:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1a2233;
  --bg-card-hover: #1f2a3d;
  --border: #2a3548;
  --border-active: #3b82f6;
  --text-primary: #e8ecf4;
  --text-secondary: #8899b0;
  --text-muted: #5a6a80;
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-green: #10b981;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;
  --accent-purple: #8b5cf6;
  --glow-blue: rgba(59, 130, 246, 0.15);
  --glow-green: rgba(16, 185, 129, 0.15);
  --glow-amber: rgba(245, 158, 11, 0.15);
  --glow-red: rgba(239, 68, 68, 0.15);
  --radius: 12px;
  --radius-sm: 8px;
  --font-body: 'DM Sans', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Ambient background glow */
body::before {
  content: '';
  position: fixed;
  top: -20%;
  left: -10%;
  width: 60%;
  height: 60%;
  background: radial-gradient(ellipse, rgba(59,130,246,0.06) 0%, transparent 70%);
  pointer-events: none;
}

body::after {
  content: '';
  position: fixed;
  bottom: -20%;
  right: -10%;
  width: 50%;
  height: 50%;
  background: radial-gradient(ellipse, rgba(6,182,212,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.app-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem;
  position: relative;
  z-index: 1;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.header-title {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header-subtitle {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 0.25rem;
  font-family: var(--font-mono);
}

.mode-switch {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mode-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.mode-switch .toggle-track {
  width: 52px;
  height: 28px;
  border-radius: 14px;
  background: var(--bg-card);
  border: 2px solid var(--border);
  position: relative;
  cursor: pointer;
  transition: all 0.3s ease;
}

.mode-switch .toggle-track.active {
  background: var(--accent-green);
  border-color: var(--accent-green);
}

.mode-switch .toggle-track .toggle-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--text-primary);
  position: absolute;
  top: 2px;
  left: 2px;
  transition: transform 0.3s ease;
}

.mode-switch .toggle-track.active .toggle-thumb {
  transform: translateX(24px);
}

.mode-value {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  min-width: 60px;
}

.mode-auto { color: var(--accent-green); }
.mode-manual { color: var(--accent-amber); }

/* Stats grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s;
}

.stat-card:hover { border-color: var(--border-active); }

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.stat-card:nth-child(1)::before { background: var(--accent-blue); }
.stat-card:nth-child(2)::before { background: var(--accent-green); }
.stat-card:nth-child(3)::before { background: var(--accent-amber); }
.stat-card:nth-child(4)::before { background: var(--accent-cyan); }

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-mono);
  margin-top: 0.25rem;
}

.stat-meta {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
  font-family: var(--font-mono);
}

/* Main content layout */
.main-grid {
  display: grid;
  grid-template-columns: 1fr 300px 360px;
  gap: 1.5rem;
}

.section-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-title .badge {
  background: var(--accent-blue);
  color: white;
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 10px;
  font-family: var(--font-mono);
}

/* Post cards */
.post-list { display: flex; flex-direction: column; gap: 0.75rem; }

.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  cursor: pointer;
  transition: all 0.2s;
}

.post-card:hover {
  border-color: var(--border-active);
  background: var(--bg-card-hover);
}

.post-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.post-topic-badge {
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  font-weight: 600;
  font-family: var(--font-mono);
}

.topic-ai-benefit { background: rgba(59,130,246,0.15); color: var(--accent-blue); }
.topic-ai-guardrails { background: rgba(139,92,246,0.15); color: var(--accent-purple); }
.topic-cyber-incidents { background: rgba(239,68,68,0.15); color: var(--accent-red); }
.topic-cyber-advances { background: rgba(6,182,212,0.15); color: var(--accent-cyan); }

.post-status {
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  font-weight: 600;
  font-family: var(--font-mono);
}

.status-posted { background: var(--glow-green); color: var(--accent-green); }
.status-pending_approval { background: var(--glow-amber); color: var(--accent-amber); }
.status-draft { background: rgba(90,106,128,0.2); color: var(--text-secondary); }
.status-rejected { background: var(--glow-red); color: var(--accent-red); }
.status-failed { background: var(--glow-red); color: var(--accent-red); }

.post-title-text {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.post-preview {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.post-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.post-actions { display: flex; gap: 0.5rem; }

/* Buttons */
.btn {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  transition: all 0.2s;
}

.btn-approve {
  background: var(--accent-green);
  color: white;
}
.btn-approve:hover { background: #0ea574; }

.btn-reject {
  background: transparent;
  border: 1px solid var(--accent-red);
  color: var(--accent-red);
}
.btn-reject:hover { background: var(--glow-red); }

.btn-primary {
  background: var(--accent-blue);
  color: white;
}
.btn-primary:hover { background: #2563eb; }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.btn-ghost:hover { border-color: var(--text-secondary); color: var(--text-primary); }

/* Sidebar panels */
.sidebar-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
}

/* Activity log */
.log-entry {
  display: flex;
  gap: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(42,53,72,0.5);
  font-size: 0.8rem;
}

.log-entry:last-child { border-bottom: none; }

.log-time {
  font-family: var(--font-mono);
  color: var(--text-muted);
  white-space: nowrap;
  font-size: 0.7rem;
}

.log-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-top: 6px;
  flex-shrink: 0;
}

.log-dot.info { background: var(--accent-blue); }
.log-dot.warn { background: var(--accent-amber); }
.log-dot.error { background: var(--accent-red); }

.log-text { color: var(--text-secondary); line-height: 1.4; }

.log-meta {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  margin-top: 0.15rem;
}
.log-id {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-muted);
}
.log-cycle {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  padding: 0.05rem 0.35rem;
  border-radius: 3px;
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-blue);
}

/* Connection status */
.conn-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0;
}

.conn-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.conn-dot.connected { background: var(--accent-green); }
.conn-dot.disconnected { background: var(--accent-red); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Cadence meter */
.cadence-bar {
  height: 8px;
  background: var(--bg-secondary);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 0.5rem;
}

.cadence-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease;
}

/* Expanded post modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  max-width: 640px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-close {
  float: right;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
}

.modal-body {
  white-space: pre-wrap;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

.modal-hashtags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.hashtag {
  background: var(--bg-secondary);
  color: var(--accent-cyan);
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  font-family: var(--font-mono);
}

/* Loading state */
.loading-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 1100px) {
  .main-grid { grid-template-columns: 1fr 260px; }
}
@media (max-width: 900px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .main-grid { grid-template-columns: 1fr; }
}

/* Research & Sources */
.source-list {
  margin-top: 1rem; padding: 1rem;
  background: var(--bg-secondary); border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent-cyan);
}
.source-item {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 0.35rem 0; border-bottom: 1px solid rgba(42,53,72,0.3); font-size: 0.8rem;
}
.source-item:last-child { border-bottom: none; }
.source-name { color: var(--text-primary); font-weight: 500; }
.source-tier {
  font-family: var(--font-mono); font-size: 0.65rem;
  padding: 0.1rem 0.4rem; border-radius: 4px;
}
.tier-authoritative { background: rgba(16,185,129,0.15); color: var(--accent-green); }
.tier-primary { background: rgba(59,130,246,0.15); color: var(--accent-blue); }
.tier-secondary { background: rgba(139,92,246,0.15); color: var(--accent-purple); }
.source-url { color: var(--accent-cyan); text-decoration: none; font-size: 0.7rem; word-break: break-all; }
.source-url:hover { text-decoration: underline; }
.factual-flags {
  margin-top: 0.75rem; padding: 0.75rem;
  background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.2);
  border-radius: var(--radius-sm);
}
.flag-item { display: flex; align-items: flex-start; gap: 0.5rem; padding: 0.25rem 0; font-size: 0.8rem; color: var(--accent-amber); }
.corroboration-badge {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-family: var(--font-mono); font-size: 0.7rem;
  padding: 0.2rem 0.6rem; border-radius: 6px; margin-left: 0.5rem;
}
.corroboration-strong { background: rgba(16,185,129,0.15); color: var(--accent-green); }
.corroboration-weak { background: rgba(245,158,11,0.15); color: var(--accent-amber); }
.corroboration-none { background: rgba(239,68,68,0.15); color: var(--accent-red); }
.research-summary { display: flex; gap: 1rem; margin-top: 0.5rem; flex-wrap: wrap; }
.research-stat { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-secondary); }
.research-stat strong { color: var(--text-primary); }

/* Topic selector */
.topic-selector {
  width: 100%;
  padding: 0.5rem 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.8rem;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238899b0' viewBox='0 0 16 16'%3E%3Cpath d='M1.5 5.5l6.5 6 6.5-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
}
.topic-selector:focus {
  outline: none;
  border-color: var(--accent-blue);
}
.topic-selector option {
  background: var(--bg-card);
  color: var(--text-primary);
}

/* Toggle switch */
.toggle-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.35rem 0.75rem;
  min-width: 0;
  box-sizing: border-box;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.toggle-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}
.toggle-label-active { color: var(--accent-green); }
.toggle-label-inactive { color: var(--text-muted); }
.toggle-switch {
  position: relative;
  width: 36px;
  height: 20px;
  cursor: pointer;
  flex-shrink: 0;
}
.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.toggle-switch .toggle-track {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: background 0.2s, border-color 0.2s;
}
.toggle-switch .toggle-track::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  left: 2px;
  top: 2px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: transform 0.2s, background 0.2s;
}
.toggle-switch input:checked + .toggle-track {
  background: var(--glow-green);
  border-color: var(--accent-green);
}
.toggle-switch input:checked + .toggle-track::after {
  transform: translateX(16px);
  background: var(--accent-green);
}
.toggle-switch.toggle-busy .toggle-track {
  background: rgba(245, 158, 11, 0.15);
  border-color: var(--accent-amber);
}
.toggle-switch.toggle-busy .toggle-track::after {
  background: var(--accent-amber);
  animation: toggle-pulse 0.8s ease-in-out infinite;
}
.toggle-switch.toggle-busy input:checked + .toggle-track {
  background: rgba(245, 158, 11, 0.15);
  border-color: var(--accent-amber);
}
.toggle-switch.toggle-busy input:checked + .toggle-track::after {
  background: var(--accent-amber);
}
@keyframes toggle-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
/* ── Auth: Login Wall ────────────────────────── */
.login-wall {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  text-align: center;
  padding: 2rem;
}
.login-wall-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.login-wall-subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 2rem;
  font-family: var(--font-mono);
}
.login-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  background: var(--accent-blue);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s;
}
.login-btn:hover {
  background: #2563eb;
}
/* ── Auth: Dev Banner ─────────────────────────── */
.dev-banner {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-sm);
  padding: 0.5rem 1rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--accent-amber);
  font-family: var(--font-mono);
}
.dev-banner-icon { font-size: 1rem; }
/* ── Auth: User Info + Logout ─────────────────── */
.user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
}
.user-name {
  color: var(--text-secondary);
  font-family: var(--font-mono);
}
.logout-btn {
  padding: 0.3rem 0.75rem;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
  font-family: var(--font-mono);
}
.logout-btn:hover {
  color: var(--accent-red);
  border-color: var(--accent-red);
}