/* ============================================================
  PlayBrain — Auth Pages Styles (Login / Register)
   ============================================================ */

/* ── Layout ── */
.auth-page {
  min-height: 100vh;
  background: var(--color-gray-50);
}

body.page-login {
  --font-family: 'Nunito Sans', 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-family: var(--font-family);
}

body.page-login .auth-card__title {
  color: var(--color-primary-dark);
}

body.page-login #loginError.alert--error {
  background: #FEE2E2;
  border-color: #DC2626;
  color: #991B1B;
}

body.page-register {
  --font-family: 'Nunito Sans', 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-family: var(--font-family);
}

body.page-register .auth-card__title {
  color: var(--color-primary-dark);
}

.auth-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}

/* ── Decorative Panel ── */
.auth-panel {
  background: linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, var(--color-primary-mid) 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
  color: var(--color-white);
}

.auth-panel__content { position: relative; z-index: 1; max-width: 420px; }

.auth-panel__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-10);
  text-decoration: none;
}

.auth-panel__logo-text {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-black);
  color: var(--color-white);
}

.auth-panel__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-black);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-5);
  color: var(--color-white);
}

.auth-panel__text {
  font-size: var(--font-size-base);
  color: rgba(255,255,255,0.75);
  line-height: var(--line-height-loose);
  margin-bottom: var(--space-8);
}

.auth-panel__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.auth-panel__features li {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.85);
}

/* Plan preview */
.auth-panel__plan-preview { margin-top: var(--space-4); }
.auth-panel__plan {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  backdrop-filter: blur(8px);
}

.auth-panel__plan strong {
  display: block;
  font-size: var(--font-size-base);
  color: var(--color-accent-light);
  margin-bottom: var(--space-3);
}

.auth-panel__plan ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.auth-panel__plan li {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.8);
}

/* Shapes */
.auth-panel__shapes { position: absolute; inset: 0; pointer-events: none; }

.auth-panel__shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.07;
}

.auth-panel__shape--1 {
  width: 400px; height: 400px;
  background: var(--color-accent);
  top: -150px; right: -100px;
}

.auth-panel__shape--2 {
  width: 300px; height: 300px;
  background: var(--color-white);
  bottom: -100px; left: -80px;
}

/* ── Main Form Area ── */
.auth-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  overflow-y: auto;
}

.auth-form-wrapper {
  width: 100%;
  max-width: 440px;
}

.auth-form-header {
  margin-bottom: var(--space-6);
}

.auth-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-primary-dark);
  font-weight: var(--font-weight-semi);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.auth-back:hover { color: var(--color-primary-mid); }

/* ── Auth Card ── */
.auth-card {
  /* Force readable colors inside white auth card, even if OS is in dark mode */
  --text-primary: #111827;
  --text-secondary: #374151;
  --text-muted: #4B5563;
  --color-gray-200: #D1D5DB;
  --color-gray-300: #CBD5E1;

  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-gray-100);
}

.auth-card__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.auth-card__subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-6);
}

/* ── Social Buttons ── */
.btn-social {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: 0.75rem var(--space-5);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
  border: 1.5px solid var(--color-gray-200);
  background: var(--color-white);
  color: var(--text-primary);
  cursor: pointer;
  margin-bottom: var(--space-4);
}

.btn-social:hover {
  background: var(--color-gray-50);
  border-color: var(--color-gray-300);
  box-shadow: var(--shadow-sm);
}

.btn-social--google {
  color: var(--color-gray-800);
  font-weight: var(--font-weight-semi);
}

.btn-social--google:hover {
  color: var(--color-gray-900);
}

/* ── Form Helpers ── */
.form-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2);
}

.form-label-row .form-label { margin-bottom: 0; }

.form-forgot {
  font-size: var(--font-size-xs);
  color: var(--color-primary);
  text-decoration: none;
}

.form-forgot:hover { text-decoration: underline; }

.form-password-wrapper {
  position: relative;
}

.form-password-wrapper .form-control {
  padding-right: 2.8rem;
}

.form-password-toggle {
  position: absolute;
  right: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.form-password-toggle:hover { color: var(--color-primary); }

/* Hide browser-native password reveal/clear controls to avoid duplicate eye icon. */
.form-password-wrapper .form-control[type="password"]::-ms-reveal,
.form-password-wrapper .form-control[type="password"]::-ms-clear {
  display: none;
}

.form-password-wrapper .form-control[type="password"]::-webkit-credentials-auto-fill-button,
.form-password-wrapper .form-control[type="password"]::-webkit-textfield-decoration-container {
  visibility: hidden;
  pointer-events: none;
}

/* ── Password Strength ── */
.password-strength {
  margin-top: var(--space-3);
}

.password-strength__bar {
  height: 4px;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-3);
}

.password-strength__fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  width: 0%;
  background: var(--color-error);
}

.password-strength__fill.weak   { width: 33%; background: var(--color-error); }
.password-strength__fill.medium { width: 66%; background: var(--color-warning); }
.password-strength__fill.strong { width: 100%; background: var(--color-success); }

.password-strength__rules {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.strength-rule {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  transition: color var(--transition-fast);
}

.strength-rule.valid {
  color: var(--color-success);
}

.strength-rule__icon {
  font-size: 0.65rem;
}

/* ── Auth Footer ── */
.auth-card__footer-text {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-top: var(--space-4);
}

.auth-link {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
}
  color: var(--color-gray-600);
.auth-link:hover { text-decoration: underline; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .auth-layout { grid-template-columns: 1fr; }
  .auth-panel  { display: none; }
  .auth-main   { padding: var(--space-4); align-items: flex-start; padding-top: var(--space-8); }
  .auth-card   { padding: var(--space-6); }
}