/* ---- Wheel page layout ---- */
.wheel-nav { display: flex; gap: 4px; margin-left: 8px; }
.nav-link, .nav-active {
  font: 12px var(--mono); padding: 6px 12px; border-radius: 6px;
  text-decoration: none; color: var(--muted); cursor: pointer;
}
.nav-link:hover { color: var(--ink); text-decoration: none; }
.nav-active {
  background: var(--bg); color: var(--ink);
  box-shadow: 0 1px 2px rgba(0,0,0,.08); cursor: default;
}

/* ---- controls ---- */
.wheel-controls { position: sticky; top: 53px; z-index: 15; background: color-mix(in oklab, var(--bg) 88%, transparent); backdrop-filter: blur(8px); }
.wheel-controls .wrap { border-bottom: 1px solid var(--line); display: flex; gap: 9px; padding: 12px 22px; align-items: center; }
.wheel-controls input[type=search] { background: var(--panel); color: var(--ink); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font: 13px var(--sans); flex: 1 1 220px; min-width: 180px; }
.wheel-controls .count { margin-left: auto; font: 11px var(--mono); color: var(--faint); }

/* ---- main layout ---- */
.wheel-main { display: flex; gap: 0; min-height: calc(100vh - 120px); padding: 0; }
.wheel-area { flex: 1; display: flex; align-items: center; justify-content: center; position: relative; padding: 30px 20px; min-height: 600px; }
/* ---- sunburst ---- */
.sunburst-container { position: relative; z-index: 1; }
.sunburst-container svg { display: block; cursor: grab; user-select: none; -webkit-user-select: none; }
.sunburst-container svg:active { cursor: grabbing; }

.sunburst-arc {
  cursor: pointer;
  transition: opacity .2s, filter .15s;
  stroke: var(--bg);
  stroke-width: 1.5px;
}
.sunburst-arc:hover { filter: brightness(1.15) drop-shadow(0 0 6px rgba(0,0,0,.25)); }
.sunburst-arc.dimmed { opacity: 0.15; }
.sunburst-arc.highlighted { filter: brightness(1.1) drop-shadow(0 0 8px var(--accent)); opacity: 1; }

/* ---- center label ---- */
.center-label {
  position: absolute;
  top: 5%; left: 80%;
  transform: translate(-50%, -50%);
  text-align: center;
  pointer-events: none;
  z-index: 3;
  width: 120px; height: 120px;
  border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  transition: background .2s, box-shadow .2s;
}
.center-title { display: block; font: 400 12px var(--serif); color: var(--ink); }
.center-sub { display: block; font: 7px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--faint); margin-top: 4px; }
.center-label.has-detail {
  pointer-events: auto; cursor: pointer;
  background: var(--panel);
  /*border: 1px solid var(--line);*/
  box-shadow: 0 2px 12px var(--shadow);
  width: 140px; height: 140px;
}
.center-label.has-detail:hover { background: var(--panel-2); border-color: var(--accent); }
.center-label.has-detail .center-sub { display: block; color: var(--accent); }

.back-btn {
  position: absolute; top: 5%; left: 70%; z-index: 10;
  background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
  padding: 8px 14px; cursor: pointer; font: 12px var(--mono);
  color: var(--ink); display: none; align-items: center; gap: 6px;
  box-shadow: 0 2px 8px var(--shadow);
}
.back-btn:hover { border-color: var(--accent); color: var(--accent); }
.back-btn.visible { display: flex; }

/* ---- tooltip ---- */
.tooltip {
  position: fixed; z-index: 50;
  background: var(--panel); color: var(--ink);
  border: 1px solid var(--line); border-radius: 8px;
  padding: 8px 12px; pointer-events: none;
  font: 12px var(--sans); max-width: 260px;
  box-shadow: 0 4px 16px var(--shadow);
  transition: opacity .12s;
}
.tooltip[hidden] { display: none; }
.tooltip .tt-name { font-weight: 600; font-size: 14px; margin-bottom: 2px; }
.tooltip .tt-meta { font: 10px var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.tooltip .tt-stars { color: var(--accent); font-weight: 600; }

/* ---- detail panel ---- */
.detail-panel {
  width: 400px; flex: none;
  border-left: 1px solid var(--line);
  background: var(--bg);
  overflow-y: auto;
  position: relative; z-index: 5;
  animation: slideIn .2s ease-out;
}
.detail-panel[hidden] { display: none; }
@keyframes slideIn { from { transform: translateX(40px); opacity: 0; } to { transform: none; opacity: 1; } }

.detail-head {
  display: flex; justify-content: flex-end;
  padding: 14px 20px; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: var(--bg); z-index: 2;
}
.close {
  border: 0; background: transparent; font: 11px var(--mono);
  color: var(--muted); cursor: pointer; text-transform: uppercase;
  letter-spacing: .05em; padding: 4px 8px; border-radius: 4px;
}
.close:hover { color: var(--accent); }

.detail-body { padding: 20px; }
.d-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.d-head h2 { margin: 0; font: 400 30px/1.1 var(--serif); }
.d-rank { margin: 8px 0 0; font: 11px var(--mono); text-transform: uppercase; letter-spacing: .05em; color: var(--muted); display: flex; gap: 10px; align-items: center; }
.d-hot { color: var(--accent); border: 1px solid color-mix(in oklab, var(--accent) 45%, var(--line)); border-radius: 999px; padding: 1px 8px; }
.d-score { text-align: right; flex: none; }
.d-score b { display: block; font: 400 36px/1 var(--serif); }
.d-score span { font: 9px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--faint); }
.d-desc { margin: 18px 0 0; font-size: 14px; max-width: 520px; color: var(--ink); line-height: 1.5; }

.d-sec { margin-top: 22px; }
.d-sec h4 { margin: 0 0 10px; font: 10px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--faint); border-bottom: 1px solid var(--line); padding-bottom: 6px; }

.bar-row { display: grid; grid-template-columns: 90px 1fr 40px; align-items: center; gap: 8px; margin: 8px 0; font: 10px var(--mono); text-transform: uppercase; color: var(--muted); }
.bar-track { height: 6px; background: var(--panel-2); border-radius: 4px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--accent); border-radius: 4px; }
.bar-row b { text-align: right; color: var(--ink); font-size: 11px; }

.d-link {
  display: flex; align-items: center; gap: 8px; padding: 8px 10px;
  border: 1px solid var(--line); border-radius: 8px; margin-bottom: 6px;
  font: 11px var(--mono); color: var(--ink); background: var(--panel);
  text-decoration: none;
}
.d-link:hover { border-color: var(--accent); }
.d-link .grow { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.kv { display: flex; justify-content: space-between; gap: 10px; font: 11px var(--mono); padding: 5px 0; border-bottom: 1px solid var(--line); }
.kv span { color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.kv b { color: var(--ink); text-align: right; }

.d-foot { margin-top: 20px; font: 10px var(--mono); color: var(--faint); }

/* ---- legend ---- */
.legend {/* display: flex;*/ flex-wrap: wrap; gap: 10px 18px; padding: 16px 22px; justify-content: center; }
.legend-item { display: flex; align-items: center; gap: 6px; font: 10px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.legend-swatch { width: 10px; height: 10px; border-radius: 3px; }

/* ---- responsive ---- */
.arc-label {
  user-select: none;
  -webkit-user-select: none;
  font-weight: 500;
  font-family: var(--mono);
}
.cluster-label { font-family: var(--mono); }

@media (max-width: 900px) {
  .wheel-main { flex-direction: column; }
  .detail-panel { width: 100%; border-left: 0; border-top: 1px solid var(--line); }
  .wheel-area { min-height: 450px; }
}