* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

button, input {
  border: none;
  outline: none;
  font-family: inherit;
}

html, body {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: #16181c;
  color: #ffffff;
}

#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.view {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.hidden {
  display: none !important;
}

.label {
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
}

.hint {
  font-size: 16px;
  color: #a4a9b3;
  text-align: center;
}

.error {
  font-size: 15px;
  color: #ff6b6b;
  text-align: center;
}

.actions,
.group {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
}

.btn {
  width: 100%;
  padding: 20px;
  font-size: 18px;
  font-weight: 700;
  border-radius: 18px;
  color: #fff;
  background: #2f6fed;
  cursor: pointer;
}

.btn-primary {
  background: #2f6fed;
}

.btn-accent {
  background: #d68f1f;
}

.btn-secondary {
  background: #7a4fd6;
}

.btn-muted {
  background: #3a3d44;
  padding: 12px;
  font-size: 15px;
  font-weight: 600;
}

.back {
  align-self: flex-start;
}

.amount-input {
  width: 100%;
  padding: 18px;
  font-size: 24px;
  text-align: center;
  border-radius: 18px;
  background: #24272e;
  color: #ffffff;
}

video {
  width: 100%;
  max-width: 320px;
  border-radius: 18px;
  background: #000;
}