/* Social Radar v2 — About */

/* === Page Containers === */
.sources-page,
.transparency-page,
.devlog-page {
  flex: 1;
  overflow-y: auto;
  padding: 32px 40px;
}

/* === About / Sources Page === */
.sources-content {
  max-width: 1200px;
  margin: 0 auto;
  line-height: 1.8;
}

.sources-content h1 {
  font-size: 1.6rem;
  margin-bottom: 12px;
  color: var(--color-text);
}

.sources-content h2 {
  font-size: 1.15rem;
  margin: 32px 0 12px;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 8px;
}

.sources-content p {
  margin-bottom: 12px;
  color: var(--color-text-secondary);
}

.sources-content ul {
  margin: 8px 0 16px 20px;
}

.sources-content li {
  margin-bottom: 4px;
  color: var(--color-text-secondary);
}

.sources-content li strong {
  color: var(--color-text);
}

.sources-content h3 {
  font-size: 1rem;
  margin: 0 0 8px;
  color: var(--color-text);
}

/* Source Lists (news vs social) */
.source-lists {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 16px 0;
}

.source-group {
  padding: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.source-group ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.source-group li {
  padding: 4px 0;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
}

.source-group li:last-child {
  border-bottom: none;
}

.source-summary {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.source-group-meta {
  font-weight: 400;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-left: 8px;
}

.source-list-detail li {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.source-pct {
  font-size: 0.8rem;
  color: var(--color-muted-text);
  font-variant-numeric: tabular-nums;
}

/* Update Log */
.update-log {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.update-log h3 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin: 0 0 8px;
}

.update-log ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.update-log li {
  font-size: 0.78rem;
  color: var(--color-muted-text);
  padding: 3px 0;
  font-variant-numeric: tabular-nums;
}


/* === Info Tip Dialogs (Main Page) === */
.info-tip-wrap {
  position: relative;
  display: inline-block;
}

.info-tip-btn-inline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: 0.7rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  padding: 0;
  line-height: 1;
  vertical-align: middle;
  margin-left: 6px;
}

.info-tip-btn-inline:hover {
  border-color: var(--color-signal);
  color: var(--color-text);
  background: var(--color-surface-hover);
}

.info-tip-dialog {
  display: none;
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 280px;
  max-width: 380px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  z-index: 100;
  animation: infoTipFadeIn 0.15s ease;
}

.info-tip-dialog.open {
  display: block;
}

.info-tip-dialog.expanded {
  border-color: var(--color-signal);
  box-shadow: 0 0 0 1px var(--color-signal), 0 8px 32px rgba(0, 0, 0, 0.4);
}

@keyframes infoTipFadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.info-tip-dialog-header {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-text);
}

.info-tip-dialog-header span:first-child {
  flex: 1;
}

.info-tip-close {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 1rem;
  cursor: pointer;
  padding: 2px 6px;
  line-height: 1;
  transition: color 0.15s;
}

.info-tip-close:hover {
  color: var(--color-text);
}

.info-tip-dialog-summary {
  padding: 12px 14px 8px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.info-tip-expand-btn {
  display: block;
  margin: 0 14px 12px;
  padding: 0;
  border: none;
  background: none;
  color: var(--color-accent);
  font-size: 0.8rem;
  cursor: pointer;
  font-family: var(--font-main);
  text-decoration: underline dotted;
  text-underline-offset: 3px;
}

.info-tip-expand-btn::after {
  content: " \203A";
}

.info-tip-expand-btn:hover {
  color: var(--color-accent-hover);
  text-decoration: underline solid;
}

.info-tip-dialog-detail {
  display: none;
  padding: 0 14px 12px;
}

.info-tip-dialog.expanded .info-tip-dialog-detail {
  display: block;
}

/* Sidebar variant: dialog opens below the header, frosted glass */
.sidebar-header .info-tip-dialog {
  bottom: auto;
  top: calc(100% + 6px);
  left: 0;
  right: auto;
  transform: none;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background: rgba(26, 31, 46, 0.88);
}

.info-tip-item {
  display: flex;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
}

.info-tip-item:last-child {
  border-bottom: none;
}

.info-tip-item .rt-line {
  display: inline-block;
  width: 24px;
  height: 3px;
  border-radius: 2px;
  flex-shrink: 0;
  margin-top: 10px;
}

.info-tip-item strong {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text);
  margin-bottom: 2px;
}

.info-tip-item span {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.info-tip-item em {
  display: block;
  font-size: 0.75rem;
  color: var(--color-muted-text);
  margin-top: 4px;
}

.info-tip-note {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  margin: 8px 0 0;
  padding-top: 8px;
  border-top: 1px solid var(--color-border);
}

/* === Footer === */
.footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 12px 16px;
  font-size: 0.75rem;
  color: var(--color-text-dim, var(--color-text-secondary));
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
  flex-shrink: 0;
}

.footer a {
  color: var(--color-text-dim, var(--color-text-secondary));
  text-decoration: none;
  transition: color 0.15s;
}

.footer a:hover {
  color: var(--color-text);
}

.footer-sep {
  opacity: 0.4;
}

/* How It Works flow diagram */
.how-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin: 24px 0 32px;
  overflow-x: auto;
}

.how-flow-step {
  text-align: center;
  padding: 16px 12px;
  min-width: 120px;
  flex-shrink: 0;
}

.how-flow-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-accent-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin: 0 auto 8px;
}

.how-flow-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
}

.how-flow-sub {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.how-flow-arrow {
  font-size: 1.2rem;
  color: var(--color-accent-text);
  flex-shrink: 0;
  margin: 0 4px;
}