.auth-wrapper {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: radial-gradient(circle at top right, #0b1c3d, #050811);
}
.auth-wrapper.active {
  display: flex;
}
.auth-card {
  width: 100%;
  max-width: 440px;
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
  position: relative;
  z-index: 10;
}
.auth-brand {
  text-align: center;
  margin-bottom: 24px;
}
.brand-title {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #fff, var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.brand-subtitle {
  font-size: 0.88rem;
  color: var(--text-muted);
}
.auth-tabs {
  display: flex;
  background: var(--bg-surface);
  padding: 4px;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
  border: 1px solid var(--border-glass);
}
.auth-tab-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 9px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: var(--transition);
}
.auth-tab-btn.active {
  background: linear-gradient(135deg, var(--accent-blue), #1e50ff);
  color: #fff;
  box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}
.auth-form {
  display: none;
  flex-direction: column;
  gap: 16px;
}
.auth-form.active {
  display: flex;
}
.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.input-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}
.input-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.forgot-link {
  font-size: 0.75rem;
  color: var(--accent-cyan);
  text-decoration: none;
}
.input-field {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  display: flex;
  align-items: center;
}
.input-field.prefix {
  padding-left: 12px;
}
.field-prefix {
  color: var(--accent-cyan);
  font-weight: 700;
  margin-right: 6px;
}
.input-field input, .input-group textarea, .input-group input {
  background: transparent;
  border: none;
  color: #fff;
  width: 100%;
  outline: none;
  font-size: 0.92rem;
  font-family: inherit;
}
.input-group textarea {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  resize: vertical;
}
.input-field:focus-within {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}
.auth-submit-btn {
  margin-top: 8px;
  width: 100%;
  padding: 13px;
  font-size: 0.95rem;
}
.auth-close-x {
  position: absolute;
  top: 16px;
  right: 18px;
}
.forgot-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-bottom: 8px;
}
.back-to-login {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
  margin-top: 8px;
  text-align: center;
}