/* ============================================================
   OPUS MENU — Auth Pages CSS (login + register)
   ============================================================ */

.auth-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1C1C1E 0%, #2C2C2E 50%, #1C1C1E 100%);
  padding: var(--space-6);
  position: relative;
  overflow-y: auto;
  overflow-x: hidden;
}

@media (max-height: 700px), (max-width: 480px) {
  .auth-body {
    align-items: flex-start;
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
  }
}

/* Pattern decorativo di sfondo */
.auth-body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle at 25% 25%, rgba(200,67,42,0.12) 0%, transparent 50%),
                    radial-gradient(circle at 75% 75%, rgba(212,168,67,0.08) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.auth-container {
  width: 100%;
  max-width: 440px;
  position: relative;
  z-index: 1;
}

/* Logo */
.auth-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  justify-content: center;
  margin-bottom: var(--space-8);
  text-decoration: none;
}

.auth-logo-icon {
  color: var(--color-accent);
  font-size: 1.75rem;
  line-height: 1;
}

.auth-logo-text {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
}

/* Card */
.auth-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-10) var(--space-8);
  box-shadow: 0 24px 64px rgba(0,0,0,0.4);
}

.auth-title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-1);
}

.auth-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

/* Input password con toggle */
.input-password-wrap {
  position: relative;
}

.input-password-wrap .form-input {
  padding-right: 2.8rem;
}

.toggle-pw-btn {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  transition: color var(--transition);
}
.toggle-pw-btn:hover { color: var(--color-text); }

/* Forgot password */
.auth-forgot {
  text-align: right;
  margin-top: calc(-1 * var(--space-2));
  margin-bottom: var(--space-4);
}

.btn-link {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  background: none;
  border: none;
  cursor: pointer;
  font-weight: 500;
  padding: 0;
}
.btn-link:hover { text-decoration: underline; }

/* Google button */
.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  width: 100%;
  padding: 0.75rem var(--space-5);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font);
}
.btn-google:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}

/* Link sotto card */
.auth-link-text {
  text-align: center;
  margin-top: var(--space-6);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.auth-link {
  color: var(--color-accent);
  font-weight: 600;
  margin-left: var(--space-1);
}
.auth-link:hover { text-decoration: underline; }

/* Step indicator (registrazione multi-step) */
.auth-steps {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}

.auth-step {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex: 1;
}

.auth-step-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-surface-2);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: 700;
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: all var(--transition);
}

.auth-step.active .auth-step-dot {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.auth-step.done .auth-step-dot {
  background: var(--color-success);
  border-color: var(--color-success);
  color: #fff;
}

.auth-step-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}

.auth-step.active .auth-step-label { color: var(--color-text); font-weight: 600; }

.auth-step-line {
  height: 2px;
  flex: 1;
  background: var(--color-border);
  margin: 0 var(--space-1);
}

.auth-step.done ~ .auth-step-line { background: var(--color-success); }

/* Responsive */
@media (max-width: 480px) {
  .auth-card { padding: var(--space-6) var(--space-4); border-radius: var(--radius-xl); }
  .auth-body { padding: var(--space-4); }
  .auth-title { font-size: var(--font-size-xl); }
  .social-btn, .btn { min-height: 48px; }
  .form-input { min-height: 48px; font-size: 16px; } /* 16px evita zoom auto su iOS */
}

@media (max-width: 360px) {
  .auth-card { padding: var(--space-5) var(--space-3); }
}