:root {
  --bg: #000000;
  --surface: #0a0a0a;
  --surface-elevated: #121212;
  --surface-hover: #18181b;
  --border: #1f1f1f;
  --border-strong: #333333;
  --fg: #ffffff;
  --fg-secondary: #d4d4d8;
  --muted: #888888;
  --accent: #ffffff;
  --accent-fg: #000000;
  --ok: #22c55e;
  --warn: #f59e0b;
  --danger: #ef4444;
  --font-sans: -apple-system, BlinkMacSystemFont, "Inter", "SF Pro Text", system-ui, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: #000000;
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

#app {
  display: flex;
  flex-direction: column;
  width: 100vw;
  height: 100vh;
  background: #000000;
}

/* Top Workstation Bar */
.ws-topbar {
  height: 48px;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background: #000000;
  border-bottom: 1px solid var(--border);
  gap: 12px;
  z-index: 20;
}

.ws-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ws-nine-dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  color: var(--fg);
  cursor: pointer;
  font-weight: 700;
}

.ws-nine-dot:hover {
  border-color: var(--fg);
}

.ws-domain-title {
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
}

.ws-domain-host {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  color: var(--muted);
}

.ws-cmdk-btn {
  flex: 0 1 420px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
}

.ws-cmdk-btn:hover {
  border-color: var(--border-strong);
  color: var(--fg);
}

.ws-kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  color: var(--fg-secondary);
}

.ws-topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ws-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--fg-secondary);
}

.ws-dot-ok {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ok);
}

/* 3-Column Workstation Grid */
.ws-grid {
  flex: 1;
  display: grid;
  grid-template-columns: 250px 1fr 340px;
  min-height: 0;
  background: #000000;
}

.ws-rail {
  background: #000000;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow-y: auto;
  padding: 12px;
  gap: 12px;
}

.ws-stage {
  background: #000000;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow-y: auto;
}

.ws-inspector {
  background: var(--surface);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow-y: auto;
  padding: 16px;
  gap: 14px;
}

/* Reusable Workstation Primitives */
.ws-section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 4px 0;
}

.ws-nav-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ws-nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--fg-secondary);
  text-align: left;
  cursor: pointer;
  font-size: 13px;
}

.ws-nav-item:hover {
  background: var(--surface-hover);
  color: var(--fg);
}

.ws-nav-item.active {
  background: var(--fg);
  color: #000000;
  font-weight: 600;
}

.ws-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 999px;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  color: var(--fg-secondary);
}

.ws-nav-item.active .ws-badge {
  background: #000000;
  color: #ffffff;
  border-color: #000000;
}

.ws-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 34px;
  padding: 0 12px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--surface-elevated);
  color: var(--fg);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
}

.ws-btn:hover {
  border-color: var(--fg);
}

.ws-btn.primary {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
  font-weight: 600;
}

.ws-input {
  height: 36px;
  padding: 0 12px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--fg);
  font-size: 13px;
}

.ws-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
}

.ws-card:hover {
  border-color: var(--border-strong);
}

/* Modals / Command Palette / Domain Switcher */
.ws-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 90px;
  z-index: 100;
}

.ws-modal {
  width: 560px;
  max-width: 92vw;
  background: #080808;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.9);
}

.ws-domain-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: 10px;
}

.ws-domain-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--fg);
  text-decoration: none;
  cursor: pointer;
}

.ws-domain-card:hover, .ws-domain-card.active {
  border-color: #ffffff;
  background: var(--surface-elevated);
}