:root {
  color-scheme: light dark;
  --bg: var(--tg-theme-secondary-bg-color, #f2f5f8);
  --card: var(--tg-theme-bg-color, #ffffff);
  --text: var(--tg-theme-text-color, #17212b);
  --muted: var(--tg-theme-hint-color, #778391);
  --accent: var(--tg-theme-button-color, #2aabee);
  --accent-text: var(--tg-theme-button-text-color, #ffffff);
  --danger: var(--tg-theme-destructive-text-color, #e65b5b);
  --line: color-mix(in srgb, var(--muted) 22%, transparent);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body { min-height: 100%; margin: 0; }

body {
  background:
    radial-gradient(circle at 50% -20%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 45%),
    var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

.shell {
  min-height: 100dvh;
  display: grid;
  place-content: center;
  padding: max(24px, env(safe-area-inset-top)) 18px max(18px, env(safe-area-inset-bottom));
}

.card {
  position: relative;
  width: min(100%, 420px);
  min-width: min(360px, calc(100vw - 36px));
  min-height: 390px;
  padding: 42px 28px 32px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: color-mix(in srgb, var(--card) 96%, transparent);
  box-shadow: 0 18px 60px rgba(20, 42, 65, .09);
}

.brand {
  width: 54px;
  height: 54px;
  margin: 0 auto 24px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  color: var(--accent-text);
  background: linear-gradient(145deg, color-mix(in srgb, var(--accent) 82%, white), var(--accent));
  box-shadow: 0 10px 30px color-mix(in srgb, var(--accent) 26%, transparent);
}

.brand svg { width: 29px; fill: currentColor; }

.view {
  display: none;
  opacity: 0;
  transform: translateY(8px);
}

.view.active {
  display: block;
  animation: appear .28s ease-out forwards;
}

@keyframes appear { to { opacity: 1; transform: translateY(0); } }

h1 {
  margin: 0;
  text-align: center;
  font-size: 25px;
  line-height: 1.18;
  letter-spacing: -.025em;
}

p {
  margin: 12px auto 0;
  max-width: 310px;
  color: var(--muted);
  text-align: center;
  font-size: 15px;
  line-height: 1.48;
}

form { margin-top: 30px; }

label {
  display: block;
  margin: 0 0 8px 3px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

input {
  width: 100%;
  height: 54px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 15px;
  outline: none;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: 18px;
  letter-spacing: .025em;
  transition: border-color .18s, box-shadow .18s;
}

input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent);
}

input.invalid { border-color: var(--danger); }

.field-error {
  min-height: 23px;
  padding: 6px 3px 0;
  color: var(--danger);
  font-size: 12px;
}

button {
  width: 100%;
  height: 52px;
  border: 0;
  border-radius: 15px;
  background: var(--accent);
  color: var(--accent-text);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: opacity .18s, transform .12s;
}

button:active { transform: scale(.985); }
button:disabled { cursor: default; opacity: .55; }
button.secondary { width: auto; min-width: 160px; margin: 26px auto 0; display: block; }
button.text-button {
  width: auto;
  height: auto;
  margin: 18px auto 0;
  display: block;
  padding: 6px 10px;
  background: transparent;
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
}

.code-input {
  text-align: center;
  font-size: 25px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .3em;
}

.code-notice {
  min-height: 20px;
  margin-top: 16px;
  color: var(--danger);
  text-align: center;
  font-size: 13px;
}

.state-view { padding-top: 8px; }

.spinner {
  width: 35px;
  height: 35px;
  margin: 35px auto 24px;
  border: 3px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.status-icon {
  width: 66px;
  height: 66px;
  margin: 14px auto 25px;
  display: grid;
  place-items: center;
  border-radius: 22px;
  background: color-mix(in srgb, var(--accent) 13%, transparent);
  color: var(--accent);
}

.clock::before {
  content: "";
  width: 25px;
  height: 25px;
  border: 3px solid currentColor;
  border-radius: 50%;
}

.clock::after {
  content: "";
  position: absolute;
  width: 2px;
  height: 9px;
  margin-top: -7px;
  background: currentColor;
  transform-origin: bottom;
  animation: tick 2s steps(12) infinite;
}

@keyframes tick { to { transform: rotate(360deg); } }

.pulse::before {
  content: "";
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 1.3s ease-out infinite;
}

@keyframes pulse { 70%, 100% { box-shadow: 0 0 0 18px transparent; opacity: .25; } }

.cross, .warning { font-size: 35px; font-weight: 400; }
.cross { color: var(--danger); background: color-mix(in srgb, var(--danger) 12%, transparent); }
.warning { font-size: 27px; }
.success { color: #29a56c; background: color-mix(in srgb, #29a56c 13%, transparent); font-size: 32px; }

.dots { display: flex; justify-content: center; gap: 7px; margin-top: 32px; }
.dots i { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); animation: dot 1.2s infinite ease-in-out; }
.dots i:nth-child(2) { animation-delay: .15s; }
.dots i:nth-child(3) { animation-delay: .3s; }
@keyframes dot { 0%, 60%, 100% { opacity: .25; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-4px); } }

.privacy { margin-top: 17px; font-size: 12px; opacity: .8; }

@media (max-width: 380px) {
  .card { min-width: calc(100vw - 24px); padding-inline: 22px; border-radius: 23px; }
  .shell { padding-inline: 12px; }
}

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