* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --panel: rgba(22, 25, 31, 0.92);
  --panel-2: rgba(32, 36, 44, 0.95);
  --border: rgba(255, 255, 255, 0.09);
  --text: #d6dbe4;
  --dim: #8b94a3;
  --accent: #f0a828;
  --danger: #ff6b5a;
}

html, body { height: 100%; overflow: hidden; }

body {
  background: #23301c;
  color: var(--text);
  font-family: 'DM Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  user-select: none;
  -webkit-user-select: none;
}

#cv { position: fixed; inset: 0; display: block; cursor: crosshair; }
#cv.panning { cursor: grabbing; }
#cv.pointer { cursor: pointer; }

.hud {
  position: fixed;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  z-index: 5;
}

.hud-tl { top: 14px; left: 14px; max-width: 300px; }
.hud-tl h1 { font-size: 17px; letter-spacing: -0.3px; color: #f4f7fb; }
.hud-tl .sub { font-size: 11.5px; color: var(--dim); margin-top: 3px; line-height: 1.45; }

.legend { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 10px; margin-top: 10px; }
.legend div { display: flex; align-items: center; gap: 6px; font-size: 10.5px; color: var(--dim); }
.legend i { width: 12px; height: 8px; border-radius: 2px; display: block; flex: none; }

.hud-tr { top: 14px; right: 14px; display: flex; flex-direction: column; gap: 8px; min-width: 210px; }
.hud-tr { flex-direction: row; flex-wrap: wrap; align-items: flex-start; }
.stat { display: flex; flex-direction: column; align-items: center; min-width: 52px; }
.stat span { font-variant-numeric: tabular-nums; font-size: 17px; font-weight: 600; color: #f4f7fb; }
.stat em { font-size: 9.5px; text-transform: uppercase; letter-spacing: 0.7px; color: var(--dim); font-style: normal; }

.simrow { display: flex; flex-direction: column; gap: 6px; width: 100%; margin-top: 6px; }
.slider { display: flex; align-items: center; gap: 8px; font-size: 10px; color: var(--dim); }
.slider span { width: 52px; text-transform: uppercase; letter-spacing: 0.5px; }
.slider input { flex: 1; accent-color: var(--accent); height: 3px; }

.mini {
  align-self: flex-start; background: var(--panel-2); border: 1px solid var(--border);
  color: var(--text); width: 30px; height: 26px; border-radius: 7px; cursor: pointer; font-size: 12px;
}
.mini:hover { border-color: var(--accent); }

.hint {
  position: fixed; left: 50%; transform: translateX(-50%); bottom: 152px;
  font-size: 11.5px; color: #c3cad6; background: rgba(16, 18, 23, 0.86);
  border: 1px solid var(--border); border-radius: 20px; padding: 6px 16px;
  z-index: 5; white-space: nowrap; pointer-events: none;
}
.hint.low { bottom: 88px; }
.hint b { color: var(--accent); font-weight: 600; }

.bar {
  position: fixed; left: 50%; transform: translateX(-50%);
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; padding: 8px 10px; z-index: 6;
  backdrop-filter: blur(10px); box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}
.mainbar { bottom: 16px; }
.mainbar::before {
  content: ''; position: absolute; inset: -1px -1px auto -1px; height: 4px;
  border-radius: 14px 14px 0 0;
  background: repeating-linear-gradient(115deg, var(--accent) 0 10px, #1a1c22 10px 20px);
  opacity: 0.85;
}
.subbar { bottom: 88px; display: flex; align-items: center; gap: 12px; }
.subbar.off { display: none; }
.barlabel { font-size: 9px; text-transform: uppercase; letter-spacing: 1.2px; color: var(--dim); padding-left: 4px; }

.btns { display: flex; align-items: center; gap: 4px; }
.btns button {
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  min-width: 62px; padding: 7px 8px 6px; border-radius: 9px; cursor: pointer;
  background: transparent; border: 1px solid transparent; color: var(--dim);
  font-size: 9.5px; text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600;
  font-family: inherit; transition: color .12s, border-color .12s, background .12s;
}
.btns button i { font-size: 15px; font-style: normal; line-height: 1; }
.btns button:hover { color: var(--text); background: rgba(255, 255, 255, 0.05); }
.btns button.on { color: var(--accent); border-color: var(--accent); background: rgba(240, 168, 40, 0.09); }
.btns button.danger.on { color: var(--danger); border-color: var(--danger); background: rgba(255, 107, 90, 0.09); }
.btns button:disabled { opacity: 0.35; cursor: default; }
.sep { width: 1px; height: 30px; background: var(--border); margin: 0 6px; }

.popup {
  position: fixed; display: none; z-index: 7;
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 11px;
  padding: 10px 12px; box-shadow: 0 12px 28px rgba(0, 0, 0, 0.45); min-width: 168px;
}
.popup.on { display: block; }
.popup h3 { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; color: var(--dim); margin-bottom: 8px; font-weight: 600; }
.lrow { display: flex; align-items: center; gap: 6px; margin-bottom: 5px; font-size: 12px; }
.lrow span { flex: 1; color: var(--text); }
.lrow b { width: 18px; text-align: center; color: var(--accent); font-variant-numeric: tabular-nums; }
.lrow button {
  width: 22px; height: 22px; border-radius: 6px; cursor: pointer; font-size: 13px; line-height: 1;
  background: rgba(255, 255, 255, 0.06); border: 1px solid var(--border); color: var(--text); font-family: inherit;
}
.lrow button:hover { border-color: var(--accent); color: var(--accent); }
.tip { font-size: 10px; color: var(--dim); margin-top: 6px; line-height: 1.4; }

@media (max-width: 900px) {
  .hud-tl { max-width: 200px; }
  .legend { grid-template-columns: 1fr; }
  .btns button { min-width: 50px; font-size: 8.5px; }
  .hint { white-space: normal; max-width: 88vw; text-align: center; }
}