:root {
  --bg: #0b0f17;
  --surface: #121826;
  --border: #1f2937;
  --text: #e6e8ee;
  --muted: #9aa3b2;
  --accent: #22d3ee;
  --ok: #22c55e;
  --bad: #ef4444;
  font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  background: var(--bg);
  color: var(--text);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, #142039, var(--bg));
}

.app-root {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
  padding: 16px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0));
  border-radius: 14px;
}

.title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.subtitle {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}

.header-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  min-width: 160px;
}

.meta {
  font-size: 11px;
  color: var(--muted);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
}

.status-pill--ok {
  color: var(--ok);
  border-color: rgba(34,197,94,0.35);
  background: rgba(34,197,94,0.08);
}

.status-pill--bad {
  color: var(--bad);
  border-color: rgba(239,68,68,0.35);
  background: rgba(239,68,68,0.08);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  display: inline-block;
}

.status-dot--ok { background: var(--ok); box-shadow: 0 0 0 2px rgba(34,197,94,0.25); }
.status-dot--bad { background: var(--bad); box-shadow: 0 0 0 2px rgba(239,68,68,0.25); }

.panels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.panel {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 12px;
  padding: 14px;
}

.panel-title {
  margin: 0 0 12px 0;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.rows {
  display: grid;
  gap: 10px;
}

.row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  border-radius: 10px;
}

.label {
  color: var(--muted);
  font-size: 12px;
}

.value {
  color: var(--text);
  font-size: 12px;
  font-weight: 600;
  text-align: right;
}

.value.muted {
  color: var(--muted);
}

.app-shell {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0));
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.brand-title {
  font-size: 16px;
  font-weight: 700;
}

.brand-subtitle {
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
}

.nav {
  display: grid;
  gap: 8px;
}

.nav-item {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text);
  padding: 10px 12px;
  border-radius: 10px;
  text-align: left;
  font-weight: 600;
  cursor: pointer;
}

.nav-item:hover {
  border-color: var(--border);
}

.nav-item.active {
  border-color: rgba(34,211,238,0.35);
  color: var(--accent);
  background: rgba(34,211,238,0.08);
}

.sidebar-footer {
  margin-top: auto;
  display: grid;
  gap: 10px;
}

.main {
  padding: 24px;
  overflow: hidden;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.panel-sub {
  margin-top: 12px;
  font-size: 12px;
  color: var(--muted);
}

.toggle {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 700;
}

.toggle--on {
  border-color: rgba(34,197,94,0.45);
  color: var(--ok);
}

.toggle--off {
  border-color: rgba(239,68,68,0.35);
  color: var(--bad);
}

@media (max-width: 720px) {
  .app-shell {
    grid-template-columns: 1fr;
  }
  .sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
}

.chat {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chat-history {
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.15);
  border-radius: 10px;
  padding: 10px 12px;
  min-height: 180px;
  max-height: 320px;
  overflow-y: auto;
}

.chat-message {
  display: grid;
  gap: 4px;
}

.chat-message + .chat-message {
  margin-top: 10px;
}

.chat-message-role {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.chat-message-role--assistant {
  color: var(--accent);
}

.chat-message-text {
  font-size: 12px;
  color: var(--text);
}

.chat-message-time {
  font-size: 10px;
  color: var(--muted);
}

.chat-form {
  display: grid;
  gap: 8px;
}

.chat-input {
  background: rgba(0,0,0,0.15);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 10px;
  font: inherit;
  outline: none;
}

.chat-input:focus {
  border-color: rgba(34,211,238,0.4);
}

.chat-send {
  justify-self: start;
  background: rgba(34,211,238,0.08);
  border: 1px solid rgba(34,211,238,0.35);
  color: var(--accent);
  padding: 8px 12px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 700;
}

/* Quenga Designs preview ribbon + credit footer — vanilla-JS equivalent of
   the PreviewRibbon/QdCreditBar React components used elsewhere in the
   portfolio (see qd-branding.js). Colors are the studio's fixed palette,
   deliberately unthemed so it renders identically across every repo. */
.qd-bar {
  border-top: 1px solid #E7E7EA;
  padding: 11px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: #6E6E76;
}
.qd-bar a {
  color: #17171A;
  text-decoration: none;
}
.qd-bar a:hover {
  color: #B8912A;
}
.qd-ribbon {
  position: fixed;
  right: -46px;
  bottom: 34px;
  z-index: 60;
  transform: rotate(-45deg);
  background: #B8912A;
  color: #12100D;
  text-decoration: none;
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 5px 52px;
  box-shadow: 0 4px 14px -6px rgba(0,0,0,.5);
}
.qd-ribbon[hidden] {
  display: none;
}