.auth-popup {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);

  background: var(--surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  box-shadow: var(--shadow-glass);
  padding: 1.25rem;
  z-index: 2600;
  max-width: 400px;
  width: 100%;
}

.auth-popup.active {
  display: block;
}

.auth-popup label {
  display: block;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 8px;
}

.auth-popup input[type="email"],
.auth-popup input[type="text"] {
  width: 100%;
  padding: 0.6rem;
  border: 1px solid var(--field-border);
  background: var(--field-bg);
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--field-text);
}

.auth-popup input[type="submit"] {
  padding: 0.5rem 1rem;
  background: var(--btn-bg);
  border-radius: 0.4rem;
  width: auto;
  color: var(--btn-text);
  cursor: pointer;
}

.auth-popup input[type="submit"]:hover {
  background: var(--btn-bg-hover);
  color: var(--btn-text-hover);
}

.auth-close-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}