:root {
  --bg: #0b0f14;
  --bg-elevated: #121820;
  --bg-card: #161d27;
  --border: #243041;
  --text: #e8edf5;
  --text-muted: #8b9bb0;
  --accent: #3d8bfd;
  --accent-soft: rgba(61, 139, 253, 0.14);
  --success: #34d399;
  --warning: #fbbf24;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --radius: 14px;
  --radius-sm: 10px;
  --font: "DM Sans", system-ui, sans-serif;
  --mono: "JetBrains Mono", monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(61, 139, 253, 0.12), transparent 28%),
    radial-gradient(circle at bottom right, rgba(52, 211, 153, 0.08), transparent 24%),
    var(--bg);
}

a {
  color: inherit;
}

.app {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--border);
  background: rgba(12, 16, 22, 0.92);
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), #7c5cff);
  box-shadow: var(--shadow);
}

.brand-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.brand-sub {
  margin: 2px 0 0;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.sidebar-section h2 {
  margin: 0 0 12px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.platform-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.platform-btn {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.platform-btn:hover,
.platform-btn.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.platform-btn strong {
  display: block;
  font-size: 0.95rem;
}

.platform-btn span {
  display: block;
  margin-top: 4px;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.sidebar-meta {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.main {
  padding: 28px 32px 40px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--text-muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.topbar h1 {
  margin: 0;
  font-size: 2rem;
  font-weight: 700;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.82rem;
}

.status-pill.ready::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
}

.welcome-card,
.stat-card,
.module-card,
.panel-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.welcome-card {
  padding: 28px;
  max-width: 720px;
}

.welcome-card h2 {
  margin: 0 0 10px;
}

.welcome-card p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.hidden {
  display: none !important;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 22px;
}

.stat-card {
  padding: 18px;
}

.stat-label {
  display: block;
  color: var(--text-muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 1.05rem;
  font-weight: 600;
}

.stat-value.link {
  color: var(--accent);
  text-decoration: none;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.9fr);
  gap: 18px;
}

.module-group {
  margin-bottom: 22px;
}

.module-group h3 {
  margin: 0 0 12px;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.module-card {
  padding: 16px;
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.15s ease, background 0.15s ease;
}

.module-card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.module-card.running {
  border-color: var(--warning);
  background: rgba(251, 191, 36, 0.08);
}

.module-card .module-id {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.75rem;
}

.module-card h4 {
  margin: 8px 0 4px;
  font-size: 1rem;
}

.module-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.86rem;
}

.side-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.panel-block {
  padding: 16px;
}

.panel-block h3 {
  margin: 0 0 12px;
  font-size: 0.9rem;
}

.entity-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.entity-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.88rem;
}

.entity-list .status {
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid rgba(61, 139, 253, 0.25);
  font-size: 0.8rem;
}

.prompt-text {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.log-block {
  flex: 1;
}

.activity-log {
  margin: 0;
  min-height: 180px;
  max-height: 280px;
  overflow: auto;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: #0a0e13;
  border: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.55;
  color: #b7c5d8;
  white-space: pre-wrap;
}

@media (max-width: 1100px) {
  .app {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .content-grid,
  .stats,
  .module-grid {
    grid-template-columns: 1fr;
  }
}