/* Auth modal: polished, responsive, accessible */
.auth-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  background: linear-gradient(rgba(3, 7, 18, 0.6), rgba(3, 7, 18, 0.45));
  backdrop-filter: blur(6px) saturate(120%);
}
.auth-modal {
  width: 480px;
  max-width: 94%;
  background: linear-gradient(180deg, #ffffff 0%, #fbfbff 100%);
  border-radius: 14px;
  box-shadow: 0 20px 60px rgba(3, 7, 18, 0.6);
  overflow: hidden;
  font-family: Inter, system-ui, Arial;
  transform: translateY(6px);
  animation: pop 0.18s ease;
}
.auth-header {
  padding: 20px 22px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.04);
  display: flex;
  gap: 12px;
  align-items: center;
}
.auth-brand {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, #6366f1, #ec4899);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  box-shadow: 0 6px 18px rgba(99, 102, 241, 0.18);
}
.auth-header h2 {
  margin: 0;
  font-size: 16px;
  color: #071032;
}
.auth-sub {
  font-size: 13px;
  color: #475569;
  margin-top: 4px;
}
.auth-body {
  padding: 18px;
}
.auth-body p {
  color: #071032;
  opacity: 0.95;
  line-height: 1.5;
  margin-bottom: 12px;
}
.auth-body strong {
  font-weight: 700;
  color: #071032;
}
.auth-field {
  display: block;
  margin-bottom: 12px;
}
.auth-field label {
  display: block;
  font-size: 13px;
  color: #334155;
  margin-bottom: 8px;
}
.auth-field input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #e6e9ef;
  border-radius: 10px;
  font-size: 15px;
  background: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}
.auth-field input:focus {
  outline: none;
  border-color: #7c5cff;
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.12);
}
.auth-note {
  font-size: 13px;
  color: #64748b;
  margin-bottom: 8px;
}
.auth-error {
  color: #b91c1c;
  background: #fff5f5;
  padding: 8px 10px;
  border-radius: 8px;
  margin-bottom: 10px;
  border: 1px solid rgba(185, 28, 28, 0.08);
  display: none;
}
.auth-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: flex-end;
  margin-top: 6px;
}
.auth-btn {
  background: #7c5cff;
  color: #fff;
  border: none;
  padding: 10px 16px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  box-shadow: 0 8px 30px rgba(124, 92, 255, 0.16);
  transition: transform 0.12s ease;
}
.auth-btn:active {
  transform: translateY(1px);
}
.auth-cancel {
  color: #475569;
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 8px;
}
.otp-input {
  font-family:
    ui-monospace, SFMono-Regular, Menlo, Monaco, "Roboto Mono", monospace;
  font-size: 18px;
  letter-spacing: 6px;
  padding: 12px 14px;
  text-align: center;
}
.auth-footer {
  padding: 14px 18px;
  border-top: 1px solid rgba(15, 23, 42, 0.04);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.auth-small {
  font-size: 13px;
  color: #94a3b8;
}

@keyframes pop {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.995);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Mobile adjustments */
@media (max-width: 520px) {
  .auth-modal {
    width: 96%;
    border-radius: 12px;
  }
  .auth-header {
    padding: 16px;
  }
  .auth-body {
    padding: 14px;
  }
  .auth-header h2 {
    font-size: 15px;
  }
  .auth-sub {
    display: none;
  }
}

/* Utility */
.hidden {
  display: none;
}