:root {
  --bg: #0d1117;
  --panel: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --green: #3fb950;
  --red: #f85149;
  --purple: #bc8cff;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { width: 100%; height: 100%; overflow: hidden; background: var(--bg); }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif; color: var(--text); }
#gl { position: fixed; inset: 0; display: block; }

#hud { position: fixed; inset: 0; pointer-events: none; z-index: 5; }
#overlay { position: fixed; inset: 0; pointer-events: none; z-index: 10; }

/* HUD: small status / nav text */
.hud-corner {
  position: absolute; left: 14px; bottom: 12px;
  font-size: 11px; color: var(--muted); letter-spacing: .04em;
  user-select: none;
}
.hud-corner b { color: var(--text); font-weight: 600; }

/* DOM form cards (login/signup/new repo/file editor) */
.form-card {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: min(420px, 92vw);
  background: rgba(22, 27, 34, .96);
  border: 1px solid var(--border); border-radius: 12px;
  padding: 22px; pointer-events: auto;
  box-shadow: 0 18px 60px rgba(0,0,0,.6);
}
.form-card h2 { font-size: 18px; font-weight: 600; margin-bottom: 4px; }
.form-card .sub { font-size: 12px; color: var(--muted); margin-bottom: 16px; }
.form-card label { display: block; font-size: 12px; color: var(--muted); margin: 10px 0 4px; }
.form-card input[type=text], .form-card input[type=password], .form-card input[type=email],
.form-card textarea, .form-card select {
  width: 100%; padding: 8px 10px; font-size: 14px;
  background: #0d1117; color: var(--text);
  border: 1px solid var(--border); border-radius: 6px; outline: none;
}
.form-card input:focus, .form-card textarea:focus { border-color: var(--accent); }
.form-card textarea { min-height: 180px; resize: vertical; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
.form-card .row { display: flex; gap: 10px; align-items: center; margin-top: 14px; }
.btn {
  appearance: none; border: 1px solid var(--border); border-radius: 6px;
  padding: 7px 14px; font-size: 13px; font-weight: 600; cursor: pointer;
  background: #21262d; color: var(--text);
}
.btn:hover { border-color: var(--muted); }
.btn.primary { background: #238636; border-color: #2ea043; color: #fff; }
.btn.primary:hover { background: #2ea043; }
.btn.danger { background: transparent; border-color: var(--red); color: var(--red); }
.btn.link { background: none; border: none; color: var(--accent); padding: 4px 0; font-weight: 400; }
.form-card .err { color: var(--red); font-size: 12px; margin-top: 10px; min-height: 14px; }
.form-card .check { display: flex; gap: 8px; align-items: center; font-size: 13px; color: var(--text); margin-top: 10px; }
.form-card .check input { accent-color: var(--accent); }

/* GitKraken-style app menu bar */
#menubar {
  position: fixed; top: 0; left: 0; right: 0; height: 34px; z-index: 40;
  display: flex; align-items: center; gap: 2px;
  background: #010409; border-bottom: 1px solid var(--border);
  padding: 0 10px; user-select: none;
}
#menubar .mark { color: var(--accent); font-weight: 700; font-size: 14px; margin-right: 14px; }
#menubar .menu { position: relative; }
#menubar .menu-btn {
  background: none; border: none; color: var(--text);
  font-size: 13px; padding: 5px 11px; border-radius: 5px; cursor: pointer;
}
#menubar .menu-btn:hover, #menubar .menu.open .menu-btn { background: #21262d; }
#menubar .menu-list {
  display: none; position: absolute; top: 30px; left: 0; min-width: 210px;
  background: #161b22; border: 1px solid var(--border); border-radius: 8px;
  padding: 5px; box-shadow: 0 12px 32px rgba(0,0,0,.55); z-index: 41;
}
#menubar .menu.open .menu-list { display: block; }
#menubar .menu-item {
  display: block; width: 100%; text-align: left;
  background: none; border: none; color: var(--text);
  font-size: 13px; padding: 6px 10px; border-radius: 5px; cursor: pointer;
}
#menubar .menu-item:hover { background: #1f6feb; color: #fff; }
#menubar .menu-item.disabled { color: #484f58; cursor: default; }
#menubar .menu-item.disabled:hover { background: none; }
#menubar .menu-sep { height: 1px; background: var(--border); margin: 4px 6px; }
#menubar .menu-right { margin-left: auto; color: var(--muted); font-size: 12px; }

/* toast */
#toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  background: #21262d; border: 1px solid var(--border); color: var(--text);
  padding: 8px 16px; border-radius: 8px; font-size: 13px; z-index: 50;
  opacity: 0; transition: opacity .2s; pointer-events: none;
}
#toast.show { opacity: 1; }
#toast.bad { border-color: var(--red); color: var(--red); }