*, *::before, *::after { box-sizing:border-box; margin:0; padding:0; }
:root {
  --bg:#0a0a0a; --surface:#141414; --border:#2a2a2a;
  --accent:#e8ff47; --text:#f0f0f0; --muted:#666;
}
html, body { width:100%; height:100%; overflow:hidden; background:#000; }
body { font-family:'DM Sans',sans-serif; display:flex; flex-direction:column; }

/* ── top nav ── */
#topnav {
  width:100%; padding:0.75rem 1.25rem; border-bottom:1px solid var(--border);
  display:flex; align-items:center; gap:1rem; background:var(--bg);
  flex-shrink:0; z-index:10;
}
#topnav.hidden { display:none; }
.back { color:var(--muted); text-decoration:none; font-size:0.8rem; letter-spacing:0.1em; text-transform:uppercase; }
.back:hover { color:var(--accent); }
.nav-title { font-family:'Bebas Neue',sans-serif; font-size:1.4rem; color:var(--accent); letter-spacing:0.1em; }
.nav-spacer { flex:1; }

/* ── shell fills remaining space ── */
#shell {
  flex:1; display:flex; align-items:center; justify-content:center;
  background:#000; position:relative; min-height:0;
}

/* ── canvas wrap ── */
#cwrap { position:relative; flex-shrink:0; }
canvas { display:block; touch-action:none; }

/* ── corner buttons (info + fullscreen) ── */
.corner-btn {
  position:absolute; width:34px; height:34px; border-radius:6px;
  background:rgba(255,255,255,0.07); border:1px solid rgba(255,255,255,0.13);
  color:rgba(255,255,255,0.5); font-size:1rem;
  display:flex; align-items:center; justify-content:center;
  cursor:pointer; z-index:20; transition:background 0.15s;
  -webkit-tap-highlight-color:transparent;
}
.corner-btn:hover, .corner-btn:active { background:rgba(255,255,255,0.18); color:#fff; }
#info-btn { top:8px; left:8px; font-size:0.95rem; font-weight:700; font-style:italic; }
#fs-btn   { top:8px; right:8px; font-size:1.05rem; }



/* ── pause overlay ── */
#pause-overlay {
  display:none; position:absolute; inset:0;
  background:rgba(0,0,0,0.88); z-index:30;
  flex-direction:column; align-items:center; justify-content:center; gap:1rem;
}
#pause-overlay.show { display:flex; }

/* ── info panel ── */
#info-panel {
  display:none; position:absolute; inset:0;
  background:rgba(0,0,0,0.94); z-index:40;
  flex-direction:column; overflow:hidden;
}
#info-panel.show { display:flex; }
.info-header {
  display:flex; align-items:center; justify-content:space-between;
  padding:1rem 1.25rem; border-bottom:1px solid var(--border); flex-shrink:0;
}
.info-title { font-family:'Bebas Neue',sans-serif; font-size:1.6rem; color:var(--accent); letter-spacing:0.1em; }
.info-close {
  width:32px; height:32px; border-radius:50%; background:var(--surface);
  border:1px solid var(--border); color:var(--muted); font-size:1.1rem;
  display:flex; align-items:center; justify-content:center; cursor:pointer;
  -webkit-tap-highlight-color:transparent;
}
.info-close:hover { color:#fff; border-color:#555; }
.info-scroll { flex:1; overflow-y:auto; padding:0.75rem 1rem; }
.pill-row {
  display:flex; align-items:center; gap:0.85rem;
  padding:0.6rem 0.5rem; border-bottom:1px solid var(--border);
}
.pill-row:last-child { border-bottom:none; }
.pill-shape {
  width:38px; height:20px; border-radius:10px; flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  font-size:12px; position:relative; overflow:hidden;
}
.pill-shine {
  position:absolute; top:2px; left:4px; right:4px; height:7px;
  border-radius:4px; background:rgba(255,255,255,0.22);
}
.pill-sym { position:relative; z-index:1; font-size:11px; }
.pill-info { flex:1; }
.pill-name { font-weight:600; font-size:0.9rem; color:var(--text); }
.pill-desc { font-size:0.75rem; color:var(--muted); margin-top:1px; line-height:1.4; }
.pill-bad .pill-name { color:#e57373; }
.info-footer {
  padding:0.75rem 1rem; border-top:1px solid var(--border);
  font-size:0.72rem; color:var(--muted); text-align:center; flex-shrink:0;
}

/* shared button */
.btn {
  background:var(--accent); color:#0a0a0a; border:none;
  padding:0.6rem 1.8rem; font-family:'Bebas Neue',sans-serif;
  font-size:1.05rem; letter-spacing:0.1em; cursor:pointer; border-radius:2px;
}
.btn:hover { opacity:0.85; }
.pause-title { font-family:'Bebas Neue',sans-serif; font-size:2.2rem; color:var(--accent); letter-spacing:0.1em; }
.pause-sub { font-size:0.82rem; color:var(--muted); }

/* ── mobile control zone ── */
#ctrl-zone {
  display:none; flex-shrink:0;
  width:100%; height:100px;
  background:#0d0d0d; border-top:1px solid #1e1e1e;
  position:relative; touch-action:none;
  align-items:center; justify-content:center;
}
#ctrl-zone.show { display:flex; }
.ctrl-hint {
  font-size:0.7rem; color:#333; letter-spacing:0.15em;
  text-transform:uppercase; pointer-events:none; user-select:none;
}
/* drag indicator line */
#ctrl-zone::before {
  content:''; position:absolute;
  left:10%; right:10%; top:50%; height:2px;
  background:linear-gradient(90deg, transparent, #2a2a2a 20%, #2a2a2a 80%, transparent);
  transform:translateY(-50%);
}
/* paddle position indicator dot */
#ctrl-dot {
  position:absolute; top:50%; width:44px; height:44px;
  border-radius:50%; border:2px solid #e8ff47;
  background:rgba(232,255,71,0.08);
  transform:translate(-50%,-50%);
  transition:left 0.05s linear;
  pointer-events:none;
}

/* ── desktop legend bar (below canvas, non-fullscreen) ── */
#legend-bar {
  display:flex; flex-wrap:wrap; gap:8px; justify-content:center;
  padding:0.5rem 1rem; background:var(--bg); flex-shrink:0;
}
#legend-bar.hidden { display:none; }
.leg-item { display:flex; align-items:center; gap:5px; font-size:0.68rem; color:var(--muted); }
.leg-pill { width:20px; height:11px; border-radius:6px; display:inline-block; }