.pin-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  padding: 24px;
}

.floaties {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.floaty {
  position: absolute;
  font-size: 40px;
  opacity: 0.35;
  animation: float 8s ease-in-out infinite;
}

.f1 { top: 10%; left: 8%; animation-delay: 0s; }
.f2 { top: 20%; right: 12%; animation-delay: 1.5s; font-size: 28px; }
.f3 { bottom: 15%; left: 15%; animation-delay: 3s; font-size: 32px; }
.f4 { bottom: 25%; right: 10%; animation-delay: 4.5s; }

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-24px) rotate(8deg); }
}

.pin-card {
  position: relative;
  z-index: 1;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lift);
  padding: 48px 40px;
  max-width: 420px;
  width: 100%;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.6);
}

.pin-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 8px;
}

.pin-brand-icon {
  font-size: 34px;
}

.pin-brand h1 {
  font-size: 32px;
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.pin-tagline {
  margin: 8px 0 28px;
  font-size: 14px;
  color: var(--color-ink-soft);
}

.pin-tagline .lang-th {
  font-size: 13px;
}

.pin-input-wrap {
  margin-bottom: 18px;
}

#pin-input {
  width: 100%;
  text-align: center;
  font-family: var(--font-display);
  font-size: 26px;
  letter-spacing: 6px;
  padding: 16px 12px;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-amber-100);
  background: var(--color-amber-50);
  color: var(--color-ink);
  text-transform: uppercase;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#pin-input:focus {
  outline: none;
  border-color: var(--color-amber-500);
  box-shadow: 0 0 0 4px rgba(247, 155, 45, 0.15);
}

.pin-submit {
  width: 100%;
  padding: 15px;
  font-size: 16px;
  position: relative;
}

.pin-submit .btn-label {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.pin-submit .lang-th {
  font-size: 12px;
  font-weight: 500;
  opacity: 0.9;
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-left: 8px;
}

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

.pin-error {
  min-height: 20px;
  color: var(--color-coral-dark);
  font-size: 13px;
  font-weight: 600;
  margin-top: 10px;
}

.pin-notice {
  margin-top: 28px;
  padding: 14px 16px;
  background: var(--color-amber-50);
  border-radius: var(--radius-md);
  font-size: 12.5px;
  line-height: 1.6;
}

.pin-notice p {
  color: var(--color-ink-soft);
}

@media (max-width: 480px) {
  .pin-card {
    padding: 36px 24px;
  }
  #pin-input {
    font-size: 22px;
    letter-spacing: 4px;
  }
}