:root {
  color-scheme: light dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Tahoma, Arial, sans-serif;
  background: var(--tg-theme-bg-color, #ffffff);
  color: var(--tg-theme-text-color, #17212b);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--tg-theme-bg-color, #ffffff); }
main {
  width: min(100%, 520px);
  margin: 0 auto;
  padding: max(18px, var(--tg-content-safe-area-inset-top, 0px)) 16px
           max(22px, var(--tg-content-safe-area-inset-bottom, 0px));
}
.hero {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 4px 2px 18px;
}
.lock {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  border-radius: 50%;
  background: var(--tg-theme-secondary-bg-color, #f1f3f5);
  font-size: 20px;
}
.eyebrow {
  margin: 1px 0 4px;
  font-size: 12px;
  font-weight: 700;
  color: var(--tg-theme-hint-color, #708499);
}
h1 {
  margin: 0 0 5px;
  font-size: clamp(25px, 7vw, 34px);
  line-height: 1.2;
}
.subtitle {
  margin: 0;
  color: var(--tg-theme-hint-color, #708499);
  line-height: 1.6;
  font-size: 14px;
}
.steps {
  display: flex;
  align-items: center;
  margin: 0 4px 16px;
  color: var(--tg-theme-hint-color, #708499);
  font-size: 12px;
}
.step { display: flex; align-items: center; gap: 6px; white-space: nowrap; }
.step span {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--tg-theme-secondary-bg-color, #f1f3f5);
}
.step.done, .step.current { color: var(--tg-theme-text-color, #17212b); }
.step.current span {
  background: var(--tg-theme-button-color, #3390ec);
  color: var(--tg-theme-button-text-color, #ffffff);
}
.line {
  height: 1px;
  flex: 1;
  min-width: 20px;
  margin: 0 8px;
  background: var(--tg-theme-section-separator-color, #dfe3e8);
}
#card {
  background: var(--tg-theme-secondary-bg-color, #f4f4f5);
  border-radius: 18px;
  padding: 18px;
}
.conversation {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 750;
}
.status {
  min-height: 25px;
  margin: 0 0 14px;
  line-height: 1.65;
}
button {
  width: 100%;
  min-height: 48px;
  border: 0;
  border-radius: 12px;
  padding: 12px 16px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
button.primary {
  background: var(--tg-theme-button-color, #3390ec);
  color: var(--tg-theme-button-text-color, #ffffff);
}
button.secondary {
  margin-top: 10px;
  background: var(--tg-theme-bg-color, #ffffff);
  color: var(--tg-theme-link-color, #168acd);
}
button.quiet {
  margin-top: 8px;
  background: transparent;
  color: var(--tg-theme-hint-color, #708499);
  font-weight: 600;
}
button:disabled { opacity: .48; cursor: default; }
#qr {
  display: block;
  width: min(256px, 88%);
  height: auto;
  margin: 16px auto 10px;
  padding: 12px;
  border-radius: 16px;
  background: #ffffff;
}
.notice {
  display: grid;
  gap: 6px;
  margin: 10px 0 14px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--tg-theme-bg-color, #ffffff);
  color: var(--tg-theme-hint-color, #708499);
  font-size: 13px;
  line-height: 1.55;
}
.notice b { color: var(--tg-theme-text-color, #17212b); }
.password-box, .input-box { margin-top: 14px; }
.input-help {
  margin: 8px 2px 0;
  color: var(--tg-theme-hint-color, #708499);
  font-size: 12px;
  line-height: 1.6;
}
label {
  display: block;
  margin: 0 0 7px;
  font-weight: 700;
}
input {
  width: 100%;
  min-height: 48px;
  padding: 11px 13px;
  margin-bottom: 8px;
  border: 1px solid var(--tg-theme-section-separator-color, #dfe3e8);
  border-radius: 12px;
  background: var(--tg-theme-bg-color, #ffffff);
  color: var(--tg-theme-text-color, #17212b);
  font: inherit;
  text-align: right;
}
.safety {
  margin: 14px 8px 0;
  color: var(--tg-theme-hint-color, #708499);
  font-size: 12px;
  line-height: 1.65;
  text-align: center;
}
[hidden] { display: none !important; }