:root {
  --bg: #0a0d11; --panel: #10141a; --line: #232a33;
  --text: #e6e9ec; --muted: #8a93a0; --mint: #6fe8c8; --red: #ff4030;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0; color: var(--text); font-family: var(--mono);
  min-height: 100vh; overflow-x: hidden;
}
#static {
  position: fixed; inset: 0; width: 100vw; height: 100vh;
  z-index: 0; opacity: .16; pointer-events: none;
}
.scanlines {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background: repeating-linear-gradient(0deg,
    rgba(0,0,0,.22) 0 1px, transparent 1px 3px);
}
.vignette {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(ellipse at center,
    transparent 55%, rgba(0,0,0,.55) 100%);
}
main { position: relative; z-index: 2; }
#power-screen[hidden], #set[hidden] { display: none; }

/* power screen */
#power-screen {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; min-height: 100vh; gap: 2rem;
}
#power {
  background: var(--panel); border: 1px solid var(--line); color: var(--mint);
  font-family: var(--mono); font-size: 1.1rem; letter-spacing: .2em;
  width: 130px; height: 130px; border-radius: 50%; cursor: pointer;
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: .6rem;
}
#power:hover, #power:focus-visible { border-color: var(--mint); outline: none; }
.power-ring {
  width: 26px; height: 26px; border: 2px solid var(--mint);
  border-radius: 50%; position: relative;
}
.power-ring::after {
  content: ""; position: absolute; left: 50%; top: -7px; width: 2px;
  height: 12px; background: var(--mint); transform: translateX(-50%);
}
.power-hint { color: var(--muted); font-size: .8rem; }

/* the set */
#set { max-width: 860px; margin: 0 auto; padding: 2.2rem 1.2rem 4rem; }
header { text-align: center; margin-bottom: 1.6rem; }
.tag {
  color: var(--mint); font-size: clamp(2rem, 7vw, 3.4rem); margin: 0;
  letter-spacing: .06em; text-shadow: 0 0 18px rgba(111,232,200,.35);
  animation: flicker 7s infinite;
}
@keyframes flicker {
  0%, 97%, 100% { opacity: 1; } 97.5% { opacity: .6; } 98% { opacity: 1; }
  98.5% { opacity: .75; } 99% { opacity: 1; }
}
.sub { color: var(--muted); letter-spacing: .25em; font-size: .75rem; }

.panel {
  background: rgba(16,20,26,.88); border: 1px solid var(--line);
  border-radius: 4px; padding: 1.1rem 1.2rem; margin-top: 1.2rem;
}
.panel h2 {
  font-size: .78rem; letter-spacing: .3em; color: var(--muted);
  margin: 0 0 .9rem; font-weight: 400;
}

/* tuner */
.readout {
  display: flex; align-items: baseline; gap: .6rem; justify-content: center;
  font-variant-numeric: tabular-nums;
}
#freq { font-size: 3rem; color: var(--mint); letter-spacing: .04em; }
.unit { color: var(--muted); }
#dial { width: 100%; height: auto; cursor: ew-resize; touch-action: none; }
.hint { text-align: center; color: var(--muted); font-size: .72rem; margin: .2rem 0 0; }

/* roster */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: .7rem; }
.card {
  border: 1px solid var(--line); border-radius: 3px; padding: .7rem .5rem;
  text-align: center; color: var(--muted); background: rgba(10,13,17,.6);
}
.card .f { color: var(--text); font-size: 1.05rem; }
.card.dead .glyph { font-size: 1.6rem; opacity: .45; display: block; margin: .35rem 0; }
.card img { width: 100%; border-radius: 2px; display: block; margin: .35rem 0; }
.card .n { font-size: .68rem; letter-spacing: .12em; }
.card.restored { border-color: var(--mint); color: var(--text); }

/* keypad */
.code-display {
  display: flex; gap: .5rem; justify-content: center; margin-bottom: 1rem;
  font-size: 1.5rem; color: var(--mint); min-height: 2rem;
}
.code-display span {
  width: 1.6rem; border-bottom: 2px solid var(--line); text-align: center;
}
.code-display span.filled { border-color: var(--mint); }
.keypad {
  display: grid; grid-template-columns: repeat(3, 76px); gap: .55rem;
  justify-content: center;
}
.keypad button {
  background: var(--panel); border: 1px solid var(--line); border-radius: 3px;
  color: var(--text); font-family: var(--mono); padding: .55rem 0;
  cursor: pointer; display: flex; flex-direction: column; align-items: center;
}
.keypad button:hover, .keypad button:focus-visible {
  border-color: var(--mint); outline: none;
}
.keypad button .d { font-size: 1.15rem; }
.keypad button .l { font-size: .55rem; color: var(--muted); letter-spacing: .18em; min-height: .7em; }
.deny {
  text-align: center; color: var(--red); font-size: .78rem;
  letter-spacing: .2em; min-height: 1.1em; margin: .8rem 0 0;
}
.shake { animation: shake .3s; }
@keyframes shake {
  0%,100% { transform: translateX(0); } 25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

.countdown { text-align: center; font-size: 1.6rem; color: var(--mint); }

footer { text-align: center; margin-top: 2.4rem; color: var(--muted); }
footer p { letter-spacing: .3em; font-size: .8rem; }
.fine { font-size: .62rem; opacity: .55; letter-spacing: .18em; }

@media (prefers-reduced-motion: reduce) {
  .tag { animation: none; }
  #static { opacity: .08; }
}