:root {
  --hud-bg: rgba(20, 24, 28, .82);
  --hud-fg: #f2f5f7;
  --accent: #7ec8e3;
  --warn: #ff5533;
  --ok: #69c779;
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; margin: 0; }
html, body { height: 100%; overflow: hidden; background: #0e1216; }
#scene { position: fixed; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; }
#hud { position: fixed; inset: 0; pointer-events: none; color: var(--hud-fg); }
#hud > * { pointer-events: auto; }
.hidden { display: none !important; }
#chip {
  position: absolute; top: max(10px, env(safe-area-inset-top)); left: 12px;
  background: var(--hud-bg); padding: 6px 14px; border-radius: 16px; font-size: 13px;
}
#compass {
  position: absolute; top: max(10px, env(safe-area-inset-top)); right: 12px;
  width: 44px; height: 44px; border-radius: 50%; background: var(--hud-bg);
  display: flex; align-items: center; justify-content: center; font-weight: 700;
}
#compass-needle { display: inline-block; transition: transform .1s linear; }
#nowebgl { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center;
  color: #fff; background: #1a2027; padding: 24px; text-align: center; font-size: 18px; }
#toasts { position: absolute; bottom: 84px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast { background: var(--hud-bg); padding: 8px 16px; border-radius: 8px; font-size: 13px; }
.toast.error { background: rgba(160, 40, 30, .92); }

/* ---------- toolbar ---------- */
#toolbar {
  position: absolute; bottom: max(14px, env(safe-area-inset-bottom)); left: 50%;
  transform: translateX(-50%); display: flex; gap: 6px;
  background: var(--hud-bg); padding: 8px; border-radius: 26px;
  backdrop-filter: blur(8px);
}
.tb {
  width: 44px; height: 44px; border-radius: 50%; border: none; cursor: pointer;
  background: transparent; color: var(--hud-fg); font-size: 19px; line-height: 1;
}
.tb:hover { background: rgba(255,255,255,.12); }
.tb.active { background: var(--accent); color: #08222e; }
.tb.disabled { opacity: .35; pointer-events: none; }

/* ---------- selection card ---------- */
#card {
  position: absolute; width: 340px; max-width: calc(100vw - 16px);
  padding: 14px 16px; border-radius: 12px;
  background: var(--hud-bg); backdrop-filter: blur(10px); font-size: 13px;
}
#card h3 { font-size: 14px; margin-bottom: 8px; cursor: grab;
  user-select: none; -webkit-user-select: none; touch-action: none; }
#card h3:active { cursor: grabbing; }
#card h3 .grip { opacity: .55; margin-right: 6px; font-size: 12px; }
#card .grid { display: flex; gap: 6px; margin: 6px 0; }
#card label { display: flex; align-items: center; gap: 4px; flex: 1; }
#card input[type=number], #card select {
  width: 100%; min-width: 0; background: rgba(255,255,255,.08); color: var(--hud-fg);
  border: 1px solid rgba(255,255,255,.18); border-radius: 6px; padding: 6px 6px;
  font-size: 13px;
}
#card select option { background: #232a31; color: #e8edf2; }
#card .dists { display: flex; flex-wrap: wrap; gap: 4px 10px; margin: 8px 0;
  color: #ffb3a0; font-variant-numeric: tabular-nums; }
#card .badge { display: inline-block; border-radius: 6px; padding: 3px 8px;
  margin: 2px 4px 6px 0; font-size: 12px; }
#card .badge.warn { background: rgba(200, 60, 30, .85); }
#card .unlock { display: flex; gap: 6px; margin-top: 6px; font-size: 12px; }
#card button { margin-top: 8px; width: 100%; padding: 7px; border: none;
  border-radius: 8px; background: var(--accent); color: #08222e; cursor: pointer; }

/* ---------- sun panel ---------- */
#sunpanel {
  position: absolute; bottom: 76px; left: 50%; transform: translateX(-50%);
  background: var(--hud-bg); border-radius: 12px; padding: 12px 16px;
  display: flex; gap: 14px; align-items: center; font-size: 12px;
  backdrop-filter: blur(8px);
}
#sunpanel label { display: flex; align-items: center; gap: 8px; }
#sunpanel input[type=range] { width: 130px; }
#sun-presets { display: flex; gap: 6px; }
#sun-presets button { border: none; border-radius: 8px; padding: 5px 8px; font-size: 11px;
  background: rgba(255,255,255,.12); color: var(--hud-fg); cursor: pointer; }
#sun-presets button:hover { background: var(--accent); color: #08222e; }

#sbpanel { position: absolute; bottom: 76px; left: 50%; transform: translateX(-50%);
  background: var(--hud-bg); border-radius: 12px; padding: 10px 14px;
  display: flex; gap: 10px; align-items: center; font-size: 12px; backdrop-filter: blur(8px); }
#sbpanel input { width: 52px; background: rgba(255,255,255,.08); color: var(--hud-fg);
  border: 1px solid rgba(255,255,255,.18); border-radius: 6px; padding: 4px; }
#sbpanel .sb-note { opacity: .7; }

/* ---------- vegetation panel ---------- */
#vegpanel { position: absolute; bottom: 76px; left: 50%; transform: translateX(-50%);
  background: var(--hud-bg); border-radius: 12px; padding: 10px 14px;
  display: flex; gap: 8px; align-items: center; font-size: 12px; backdrop-filter: blur(8px); }
#vegpanel button { border: none; border-radius: 8px; padding: 7px 10px; font-size: 13px;
  background: rgba(255,255,255,.12); color: var(--hud-fg); cursor: pointer; }
#vegpanel button:hover { background: rgba(255,255,255,.22); }
#vegpanel button.veg-active { background: var(--ok); color: #06250e; }
#card button.danger { background: var(--warn); color: #fff; }

/* ---------- cloud sync panel ---------- */
#cloudpanel { position: absolute; bottom: 76px; left: 50%; transform: translateX(-50%);
  background: var(--hud-bg); border-radius: 12px; padding: 10px 14px;
  display: flex; gap: 10px; align-items: center; font-size: 12px; backdrop-filter: blur(8px); }
#cloudpanel label { display: flex; align-items: center; gap: 6px; }
#cloudpanel input { width: 158px; background: rgba(255,255,255,.08); color: var(--hud-fg);
  border: 1px solid rgba(255,255,255,.18); border-radius: 6px; padding: 5px 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
#cloudpanel button { border: none; border-radius: 8px; padding: 7px 10px; font-size: 12px;
  background: rgba(255,255,255,.12); color: var(--hud-fg); cursor: pointer; }
#cloudpanel button:hover { background: rgba(255,255,255,.22); }
#cloudpanel button.danger { background: var(--warn); color: #fff; }
#cloudpanel #cloud-status { opacity: .75; white-space: nowrap; }
.code-pill { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18);
  border-radius: 8px; padding: 5px 9px; letter-spacing: .5px; user-select: all; }

/* ---------- small screens ---------- */
@media (max-width: 640px) {
  #toolbar { width: calc(100% - 16px); justify-content: space-around; border-radius: 18px; }
  #card { left: 8px !important; right: 8px; top: auto !important;
    bottom: 76px; width: auto; }
  #sunpanel { bottom: 140px; width: calc(100% - 32px); flex-wrap: wrap; }
  #sbpanel, #vegpanel, #cloudpanel { bottom: 140px; flex-wrap: wrap; }
}