/* =============================================
   LOGIN PAGE
   ============================================= */

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

/* ---- Brand Panel ---- */
.login-brand {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  /* Twilight pool photo from the Ridgeline home hero */
  background-image: url('../images/home/webp/home-hero-d.webp');
  background-size: cover;
  background-position: center;
}

/* Dark, maroon-tinted overlay so the white text stays legible over the photo */
.login-brand::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(155deg, rgba(10,10,10,0.55) 0%, rgba(10,10,10,0.28) 45%, rgba(139,0,0,0.60) 100%);
  pointer-events: none;
}

.brand-inner {
  position: relative;
  z-index: 1;
  padding: var(--space-8);
  max-width: 360px;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-9);
}

.brand-logo__mark {
  display: block;
  width: 32px;
  height: 32px;
  background-color: #ffffff;
  border-radius: var(--radius-sm);
  transform: rotate(12deg);
  flex-shrink: 0;
}

.brand-logo__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  text-transform: uppercase;
  color: #ffffff;
  letter-spacing: 0.04em;
  text-shadow: 0 1px 12px rgba(0,0,0,0.45);
}

.brand-tagline {
  margin-bottom: var(--space-8);
}

.brand-tagline__label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 4.2vw, 3.2rem);
  line-height: 1.05;
  text-transform: uppercase;
  color: rgba(255,255,255,0.82);
  letter-spacing: 0.01em;
  text-shadow: 0 2px 18px rgba(0,0,0,0.45);
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.6s ease forwards;
}

.brand-tagline__label:nth-child(1) { animation-delay: 0.1s; }
.brand-tagline__label:nth-child(2) { animation-delay: 0.25s; }
.brand-tagline__label:nth-child(3) { animation-delay: 0.4s; }

.brand-tagline__label--accent {
  color: #ffffff;
}

/* ---- Login Main ---- */
.login-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  background-color: var(--color-bg);
}

.login-card {
  width: 100%;
  max-width: 420px;
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp 0.5s ease 0.2s forwards;
}

.login-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  transition: color var(--transition-fast);
}
.login-back svg { width: 16px; height: 16px; }
.login-back:hover { color: var(--color-accent); opacity: 1; }

.login-card__header {
  margin-bottom: var(--space-6);
}

.login-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.75rem;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.login-card__subtitle {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  font-weight: 300;
}

/* ---- Alert ---- */
.login-alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
  font-size: 0.875rem;
}

.login-alert--error {
  background-color: var(--color-error-bg);
  border: 1px solid rgba(232, 92, 64, 0.25);
  color: var(--color-error);
}

.login-alert__icon {
  font-weight: 700;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1.5px solid currentColor;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  margin-top: 1px;
}

/* ---- Form ---- */
.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.form-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.form-label__link {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  transition: color var(--transition-fast);
}

.form-label__link:hover {
  color: var(--color-accent);
  opacity: 1;
}

.form-input-wrap {
  position: relative;
}

.form-input {
  width: 100%;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: 0.9375rem;
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input-wrap .form-input {
  padding-right: 48px;
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

.form-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-input.is-error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(232, 92, 64, 0.1);
}

.form-input__toggle {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  color: var(--color-text-muted);
  padding: var(--space-1);
  display: flex;
  align-items: center;
  transition: color var(--transition-fast);
}

.form-input__toggle:hover {
  color: var(--color-text-secondary);
}

.icon {
  width: 18px;
  height: 18px;
}

/* ---- Submit Button ---- */
.btn-primary {
  width: 100%;
  background-color: var(--color-accent);
  color: #ffffff;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  margin-top: var(--space-2);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.btn-primary:hover {
  background-color: var(--color-accent-dim);
  box-shadow: var(--shadow-accent);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-primary__spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ---- Footer ---- */
.login-card__footer {
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}

.login-card__footer-text {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  text-align: center;
}

/* ---- Animations ---- */
@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .login-layout {
    grid-template-columns: 1fr;
  }

  .login-brand {
    display: none;
  }

  .login-main {
    padding: var(--space-5);
    align-items: flex-start;
    padding-top: var(--space-8);
  }
}

/* ---- Auth Divider ---- */
.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-5) 0 var(--space-4);
}

.auth-divider__line {
  flex: 1;
  height: 1px;
  background-color: var(--color-border);
}

.auth-divider__text {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

/* ---- OAuth Buttons ---- */
.oauth-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.btn-oauth {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  background-color: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.btn-oauth:hover {
  border-color: var(--color-border-light);
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.oauth-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ---- Footer signup link ---- */
.login-card__footer-link {
  color: var(--color-accent);
  font-weight: 500;
}

.login-card__footer-text--sub {
  margin-top: var(--space-2);
}