/**
 * E2EE Page - Extends how-it-works.css styles
 * Additional styles specific to the E2EE explanation page
 */

/* Code Block in Diagram */
.code-container {
  background: var(--md-sys-color-surface-1);
  border-radius: 12px;
  padding: 20px;
  margin: 20px 0;
  border: 1px solid var(--md-sys-color-outline-variant);
  overflow-x: auto;
}

.code-block-large {
  margin: 0;
  font-family: 'Roboto Mono', monospace;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--md-sys-color-on-surface);
  white-space: pre;
}

.code-block-large code {
  display: block;
}

.code-highlight {
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 500;
}

.format-explanation {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

.format-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 12px 16px;
  background: var(--md-sys-color-surface-2);
  border-radius: 8px;
}

.format-item code {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--md-sys-color-primary);
  white-space: nowrap;
  min-width: 200px;
}

.format-item span {
  font-size: 0.9rem;
  color: var(--md-sys-color-on-surface-variant);
  line-height: 1.4;
}

@media (max-width: 768px) {
  .format-item {
    flex-direction: column;
    gap: 8px;
  }

  .format-item code {
    min-width: auto;
  }

  .code-block-large {
    font-size: 0.75rem;
  }
}

.code-block {
  display: block;
  background: var(--md-sys-color-surface-1);
  padding: 12px 16px;
  border-radius: 8px;
  font-family: 'Roboto Mono', monospace;
  font-size: 0.8rem;
  color: var(--md-sys-color-on-surface);
  text-align: left;
  white-space: pre-wrap;
  word-break: break-all;
  border: 1px solid var(--md-sys-color-outline-variant);
}

/* Comparison Grid (What Relay Sees) */
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.comparison-card {
  background: var(--md-sys-color-surface-2);
  border-radius: 12px;
  padding: 20px;
  border: 2px solid transparent;
}

.comparison-card.visible-card {
  border-color: var(--md-sys-color-tertiary);
}

.comparison-card.hidden-card {
  border-color: var(--md-sys-color-primary);
}

.comparison-header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.visible-card .comparison-header {
  color: var(--md-sys-color-tertiary);
}

.visible-card .comparison-header .material-icons {
  color: var(--md-sys-color-tertiary);
}

.hidden-card .comparison-header {
  color: var(--md-sys-color-primary);
}

.hidden-card .comparison-header .material-icons {
  color: var(--md-sys-color-primary);
}

.comparison-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.comparison-list li {
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
  font-size: 0.95rem;
  color: var(--md-sys-color-on-surface);
}

.comparison-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.visible-card .comparison-list li::before {
  background: var(--md-sys-color-tertiary);
}

.hidden-card .comparison-list li::before {
  background: var(--md-sys-color-primary);
}

/* Interoperability Grid */
.interop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.interop-card {
  background: var(--md-sys-color-surface-2);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  border: 2px solid transparent;
}

.interop-card.e2ee-card {
  border-color: var(--md-sys-color-primary);
}

.interop-card.fallback-card {
  border-color: var(--md-sys-color-outline);
}

.interop-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.e2ee-card .interop-header {
  color: var(--md-sys-color-primary);
}

.e2ee-card .interop-header .material-icons {
  color: var(--md-sys-color-primary);
}

.fallback-card .interop-header {
  color: var(--md-sys-color-on-surface-variant);
}

.fallback-card .interop-header .material-icons {
  color: var(--md-sys-color-on-surface-variant);
}

.interop-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 16px;
  padding: 12px;
  background: var(--md-sys-color-surface-1);
  border-radius: 8px;
}

.interop-actor {
  font-weight: 500;
  font-size: 0.95rem;
  padding: 6px 14px;
  background: var(--md-sys-color-surface-2);
  border-radius: 20px;
  color: var(--md-sys-color-on-surface);
}

.interop-arrow {
  color: var(--md-sys-color-outline);
  font-size: 1.5rem;
}

.interop-text {
  font-size: 0.9rem;
  color: var(--md-sys-color-on-surface-variant);
  line-height: 1.5;
}

/* Safety Number Demo */
.safety-number-demo {
  background: var(--md-sys-color-surface-2);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  margin: 24px 0;
  border: 1px solid var(--md-sys-color-outline-variant);
}

.safety-number-label {
  font-size: 0.85rem;
  color: var(--md-sys-color-on-surface-variant);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.safety-number-value {
  font-family: 'Roboto Mono', monospace;
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--md-sys-color-primary);
  letter-spacing: 2px;
  margin: 8px 0;
}

/* Indicators Grid */
.indicators-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 20px;
}

.indicator-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: var(--md-sys-color-surface-2);
  border-radius: 12px;
  border-left: 4px solid transparent;
}

.indicator-card.verified {
  border-left-color: #2e7d32;
}

.indicator-card.verified .indicator-icon .material-icons {
  color: #2e7d32;
}

.indicator-card.encrypted {
  border-left-color: var(--md-sys-color-primary);
}

.indicator-card.encrypted .indicator-icon .material-icons {
  color: var(--md-sys-color-primary);
}

.indicator-card.unencrypted {
  border-left-color: var(--md-sys-color-outline);
}

.indicator-card.unencrypted .indicator-icon .material-icons {
  color: var(--md-sys-color-outline);
}

.indicator-icon .material-icons {
  font-size: 2rem;
}

.indicator-content {
  flex: 1;
}

.indicator-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--md-sys-color-on-surface);
  margin-bottom: 4px;
}

.indicator-text {
  font-size: 0.9rem;
  color: var(--md-sys-color-on-surface-variant);
  line-height: 1.4;
}

/* Responsive */
@media (max-width: 768px) {
  .comparison-grid {
    grid-template-columns: 1fr;
  }

  .interop-grid {
    grid-template-columns: 1fr;
  }

  .safety-number-value {
    font-size: 1rem;
    letter-spacing: 1px;
  }

  .indicator-card {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .safety-number-value {
    font-size: 0.85rem;
  }
}

/* UI Label - for referencing app UI elements */
.ui-label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--md-sys-color-surface-variant);
  color: var(--md-sys-color-on-surface-variant);
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
}