1px solid var(--sn-line); border-radius: 17px; color: var(--sn-muted); background: var(--sn-card); text-align: center; filter: saturate(.3); opacity: .68; }
.sn-badge.is-unlocked { color: var(--sn-text); border-color: color-mix(in srgb, var(--sn-gold) 35%, transparent); filter: none; opacity: 1; }
.sn-badge > span { display: grid; width: 42px; height: 42px; margin-bottom: 8px; place-items: center; border-radius: 13px; color: var(--sn-gold); background: var(--sn-card-muted); }
.sn-badge strong { font-size: .78rem; }.sn-badge small { margin-top: 4px; color: var(--sn-muted); font-size: .65rem; }

@media (min-width: 700px) {
  :root { --sn-gutter: 24px; }
  .sn-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sn-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sn-hero { grid-template-columns: 1fr minmax(220px, .38fr); padding: 38px; }
  .sn-lesson { grid-template-columns: minmax(0, .85fr) minmax(330px, 1.15fr); align-items: stretch; }
  .sn-form { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sn-form .sn-field--wide, .sn-form .sn-inline-toggle { grid-column: 1 / -1; }
  .sn-dialog { place-items: center; }
  .sn-dialog__actions { grid-template-columns: 1fr 1fr; }
  .sn-toast { right: 24px; left: auto; width: min(390px, calc(100% - 48px)); }
  .sn-course-hero { grid-template-columns: 1fr auto; align-items: center; padding: 28px; }
  .sn-course-lesson { grid-template-columns: minmax(0, .88fr) minmax(360px, 1.12fr); }
  .sn-activity-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sn-simulation-feature { grid-template-columns: .78fr 1.22fr; align-items: center; }
  .sn-badge-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 960px) {
  .sn-shell { padding-bottom: 48px; }
  .sn-desktop-nav { display: flex; }
  .sn-bottom-nav { display: none; }
  .sn-topbar { margin: 0; padding-inline: 0; }
  .sn-level-map { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sn-risk-layout { display: grid; grid-template-columns: minmax(300px, .72fr) minmax(0, 1.28fr); gap: 14px; align-items: start; }
  .sn-risk-layout > .sn-card:first-child { position: sticky; top: 86px; }
  .sn-lesson-controls { bottom: 18px; margin-inline: auto; max-width: 700px; }
}

@media (max-width: 380px) {
  .sn-topbar__stats .sn-stat-pill:last-child { display: none; }
  .sn-brand__text { font-size: .88rem; }
  .sn-choice-grid, .sn-field-row { grid-template-columns: 1fr; }
  .sn-bottom-nav button { font-size: .61rem; }
  .sn-kpi strong { font-size: .96rem; }
  .sn-module-card { grid-template-columns: auto minmax(0, 1fr); }
  .sn-module-card__xp { display: none; }
  .sn-track-tabs button { min-height: 68px; font-size: .78rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
}