/* v0.21.1 public controls — a compact flight-input panel, not a gameplay rewrite. */
.ns-control-guide {
  --ns-guide-line: rgba(110, 240, 225, .34);
  --ns-guide-amber: #f2c76d;
  --ns-guide-cyan: #6ef0e1;
  position: relative;
  width: min(780px, 88vw);
  margin: 18px auto 10px;
  padding: 18px 14px 12px;
  border: 1px solid var(--ns-guide-line);
  background:
    linear-gradient(90deg, rgba(110, 240, 225, .07), transparent 22% 78%, rgba(242, 199, 109, .06)),
    rgba(3, 15, 20, .82);
  box-shadow: inset 0 1px rgba(255, 255, 255, .04), 0 12px 34px rgba(0, 0, 0, .26);
  color: #dce9e5;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

.ns-control-guide::before {
  content: "FLIGHT INPUT // 操作说明";
  position: absolute;
  left: 14px;
  top: -7px;
  padding: 0 8px;
  background: #071318;
  color: var(--ns-guide-amber);
  font: 800 8px/14px ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 1.4px;
}

.ns-control-guide__items {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.ns-control-guide__item {
  min-width: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas: "key action" "key detail";
  column-gap: 10px;
  align-items: center;
  min-height: 52px;
  padding: 8px 10px;
  border: 1px solid rgba(133, 183, 179, .2);
  background: rgba(7, 24, 29, .78);
  text-align: left;
}

.ns-control-guide kbd {
  grid-area: key;
  min-width: 42px;
  padding: 8px 9px;
  border: 1px solid rgba(110, 240, 225, .55);
  border-bottom-color: rgba(110, 240, 225, .9);
  background: linear-gradient(180deg, rgba(20, 54, 58, .95), rgba(5, 24, 29, .95));
  box-shadow: inset 0 -2px rgba(110, 240, 225, .13), 0 0 14px rgba(110, 240, 225, .08);
  color: #e8fff9;
  font: 900 11px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .4px;
  text-align: center;
  white-space: nowrap;
}

.ns-control-guide__action {
  grid-area: action;
  color: #fff0c2;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .6px;
}

.ns-control-guide__detail {
  grid-area: detail;
  margin-top: 3px;
  color: rgba(193, 215, 211, .56);
  font-size: 9px;
  line-height: 1.3;
}

.ns-control-guide__device {
  margin-top: 8px;
  color: rgba(242, 199, 109, .6);
  font: 800 8px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .8px;
  text-align: right;
}

.ns-control-guide--loadout,
.ns-control-guide--stage3 {
  width: 100%;
  margin: 20px 0 4px;
}

.ns-control-strip {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 28px;
  padding: 4px 10px;
  transform: translateX(-50%);
  border: 1px solid rgba(110, 240, 225, .18);
  background: rgba(3, 15, 22, .72);
  color: rgba(209, 231, 228, .68);
  font: 800 8px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .7px;
  white-space: nowrap;
  pointer-events: none;
  backdrop-filter: blur(6px);
}

.ns-control-strip span { display: inline-flex; align-items: center; gap: 4px; }
.ns-control-strip i { color: rgba(110, 240, 225, .25); font-style: normal; }
.ns-control-strip kbd {
  padding: 3px 5px;
  border: 1px solid rgba(242, 199, 109, .45);
  color: #f2d58d;
  font: 900 8px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
}

@media (max-width: 760px) {
  /* The stage-two loadout is taller than a phone viewport. Start it at the
     scroll origin so its heading and controls can never be centered offscreen. */
  #loadout.overlay {
    place-items: start center;
    padding: 18px 12px 28px;
  }
  #loadout > .panel { margin: 0; }
  #loadout .ns-control-guide,
  .ns-control-guide--stage3 { width: 100%; max-width: 100%; }
  .ns-control-guide { width: min(420px, 92vw); padding: 16px 9px 9px; }
  .ns-control-guide__items { grid-template-columns: 1fr; gap: 6px; }
  .ns-control-guide__item { min-height: 44px; padding: 6px 8px; }
  .ns-control-guide kbd { min-width: 54px; padding: 7px 8px; }
  .ns-control-guide__device { margin-top: 6px; text-align: center; }
  #title-screen .controls-hint { display: none; }
  .ns-control-strip {
    top: 34px;
    width: calc(100vw - 32px);
    min-height: 22px;
    gap: 6px;
    padding: 3px 6px;
    font-size: 7px;
    letter-spacing: .2px;
  }
  .ns-control-strip kbd { padding: 2px 4px; font-size: 7px; }
}

@media (max-height: 760px) and (min-width: 761px) {
  #title-screen .ns-control-guide { margin: 10px auto 4px; padding-top: 14px; }
  #title-screen .ns-control-guide__item { min-height: 44px; padding-block: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  .ns-control-strip { backdrop-filter: none; }
}