/* Dedicated login split layout — Twitter/X-style black brand left + white auth right */

.login-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--white);
}

.login-split {
  flex: 1;
  display: grid;
  min-height: 0;
}

.login-brand {
  position: relative;
  display: none;
  background: var(--black);
  color: var(--white);
  overflow: hidden;
  padding: clamp(32px, 6vw, 64px);
}

.login-brand-mark {
  position: absolute;
  right: -12%;
  bottom: -18%;
  width: min(92%, 560px);
  height: auto;
  opacity: 0.12;
  pointer-events: none;
  user-select: none;
  filter: brightness(0) invert(1);
}

.login-brand-inner {
  position: relative;
  z-index: 1;
  max-width: 28rem;
  margin: auto 0;
  display: grid;
  gap: 28px;
}

.login-feature {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity var(--t-enter) var(--ease),
    transform var(--t-enter) var(--ease);
}

.login-feature.is-in {
  opacity: 1;
  transform: none;
}

.login-feature-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  margin-top: 2px;
  color: var(--white);
}

.login-feature p {
  margin: 0;
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.login-auth {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(28px, 6vw, 56px) clamp(20px, 5vw, 48px) 24px;
  background: var(--white);
}

.login-auth-inner {
  width: min(100%, 360px);
  margin: 0 auto;
}

.login-logo {
  display: inline-flex;
  line-height: 0;
  border-radius: var(--radius-sm);
  transition: transform var(--t-hover) var(--ease), opacity var(--t-hover) var(--ease);
}

.login-logo:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.login-logo:active {
  transform: scale(0.98);
}

.login-logo img {
  height: 36px;
  width: auto;
}

.login-auth h1 {
  margin-top: 28px;
  font-size: clamp(28px, 5vw, 36px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  max-width: 10em;
}

.login-auth-lead {
  margin-top: 10px;
  font-size: 15px;
  color: var(--mute);
  max-width: 28ch;
}

.login-auth-actions {
  margin-top: 28px;
  display: grid;
  gap: 12px;
}

.login-auth-actions .btn {
  width: 100%;
  padding: 14px 22px;
  border-radius: var(--radius-pill);
  font-size: 15px;
}

.login-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 4px 0;
  color: var(--mute);
  font-size: 12px;
}

.login-divider::before,
.login-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.login-note {
  margin-top: 18px;
  font-size: 12px;
  color: var(--mute);
  line-height: 1.6;
}

.login-note a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.login-status {
  margin-top: 16px;
  border-radius: var(--radius-card);
  padding: 12px 14px;
  font-size: 13px;
  background: var(--soft);
  color: var(--mute);
  display: none;
}

.login-status.is-visible {
  display: block;
}

.login-status.is-err {
  border: 1px solid var(--line);
  color: var(--black);
}

.login-foot {
  border-top: 1px solid var(--line);
  padding: 14px var(--pad) 18px;
  background: var(--white);
}

.login-foot-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  justify-content: center;
  max-width: 920px;
  margin: 0 auto;
}

.login-foot-nav a,
.login-foot-nav span {
  font-size: 12px;
  color: var(--mute);
  padding: 4px 0;
  border-radius: 4px;
  transition: color var(--t-hover) var(--ease);
}

.login-foot-nav a:hover {
  color: var(--black);
}

/* Mobile brand strip — black + one feature line (no lifestyle photo) */
.login-brand-mobile {
  background: var(--black);
  color: var(--white);
  padding: 20px var(--pad) 22px;
}

.login-brand-mobile .login-feature {
  gap: 12px;
}

.login-brand-mobile .login-feature p {
  font-size: 15px;
  font-weight: 500;
}

.login-brand-mobile .login-feature-icon {
  width: 20px;
  height: 20px;
}

@media (min-width: 880px) {
  .login-brand-mobile {
    display: none;
  }

  .login-split {
    grid-template-columns: 1fr 1fr;
    min-height: calc(100vh - 52px);
  }

  .login-brand {
    display: flex;
  }

  .login-auth {
    padding-top: clamp(40px, 8vh, 80px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .login-feature {
    opacity: 1;
    transform: none;
    transition: none;
  }
}