/* ChitChat — marketing & auth shell */

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.site-logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  flex-shrink: 0;
  display: block;
  overflow: hidden;
  line-height: 0;
}

.site-logo-mark img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.site-logo-text {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
}

.site-logo-text span {
  color: var(--fg-muted);
  font-weight: 500;
}

/* ── Home ── */

#home-screen {
  min-height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  align-items: stretch;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(91, 141, 239, 0.14), transparent 60%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(46, 171, 110, 0.1), transparent 55%),
    var(--canvas-default);
}

#home-screen > section,
#home-screen > footer {
  width: 100%;
  box-sizing: border-box;
  flex-shrink: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: max(14px, env(safe-area-inset-top)) 24px 14px;
  border-bottom: 1px solid var(--border-muted);
  background: color-mix(in srgb, var(--canvas-default) 88%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.site-header-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--fg-default);
  text-decoration: none;
  border-radius: var(--radius);
}

.site-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 18px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-sans);
  text-decoration: none;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
}

.site-btn-primary {
  color: #fff;
  background: var(--success-emphasis);
  border-color: rgba(255, 255, 255, 0.08);
}

.site-btn-secondary {
  color: var(--fg-default);
  background: var(--canvas-elevated);
  border-color: var(--border-default);
}

.site-btn-ghost {
  color: var(--fg-muted);
  background: transparent;
  border-color: transparent;
}

.site-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 48px 24px 32px;
  align-items: center;
}

.site-hero-copy {
  max-width: 560px;
}

.site-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-default);
  background: color-mix(in srgb, var(--canvas-elevated) 70%, transparent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-fg);
}

.site-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.045em;
  color: var(--fg-default);
}

.site-hero-lead {
  margin: 0 0 28px;
  font-size: clamp(1rem, 2.2vw, 1.125rem);
  line-height: 1.65;
  color: var(--fg-muted);
  max-width: 46ch;
}

.site-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.site-hero-actions .site-btn {
  min-height: 46px;
  padding: 0 22px;
  font-size: 15px;
}

.site-trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  padding-top: 8px;
}

.site-link-muted {
  color: var(--fg-muted);
}

.site-icon {
  width: 22px;
  height: 22px;
  display: block;
  flex-shrink: 0;
}

.site-icon-sm {
  width: 18px;
  height: 18px;
}

.site-trust-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.site-trust-icon {
  width: 36px;
  height: 36px;
  padding: 8px;
  box-sizing: border-box;
  border-radius: 10px;
  flex-shrink: 0;
  line-height: 0;
  background: color-mix(in srgb, var(--success-emphasis) 14%, transparent);
  color: var(--success-fg);
}

.site-trust-icon .site-icon {
  width: 100%;
  height: 100%;
  display: block;
}

.site-trust-item strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--fg-default);
}

.site-trust-item span {
  font-size: 12px;
  color: var(--fg-subtle);
}

.site-bubble-media-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.site-bubble-media {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.site-highlights {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 24px 8px;
}

.site-highlights-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.site-highlight-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-default);
  background: color-mix(in srgb, var(--canvas-elevated) 45%, transparent);
  box-sizing: border-box;
}

.site-highlight-copy {
  min-width: 0;
}

.site-highlight-card strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--fg-default);
  margin-bottom: 3px;
}

.site-highlight-card span {
  display: block;
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--fg-subtle);
}

.site-highlight-icon {
  width: 44px;
  height: 44px;
  padding: 11px;
  box-sizing: border-box;
  border-radius: 12px;
  flex: none;
  background: color-mix(in srgb, var(--success-emphasis) 14%, transparent);
  color: var(--success-fg);
}

.site-highlight-icon .site-icon {
  width: 100%;
  height: 100%;
  display: block;
}

.site-section-lead {
  margin: -12px 0 28px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.65;
  color: var(--fg-muted);
}

.site-feature-icon-green {
  background: color-mix(in srgb, var(--success-emphasis) 16%, transparent);
  color: var(--success-fg);
}

.site-security {
  padding: 56px 24px;
}

.site-security-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.site-security-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.site-security-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--fg-muted);
}

.site-security-list strong {
  color: var(--fg-default);
  font-weight: 600;
}

.site-list-icon {
  width: 36px;
  height: 36px;
  padding: 9px;
  box-sizing: border-box;
  border-radius: 10px;
  flex-shrink: 0;
  line-height: 0;
}

.site-list-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.site-list-icon-green {
  background: color-mix(in srgb, var(--success-emphasis) 18%, transparent);
  color: var(--success-fg);
}

.site-list-icon-blue {
  background: color-mix(in srgb, var(--accent-emphasis) 18%, transparent);
  color: var(--accent-fg);
}

.site-security-panel {
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-default);
  background: color-mix(in srgb, var(--canvas-elevated) 60%, transparent);
}

.site-security-panel h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 600;
}

.site-security-panel p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--fg-muted);
}

.site-security-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.site-security-tags span {
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-default);
  font-size: 12px;
  font-weight: 600;
  color: var(--fg-muted);
  background: var(--canvas-default);
}

.site-steps {
  max-width: 1120px;
  margin: 0 auto;
  padding: 56px 24px 56px;
}

.site-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  align-items: stretch;
}

.site-card-grid + .site-card-grid {
  margin-top: 14px;
}

.site-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 168px;
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-default);
  background: color-mix(in srgb, var(--canvas-elevated) 50%, transparent);
  box-sizing: border-box;
}

.site-card-badge {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  margin-bottom: 14px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  line-height: 0;
  color: var(--success-fg);
  background: color-mix(in srgb, var(--success-emphasis) 16%, transparent);
  flex-shrink: 0;
}

.site-card-badge svg {
  width: 18px;
  height: 18px;
}

.site-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
  color: var(--fg-default);
}

.site-card p {
  margin: 0;
  flex: 1;
  font-size: 14px;
  line-height: 1.6;
  color: var(--fg-muted);
}

.site-faq {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px 56px;
}

.site-faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}

.site-faq-item {
  display: block;
  width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--canvas-elevated) 50%, transparent);
  overflow: hidden;
}

.site-faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  box-sizing: border-box;
  padding: 18px 22px;
  min-height: 58px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.site-faq-item summary::-webkit-details-marker {
  display: none;
}

.site-faq-q {
  flex: 1;
  min-width: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--fg-default);
  text-align: left;
  line-height: 1.45;
}

.site-faq-chevron {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  color: var(--fg-subtle);
  background: color-mix(in srgb, var(--canvas-subtle) 80%, transparent);
  transition: transform 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.site-faq-item[open] summary {
  padding-bottom: 18px;
}

.site-faq-item[open] .site-faq-chevron {
  transform: rotate(180deg);
  color: var(--accent-fg);
  background: color-mix(in srgb, var(--accent-emphasis) 12%, transparent);
}

.site-faq-a {
  padding: 0 22px 20px;
}

.site-faq-item[open] .site-faq-a {
  border-top: 1px solid var(--border-muted);
}

.site-faq-a p {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--fg-muted);
}

.site-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.site-footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  text-align: left;
}

.site-footer-brand {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.site-footer-tagline {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--fg-subtle);
  max-width: 28ch;
}

.site-footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 32px;
}

.site-footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.site-footer-col-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 2px;
}

.site-footer-col a {
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-subtle);
  text-decoration: none;
}

.site-footer-col a:hover {
  color: var(--fg-default);
}

.site-footer-aside {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.site-pwa-install {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.site-pwa-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: fit-content;
  padding: 10px 16px;
  border: 1px solid var(--border-default);
  border-radius: 12px;
  background: color-mix(in srgb, var(--canvas-elevated) 60%, transparent);
  color: var(--fg-default);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

.site-pwa-btn:hover {
  border-color: var(--accent-emphasis);
  color: var(--accent-fg);
}

.site-pwa-hint {
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--fg-subtle);
  max-width: 32ch;
}

.site-pwa-header-btn {
  border: none;
  background: none;
  padding: 0;
  font-family: inherit;
  cursor: pointer;
}

.site-footer-copy {
  margin: 0;
  font-size: 12px;
  color: var(--fg-subtle);
}

.auth-brand-point-icon svg {
  width: 16px;
  height: 16px;
}

.auth-brand-point-icon {
  font-size: 0;
}

.site-hero-visual {
  display: flex;
  justify-content: center;
}

.site-preview {
  width: min(100%, 380px);
  border-radius: 24px;
  border: 1px solid var(--border-default);
  background: var(--canvas-subtle);
  box-shadow:
    0 24px 80px rgba(0, 0, 0, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  overflow: hidden;
}

.site-preview-top {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border-muted);
  background: color-mix(in srgb, var(--canvas-elevated) 80%, transparent);
}

.site-preview-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #5b8def, #3ecf8e);
}

.site-preview-meta strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--fg-default);
}

.site-preview-meta span {
  font-size: 12px;
  color: var(--success-fg);
}

.site-preview-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  min-height: 280px;
  background:
    linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.08) 100%),
    var(--canvas-default);
}

.site-bubble {
  max-width: 78%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 13px;
  line-height: 1.45;
}

.site-bubble-in {
  align-self: flex-start;
  background: var(--canvas-elevated);
  color: var(--fg-default);
  border-bottom-left-radius: 6px;
}

.site-bubble-out {
  align-self: flex-end;
  background: var(--success-emphasis);
  color: #fff;
  border-bottom-right-radius: 6px;
}

.site-bubble-time {
  display: block;
  margin-top: 4px;
  font-size: 10px;
  opacity: 0.72;
}

.site-features {
  max-width: 1120px;
  margin: 0 auto;
  padding: 48px 24px 56px;
}

.site-section-title {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-fg);
}

.site-section-heading {
  margin: 0 0 28px;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--fg-default);
}

.site-feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.site-feature-card {
  padding: 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-default);
  background: color-mix(in srgb, var(--canvas-elevated) 55%, transparent);
}

.site-feature-icon {
  width: 44px;
  height: 44px;
  padding: 11px;
  box-sizing: border-box;
  margin-bottom: 16px;
  border-radius: 12px;
  line-height: 0;
  background: color-mix(in srgb, var(--success-emphasis) 14%, transparent);
  color: var(--success-fg);
}

.site-feature-icon .site-icon {
  width: 100%;
  height: 100%;
  display: block;
}

.site-feature-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--fg-default);
}

.site-feature-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--fg-muted);
}

.site-cta-band {
  max-width: 1120px;
  margin: 0 auto 48px;
  padding: 0 24px;
}

.site-cta-inner {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: flex-start;
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-default);
  background:
    linear-gradient(135deg, rgba(46, 171, 110, 0.12), rgba(91, 141, 239, 0.08)),
    var(--canvas-subtle);
}

.site-cta-inner h2 {
  margin: 0;
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.site-cta-inner p {
  margin: 0;
  color: var(--fg-muted);
  line-height: 1.55;
}

.site-footer {
  padding: 40px 24px 32px;
  border-top: 1px solid var(--border-muted);
  color: var(--fg-subtle);
  font-size: 13px;
}

/* ── Auth shell ── */

.auth-screen {
  min-height: 100%;
  background: var(--canvas-default);
}

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

.auth-brand {
  display: none;
}

.auth-main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: max(20px, env(safe-area-inset-top)) 20px max(24px, env(safe-area-inset-bottom));
}

.auth-mobile-bar {
  width: 100%;
  max-width: 420px;
  margin-bottom: 16px;
}

.auth-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  padding: 28px 24px;
  border-radius: 20px;
  border: 1px solid var(--border-default);
  background: color-mix(in srgb, var(--canvas-elevated) 72%, transparent);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.18);
}

.auth-card-head {
  margin-bottom: 24px;
}

.auth-card-head .site-logo {
  margin-bottom: 18px;
}

.auth-card-head h1 {
  margin: 0 0 8px;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--fg-default);
}

.auth-card-head .subtitle {
  margin: 0;
  text-align: left;
  line-height: 1.5;
}

.auth-card .form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--fg-muted);
}

.auth-card .form-group input {
  height: 44px;
  padding: 0 14px;
  border-radius: 12px;
  background: var(--canvas-default);
}

.auth-card .btn-primary {
  height: 44px;
  margin-top: 4px;
  border-radius: 12px;
  font-size: 15px;
}

.auth-card .auth-switch {
  margin-top: 20px;
  text-align: center;
  font-size: 14px;
}

.auth-card .error-message {
  margin-top: 16px;
}

html.mobile-composer #home-screen.active {
  position: fixed;
  inset: 0;
  z-index: 200;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

html.mobile-composer #login-screen.active,
html.mobile-composer #register-screen.active {
  position: fixed;
  inset: 0;
  z-index: 200;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

html.mobile-composer #login-screen.active .auth-main,
html.mobile-composer #register-screen.active .auth-main {
  justify-content: flex-start;
  padding-top: max(28px, env(safe-area-inset-top));
  padding-bottom: max(28px, env(safe-area-inset-bottom));
}

@media (max-width: 640px) {
  .site-header {
    gap: 10px;
    padding: max(12px, env(safe-area-inset-top)) 16px 12px;
  }

  .site-header-nav {
    gap: 6px;
  }

  .site-header-nav .site-link-muted {
    display: none;
  }

  .site-header-nav .site-link,
  .site-header-nav .site-btn {
    min-height: 38px;
    padding: 0 14px;
    white-space: nowrap;
  }

  .site-logo-text {
    font-size: 1.05rem;
  }
}

@media (min-width: 640px) {
  .site-highlights-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .site-card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .site-hero {
    grid-template-columns: 1.05fr 0.95fr;
    padding-top: 72px;
    padding-bottom: 56px;
  }

  .site-feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .site-security-inner {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }

  .site-cta-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 32px 36px;
  }

  .site-footer-inner {
    grid-template-columns: 1.2fr 1fr 1fr;
    align-items: start;
    gap: 32px;
  }

  .site-footer-links {
    grid-column: 2;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-footer-aside {
    grid-column: 3;
    align-items: flex-end;
    text-align: right;
  }

  .site-pwa-btn {
    margin-left: auto;
  }

  .auth-shell {
    grid-template-columns: 1fr 1fr;
  }

  .auth-brand {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 48px;
    border-right: 1px solid var(--border-muted);
    background:
      radial-gradient(circle at 20% 20%, rgba(46, 171, 110, 0.12), transparent 45%),
      radial-gradient(circle at 80% 80%, rgba(91, 141, 239, 0.1), transparent 40%),
      var(--canvas-subtle);
  }

  .auth-brand-copy h2 {
    margin: 32px 0 12px;
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.12;
    max-width: 12ch;
  }

  .auth-brand-copy p {
    margin: 0;
    max-width: 34ch;
    font-size: 15px;
    line-height: 1.6;
    color: var(--fg-muted);
  }

  .auth-brand-points {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: auto;
    padding-top: 40px;
  }

  .auth-brand-point {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    color: var(--fg-muted);
    line-height: 1.45;
  }

  .auth-brand-point-icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    flex-shrink: 0;
    display: grid;
    place-items: center;
    background: color-mix(in srgb, var(--success-emphasis) 18%, transparent);
    color: var(--success-fg);
    font-size: 14px;
  }

  .auth-mobile-bar {
    display: none;
  }

  .auth-main {
    padding: 48px 32px;
  }

  .auth-mobile-logo {
    display: none;
  }
}

@media (min-width: 1100px) {
  .site-feature-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

html[data-theme="light"] #home-screen {
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(91, 141, 239, 0.08), transparent 60%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(46, 171, 110, 0.06), transparent 55%),
    var(--canvas-default);
}

html[data-theme="light"] .site-preview {
  box-shadow: 0 24px 64px rgba(15, 23, 42, 0.12);
}