/* HUD effects, loaded after site.css */
.hdr-tools { display: flex; gap: 8px; }
.tool {
  background: none; color: var(--muted); border: 1px solid var(--line);
  font: inherit; font-size: 11px; letter-spacing: .12em; padding: 4px 8px; cursor: pointer;
  transition: color .2s, border-color .2s;
}
.tool:hover, .tool[aria-pressed="true"] { color: var(--cyan); border-color: var(--cyan-dim); }
@media (max-width: 640px) {
  header.top .wrap { position: relative; }
  .hdr-tools { position: absolute; right: var(--gutter); top: 10px; }
}

.hud { transition: border-color .25s; }
.hud::before, .hud::after, .hud i::before, .hud i::after { transition: width .2s, height .2s, box-shadow .2s; }
.hud:hover::before, .hud:hover::after, .hud:hover i::before, .hud:hover i::after {
  width: 22px; height: 22px; box-shadow: 0 0 10px rgba(34, 211, 238, .7);
}
.fx-tilt {
  transform: perspective(800px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform .15s ease-out, border-color .25s;
  background-color: var(--panel);
  background-image:
    radial-gradient(circle at var(--mx, 50%) var(--my, 0%), rgba(34, 211, 238, .10), transparent 45%),
    linear-gradient(180deg, transparent, rgba(34, 211, 238, .14), transparent);
  background-size: 100% 100%, 100% 36%;
  background-repeat: no-repeat;
  background-position: 0 0, 0 -60%;
}
.fx-tilt:hover { animation: cardscan 1.5s linear infinite; border-color: var(--cyan-dim); }
@keyframes cardscan { from { background-position: 0 0, 0 -60%; } to { background-position: 0 0, 0 160%; } }

.reticle {
  position: fixed; left: 0; top: 0; z-index: 300; pointer-events: none;
  width: 0; height: 0; opacity: 0; transition: opacity .2s;
}
.reticle.on { opacity: 1; }
.reticle .ring {
  position: absolute; left: -17px; top: -17px; width: 34px; height: 34px; border-radius: 50%;
  border: 1px dashed rgba(34, 211, 238, .75);
  animation: spin 9s linear infinite;
  transition: transform .18s, border-color .18s;
}
.reticle .dot { position: absolute; left: -2px; top: -2px; width: 4px; height: 4px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.reticle .br { position: absolute; width: 8px; height: 8px; border: 0 solid var(--amber); opacity: 0; transition: opacity .15s, transform .18s; }
.reticle .tl { left: -20px; top: -20px; border-width: 2px 0 0 2px; }
.reticle .tr { left: 12px; top: -20px; border-width: 2px 2px 0 0; }
.reticle .bl { left: -20px; top: 12px; border-width: 0 0 2px 2px; }
.reticle .brr { left: 12px; top: 12px; border-width: 0 2px 2px 0; }
.reticle.lock .ring { transform: scale(1.5); border-color: rgba(217, 162, 58, .8); }
.reticle.lock .br { opacity: 1; }
.reticle.lock .tl { transform: translate(-6px, -6px); }
.reticle.lock .tr { transform: translate(6px, -6px); }
.reticle.lock .bl { transform: translate(-6px, 6px); }
.reticle.lock .brr { transform: translate(6px, 6px); }
.reticle.press .ring { transform: scale(.8); }

.fx-depth {
  position: fixed; inset: -80px; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(34, 211, 238, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, .05) 1px, transparent 1px);
  background-size: 160px 160px;
  background-position: 0 var(--sy, 0);
  transform: translate3d(var(--dx, 0px), var(--dy, 0px), 0);
  transition: transform .4s ease-out;
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, #000 10%, transparent 70%);
  mask-image: radial-gradient(ellipse at 50% 40%, #000 10%, transparent 70%);
}

.telemetry {
  position: fixed; left: 14px; bottom: 14px; z-index: 40; pointer-events: none;
  font-size: 10px; line-height: 1.5; letter-spacing: .1em; color: var(--cyan-dim); opacity: .75;
  border-left: 1px solid var(--line); padding-left: 8px;
}
@media (max-width: 760px) { .telemetry { display: none; } }

.reactor {
  position: fixed; right: 14px; bottom: 14px; z-index: 40;
  width: 56px; height: 56px; padding: 0; border: 0; background: rgba(5, 7, 10, .7); border-radius: 50%;
  color: var(--cyan); cursor: pointer;
  opacity: 0; transform: scale(.85); pointer-events: none; transition: opacity .25s, transform .25s;
}
.reactor.show { opacity: 1; transform: none; pointer-events: auto; }
.reactor svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.reactor .rt { fill: none; stroke: var(--line); stroke-width: 2; }
.reactor .rp { fill: none; stroke: var(--cyan); stroke-width: 2.5; stroke-linecap: round; filter: drop-shadow(0 0 4px rgba(34, 211, 238, .8)); transition: stroke-dashoffset .2s; }
.reactor .spokes { stroke: var(--cyan-dim); stroke-width: 2; transform-origin: 32px 32px; animation: spin 14s linear infinite; }
.reactor .core { fill: rgba(34, 211, 238, .12); stroke: var(--cyan-dim); stroke-width: 1; }
.reactor .rn { position: absolute; inset: 0; display: grid; place-items: center; font-size: 11px; font-weight: 500; }
.reactor:hover .core { fill: rgba(34, 211, 238, .3); }

section[id] { position: relative; }
section.scan-in::before {
  content: ''; position: absolute; left: 0; right: 0; top: 0; height: 1px; pointer-events: none;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  box-shadow: 0 0 14px var(--cyan);
  animation: secscan 1.1s ease-out forwards;
}
@keyframes secscan { from { transform: translateY(0); opacity: .9; } to { transform: translateY(260px); opacity: 0; } }

.logo canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.logo.holo img { opacity: 0; }

.diag { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.diag-card .k { display: block; color: var(--amber); font-size: 11px; letter-spacing: .18em; margin-bottom: 6px; }
.diag-card .v { font-family: 'Rajdhani', sans-serif; font-size: 28px; font-weight: 600; color: var(--cyan); letter-spacing: .04em; }
.note { color: var(--muted); font-size: 12px; margin: 18px 0 0; }

.palette {
  position: fixed; inset: 0; z-index: 400; background: rgba(2, 4, 6, .7); backdrop-filter: blur(4px);
  display: flex; justify-content: center; align-items: flex-start; padding: 12vh var(--gutter) 0;
}
.palette[hidden] { display: none; }
.pal-box { width: min(560px, 100%); background: #070b0f; padding: 0; }
.pal-in {
  width: 100%; background: transparent; border: 0; border-bottom: 1px solid var(--line); outline: 0;
  padding: 16px 18px; color: var(--text); font: inherit; font-size: 15px; caret-color: var(--cyan);
}
.pal-box ul { list-style: none; margin: 0; padding: 6px; max-height: 50vh; overflow: auto; }
.pal-box li { display: flex; justify-content: space-between; gap: 12px; padding: 9px 12px; cursor: pointer; border: 1px solid transparent; font-size: 14px; }
.pal-box li em { font-style: normal; color: var(--muted); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.pal-box li[aria-selected="true"] { border-color: var(--cyan-dim); background: rgba(34, 211, 238, .07); color: #e6f1f5; }
.pal-box li.none { color: var(--muted); cursor: default; }
.pal-hint { margin: 0; padding: 8px 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }

.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 12px); z-index: 500;
  background: #070b0f; border: 1px solid var(--cyan-dim); color: var(--cyan); padding: 8px 14px; font-size: 13px;
  opacity: 0; transition: opacity .2s, transform .2s; pointer-events: none;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (prefers-reduced-motion: reduce) {
  .fx-tilt, .fx-tilt:hover { animation: none; transform: none; }
  .reactor .spokes, section.scan-in::before, .reticle .ring { animation: none; }
}