@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap");

*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --shell-width: 360px;
  --shell-height: 640px;

  --card-radius: 28px;
  /* полупрозрачная карточка */
  --card-bg: rgba(7, 10, 29, 0.17);
  --card-bg-strong: rgba(7, 10, 29, 0.66);

  --overlay-bg: radial-gradient(
      circle at 20% 0%,
      rgba(255, 75, 139, 0.16),
      transparent 55%
    ),
    radial-gradient(
      circle at 80% 100%,
      rgba(62, 125, 222, 0.18),
      transparent 55%
    ),
    rgba(0, 0, 0, 0.65);

  --btn-primary-from: #3e7dde;
  --btn-primary-to: #7a5cff;
  --btn-primary-hover-from: #4b8cff;
  --btn-primary-hover-to: #9a62ff;

  --text-main: #ffffff;
  --text-muted: #d4d2e6;

  --ring-soft: rgba(255, 255, 255, 0.28);
  --ring-strong: rgba(101, 178, 255, 0.95);

  --shadow-shell: 0 22px 60px rgba(0, 0, 0, 0.85);
  --shadow-card: 0 18px 45px rgba(0, 0, 0, 0.8);
  --shadow-btn: 0 14px 32px rgba(26, 105, 212, 0.65);

  --transition-fast: 150ms ease-out;
  --transition-medium: 220ms ease-out;
}

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

body {
  font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont,
    "SF Pro Text", "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #090915 0%, #03030a 55%, #010109 100%);
  color: var(--text-main);
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.app-viewport {
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow: hidden;
  padding: 8px 0;
}

.app-shell {
  position: relative;
  width: var(--shell-width);
  height: var(--shell-height);
  margin-top: 8px;
  overflow: hidden;
  border-radius: 20px;
  background: #000;
  box-shadow: var(--shadow-shell);
  border: 1px solid rgba(255, 255, 255, 0.04);
  transform-origin: top center;
}

/* Background video */

.bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(6px) brightness(0.4) saturate(1.2);
  z-index: 0;
}

.background-layer {
  position: absolute;
  inset: 0;
  background: var(--overlay-bg);
  z-index: 1;
}

/* Screens */

.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-medium);
  z-index: 2;
}

.screen.active {
  opacity: 1;
  pointer-events: auto;
}

.overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(
      circle at center,
      rgba(0, 0, 0, 0.01),
      rgba(0, 0, 0, 0.6)
    );
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  z-index: -1;
}

/* CARD — общие стили */

.card {
  position: relative;
  max-width: 320px;
  width: 100%;
  border-radius: var(--card-radius);
  padding: 22px 22px 24px;
  background: linear-gradient(
      145deg,
      rgba(255, 255, 255, 0.02),
      rgba(255, 255, 255, 0.01)
    ),
    var(--card-bg);
  box-shadow: var(--shadow-card);
  text-align: center;
  z-index: 1;
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

/* Screen 1 — робот-чек */

.robot-card .card-emoji {
  font-size: 68px;
  margin-bottom: 10px;
  text-shadow: 0 8px 24px rgba(0, 0, 0, 0.75);
}

.card-text {
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* Buttons */

.primary-btn,
.secondary-btn {
  border: none;
  outline: none;
  cursor: pointer;
  border-radius: 999px;
  padding: 11px 24px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.01em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition:
    background var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    filter var(--transition-fast);
}

/* основная кнопка */

.primary-btn {
  width: 100%;
  background: linear-gradient(
    135deg,
    var(--btn-primary-from),
    var(--btn-primary-to)
  );
  color: #ffffff;
  box-shadow: var(--shadow-btn);
}

.primary-btn:hover {
  background: linear-gradient(
    135deg,
    var(--btn-primary-hover-from),
    var(--btn-primary-hover-to)
  );
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.primary-btn:active {
  transform: translateY(0);
  box-shadow: 0 8px 22px rgba(26, 105, 212, 0.6);
}

.secondary-btn {
  margin-top: 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--text-main);
}

.secondary-btn:hover {
  background: rgba(255, 255, 255, 0.06);
}

.check-icon {
  font-size: 18px;
}

/* Screen 2: loading — такая же прозрачная карта, как на первом экране */

.loading-card {
  padding-top: 26px;
  padding-bottom: 26px;
  /* фон берётся из .card, тут ничего не переопределяем */
}

.loading-text {
  font-size: 15px;
  line-height: 1.5;
  margin-bottom: 18px;
  color: var(--text-main);
}

.loading-emoji {
  font-size: 60px;
  margin-bottom: 16px;
}

.spinner {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.18);
  border-top-color: rgba(255, 255, 255, 0.9);
  margin: 0 auto;
  animation: spin 0.85s linear infinite;
}

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

/* Screen 3: code input */

.screen-3 {
  justify-content: center;
  padding-top: 24px;
}

.code-card {
  margin-bottom: 0;
}

/* телефон сверху */

.icon-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  margin-bottom: 18px;
  padding-bottom: 4px;
}

.phone-emoji {
  font-size: 56px;
  filter: drop-shadow(0 0 12px rgba(255, 51, 102, 0.8))
    drop-shadow(0 0 18px rgba(74, 168, 255, 0.9));
}

/* если стрелку не используешь — стиль можно удалить, но не мешает */
.arrow-emoji {
  font-size: 30px;
  filter: drop-shadow(0 0 10px rgba(255, 70, 120, 0.85));
}

.card-title {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--text-main);
  margin-bottom: 18px;
}

/* поля ввода кода */

.code-boxes {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 2px;
}

.code-input {
  width: 42px;
  height: 48px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  background: rgba(5, 7, 18, 0.84);
  text-align: center;
  font-size: 24px;
  font-weight: 600;
  color: var(--text-main);
  outline: none;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast),
    background var(--transition-fast);
}

/* активный слот (по js) */

.code-input.active {
  border-color: var(--ring-strong);
  box-shadow: 0 0 0 1px var(--ring-strong), 0 0 18px rgba(74, 168, 255, 0.75);
  background: rgba(7, 10, 29, 0.98);
  transform: translateY(-1px);
}

/* расстояние между "Find out the code" и клавой */

.code-card .secondary-btn {
  margin-top: 18px;
  margin-bottom: 2px;
}

/* Keypad — сетка + 0 по центру */

.keypad {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  justify-items: center;
  column-gap: 18px;
  row-gap: 18px;
  padding: 8px 40px 10px;
  margin-top: 8px;
}

.key {
  width: 60px;
  height: 44px;
  border-radius: 999px;
  border: none;
  outline: none;
  background: radial-gradient(
      circle at 30% 0%,
      rgba(255, 255, 255, 0.16),
      transparent 55%
    ),
    rgba(255, 255, 255, 0.09);
  color: #ffffff;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  transition:
    transform var(--transition-fast),
    background var(--transition-fast),
    box-shadow var(--transition-fast),
    filter var(--transition-fast);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.65);
}

.key:hover {
  transform: translateY(-1px);
  background: radial-gradient(
      circle at 30% 0%,
      rgba(255, 255, 255, 0.22),
      transparent 55%
    ),
    rgba(255, 255, 255, 0.14);
  box-shadow: 0 9px 20px rgba(0, 0, 0, 0.75);
  filter: brightness(1.05);
}

.key:active {
  transform: translateY(0);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.7);
}

.key-back {
  font-size: 20px;
}

/* 0 по центру, backspace справа */

.keypad .key:nth-child(10) {
  grid-column: 2;
  grid-row: 4;
}

.keypad .key:nth-child(11) {
  grid-column: 3;
  grid-row: 4;
}

/* Screen 4 */

.final-card .card-emoji {
  font-size: 72px;
  margin-bottom: 12px;
}

.final-card .card-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.final-card .card-text {
  margin-bottom: 20px;
  font-size: 14px;
  color: var(--text-muted);
}

/* Responsive */

@media (min-width: 400px) {
  body {
    align-items: flex-start;
  }
}


/* Screen 4: 2FA password input */
.password-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  background: rgba(5, 7, 18, 0.84);
  font-size: 14px;
  color: var(--text-main);
  outline: none;
  margin-bottom: 16px;
}

.password-input::placeholder {
  color: var(--text-muted);
}

#btn-find-code.hint-pulse {
  animation: hintPulse 1.6s ease-in-out infinite;
}

/* Базовый стиль твоей Find out the code (можешь оставить как есть) */
/* .secondary-btn { ... } */

/* Очень мягкая подсветка для Find out the code */
.hint-pulse {
  position: relative;
  border-width: 1px; /* фиксируем, чтобы не прыгало */
  border-style: solid;
  border-color: rgba(255, 255, 255, 0.14);

  box-shadow:
    0 0 0 0 rgba(255, 255, 255, 0.02),
    0 0 18px rgba(255, 255, 255, 0.14);

  /* плавный, медленный перелив */
  animation: hintGlow 3.5s ease-in-out infinite;
}

/* Только цвет/интенсивность свечения. Без scale, без движения, без мерцания текста */
@keyframes hintGlow {
  0%,
  100% {
    border-color: rgba(255, 255, 255, 0.16);
    box-shadow:
      0 0 0 0 rgba(255, 255, 255, 0.02),
      0 0 18px rgba(255, 255, 255, 0.12);
  }

  50% {
    border-color: rgba(255, 255, 255, 0.32);
    box-shadow:
      0 0 0 0 rgba(255, 255, 255, 0.04),
      0 0 26px rgba(255, 255, 255, 0.28);
  }
}