:root {
  --bg: #0a0c0e;
  --panel: #11161a;
  --panel-2: #161c22;
  --ink: #d8dde3;
  --dim: #7a8088;
  --accent: #ff8c2a;
  --line: #1f262c;
  --good: #6ec18a;
  --warn: #c1936e;
  --danger: #c14c4c;
  --mono: 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }
html, body, #root { height: 100%; margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.4;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

button { font-family: var(--sans); cursor: pointer; }
input, select { font-family: var(--mono); }

.cb-root {
  display: flex; flex-direction: column;
  height: 100vh;
  background:
    radial-gradient(circle at 20% 20%, rgba(255,140,42,0.04), transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(95,179,232,0.03), transparent 40%),
    var(--bg);
}

/* ============ TOP BAR ============ */
.cb-top {
  display: flex; align-items: stretch;
  height: 56px; flex-shrink: 0;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  padding: 0 12px;
  gap: 16px;
}

.cb-brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.hamburger {
  width: 28px; height: 28px;
  background: none; border: 1px solid var(--line);
  display: flex; flex-direction: column; justify-content: center; gap: 4px;
  padding: 0 6px;
  border-radius: 2px;
}
.hamburger span { display: block; height: 1px; background: var(--ink); }
.brand-mark { color: var(--ink); display: flex; }
.brand-text { display: flex; flex-direction: column; line-height: 1; flex-shrink: 0; white-space: nowrap; }
.brand-1 { font-weight: 700; letter-spacing: 0.18em; font-size: 12px; white-space: nowrap; }
.brand-2 { font-family: var(--mono); font-size: 9px; color: var(--dim); letter-spacing: 0.1em; margin-top: 3px; white-space: nowrap; }

.cb-readout { display: flex; flex: 1; align-items: center; gap: 14px; padding: 0 8px; min-width: 0; flex-wrap: nowrap; overflow-x: auto; }
.cb-readout::-webkit-scrollbar { height: 0; }
.ro-block { display: flex; flex-direction: column; line-height: 1.1; gap: 3px; flex-shrink: 0; white-space: nowrap; }
.ro-label { font-size: 9px; letter-spacing: 0.18em; color: var(--dim); text-transform: uppercase; }
.ro-val { font-size: 13px; }
.ro-val.mono { font-family: var(--mono); font-size: 14px; }
.ro-val.accent { color: var(--accent); font-weight: 500; }
.ro-unit { font-size: 9px; color: var(--dim); letter-spacing: 0.1em; }
.ro-divider { width: 1px; background: var(--line); margin: 8px 0; }

.cb-actions { display: flex; align-items: center; gap: 8px; }

.seg.compact { flex-direction: row; gap: 0; margin: 0; }
.seg.compact button {
  background: transparent; color: var(--dim); border: 1px solid var(--line);
  padding: 6px 10px; font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.1em;
}
.seg.compact button.on { color: var(--accent); border-color: var(--accent); background: rgba(255,140,42,0.08); }
.seg.compact button:first-child { border-radius: 2px 0 0 2px; }
.seg.compact button:last-child { border-radius: 0 2px 2px 0; border-left: none; }

/* ============ BODY ============ */
.cb-body {
  display: grid;
  grid-template-columns: 320px 1fr;
  flex: 1; min-height: 0;
}
.cb-body.nosidebar { grid-template-columns: 0 1fr; }

.cb-side {
  background: var(--panel);
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column;
  min-height: 0; overflow: hidden;
}
.side-tabs { display: flex; border-bottom: 1px solid var(--line); }
.side-tabs button {
  flex: 1; background: transparent; border: none; color: var(--dim);
  padding: 12px 0; font-size: 10px; letter-spacing: 0.18em;
  border-bottom: 2px solid transparent;
}
.side-tabs button.on { color: var(--accent); border-bottom-color: var(--accent); }

.side-scroll { overflow-y: auto; padding: 12px; flex: 1; }

.cb-main { display: grid; grid-template-rows: minmax(0, 1.4fr) minmax(0, 1fr); min-width: 0; min-height: 0; height: 100%; overflow: hidden; }

/* ============ PANELS ============ */
.panel { display: flex; flex-direction: column; gap: 10px; }
.panel-h {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 10px; letter-spacing: 0.2em; color: var(--dim);
  border-bottom: 1px solid var(--line);
  padding-bottom: 6px; margin-top: 12px;
}
.panel-h:first-child { margin-top: 0; }
.panel-h.sub { color: var(--dim); margin-top: 14px; }

.profile-summary { background: var(--panel-2); padding: 10px; border: 1px solid var(--line); border-radius: 2px; }
.profile-name { font-weight: 600; font-size: 14px; }
.profile-cart { font-family: var(--mono); font-size: 11px; color: var(--accent); margin-top: 3px; }
.profile-type { font-size: 10px; color: var(--dim); letter-spacing: 0.1em; text-transform: uppercase; margin-top: 2px; }
.kv-row { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px; margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--line); }
.kv-row > div { display: flex; flex-direction: column; }
.kv-row label { font-size: 9px; color: var(--dim); letter-spacing: 0.15em; }
.kv-row span { font-family: var(--mono); font-size: 12px; }

.field { display: flex; flex-direction: column; gap: 3px; margin-bottom: 8px; }
.field label { font-size: 9px; color: var(--dim); letter-spacing: 0.15em; text-transform: uppercase; }
.field input {
  background: var(--bg); border: 1px solid var(--line); color: var(--ink);
  padding: 6px 8px; font-size: 12px; border-radius: 2px;
}
.field input:focus { outline: none; border-color: var(--accent); }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 8px; }
.field-grid .field { margin-bottom: 4px; }

.seg { display: flex; flex-direction: column; gap: 6px; margin: 8px 0; }
.seg label { font-size: 9px; color: var(--dim); letter-spacing: 0.15em; text-transform: uppercase; }
.seg-options { display: flex; gap: 4px; }
.seg-options button, .seg.vertical .seg-btn {
  flex: 1; background: transparent; color: var(--dim); border: 1px solid var(--line);
  padding: 6px; font-size: 11px; font-family: var(--mono); letter-spacing: 0.1em;
  border-radius: 2px;
}
.seg-options button.on, .seg.vertical .seg-btn.on { color: var(--accent); border-color: var(--accent); background: rgba(255,140,42,0.06); }
.seg.vertical { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 4px; }

.model-desc { font-size: 11px; color: var(--dim); padding: 8px; background: var(--panel-2); border-left: 2px solid var(--accent); border-radius: 2px; }

.row { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.ghost-btn {
  background: transparent; color: var(--dim); border: 1px solid var(--line);
  padding: 6px 10px; font-size: 10px; font-family: var(--mono); letter-spacing: 0.12em;
  border-radius: 2px;
}
.ghost-btn:hover { color: var(--ink); border-color: var(--ink); }
.ghost-btn.lg { padding: 10px 16px; font-size: 11px; background: rgba(255,140,42,0.06); color: var(--accent); border-color: var(--accent); }
.ghost-btn.lg:hover { background: rgba(255,140,42,0.12); }
.ghost-btn.small { padding: 4px 6px; font-size: 11px; }

.preset-list { display: flex; flex-direction: column; gap: 8px; }
.cart-group { display: flex; flex-direction: column; gap: 4px; }
.cart-label { font-size: 9px; color: var(--dim); letter-spacing: 0.18em; padding: 4px 0; border-bottom: 1px dashed var(--line); }
.preset-btn {
  background: var(--panel-2); border: 1px solid var(--line); color: var(--ink);
  padding: 8px 10px; text-align: left; display: grid;
  grid-template-columns: 1fr auto; gap: 2px 12px;
  border-radius: 2px;
  cursor: pointer;
}
.preset-btn .pname { font-weight: 500; font-size: 12px; }
.preset-btn .pmeta { font-family: var(--mono); font-size: 10px; color: var(--accent); text-align: right; }
.preset-btn .ptype { font-size: 9px; color: var(--dim); letter-spacing: 0.1em; grid-column: 1 / -1; text-transform: uppercase; }
.preset-btn:hover { border-color: var(--dim); }
.preset-btn.active { border-color: var(--accent); background: rgba(255,140,42,0.05); }
.custom-row { display: flex; gap: 4px; }
.custom-row .preset-btn { flex: 1; }

.slider-row { display: flex; align-items: center; gap: 10px; padding: 4px 0; }
.slider-row input[type=range] { flex: 1; accent-color: var(--accent); }
.kbd { font-family: var(--mono); font-size: 11px; letter-spacing: 0.05em; }
.kbd.dim { color: var(--dim); }

.env-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.env-field { display: flex; flex-direction: column; gap: 3px; }
.env-field.disabled { opacity: 0.4; }
.env-label { font-size: 9px; color: var(--dim); letter-spacing: 0.15em; text-transform: uppercase; }
.env-inputrow { display: flex; align-items: center; gap: 4px; background: var(--bg); border: 1px solid var(--line); padding: 0 8px; border-radius: 2px; }
.env-inputrow input { background: transparent; border: none; color: var(--ink); padding: 6px 0; flex: 1; width: 0; min-width: 0; outline: none; font-size: 12px; }
.env-suffix { font-family: var(--mono); font-size: 10px; color: var(--dim); }

.wind-clock-wrap { display: flex; gap: 14px; align-items: center; padding: 8px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 2px; }
.wind-readout { display: flex; flex-direction: column; gap: 4px; }

.reticle-card { margin-top: 8px; }

.builtin-tag, .custom-tag { font-family: var(--mono); font-size: 8px; padding: 2px 5px; margin-left: 6px; border-radius: 2px; letter-spacing: 0.1em; }
.builtin-tag { background: rgba(122,128,136,0.15); color: var(--dim); }
.custom-tag { background: rgba(255,140,42,0.12); color: var(--accent); }
.row.tight { gap: 4px; margin-top: 4px; }
.row.tight .ghost-btn { flex: 1; padding: 6px 4px; font-size: 9px; }
.filter-row { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-bottom: 8px; }
.filter-field { display: flex; flex-direction: column; gap: 2px; }
.filter-field span { font-size: 9px; color: var(--dim); letter-spacing: 0.15em; text-transform: uppercase; }
.filter-field select { background: var(--bg); border: 1px solid var(--line); color: var(--ink); padding: 6px 8px; font-family: var(--mono); font-size: 11px; border-radius: 2px; }
.filter-field select:focus { outline: none; border-color: var(--accent); }
.cart-toggle { display: flex; align-items: center; gap: 8px; width: 100%; background: transparent; border: none; padding: 6px 0; color: var(--dim); border-bottom: 1px dashed var(--line); cursor: pointer; }
.cart-toggle:hover { color: var(--ink); }
.cart-chev { font-size: 8px; color: var(--accent); width: 10px; }
.cart-name { font-size: 10px; letter-spacing: 0.18em; flex: 1; text-align: left; }
.cart-count { font-family: var(--mono); font-size: 10px; color: var(--dim); }
.empty { padding: 16px; text-align: center; color: var(--dim); font-size: 11px; font-family: var(--mono); border: 1px dashed var(--line); border-radius: 2px; }
.cant-row { display: flex; gap: 6px; align-items: stretch; margin-bottom: 8px; }
.cant-num { flex: 1; background: var(--bg); border: 1px solid var(--line); color: var(--ink); padding: 6px 8px; font-family: var(--mono); font-size: 12px; border-radius: 2px; min-width: 0; }
.cant-num:focus { outline: none; border-color: var(--accent); }
.cant-row .seg-options button { padding: 6px 10px; }
.field input[readonly] { color: var(--accent); background: var(--panel-2); }
.qcard { background: var(--panel-2); border: 1px solid var(--line); border-radius: 2px; padding: 6px; max-height: 240px; overflow-y: auto; }
.qcard-row { display: grid; grid-template-columns: 60px 1fr auto; gap: 8px; align-items: center; padding: 4px 8px; border-bottom: 1px dashed var(--line); }
.qcard-row:last-child { border-bottom: none; }
.qr-range { font-family: var(--mono); font-size: 11px; color: var(--dim); }
.qr-val { font-size: 12px; }
.qr-velm { font-size: 10px; }

/* ============ SCENE ============ */
.scene-wrap { position: relative; min-height: 0; min-width: 0; overflow: hidden; background: #000; }
.scene-host { position: absolute; inset: 0; }
.scene-host canvas { display: block; }

.overlay { position: absolute; padding: 10px; pointer-events: none; }
.overlay > * { pointer-events: auto; }
.overlay.tl { top: 12px; left: 12px; display: flex; flex-direction: column; gap: 8px; max-width: 260px; }
.overlay.tr { top: 12px; right: 12px; display: flex; flex-direction: column; gap: 6px; align-items: flex-end; }
.overlay.bl { bottom: 12px; left: 12px; }
.overlay.br { bottom: 12px; right: 12px; }

.replay-panel { background: rgba(8,9,11,0.85); backdrop-filter: blur(6px); border: 1px solid var(--line); padding: 10px 12px; border-radius: 3px; min-width: 360px; }
.replay-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; padding: 0; border: none; }
.replay-meta { font-size: 10px; color: var(--accent); }
.replay-scrub { width: 100%; -webkit-appearance: none; appearance: none; height: 4px; background: var(--line); border-radius: 2px; outline: none; }
.replay-scrub::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 12px; height: 16px; background: var(--accent); border-radius: 1px; cursor: pointer; }
.replay-scrub::-moz-range-thumb { width: 12px; height: 16px; background: var(--accent); border-radius: 1px; cursor: pointer; border: none; }
.replay-scrub:disabled::-webkit-slider-thumb { background: var(--dim); }
.replay-ticks { display: flex; justify-content: space-between; margin-top: 4px; padding: 0 4px; }
.replay-ticks span { display: block; width: 1px; height: 6px; background: var(--dim); }
.replay-ctrls { display: flex; align-items: center; gap: 6px; margin-top: 8px; }
.replay-ctrls .ghost-btn { padding: 4px 10px; font-size: 11px; min-width: 36px; }
.replay-speed { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.replay-speed input[type="range"] { width: 100px; }

.overlay-h {
  font-size: 9px; letter-spacing: 0.2em; color: var(--dim);
  padding-top: 4px; padding-bottom: 4px;
}
.cam-buttons { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.cam-buttons.wrap { grid-template-columns: repeat(2, 1fr); }
.cam-buttons button {
  background: rgba(10,12,14,0.7); backdrop-filter: blur(6px);
  border: 1px solid var(--line); color: var(--ink);
  padding: 6px 8px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em;
  border-radius: 2px;
}
.cam-buttons button.on { color: var(--accent); border-color: var(--accent); }
.cam-buttons button:hover { border-color: var(--ink); }

.hud-block {
  background: rgba(10,12,14,0.78); backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  padding: 6px 12px; min-width: 120px;
  display: flex; flex-direction: column; gap: 2px;
  border-radius: 2px;
}
.hud-label { font-size: 9px; letter-spacing: 0.18em; color: var(--dim); }
.hud-val { font-size: 16px; }
.hud-val.accent { color: var(--accent); font-weight: 500; }
.hud-val span { font-size: 9px; color: var(--dim); margin-left: 4px; }

.exa-row {
  display: flex; align-items: center; gap: 10px;
  background: rgba(10,12,14,0.78); backdrop-filter: blur(8px);
  border: 1px solid var(--line); padding: 8px 12px; border-radius: 2px;
}
.exa-row input[type=range] { width: 140px; accent-color: var(--accent); }

/* ============ CHART PANEL ============ */
.chart-panel {
  border-top: 1px solid var(--line);
  background: var(--panel);
  display: flex; flex-direction: column;
  min-height: 0; min-width: 0; overflow: hidden;
}
.chart-h { display: flex; align-items: center; justify-content: space-between; padding: 10px 16px; border-bottom: 1px solid var(--line); }
.ch-tabs { display: flex; gap: 12px; align-items: baseline; }
.ch-title { font-size: 11px; letter-spacing: 0.18em; }
.ch-sub { font-size: 10px; color: var(--dim); font-family: var(--mono); }
.ch-actions { display: flex; gap: 6px; }

.col-picker { display: flex; gap: 6px; flex-wrap: wrap; padding: 8px 16px; background: var(--panel-2); border-bottom: 1px solid var(--line); }
.col-chip { display: flex; gap: 6px; align-items: center; padding: 4px 8px; border: 1px solid var(--line); cursor: pointer; font-size: 10px; font-family: var(--mono); letter-spacing: 0.1em; border-radius: 2px; color: var(--dim); }
.col-chip.on { color: var(--accent); border-color: var(--accent); }
.col-chip input { display: none; }

.spark-wrap { padding: 6px 16px; border-bottom: 1px solid var(--line); background: var(--panel-2); }
.spark-wrap svg { width: 100%; height: 60px; display: block; }
.spark-axis { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 9px; color: var(--dim); margin-top: 2px; }

.table-scroll { flex: 1; overflow: auto; }
.data-table { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 12px; }
.data-table th { position: sticky; top: 0; background: var(--panel); text-align: right; padding: 8px 10px; font-size: 10px; letter-spacing: 0.15em; color: var(--dim); border-bottom: 1px solid var(--line); }
.data-table th:first-child { text-align: left; }
.data-table td { padding: 6px 10px; text-align: right; border-bottom: 1px solid rgba(31,38,44,0.5); }
.data-table td:first-child { color: var(--accent); text-align: left; }
.data-table tr.transonic { background: rgba(193,76,76,0.05); }
.data-table tr.subsonic { background: rgba(193,76,76,0.12); color: var(--warn); }
.th-unit { color: var(--dim); font-weight: 400; font-family: var(--mono); margin-left: 4px; font-size: 9px; }

.chart-foot { display: flex; gap: 16px; padding: 6px 16px; background: var(--panel-2); border-top: 1px solid var(--line); font-size: 10px; color: var(--dim); }
.legend { display: inline-flex; align-items: center; gap: 6px; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; }
.dot.transonic { background: rgba(193,76,76,0.4); }
.dot.subsonic { background: rgba(193,147,110,0.6); }

/* scrollbars */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--dim); }