/**
 * About Page Specific Styles
 * Extends: md3-components.css, public-common.css
 */

/* Status Badges */
.status-badges {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 20px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
}

.badge .material-icons {
  font-size: 1.1rem;
}

.badge-success {
  background: var(--md-sys-color-success-container, #d4edda);
  color: var(--md-sys-color-on-success-container, #155724);
}

.badge-error {
  background: var(--md-sys-color-error-container);
  color: var(--md-sys-color-on-error-container);
}

.badge-info {
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
}

/* About Sections */
.section {
  margin-bottom: 40px;
}

.section:last-child {
  margin-bottom: 0;
}

.about-section {
  margin-bottom: 40px;
}

.about-section:last-child {
  margin-bottom: 0;
}

.section-title {
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--md-sys-color-primary);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--md-sys-color-outline);
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title .material-icons {
  font-size: 2rem;
  color: var(--md-sys-color-primary);
}

.description {
  font-size: 1rem;
  color: var(--md-sys-color-on-surface-variant);
  line-height: 1.8;
  margin-bottom: 20px;
}

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

.feature-card {
  background: var(--md-sys-color-surface-2);
  border-radius: 12px;
  padding: 24px;
  border-left: 4px solid var(--md-sys-color-primary);
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--md-sys-elevation-2);
}

.feature-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.feature-icon {
  font-size: 2.5rem;
  color: var(--md-sys-color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon .material-icons {
  font-size: 2.5rem;
}

.feature-title {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--md-sys-color-on-surface);
}

.feature-description {
  font-size: 0.95rem;
  color: var(--md-sys-color-on-surface-variant);
  line-height: 1.5;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.stat-card {
  background: var(--md-sys-color-surface-2);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  border-top: 3px solid var(--md-sys-color-primary);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--md-sys-color-primary);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--md-sys-color-on-surface-variant);
}

/* List Grid (for protocols and tech stack) */
.list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.list-item {
  background: var(--md-sys-color-surface-2);
  border-radius: 8px;
  padding: 16px;
  border-left: 3px solid var(--md-sys-color-outline);
}

.list-item-name {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--md-sys-color-on-surface);
  margin-bottom: 6px;
}

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

.badge-max {
  display: inline-block;
  background: var(--md-sys-color-tertiary-container);
  color: var(--md-sys-color-on-tertiary-container);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Version Info */
.version-info {
  background: var(--md-sys-color-surface-2);
  border-radius: 12px;
  padding: 20px;
  margin-top: 20px;
}

.version-item {
  margin-bottom: 16px;
}

.version-item:last-child {
  margin-bottom: 0;
}

.version-label {
  font-size: 0.9rem;
  color: var(--md-sys-color-on-surface-variant);
  margin-bottom: 4px;
}

.version-value {
  font-size: 1.1rem;
  color: var(--md-sys-color-on-surface);
  font-weight: 500;
}

/* Legacy support for old class names */
.protocol-list,
.tech-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.protocol-item,
.tech-item {
  background: var(--md-sys-color-surface-2);
  border-radius: 8px;
  padding: 16px;
  border-left: 3px solid var(--md-sys-color-outline);
}

.protocol-name,
.tech-category {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--md-sys-color-on-surface);
  margin-bottom: 6px;
}

.protocol-description,
.tech-details {
  font-size: 0.9rem;
  color: var(--md-sys-color-on-surface-variant);
}

/* Server Rules */
.rules-list {
  list-style: none;
  padding: 0;
  margin-top: 20px;
}

.rule-item {
  background: var(--md-sys-color-surface-2);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 12px;
  border-left: 4px solid var(--md-sys-color-primary);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.rule-number {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--md-sys-color-primary);
  flex-shrink: 0;
}

.rule-text {
  font-size: 1rem;
  color: var(--md-sys-color-on-surface);
  line-height: 1.5;
}

.no-rules {
  color: var(--md-sys-color-on-surface-variant);
  font-style: italic;
  padding: 20px;
  text-align: center;
  background: var(--md-sys-color-surface-2);
  border-radius: 8px;
}

/* Contact/Version Info */
.info-block {
  background: var(--md-sys-color-surface-2);
  border-radius: 12px;
  padding: 20px;
  margin-top: 20px;
}

.info-label {
  font-size: 0.9rem;
  color: var(--md-sys-color-on-surface-variant);
  margin-bottom: 4px;
}

.info-value {
  font-size: 1.1rem;
  color: var(--md-sys-color-on-surface);
  font-weight: 500;
}

/* Registration Badge */
.registration-badge {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: 12px;
}

.registration-badge.open {
  background: var(--md-sys-color-success);
  color: white;
}

.registration-badge.closed {
  background: var(--md-sys-color-error-container);
  color: var(--md-sys-color-on-error-container);
}

/* Responsive */
@media (max-width: 768px) {
  .features-grid,
  .stats-grid,
  .protocol-list,
  .tech-list {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .feature-card {
    padding: 20px;
  }
}