:root {
  --primary:   #3F3080;
  --accent:    #655BA7;
  --cta:       #E24F36;
  --secondary: #4495AA;
  --sage:      #A7D7B1;
  --bg:        #0e0e14;
  --fg:        #f4f1ea;
  --fg-muted:  #b8b3c8;
  --border:    #2a2540;
  --font-head: "Open Sans Condensed", "Open Sans", system-ui, sans-serif;
  --font-body: "Open Sans", system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, monospace;
  --sidebar-w: 240px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
}

a { color: var(--cta); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--font-mono); }
kbd { font-family: var(--font-mono); font-size: 0.9em; padding: 0 4px; border: 1px solid var(--border); border-radius: 3px; }

h1, h2, h3 {
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--fg);
  margin-top: 0;
}

.layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

/* ---- Sidebar ---- */

.sidebar {
  background: var(--primary);
  color: var(--fg);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  border-right: 1px solid var(--border);
}
.sidebar-brand { display: flex; align-items: center; gap: 10px; color: var(--fg); }
.sidebar-brand:hover { text-decoration: none; }
.sidebar-logo { width: 32px; height: 32px; object-fit: contain; border-radius: 6px; }
.sidebar-title { font-family: var(--font-head); font-size: 22px; font-weight: 700; }
.sidebar-nav { flex: 1; }
.sidebar-group {
  font-family: var(--font-head);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--sage);
  margin: 16px 0 6px;
}
.sidebar-list { list-style: none; margin: 0; padding: 0; }
.sidebar-link { display: block; padding: 6px 10px; border-radius: 4px; color: var(--fg); font-size: 14px; }
.sidebar-link:hover { background: var(--accent); text-decoration: none; }
.sidebar-link-active { background: var(--accent); }
.sidebar-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--fg-muted);
  border-top: 1px solid var(--accent);
  padding-top: 12px;
}
.sidebar-footer a { color: var(--fg-muted); }

/* ---- Main pane ---- */

.main { padding: 32px 40px; max-width: 1200px; }

.demo-header h1 { font-size: 32px; margin-bottom: 4px; }
.demo-blurb { color: var(--fg-muted); margin: 0 0 12px; }
.demo-source-link { display: inline-block; margin-bottom: 24px; font-size: 14px; }
.demo-run { margin-bottom: 24px; }
.demo-run p { margin: 0 0 8px; color: var(--fg-muted); }
.demo-run pre, .prose pre {
  margin: 0;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.terminal-frame {
  background: var(--booba-background, #000);
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 12px;
  min-height: 480px;
  position: relative;
}
.demo-renderer-hud:hover { color: #ccc; }
#terminal { width: 100%; height: 100%; min-height: 460px; }

/* ---- Demo controls (action bar fragment) ---- */

.demo-controls { margin: 0 0 16px; }
.demo-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; justify-content: space-between; }
.demo-toolbar p { margin: 0; }
#status { color: var(--sage); }
#context { font-family: var(--font-mono); color: var(--secondary); font-size: 14px; }
.demo-controls details { margin-top: 12px; }
.demo-controls pre { white-space: pre-wrap; overflow-wrap: anywhere; font-size: 12px; }
/* booba's action-bar defaults live in @layer booba, so these plain rules win. */
.booba-action-bar { margin: 12px 0; }
.booba-action,
.demo-restart {
  min-height: 40px;
  border: 1px solid var(--accent);
  background: var(--primary);
  color: var(--fg);
  border-radius: 8px;
  padding: 8px 14px;
  font: inherit;
  cursor: pointer;
}
.booba-action:hover, .demo-restart:hover { background: var(--accent); }
.booba-action:focus-visible, .demo-restart:focus-visible { outline: 2px solid var(--sage); outline-offset: 3px; }
.booba-action:disabled, .demo-restart:disabled { opacity: 0.4; cursor: default; }
.booba-action--toggle[aria-expanded="true"] { background: var(--accent); }
.booba-action--keyboard { margin-inline-start: auto; }

/* ---- Program status bar (OSC 7501) ---- */

/* Status bar on the left, Restart on the right, directly above the terminal. */
.demo-program-row { display: flex; align-items: center; gap: 12px; margin: 0 0 12px; }
.demo-status { flex: 1; min-width: 0; }
.demo-restart { flex: none; min-height: 32px; padding: 4px 12px; font-size: 14px; }
.booba-status { font-size: 14px; color: var(--fg-muted); }
.booba-status__app { font-family: var(--font-mono); color: var(--secondary); }
.booba-status__title { font-family: var(--font-head); color: var(--fg); }
.booba-status--working .booba-status__message,
.booba-status--done .booba-status__message { color: var(--sage); }
.booba-status--blocked .booba-status__message,
.booba-status--error .booba-status__message { color: var(--cta); }
.booba-status--blocked[data-kind]::before {
  content: attr(data-kind);
  font-family: var(--font-head);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cta);
}
.booba-status__progress { width: 100%; height: 6px; accent-color: var(--secondary); }

/* ---- Landing ---- */

.hero { margin-bottom: 32px; }
.hero h1 { font-size: 56px; margin-bottom: 8px; }
.hero-tagline { font-family: var(--font-head); font-size: 22px; color: var(--secondary); margin: 0 0 16px; }
.hero-ctas { margin-top: 20px; }
.cta {
  display: inline-block;
  padding: 8px 14px;
  margin: 0 10px 8px 0;
  border-radius: 4px;
  background: var(--cta);
  color: #fff;
  font-family: var(--font-head);
}
.cta:hover { background: #c83f28; text-decoration: none; }
.cta-secondary { background: var(--secondary); }
.cta-secondary:hover { background: #357d8e; }

.features h2, .prose h2 {
  font-family: var(--font-head);
  text-transform: uppercase;
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--sage);
  margin: 32px 0 8px;
}
.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}
.feature-list a {
  display: block;
  padding: 14px 16px;
  background: #16121f;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--fg);
}
.feature-list a:hover { border-color: var(--accent); text-decoration: none; }
.feature-list strong { display: block; font-family: var(--font-head); font-size: 16px; margin-bottom: 4px; }
.feature-list span { color: var(--fg-muted); font-size: 14px; }
.prose p { max-width: 70ch; }

/* ---- Mobile menu ---- */

.menu-button {
  display: none;
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 1001;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--fg);
  font-size: 24px;
  padding: 8px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
}
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

@media (max-width: 720px) {
  .layout { grid-template-columns: 1fr; }
  .menu-button { display: flex; }
  .sidebar {
    position: fixed;
    left: calc(-1 * var(--sidebar-w));
    top: 0;
    bottom: 0;
    width: var(--sidebar-w);
    height: 100vh;
    z-index: 1000;
    overflow-y: auto;
    transition: left 0.3s ease;
  }
  .sidebar.open { left: 0; }
  .sidebar-overlay.open { display: block; }
  .main { padding: 20px; padding-top: 60px; }
  .terminal-frame { min-height: 360px; }
  #terminal { min-height: 340px; }
}