:root {
  --bg: #000;
  --fg: #e0e0e0;
  --muted: #777;
  --accent: #39ff14;
  --panel: #111;
  --border: #2a2a2a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  min-height: 100vh;
}

.view { padding: 2rem; }
[hidden] { display: none !important; }

/* ---------- Menu ---------- */
#menu {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
  gap: 3rem;
  padding: 4rem 2rem;
}

#logo { max-width: 560px; width: 80%; height: auto; }
#logo-fallback {
  font-size: 6rem;
  letter-spacing: 0.6rem;
  margin: 0;
  color: var(--accent);
}

.menu-actions {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  width: 100%;
  max-width: 420px;
}

.big-btn {
  font-size: 1.5rem;
  padding: 1.25rem 2.5rem;
  width: 100%;
}

#continue-section { width: 100%; max-width: 480px; }
#continue-section h2 {
  font-size: 1rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.15rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
}

#program-list { list-style: none; padding: 0; margin: 0; }
#program-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 0.5rem;
  background: var(--panel);
}
#program-list .open-name {
  background: none;
  border: none;
  color: var(--fg);
  font: inherit;
  cursor: pointer;
  flex: 1;
  text-align: left;
}
#program-list .open-name:hover { color: var(--accent); }
#program-list .delete-btn {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 0 0.4rem;
}
#program-list .delete-btn:hover { color: #ff5555; }

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

/* ---------- Commands reference ---------- */
#gallery-view {
  display: flex;
  flex-direction: column;
  height: 100vh;
  padding: 1rem;
  gap: 1rem;
}
#ref-list {
  flex: 1;
  overflow: auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  align-content: start;
}
.ref-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  padding: 1rem;
}
.ref-syntax {
  display: block;
  color: var(--accent);
  font-size: 1.05rem;
  font-weight: bold;
}
.ref-desc { margin: 0.6rem 0; color: var(--fg); }
.ref-example {
  display: block;
  color: var(--muted);
  background: #000;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.5rem 0.7rem;
  font-size: 0.85rem;
}
.ref-note {
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-top: 0.8rem;
  margin: 0;
}
.ref-note code { color: var(--accent); }

/* ---------- Buttons ---------- */
button {
  background: var(--panel);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem 1rem;
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}
button:hover { border-color: var(--accent); color: var(--accent); }
button.primary, button.big-btn {
  border-color: var(--accent);
  color: var(--accent);
}
button.primary:hover, button.big-btn:hover {
  background: var(--accent);
  color: #000;
}

/* ---------- Editor ---------- */
#editor-view {
  display: flex;
  flex-direction: column;
  height: 100vh;
  padding: 1rem;
  gap: 1rem;
}

.editor-header {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.program-name {
  flex: 1;
  color: var(--accent);
  font-weight: bold;
}
.editor-buttons { display: flex; gap: 0.5rem; }

.panes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  flex: 1;
  min-height: 0;
}
.pane { display: flex; flex-direction: column; min-height: 0; }
.pane-label {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1rem;
  font-size: 0.75rem;
  margin-bottom: 0.4rem;
}

#code, #output {
  flex: 1;
  background: var(--panel);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  font-family: inherit;
  font-size: 0.95rem;
  resize: none;
  overflow: auto;
  white-space: pre-wrap;
  margin: 0;
}
#code:focus { outline: none; border-color: var(--accent); }
#output { color: var(--accent); }