.error-page {
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-canvas, #F8FAFC);
  color: var(--text-dark, #0F172A);
  font-family: 'Cairo', sans-serif;
}

.error-page__brand {
  padding: 20px 24px;
}

.error-page__brand-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-dark, #0F172A);
  font-weight: 800;
  font-size: 1.05rem;
}

.error-page__logo {
  height: 36px;
  width: auto;
}

.error-page__main {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 24px 16px 64px;
}

.error-page__card {
  width: min(560px, 100%);
  background: var(--bg-panel, #fff);
  border: 1px solid var(--border-color, #E2E8F0);
  border-radius: var(--radius-xl, 20px);
  padding: 48px 32px;
  text-align: center;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}

.error-page__icon {
  width: 88px;
  height: 88px;
  margin: 0 auto 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light, #EFF6FF);
  color: var(--primary, #3A6BD4);
}

.error-page__icon[data-variant="offline"],
.error-page__icon[data-variant="unavailable"] {
  background: var(--accent-light, #FFF9E6);
  color: var(--accent, #B38603);
}

.error-page__icon[data-variant="server"] {
  background: #FEF2F2;
  color: #DC2626;
}

.error-page__icon .lucide {
  width: 40px;
  height: 40px;
}

.error-page__title {
  font-size: 1.55rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.error-page__text {
  color: var(--text-medium, #475569);
  font-size: 1rem;
  line-height: 1.7;
  margin: 0 auto 28px;
  max-width: 42ch;
}

.error-page__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.error-page__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 22px;
  border-radius: var(--radius-md, 12px);
  background: var(--primary, #3A6BD4);
  color: #fff;
  font-weight: 700;
  font-size: 0.92rem;
  border: 1px solid transparent;
  cursor: pointer;
}

.error-page__btn:hover {
  background: var(--primary-hover, #1E4BA0);
}

.error-page__btn--ghost {
  background: transparent;
  color: var(--primary, #3A6BD4);
  border-color: var(--border-color, #E2E8F0);
}

.error-page__btn--ghost:hover {
  background: var(--primary-light, #EFF6FF);
}

.site-offline-banner {
  display: none;
  position: sticky;
  top: 0;
  z-index: 80;
  background: #FFF9E6;
  color: #7A5A00;
  border-bottom: 1px solid #F3E2A8;
  padding: 10px 16px;
  text-align: center;
  font-size: 0.92rem;
  font-weight: 600;
}

.site-offline-banner.is-visible {
  display: block;
}

.site-offline-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 120;
  background: rgba(248, 250, 252, 0.96);
  overflow: auto;
}

.site-offline-overlay.is-visible {
  display: flex;
  flex-direction: column;
}

.site-offline-overlay .error-page__main {
  min-height: 100%;
}

body.is-offline {
  overflow: hidden;
}

@media (max-width: 640px) {
  .error-page__card {
    padding: 36px 20px;
  }

  .error-page__title {
    font-size: 1.3rem;
  }
}