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

body {
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', 'JetBrains Mono', monospace;
  background: #0a0e1a;
  color: #c8d0e8;
  min-height: 100vh;
}

.console {
  display: grid;
  grid-template-columns: 240px 1fr 280px;
  min-height: 100vh;
}

/* Rails */
.rail {
  padding: 20px 16px;
  border-color: #1a2040;
  overflow-y: auto;
}
.rail-left {
  background: #0d1224;
  border-right: 1px solid #1a2040;
}
.rail-right {
  background: #0d1224;
  border-left: 1px solid #1a2040;
}

.rail h2 {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #5a6a9a;
  margin: 20px 0 8px;
}
.rail h2:first-child { margin-top: 0; }

.nav-item {
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  cursor: pointer;
  color: #8899cc;
}
.nav-item.active {
  background: #141c36;
  color: #a0b4ff;
  font-weight: 600;
}

.rail ul, .rail ol {
  list-style: none;
  padding: 0;
}
.rail li {
  font-size: 0.78rem;
  padding: 4px 0;
  color: #7888b0;
  line-height: 1.4;
}
.rail a {
  color: #6b8cff;
  text-decoration: none;
}
.rail a:hover { text-decoration: underline; }

.nav-links li { padding: 3px 0; }

/* Center */
.center {
  padding: 24px 32px;
  overflow-y: auto;
}

header h1 {
  font-size: 1.2rem;
  color: #e0e8ff;
  font-weight: 700;
  margin-bottom: 4px;
}

.hello {
  font-size: 0.95rem;
  color: #7b9eff;
  margin-bottom: 20px;
}

.card {
  background: #111828;
  border: 1px solid #1e2a4a;
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 16px;
}
.card h2 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #5a6a9a;
  margin-bottom: 10px;
}
.card li {
  font-size: 0.82rem;
  padding: 3px 0;
  line-height: 1.5;
}
.card ul { list-style: none; padding: 0; }
.card ol { padding-left: 18px; }

/* Terminal */
.terminal {
  background: #070b14;
  border: 1px solid #1a2040;
  border-radius: 8px;
  padding: 12px 14px;
  font-family: inherit;
  min-height: 180px;
  display: flex;
  flex-direction: column;
}
.terminal-output {
  flex: 1;
  white-space: pre-wrap;
  font-size: 0.78rem;
  color: #8899bb;
  margin-bottom: 8px;
  max-height: 300px;
  overflow-y: auto;
}
.terminal-input-row {
  display: flex;
  align-items: center;
  gap: 6px;
}
.prompt-char {
  color: #4a6aff;
  font-weight: 700;
}
.terminal-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #c8d8ff;
  font-family: inherit;
  font-size: 0.82rem;
  caret-color: #4a6aff;
}

/* Right rail extras */
.design-rule {
  margin-top: 24px;
  padding: 12px;
  background: #141c30;
  border: 1px solid #1e2a4a;
  border-radius: 8px;
}
.design-rule h2 {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #5a6a9a;
  margin-bottom: 6px;
}
.design-rule p {
  font-size: 0.76rem;
  color: #7888b0;
  line-height: 1.5;
  font-style: italic;
}

/* Security + Cost Panels */
.panel-grid.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}
.stat-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #5a6a9a;
  margin-bottom: 3px;
}
.stat-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: #c8d0e8;
}
.stat-value.status-ok { color: #4ade80; }
.stat-value.status-warn { color: #facc15; }
.stat-value.status-error { color: #f87171; }
.alert-list, .cost-breakdown {
  font-size: 0.75rem;
  color: #8898c0;
  margin-top: 8px;
}
.alert-item {
  padding: 3px 0;
  border-bottom: 1px solid #1a2040;
}
.cost-row {
  display: flex;
  justify-content: space-between;
  padding: 2px 0;
}

/* Responsive */
@media (max-width: 900px) {
  .console {
    grid-template-columns: 1fr;
  }
  .rail { display: none; }
}