:root {
  color-scheme: light dark;
  --page-bg: var(--tg-theme-secondary-bg-color, #f1f1f2);
  --surface: var(--tg-theme-section-bg-color, var(--tg-theme-bg-color, #ffffff));
  --surface-alt: var(--tg-theme-bg-color, #ffffff);
  --text: var(--tg-theme-text-color, #111111);
  --subtitle: var(--tg-theme-subtitle-text-color, var(--tg-theme-hint-color, #707579));
  --hint: var(--tg-theme-hint-color, #8e8e93);
  --accent: var(--tg-theme-accent-text-color, var(--tg-theme-link-color, #3390ec));
  --button: var(--tg-theme-button-color, #3390ec);
  --button-text: var(--tg-theme-button-text-color, #ffffff);
  --separator: var(--tg-theme-section-separator-color, rgba(60, 60, 67, .16));
  --destructive: var(--tg-theme-destructive-text-color, #e53935);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page-bg: var(--tg-theme-secondary-bg-color, #17212b);
    --surface: var(--tg-theme-section-bg-color, var(--tg-theme-bg-color, #212d3b));
    --surface-alt: var(--tg-theme-bg-color, #212d3b);
    --text: var(--tg-theme-text-color, #f5f5f5);
    --subtitle: var(--tg-theme-subtitle-text-color, var(--tg-theme-hint-color, #9aa5b1));
    --hint: var(--tg-theme-hint-color, #8f9ba8);
    --separator: var(--tg-theme-section-separator-color, rgba(255, 255, 255, .10));
  }
}

* { box-sizing: border-box; }
html { background: var(--page-bg); }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--page-bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}
button, input, textarea { font: inherit; }

.shell {
  width: min(680px, 100%);
  margin: 0 auto;
  padding:
    max(16px, env(safe-area-inset-top), var(--tg-safe-area-inset-top, 0px), var(--tg-content-safe-area-inset-top, 0px))
    max(12px, env(safe-area-inset-right), var(--tg-content-safe-area-inset-right, 0px))
    max(28px, env(safe-area-inset-bottom), var(--tg-safe-area-inset-bottom, 0px), var(--tg-content-safe-area-inset-bottom, 0px))
    max(12px, env(safe-area-inset-left), var(--tg-content-safe-area-inset-left, 0px));
}

.hero {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 10px 4px 18px;
}
.bot-avatar-wrap { width: 58px; height: 58px; flex: 0 0 58px; }
.bot-avatar {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: block;
  object-fit: cover;
  background: var(--surface);
}
.bot-avatar-fallback {
  display: grid;
  place-items: center;
  color: var(--button-text);
  background: var(--button);
  font-size: 25px;
  font-weight: 700;
}
.hero-copy { min-width: 0; }
.bot-line { display: flex; align-items: center; gap: 6px; margin-bottom: 2px; }
.bot-name { font-size: 14px; font-weight: 650; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bot-badge {
  color: var(--accent);
  font-size: 10px;
  line-height: 16px;
  font-weight: 700;
  letter-spacing: .035em;
}
h1 { margin: 0; font-size: 24px; line-height: 1.2; letter-spacing: -.015em; }
.hero-subtitle { margin: 4px 0 0; color: var(--subtitle); font-size: 14px; line-height: 1.35; }

.tg-section { margin: 0 0 20px; }
.section-heading { display: flex; align-items: flex-start; gap: 10px; padding: 0 10px 8px; }
.section-heading h2 { margin: 0; font-size: 15px; line-height: 20px; font-weight: 650; }
.muted { margin: 2px 0 0; color: var(--subtitle); font-size: 12px; line-height: 1.38; }
.step {
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--button-text);
  background: var(--button);
  font-size: 12px;
  font-weight: 700;
}
.section-surface {
  overflow: hidden;
  border-radius: 12px;
  background: var(--surface);
}

.rules-legend {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--separator);
}
.legend-item { display: flex; align-items: center; gap: 7px; color: var(--subtitle); font-size: 12px; }
.legend-icon { width: 22px; flex: 0 0 22px; text-align: center; font-size: 17px; }
.rules { display: block; }
.rule-card { padding: 13px 14px; background: var(--surface); }
.rule-card + .rule-card { border-top: 1px solid var(--separator); margin-left: 14px; padding-left: 0; }
.rule-head { display: flex; align-items: center; gap: 8px; margin-bottom: 5px; padding-right: 14px; }
.rule-number {
  min-width: 24px;
  height: 24px;
  padding: 0 6px;
  display: inline-grid;
  place-items: center;
  border-radius: 7px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 11%, transparent);
  font-size: 12px;
  font-weight: 700;
}
.rule-head strong { font-size: 14px; font-weight: 650; }
.rule-icons { margin-left: auto; white-space: nowrap; font-size: 15px; }
.rule-text { margin: 0; padding-right: 14px; font-size: 14px; line-height: 1.43; }
.rule-notes { display: grid; gap: 6px; margin: 9px 14px 0 0; padding-top: 9px; border-top: 1px solid var(--separator); color: var(--subtitle); font-size: 12px; line-height: 1.4; }
.rule-notes p { margin: 0; }
.check-row { border-top: 1px solid var(--separator); padding: 13px 14px; }
.check {
  position: relative;
  display: flex;
  gap: 11px;
  align-items: flex-start;
  margin: 0;
  font-size: 14px;
  line-height: 1.4;
  font-weight: 500;
  cursor: pointer;
  user-select: none;
}
.check-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.check-mark {
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
  display: grid;
  place-items: center;
  border: 1.5px solid var(--hint);
  border-radius: 6px;
  background: transparent;
  color: var(--button-text);
  transition: background-color .14s ease, border-color .14s ease, transform .14s ease;
}
.check-mark::after {
  content: "✓";
  opacity: 0;
  transform: scale(.7);
  font-size: 15px;
  line-height: 1;
  font-weight: 800;
  transition: opacity .12s ease, transform .12s ease;
}
.check-input:checked + .check-mark {
  border-color: var(--button);
  background: var(--button);
}
.check-input:checked + .check-mark::after { opacity: 1; transform: scale(1); }
.check-input:focus-visible + .check-mark {
  outline: 2px solid color-mix(in srgb, var(--button) 45%, transparent);
  outline-offset: 2px;
}
.check:active .check-mark { transform: scale(.94); }
.check-label { min-width: 0; padding-top: 1px; }

.form-surface { padding-left: 14px; }
.field-row { display: grid; gap: 6px; padding: 11px 14px 11px 0; margin: 0; }
.field-label { color: var(--accent); font-size: 12px; font-weight: 500; }
.optional { color: var(--subtitle); font-weight: 400; margin-left: 4px; }
.field-divider { height: 1px; background: var(--separator); }
.field-control { position: relative; display: block; }
input:not([type="checkbox"]), textarea {
  appearance: none;
  width: 100%;
  border: 0;
  outline: 0;
  border-radius: 0;
  padding: 2px 38px 2px 0;
  background: transparent;
  color: var(--text);
  font-size: 16px;
  line-height: 22px;
}
input:not([type="checkbox"])::placeholder, textarea::placeholder { color: var(--hint); opacity: 1; }
textarea { min-height: 94px; resize: vertical; padding-top: 2px; }
.field-row:focus-within .field-label { color: var(--button); }
.field-clear {
  position: absolute;
  right: -2px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 50%;
  padding: 0;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--hint) 18%, transparent);
  color: var(--hint);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}
.field-clear-textarea { top: 0; transform: none; }

.status {
  margin: 0 0 16px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  line-height: 1.4;
}
.status.error { color: var(--destructive); }
.status.ok { color: var(--accent); }

.submit {
  appearance: none;
  width: 100%;
  border: 0;
  border-radius: 12px;
  padding: 14px 16px;
  background: var(--button);
  color: var(--button-text);
  font-size: 15px;
  font-weight: 650;
  cursor: pointer;
}
.submit:disabled { opacity: .55; }
.footer { margin: 10px 12px 0; color: var(--subtitle); text-align: center; font-size: 12px; line-height: 1.4; }
.native-main-button .fallback-submit { display: none; }
[hidden] { display: none !important; }

@media (max-width: 520px) {
  .shell { padding-left: 10px; padding-right: 10px; }
  .rules-legend { grid-template-columns: 1fr; }
  h1 { font-size: 22px; }
}