.error-page {
  min-height: calc(100vh - 120px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  position: relative;
  background: var(--color-background);
}

/* Glassmorphic/Elevated Error Card */
.error-card {
  width: 100%;
  max-width: 520px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.error-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2xl);
}

/* Accent top border based on error level */
.error-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--color-primary-500) 0%, var(--color-primary-600) 100%);
}

.error-card--500::before {
  background: linear-gradient(90deg, #ef4444 0%, #b91c1c 100%);
}

.error-card--403::before {
  background: linear-gradient(90deg, #f59e0b 0%, #d97706 100%);
}

.error-card--422::before {
  background: linear-gradient(90deg, #8b5cf6 0%, #6d28d9 100%);
}

/* Illustration / Icon Container */
.error-card__illustration {
  margin-bottom: var(--space-8);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.error-card__illustration svg {
  width: 120px;
  height: 120px;
  color: var(--color-primary-500);
  animation: float 4s ease-in-out infinite;
}

.error-card--500 .error-card__illustration svg {
  color: #ef4444;
}

.error-card--403 .error-card__illustration svg {
  color: #f59e0b;
}

.error-card--422 .error-card__illustration svg {
  color: #8b5cf6;
}

/* Error Code & Text Styles */
.error-card__code {
  font-size: 5rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.05em;
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-800) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.error-card--500 .error-card__code {
  background: linear-gradient(135deg, #ef4444 0%, #991b1b 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.error-card--403 .error-card__code {
  background: linear-gradient(135deg, #f59e0b 0%, #92400e 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.error-card--422 .error-card__code {
  background: linear-gradient(135deg, #8b5cf6 0%, #5b21b6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.error-card__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.error-card__message {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 400px;
  margin: 0 auto var(--space-8);
}

/* Action buttons */
.error-card__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

/* Float Keyframes */
@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-8px);
  }
  100% {
    transform: translateY(0px);
  }
}

/* When viewed on outside layout (unauthenticated users) */
.main-content[style*="margin-left:0"] .error-page {
  min-height: 100vh;
  background: linear-gradient(135deg, #1e3a8a 0%, #1e293b 50%, #0f172a 100%);
}

.main-content[style*="margin-left:0"] .error-card {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(30, 41, 59, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.main-content[style*="margin-left:0"] .error-card__title {
  color: #f8fafc;
}

.main-content[style*="margin-left:0"] .error-card__message {
  color: #cbd5e1;
}

.main-content[style*="margin-left:0"] .error-card__code {
  background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}