/* ===============================================
   PCC Yield Optimizer - Error States
   Sprint 7 - Phase 2
   =============================================== */

/* ===========================
   Error Message Container
   =========================== */

.error-message {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-5xl) var(--space-4xl);
  background: #FEF2F2;
  border: 1px solid #FECACA;
  border-radius: var(--radius-lg);
  margin: var(--space-xl) 0;
}

.error-message-icon {
  font-size: var(--font-size-display);
  margin-bottom: var(--space-xl);
}

.error-message-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: #991B1B;
  margin-bottom: var(--space-sm);
}

.error-message-description {
  font-size: var(--font-size-body-lg);
  color: #7F1D1D;
  line-height: 1.6;
  max-width: 500px;
  margin-bottom: var(--space-sm);
}

.error-message-help {
  font-size: var(--font-size-body);
  color: #991B1B;
  margin-bottom: var(--space-2xl);
  font-style: italic;
}

/* ===========================
   Error Actions
   =========================== */

.error-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}

.error-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  border: none;
  outline: none;
}

.error-btn-retry {
  background: var(--color-danger);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.error-btn-retry:hover {
  background: #B91C1C;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.error-btn-continue {
  background: var(--color-white);
  color: var(--color-danger);
  border: 1px solid #FECACA;
  box-shadow: var(--shadow-sm);
}

.error-btn-continue:hover {
  background: #FEF2F2;
  border-color: #FCA5A5;
  transform: translateY(-1px);
}

/* ===========================
   Warning Message (less severe than error)
   =========================== */

.warning-message {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-3xl) var(--space-4xl);
  background: #FFFBEB;
  border: 1px solid var(--color-warning-light);
  border-radius: var(--radius-lg);
  margin: var(--space-xl) 0;
}

.warning-message-icon {
  font-size: var(--space-4xl);
  margin-bottom: var(--space-lg);
}

.warning-message-title {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-semibold);
  color: #92400E;
  margin-bottom: var(--space-sm);
}

.warning-message-description {
  font-size: var(--font-size-body);
  color: #78350F;
  line-height: 1.5;
  max-width: 450px;
}

/* ===========================
   Error Toast (auto-dismiss notification)
   =========================== */

.error-toast {
  position: fixed;
  top: 80px;
  right: var(--space-2xl);
  max-width: 400px;
  background: var(--color-white);
  border-left: var(--space-2xs) solid var(--color-danger);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: var(--space-lg) var(--space-xl);
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  z-index: 9998;
  animation: toast-slide-in 0.3s ease-out;
}

.error-toast-icon {
  font-size: var(--font-size-h2);
  flex-shrink: 0;
}

.error-toast-content {
  flex: 1;
}

.error-toast-title {
  font-size: var(--font-size-body-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-2xs);
}

.error-toast-message {
  font-size: var(--font-size-body-sm);
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.error-toast-close {
  background: none;
  border: none;
  color: var(--color-gray-400);
  font-size: var(--font-size-xl);
  cursor: pointer;
  padding: 0;
  width: var(--space-2xl);
  height: var(--space-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  flex-shrink: 0;
}

.error-toast-close:hover {
  background: var(--color-gray-100);
  color: var(--color-gray-900);
}

@keyframes toast-slide-in {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.error-toast.hiding {
  animation: toast-slide-out 0.3s ease-out forwards;
}

@keyframes toast-slide-out {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(400px);
    opacity: 0;
  }
}

/* Success toast variant */
.success-toast {
  border-left-color: var(--color-success);
}

/* Warning toast variant */
.warning-toast {
  border-left-color: var(--color-warning);
}

/* ===========================
   Error Overlay (for critical failures)
   =========================== */

.error-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 20px;
  animation: overlay-fade-in 0.3s ease-out;
}

@keyframes overlay-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.error-overlay-content {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  max-width: 500px;
  width: 100%;
  padding: var(--space-4xl);
  box-shadow: var(--shadow-2xl);
  text-align: center;
  animation: overlay-content-scale 0.3s ease-out;
}

@keyframes overlay-content-scale {
  from {
    transform: scale(0.9);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.error-overlay-icon {
  font-size: var(--font-size-display);
  margin-bottom: var(--space-xl);
}

.error-overlay-title {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-md);
}

.error-overlay-description {
  font-size: var(--font-size-body-lg);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--font-size-2xl);
}

.error-overlay-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
}

/* ===========================
   Browser Upgrade Message
   =========================== */

.browser-upgrade-banner {
  background: linear-gradient(135deg, var(--color-warning-lighter) 0%, var(--color-warning-light) 100%);
  border-bottom: var(--space-3xs) solid var(--color-warning);
  padding: var(--space-lg) var(--space-2xl);
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.browser-upgrade-text {
  font-size: var(--font-size-body);
  color: #92400E;
  margin-bottom: var(--space-sm);
}

.browser-upgrade-link {
  color: #D97706;
  text-decoration: underline;
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
}

.browser-upgrade-link:hover {
  color: #B45309;
}

/* ===========================
   Inline Error (for form fields, etc.)
   =========================== */

.inline-error {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: #FEF2F2;
  border: 1px solid #FECACA;
  border-radius: var(--radius-md);
  margin-top: var(--space-sm);
}

.inline-error-icon {
  color: var(--color-danger);
  font-size: var(--font-size-h3);
  flex-shrink: 0;
}

.inline-error-text {
  font-size: var(--font-size-body);
  color: #991B1B;
}

/* ===========================
   Responsive Adjustments
   =========================== */

@media (max-width: 768px) {
  .error-message,
  .warning-message {
    padding: var(--space-3xl) var(--space-2xl);
  }

  .error-toast {
    left: var(--space-lg);
    right: var(--space-lg);
    max-width: none;
  }

  .error-overlay-content {
    padding: var(--space-3xl) var(--space-2xl);
  }

  .error-actions,
  .error-overlay-actions {
    flex-direction: column;
    width: 100%;
  }

  .error-btn {
    width: 100%;
    justify-content: center;
  }
}