:root {
  --bg: #16181c;
  --panel: #1f232a;
  --panel-2: #262b33;
  --text: #e8eaed;
  --muted: #9aa4ae;
  --accent: #4c8fd6;
  --warn: #d67e4c;
  --scene-bg: #20242a;
  --border: #333a44;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; height: 100%;
  background: var(--bg); color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 10px 16px;
  background: var(--panel); border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
header h1 { margin: 0; font-size: 18px; }
header p { margin: 0; color: var(--muted); font-size: 13px; }

#toolbar { display: flex; gap: 8px; flex-wrap: wrap; }

.tbtn {
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 6px 12px; font-size: 13px; cursor: pointer;
}
.tbtn:hover { border-color: var(--accent); }
.tbtn.on { background: var(--accent); border-color: var(--accent); color: #fff; }

main {
  display: flex; height: calc(100% - 57px);
}

#viewport { flex: 1; min-width: 0; position: relative; }
#viewport canvas { display: block; }

#sidebar {
  width: 380px; max-width: 45vw;
  display: flex; flex-direction: column;
  background: var(--panel); border-left: 1px solid var(--border);
}

#detail { padding: 14px 16px; overflow-y: auto; flex: 1 1 55%; }
#detail h2 { margin: 0 0 6px; font-size: 17px; }
#detail h3 { margin: 14px 0 4px; font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
#detail p { margin: 6px 0; }
#detail ul, #detail ol { margin: 6px 0; padding-left: 20px; }
.value { color: var(--accent); font-weight: 600; }
.src { color: var(--muted); font-size: 13px; }
.disclaimer { color: var(--muted); font-size: 12px; border-top: 1px solid var(--border); padding-top: 8px; margin-top: 14px; }

.meta-row { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.chip {
  font-size: 12px; padding: 1px 8px; border-radius: 999px;
  border: 1px solid var(--muted); color: var(--muted);
}
.chip.ref { border-color: var(--accent); color: var(--accent); }
.chip.warn { border-color: var(--warn); color: var(--warn); }

table.volts { border-collapse: collapse; width: 100%; }
table.volts td { border-bottom: 1px solid var(--border); padding: 4px 6px; font-size: 14px; }
table.volts td:last-child { text-align: right; color: var(--accent); font-weight: 600; }

.tplist li { margin: 8px 0; cursor: pointer; }
.tplist li:hover strong { color: var(--accent); }
.tplist li span { color: var(--muted); font-size: 13px; }

#listwrap {
  flex: 1 1 45%; display: flex; flex-direction: column;
  border-top: 1px solid var(--border); min-height: 140px;
}
#search {
  margin: 10px 12px 6px; padding: 7px 10px;
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text); font-size: 14px;
}
#complist {
  list-style: none; margin: 0; padding: 0 4px 10px; overflow-y: auto;
}
#complist li {
  padding: 5px 10px; border-radius: 5px; cursor: pointer; font-size: 14px;
  display: flex; justify-content: space-between; gap: 8px;
}
#complist li:hover { background: var(--panel-2); }
#complist li span { color: var(--muted); font-size: 12px; white-space: nowrap; }

#tooltip {
  display: none; position: fixed; z-index: 30; pointer-events: none;
  background: rgba(20, 23, 28, .92); border: 1px solid var(--border);
  color: var(--text); font-size: 13px; padding: 4px 9px; border-radius: 5px;
  max-width: 280px;
}

#safety-modal {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(8, 9, 11, .78);
  display: flex; align-items: center; justify-content: center;
}
.modal-box {
  background: var(--panel); border: 1px solid var(--warn);
  border-radius: 10px; max-width: 560px; margin: 20px; padding: 22px 26px;
}
.modal-box h2 { margin-top: 0; color: var(--warn); }
.modal-box li { margin: 8px 0; }

#digitizer {
  position: fixed; left: 12px; bottom: 12px; z-index: 40;
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
  background: var(--panel); border: 1px solid var(--accent);
  border-radius: 8px; padding: 8px 12px; font-size: 13px;
}
#digitizer input, #digitizer select {
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 4px; padding: 3px 6px;
}

@media (max-width: 760px) {
  main { flex-direction: column; }
  #sidebar { width: 100%; max-width: none; height: 45%; }
}