/* ─── Reset & Base ──────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f1117;
  --bg-card: #1a1d27;
  --bg-hover: #222633;
  --border: #2a2e3d;
  --text: #e4e6ed;
  --text-dim: #8b8fa3;
  --accent: #7c6bf4;
  --accent-hover: #9485f7;
  --red: #e5534b;
  --green: #3fb950;
  --orange: #d29922;
  --radius: 8px;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
}

html { font-size: 15px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ─── Top Bar ──────────────────────────────────────────────────────────── */
.top-bar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.75rem 2rem;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text) !important;
  white-space: nowrap;
}

#breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-dim);
  overflow: hidden;
}

#breadcrumb a { color: var(--text-dim); }
#breadcrumb a:hover { color: var(--accent); }
#breadcrumb .sep { color: var(--border); }

/* ─── Main Container ──────────────────────────────────────────────────── */
#app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* ─── Session List ─────────────────────────────────────────────────────── */
.session-list-header {
  margin-bottom: 2rem;
}

.session-list-header h1 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.session-list-header p {
  color: var(--text-dim);
}

.session-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1rem;
}

.session-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.session-card:hover {
  border-color: var(--accent);
  background: var(--bg-hover);
}

.session-card .session-id {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.session-card .fake-news {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  line-height: 1.4;
}

.session-card .meta {
  display: flex;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.session-card .meta span {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.session-card .meta .meta-time {
  margin-left: auto;
  font-style: italic;
  font-size: 0.8rem;
}

/* ─── Session Overview ─────────────────────────────────────────────────── */
.session-header {
  margin-bottom: 2rem;
}

.session-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.session-header .sub {
  color: var(--text-dim);
  font-size: 0.9rem;
}

.section-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 2rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

/* ─── Timeline ─────────────────────────────────────────────────────────── */
.timeline {
  display: flex;
  gap: 0;
  overflow-x: auto;
  padding: 1rem 0;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 2.6rem;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--border);
}

.timeline-round {
  flex: 1;
  min-width: 180px;
  max-width: 280px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  cursor: pointer;
  transition: border-color 0.2s;
  position: relative;
  z-index: 1;
}

.timeline-round:hover {
  border-color: var(--accent);
}

.timeline-round .round-num {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.timeline-round .round-fn {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.timeline-round .avatars {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 0.5rem;
}

.avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0,0,0,0.5);
  border: 2px solid transparent;
  position: relative;
}

.avatar.dead {
  opacity: 0.5;
  border-style: dashed;
  border-color: var(--red);
}

.avatar.born {
  border-color: var(--green);
}

.timeline-round .events {
  display: flex;
  gap: 0.5rem;
  font-size: 0.75rem;
}

.event-tag {
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-weight: 600;
}

.event-tag.death {
  background: rgba(229, 83, 75, 0.15);
  color: var(--red);
}

.event-tag.clone {
  background: rgba(63, 185, 80, 0.15);
  color: var(--green);
}

/* ─── Presence Chart ────────────────────────────────────────────────────── */
.presence-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  overflow-x: auto;
}

.presence-container svg {
  display: block;
  margin: 0 auto;
}

.presence-container svg text {
  font-family: var(--font);
}

.presence-legend {
  margin-top: 1.25rem;
  display: flex;
  justify-content: center;
}

.presence-legend svg text {
  font-family: var(--font);
}

/* ─── Genealogy SVG ────────────────────────────────────────────────────── */
.genealogy-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  overflow-x: auto;
}

.genealogy-container svg {
  display: block;
  margin: 0 auto;
}

.genealogy-container svg text {
  font-family: var(--font);
  fill: var(--text);
}

.genealogy-container svg .node-circle {
  cursor: pointer;
  transition: opacity 0.2s;
}

.genealogy-container svg .node-circle:hover {
  opacity: 0.8;
}

/* ─── Round Detail ─────────────────────────────────────────────────────── */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text-dim);
  font-size: 0.85rem;
  cursor: pointer;
  margin-bottom: 1.5rem;
  transition: border-color 0.2s;
}

.back-btn:hover {
  border-color: var(--accent);
  color: var(--text);
}

.round-header {
  margin-bottom: 2rem;
}

.round-header h1 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.round-header .fn-full {
  color: var(--text-dim);
  font-style: italic;
}

/* ─── Tabs ─────────────────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.tab {
  padding: 0.6rem 1.2rem;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-dim);
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: var(--font);
}

.tab:hover { color: var(--text); }
.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ─── Agent Cards Grid ─────────────────────────────────────────────────── */
.agent-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

.agent-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: border-color 0.2s;
}

.agent-card.eliminated {
  border-color: var(--red);
  background: rgba(229, 83, 75, 0.05);
}

.agent-card.cloned {
  border-color: var(--green);
  background: rgba(63, 185, 80, 0.05);
}

.agent-card .agent-top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.agent-card .agent-name {
  font-weight: 600;
  font-size: 1rem;
}

.agent-card .agent-name a {
  color: var(--text);
}

.agent-card .agent-name a:hover {
  color: var(--accent);
}

.color-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.15rem 0.6rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0,0,0,0.4);
}

.confidence-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

.confidence-row .arrow { color: var(--text-dim); }

.agent-card .message-preview {
  font-size: 0.85rem;
  color: var(--text-dim);
  max-height: 6rem;
  overflow: hidden;
  margin-bottom: 0.75rem;
  position: relative;
}

.agent-card .message-preview::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2rem;
  background: linear-gradient(transparent, var(--bg-card));
}

.agent-card.eliminated .message-preview::after {
  background: linear-gradient(transparent, rgba(26, 29, 39, 0.95));
}

.agent-card .score-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(124, 107, 244, 0.15);
  color: var(--accent);
}

/* ─── Vote Bar ─────────────────────────────────────────────────────────── */
.vote-bar-section {
  margin-top: 2rem;
}

.vote-bar {
  display: flex;
  gap: 2px;
  border-radius: var(--radius);
  overflow: hidden;
  height: 36px;
}

.vote-bar .bar-segment {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  text-shadow: 0 1px 2px rgba(0,0,0,0.4);
  min-width: 40px;
  transition: flex 0.3s;
}

.vote-bar-labels {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
  font-size: 0.8rem;
  flex-wrap: wrap;
}

.vote-bar-labels .vbl {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.vote-bar-labels .vbl-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

/* ─── Chat Transcript ──────────────────────────────────────────────────── */
.chat-transcript {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.chat-transcript .md-content {
  font-size: 0.9rem;
  line-height: 1.7;
}

.chat-transcript .md-content h1,
.chat-transcript .md-content h2 {
  color: var(--accent);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.chat-transcript .md-content h2:first-child {
  margin-top: 0;
}

.chat-transcript .md-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0;
}

.chat-transcript .md-content p {
  margin-bottom: 0.5rem;
}

.chat-transcript .md-content strong {
  color: var(--text);
}

.chat-transcript .md-content ol,
.chat-transcript .md-content ul {
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
}

.chat-transcript .md-content blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
  color: var(--text-dim);
  margin: 0.5rem 0;
}

/* ─── Agent Detail ─────────────────────────────────────────────────────── */
.agent-profile {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (max-width: 768px) {
  .agent-profile { grid-template-columns: 1fr; }
}

.profile-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.profile-card h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.profile-card .field {
  margin-bottom: 0.75rem;
}

.profile-card .field-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 0.2rem;
}

.profile-card .field-value {
  font-size: 0.9rem;
}

.status-alive {
  color: var(--green);
  font-weight: 600;
}

.status-dead {
  color: var(--red);
  font-weight: 600;
}

.bias-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.bias-list li {
  background: rgba(124, 107, 244, 0.12);
  color: var(--accent);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.8rem;
}

.lineage-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.lineage-link {
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.85rem;
}

/* ─── Accordion ────────────────────────────────────────────────────────── */
.accordion {}

.accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  overflow: hidden;
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  cursor: pointer;
  font-size: 0.9rem;
  transition: background 0.2s;
}

.accordion-header:hover {
  background: var(--bg-hover);
}

.accordion-header .chevron {
  transition: transform 0.2s;
  color: var(--text-dim);
}

.accordion-item.open .accordion-header .chevron {
  transform: rotate(90deg);
}

.accordion-body {
  display: none;
  padding: 1rem;
  background: var(--bg);
  font-size: 0.9rem;
  line-height: 1.6;
}

.accordion-item.open .accordion-body {
  display: block;
}

.accordion-body .md-content p {
  margin-bottom: 0.5rem;
}

/* ─── Death Box ────────────────────────────────────────────────────────── */
.death-box {
  background: rgba(229, 83, 75, 0.08);
  border: 1px solid var(--red);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-top: 2rem;
}

.death-box h3 {
  color: var(--red);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.death-box .field {
  margin-bottom: 0.75rem;
}

.death-box .field-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 0.2rem;
}

.death-box .field-value {
  font-size: 0.9rem;
}

.death-box .last-message {
  margin-top: 1rem;
  padding: 1rem;
  background: rgba(0,0,0,0.2);
  border-radius: var(--radius);
  font-size: 0.85rem;
  line-height: 1.6;
  max-height: 12rem;
  overflow-y: auto;
}

/* ─── Empty State ──────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--text-dim);
}

.empty-state .emoji {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

/* ─── Loading ──────────────────────────────────────────────────────────── */
.loading {
  display: flex;
  justify-content: center;
  padding: 3rem;
  color: var(--text-dim);
}

/* ─── Scrollbar ────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }