:root {
  --bg: #0b0e14;
  --panel: #11151f;
  --line: #1f2735;
  --fg: #d7dee9;
  --dim: #7c8798;
  --accent: #6ea8fe;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg); color: var(--fg);
  font: 13px/1.5 ui-sans-serif, "Segoe UI", system-ui, sans-serif;
  overflow: hidden;
}
#app { display: flex; height: 100vh; }

/* ---------------------------------------------------------------- sidebar */
#side {
  width: 320px; flex: 0 0 320px; height: 100%;
  background: var(--panel); border-right: 1px solid var(--line);
  overflow-y: auto; padding: 18px 16px 40px;
}
#side header h1 { margin: 0; font-size: 17px; letter-spacing: .2px; }
.sub { margin: 4px 0 0; color: var(--dim); font-size: 11.5px; }
.ctrl { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 14px; }
.ctrl > label {
  display: block; font-size: 11px; text-transform: uppercase;
  letter-spacing: .08em; color: var(--dim); margin-bottom: 7px;
}
.ctrl label input { margin-left: 6px; vertical-align: -1px; accent-color: var(--accent); }
.ctrl > label:has(input) { text-transform: none; letter-spacing: 0; font-size: 12.5px; color: var(--fg); }

.seg { display: flex; gap: 6px; }
.segbtn {
  flex: 1; padding: 6px 0; background: #171d2a; color: var(--dim);
  border: 1px solid var(--line); border-radius: 5px; cursor: pointer; font: inherit;
}
.segbtn.active { background: #24344f; color: #fff; border-color: #3c557f; }

#search {
  width: 100%; padding: 7px 9px; background: #171d2a; color: var(--fg);
  border: 1px solid var(--line); border-radius: 5px; font: inherit;
}
#search:focus { outline: none; border-color: var(--accent); }

.legendhead { display: flex; justify-content: space-between; align-items: baseline; }
.mini {
  background: none; border: 1px solid var(--line); color: var(--dim);
  border-radius: 4px; font: inherit; font-size: 11px; padding: 1px 7px; cursor: pointer;
}
#legend { list-style: none; margin: 0; padding: 0; }
#legend li {
  display: flex; align-items: center; gap: 8px; padding: 4px 6px;
  border-radius: 4px; cursor: pointer; user-select: none;
}
#legend li:hover { background: #182031; }
#legend li.off { opacity: .32; }
#legend .sw { width: 10px; height: 10px; border-radius: 2px; flex: 0 0 10px; }
#legend .nm { flex: 1; font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#legend .ct { color: var(--dim); font-size: 11px; font-variant-numeric: tabular-nums; }

#detail { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 14px; }
.hint { color: var(--dim); font-size: 11.5px; margin: 0; }
#detail h2 { font-size: 13px; margin: 0 0 2px; word-break: break-all; }
#detail .meta { color: var(--dim); font-size: 11.5px; margin: 0 0 10px; word-break: break-all; }
#detail pre {
  background: #0a0d13; border: 1px solid var(--line); border-radius: 5px;
  padding: 9px; font-size: 11px; line-height: 1.45; margin: 0;
  max-height: 260px; overflow: auto; white-space: pre-wrap; word-break: break-word;
}
#detail .tag {
  display: inline-block; padding: 1px 7px; border-radius: 999px;
  font-size: 11px; margin: 0 5px 5px 0; background: #1b2436;
}

/* ------------------------------------------------------------------ stage */
#stage { flex: 1; position: relative; min-width: 0; }
#cv { display: block; width: 100%; height: 100%; cursor: grab; }
#cv.drag { cursor: grabbing; }
#tip {
  position: absolute; pointer-events: none; background: #0a0d13ee;
  border: 1px solid var(--line); border-radius: 5px; padding: 5px 8px;
  font-size: 11.5px; max-width: 320px; transform: translate(12px, 12px);
}
#tip .f { color: var(--dim); font-size: 10.5px; }
#hud {
  position: absolute; left: 12px; bottom: 10px; color: var(--dim);
  font-size: 11px; pointer-events: none; font-variant-numeric: tabular-nums;
}