@font-face { font-family: "DSEG7"; src: url(fonts/dseg7.woff2) format("woff2"); font-weight: 700; font-display: block; }
@font-face { font-family: "Black Ops One"; src: url(fonts/black-ops-one.woff2) format("woff2"); font-display: swap; }
@font-face { font-family: "Share Tech Mono"; src: url(fonts/share-tech-mono.woff2) format("woff2"); font-display: swap; }
@font-face { font-family: "Saira Condensed"; src: url(fonts/saira-condensed-500.woff2) format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Saira Condensed"; src: url(fonts/saira-condensed-700.woff2) format("woff2"); font-weight: 700; font-display: swap; }

:root {
  --f-seg: "DSEG7", ui-monospace, monospace;
  --f-stencil: "Black Ops One", Impact, sans-serif;
  --f-mono: "Share Tech Mono", ui-monospace, Menlo, monospace;
  --f-panel: "Saira Condensed", "Arial Narrow", sans-serif;
  --body: #1b1d1a;
  --shell: #2a2d28;
  --shell-edge: #3a3e37;
  --text: #e8e6df;
  --muted: #9a9b92;
  --lcd: #b9c9a0;
  --lcd-ink: #1f2a17;
  --accent: #f2a33a;
  --tx: #e5483a;
  --rx: #4cc46a;
  --busy: #f2c53a;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--body);
  color: var(--text);
  font: 500 16px/1.4 var(--f-panel);
  -webkit-tap-highlight-color: transparent;
}

.radio {
  max-width: 420px;
  min-height: 100%;
  min-height: 100dvh;
  margin: 0 auto;
  padding: max(16px, env(safe-area-inset-top)) 16px max(16px, env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.top { display: flex; justify-content: space-between; align-items: center; }
.brand {
  font: 26px/1 var(--f-stencil); letter-spacing: .12em; color: var(--accent);
  text-shadow: 0 2px 0 rgba(0,0,0,.6), 0 0 12px rgba(242,163,58,.25);
}
.led { width: 12px; height: 12px; border-radius: 50%; background: #444; box-shadow: inset 0 0 2px #000; }
.led.on { background: var(--rx); box-shadow: 0 0 8px var(--rx); }
.led.tx { background: var(--tx); box-shadow: 0 0 10px var(--tx); }
.led.err { background: var(--tx); }

.power { display: flex; flex-direction: column; gap: 16px; margin-top: 15vh; }
.field {
  display: flex; flex-direction: column; gap: 6px; color: var(--muted);
  font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: .14em;
}
input:not([type]) {
  font: 20px var(--f-mono); text-transform: uppercase; letter-spacing: .08em;
  padding: 12px 14px; border-radius: 10px;
  border: 1px solid var(--shell-edge); background: var(--shell); color: var(--text);
}
.btn-power {
  font: 22px var(--f-stencil); letter-spacing: .14em; text-transform: uppercase;
  padding: 16px; border: 0; border-radius: 12px;
  background: var(--accent); color: #1b1d1a;
  box-shadow: 0 5px 0 #a8681c, 0 8px 16px rgba(0,0,0,.5);
}
.btn-power:active { transform: translateY(4px); box-shadow: 0 1px 0 #a8681c; }
.btn-install {
  background: none; color: var(--accent); border: 1px solid var(--accent); border-radius: 10px;
  padding: 12px; font: 700 16px var(--f-panel); letter-spacing: .1em; text-transform: uppercase; cursor: pointer;
}
.btn-install[hidden], .hint[hidden] { display: none; }
.hint { color: var(--muted); font: 14px var(--f-mono); margin: 0; text-align: center; }

.rig { display: flex; flex-direction: column; gap: 16px; flex: 1; }
.rig[hidden], .power[hidden], .range[hidden] { display: none; }

.lcd {
  background: var(--lcd); color: var(--lcd-ink); border-radius: 10px; padding: 12px 14px;
  font-family: var(--f-mono); text-transform: uppercase;
  box-shadow: inset 0 2px 6px rgba(0,0,0,.35);
}
.lcd-row { display: flex; align-items: baseline; gap: 10px; }
.lcd-row.small { justify-content: space-between; font-size: 14px; margin-top: 6px; }
.lcd-label { font-size: 15px; }
/* Dígitos de 7 segmentos con los segmentos apagados de fondo, como en un LCD real */
.seg { position: relative; font-family: var(--f-seg); font-weight: 700; font-style: normal; line-height: 1; }
.seg::before {
  content: attr(data-ghost); position: absolute; right: 0; top: 0;
  color: var(--lcd-ink); opacity: .1;
}
.lcd-ch { font-size: 46px; }
.lcd-mhz { margin-left: auto; font-size: 20px; }
.lcd-status { margin-top: 8px; font-size: 17px; letter-spacing: .06em; min-height: 1.4em; }

.tuner {
  --cell: 56px;
  position: relative; height: 72px; overflow: hidden; border-radius: 12px;
  background: linear-gradient(#141613, #23261f 50%, #141613);
  border: 1px solid var(--shell-edge);
  box-shadow: inset 0 3px 8px rgba(0,0,0,.6);
  touch-action: none; cursor: grab; user-select: none; -webkit-user-select: none;
  outline: none;
}
.tuner:focus-visible { border-color: var(--accent); }
.tuner.grabbing { cursor: grabbing; }
/* Sombreado en los bordes para dar sensación de tambor que gira */
.tuner::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(90deg, rgba(20,22,19,.95), transparent 30%, transparent 70%, rgba(20,22,19,.95));
}
.tape {
  position: absolute; top: 0; bottom: 0; left: 0;
  display: flex; will-change: transform;
  /* Rayas menores cada cuarto de canal */
  background: repeating-linear-gradient(90deg, #6d7064 0 1px, transparent 1px calc(var(--cell) / 4))
    0 0 / auto 12px no-repeat;
  background-position: 0 6px;
}
.tick {
  flex: 0 0 var(--cell); position: relative;
  display: flex; align-items: flex-end; justify-content: center; padding-bottom: 10px;
  font: 16px var(--f-mono); color: var(--muted);
}
.tick::before {
  content: ""; position: absolute; left: 0; top: 6px; width: 2px; height: 22px; background: var(--text);
  transform: translateX(-1px);
}
.tick span { transform: translateX(calc(var(--cell) / -2)); }
.tick.on { color: var(--accent); }
.needle {
  position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; transform: translateX(-1px);
  background: var(--tx); box-shadow: 0 0 8px var(--tx); pointer-events: none; z-index: 1;
}
.needle::before {
  content: ""; position: absolute; top: 0; left: -6px;
  border: 7px solid transparent; border-top-color: var(--tx);
}

/* Rótulos serigrafiados en el chasis */
.range, .counts, .knob-label, .plate-title, .toggle {
  font-size: 14px; font-weight: 700; color: var(--muted);
  text-transform: uppercase; letter-spacing: .14em;
}
.range b { color: var(--text); font: 15px var(--f-mono); letter-spacing: .04em; margin-left: 6px; }
input[type=range] { width: 100%; accent-color: var(--accent); }

/* --- Engranaje y panel avanzado --- */
.radio { position: relative; }
.top-right { display: flex; align-items: center; gap: 14px; }
.gear {
  display: grid; place-items: center; width: 40px; height: 40px; padding: 0;
  border: 0; border-radius: 50%; background: none; color: var(--muted); cursor: pointer;
  transition: transform .3s, color .2s;
}
.gear[hidden] { display: none; }
.gear[aria-expanded="true"] { transform: rotate(90deg); color: var(--accent); }

.adv-panel {
  position: absolute; z-index: 10; left: 16px; right: 16px; top: 64px;
  max-height: calc(100dvh - 80px); overflow-y: auto; overscroll-behavior: contain;
  padding: 18px 18px 20px; border-radius: 14px;
  display: flex; flex-direction: column; gap: 14px;
  background:
    repeating-linear-gradient(90deg, rgba(255,255,255,.025) 0 1px, transparent 1px 3px),
    linear-gradient(#34372f, #26291f);
  border: 1px solid var(--shell-edge);
  box-shadow: 0 18px 40px rgba(0,0,0,.7), inset 0 1px 0 rgba(255,255,255,.08);
  animation: drop .18s ease-out;
}
.adv-panel[hidden] { display: none; }
@keyframes drop { from { opacity: 0; transform: translateY(-8px); } }
.plate-title { font: 18px var(--f-stencil); letter-spacing: .14em; color: var(--accent); }

/* Interruptor de palanca */
.toggle { display: flex; align-items: center; gap: 14px; cursor: pointer; letter-spacing: .08em; }
.toggle input { position: absolute; opacity: 0; pointer-events: none; }
.lever {
  position: relative; flex: 0 0 34px; height: 52px; border-radius: 8px;
  background: linear-gradient(#1a1c18, #23261f);
  box-shadow: inset 0 2px 5px rgba(0,0,0,.8), 0 1px 0 rgba(255,255,255,.06);
}
/* tuerca */
.lever::before {
  content: ""; position: absolute; left: 50%; top: 50%; width: 18px; height: 18px; margin: -9px;
  border-radius: 50%; background: radial-gradient(circle, #555850 35%, #8c8f84 40%, #4a4c45 70%);
}
/* palanca metálica: abajo = apagado, arriba = encendido */
.lever::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 9px; height: 22px; margin-left: -4.5px;
  border-radius: 5px; background: linear-gradient(90deg, #8d9086, #eceee6 45%, #7a7d73);
  box-shadow: 0 3px 4px rgba(0,0,0,.6);
  transform-origin: 50% 0; transform: rotate(0deg);
  transition: transform .12s;
}
.toggle input:checked + .lever::after { transform: rotate(180deg); }
.toggle input:checked ~ span:last-child { color: var(--text); }
.toggle input:focus-visible + .lever { outline: 2px solid var(--accent); outline-offset: 2px; }

/* --- Canal + alcance en una fila --- */
.dials { display: flex; align-items: stretch; gap: 10px; }
.dial-unit { flex: 1; min-width: 0; display: flex; flex-direction: column; align-items: center; gap: 2px; }
.dial-unit .tuner { width: 100%; }
.tuner-wrap { flex: 1; width: 100%; display: flex; align-items: center; }
/* Modo avanzado: dos perillas, el dial pasa a su propia fila */
.dials:has(#knobRx:not([hidden])) { flex-direction: column; gap: 14px; }
.dials:has(#knobRx:not([hidden])) .tuner-wrap { flex: none; }
.dials:has(#knobRx:not([hidden])) .knob-dial { --kd: 140px; }

/* --- Perillas de alcance --- */
.knobs { display: flex; justify-content: center; gap: 4px; }
.knob-unit { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.knob-unit[hidden] { display: none; }
.knob-dial { --kd: 132px; position: relative; width: var(--kd); height: var(--kd); touch-action: none; }
/* pozo hundido alrededor de la perilla */
.knob-dial::before {
  content: ""; position: absolute; inset: calc(var(--kd) * .192); border-radius: 50%;
  background: #141512; box-shadow: inset 0 3px 8px rgba(0,0,0,.9), 0 1px 0 rgba(255,255,255,.05);
}
.k-tick { position: absolute; inset: calc(var(--kd) * .103); pointer-events: none; }
.k-tick::before {
  content: ""; position: absolute; left: 50%; top: 0; width: 2px; height: calc(var(--kd) * .045); margin-left: -1px;
  background: var(--muted);
}
.k-tick.on::before { background: var(--accent); box-shadow: 0 0 6px var(--accent); }
.k-label {
  position: absolute; transform: translate(-50%, -50%); pointer-events: none;
  font: max(8px, calc(var(--kd) * .064)) var(--f-mono); color: var(--muted); white-space: nowrap;
}
.k-label.on { color: var(--accent); }
.knob {
  --rot: -135deg;
  position: absolute; inset: calc(var(--kd) * .231); border-radius: 50%; cursor: grab; outline: none;
  transform: rotate(var(--rot)); transition: transform .08s;
  /* faldón moleteado */
  background:
    repeating-conic-gradient(#2a2c26 0 4deg, #5b5e55 4deg 6deg, #2a2c26 6deg 10deg);
  box-shadow: 0 8px 14px rgba(0,0,0,.7), 0 2px 0 #0d0e0c;
}
.knob:focus-visible { box-shadow: 0 0 0 2px var(--accent), 0 8px 14px rgba(0,0,0,.7); }
/* tapa de aluminio cepillado */
.knob::before {
  content: ""; position: absolute; inset: calc(var(--kd) * .045); border-radius: 50%;
  background:
    repeating-radial-gradient(circle, rgba(0,0,0,.05) 0 1px, transparent 1px 2px),
    conic-gradient(from 20deg, #d9dbd2, #8d9086, #f2f3ee, #7d8076, #cfd1c8, #8a8d83, #d9dbd2);
  box-shadow: inset 0 1px 1px rgba(255,255,255,.6), inset 0 -2px 3px rgba(0,0,0,.35), 0 1px 2px rgba(0,0,0,.6);
}
/* marca indicadora */
.knob::after {
  content: ""; position: absolute; left: 50%; top: calc(var(--kd) * .07); width: 4px; height: calc(var(--kd) * .128); margin-left: -2px;
  border-radius: 2px; background: var(--tx); box-shadow: 0 0 4px rgba(229,72,58,.6);
}
.knob-val { font: 16px var(--f-mono); color: var(--text); text-transform: uppercase; }

#peerList { list-style: none; margin: 6px 0 0; padding: 0; font: 15px var(--f-mono); text-transform: uppercase; }
#peerList li { display: flex; justify-content: space-between; padding: 4px 0; border-bottom: 1px solid var(--shell); }
#peerList li.talking { color: var(--rx); font-weight: 700; }

/* --- Carcasa del botón: panel hundido con tornillos en las esquinas --- */
.housing {
  --screw: radial-gradient(circle, #8a8c80 0 2px, #4b4d45 3px 4px, #111 5px, transparent 6px);
  margin-top: auto;
  position: relative;
  padding: 28px 22px 14px;
  border-radius: 22px;
  background:
    var(--screw) 6px 6px / 16px 16px no-repeat,
    var(--screw) calc(100% - 6px) 6px / 16px 16px no-repeat,
    var(--screw) 6px calc(100% - 6px) / 16px 16px no-repeat,
    var(--screw) calc(100% - 6px) calc(100% - 6px) / 16px 16px no-repeat,
    linear-gradient(#1a1c18, #23261f);
  box-shadow: inset 0 4px 10px rgba(0,0,0,.7), inset 0 -1px 0 rgba(255,255,255,.05), 0 1px 0 rgba(255,255,255,.04);
  display: flex; flex-direction: column; align-items: center; gap: 14px;
}

.lamps { position: absolute; top: 10px; right: 30px; display: flex; gap: 12px; }
.lamp {
  display: flex; align-items: center; gap: 5px;
  font: 11px var(--f-mono); letter-spacing: .12em; color: #5d6056;
}
.lamp::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: #33352f; box-shadow: inset 0 1px 2px rgba(0,0,0,.8);
}
.housing:has(.ptt.tx) .lamp-tx::before { background: var(--tx); box-shadow: 0 0 8px 2px var(--tx); }
.housing:has(.ptt.rx) .lamp-rx::before { background: var(--rx); box-shadow: 0 0 8px 2px var(--rx); }
.housing:has(.ptt.busy) .lamp-tx::before { background: var(--busy); box-shadow: 0 0 8px 2px var(--busy); }

/* --- El botón: plástico viejo con grano y algo de desgaste --- */
.ptt {
  --grain: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='g'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 .45 0'/></filter><rect width='100%' height='100%' filter='url(%23g)'/></svg>");

  position: relative;
  width: 70%; aspect-ratio: 2;
  border: 0; border-radius: 26px / 30px;
  cursor: pointer;
  background:
    /* algún rayajo suelto */
    linear-gradient(112deg, transparent 22%, rgba(255,255,255,.05) 22.3%, transparent 22.8%),
    linear-gradient(104deg, transparent 71%, rgba(255,255,255,.04) 71.2%, transparent 71.6%),
    var(--grain),
    /* zona central pulida por el pulgar */
    radial-gradient(ellipse 45% 40% at 50% 48%, rgba(255,255,255,.11), transparent 70%),
    /* pintura algo más clara en los bordes, rozada por el uso */
    radial-gradient(ellipse 120% 110% at 50% 50%, transparent 62%, rgba(255,255,255,.06) 75%, transparent 85%),
    linear-gradient(170deg, #545849, #3a3d33 55%, #2c2e27);
  box-shadow:
    0 7px 0 #141512,
    0 12px 20px rgba(0,0,0,.65),
    inset 0 2px 0 rgba(255,255,255,.14),
    inset 0 -4px 8px rgba(0,0,0,.45),
    inset 0 0 0 1px rgba(0,0,0,.5);
  transition: transform .06s, box-shadow .06s;
  user-select: none; -webkit-user-select: none; touch-action: none;
  display: flex; align-items: center; justify-content: center;
}
/* Reborde moldeado en el plástico */
.ptt::before {
  content: ""; position: absolute; inset: 12px; border-radius: 18px / 22px; pointer-events: none;
  border: 2px solid rgba(0,0,0,.32);
  box-shadow: 0 1px 0 rgba(255,255,255,.08), inset 0 1px 0 rgba(255,255,255,.06);
}
.engrave {
  font: 900 clamp(14px, 4.6vw, 19px)/1 "Arial Black", "Helvetica Neue", sans-serif;
  letter-spacing: .24em; margin-right: -.24em;
  color: rgba(22,23,19,.82);
  text-shadow: 0 1px 0 rgba(255,255,255,.16), 0 -1px 1px rgba(0,0,0,.7);
}

.ptt.down {
  transform: translateY(6px);
  box-shadow:
    0 1px 0 #141512,
    0 3px 8px rgba(0,0,0,.6),
    inset 0 2px 0 rgba(255,255,255,.08),
    inset 0 -2px 6px rgba(0,0,0,.5),
    inset 0 0 0 1px rgba(0,0,0,.5);
}
.ptt.tx { box-shadow: 0 1px 0 #141512, 0 0 26px rgba(229,72,58,.45), inset 0 0 0 1px rgba(0,0,0,.5); }
.ptt.busy { animation: shake .09s 6; }
.ptt:disabled { filter: grayscale(1) brightness(.6); }
@keyframes shake { 25% { translate: -3px 0; } 75% { translate: 3px 0; } }

/* --- Rejilla del altavoz: tres filas de agujeros troquelados --- */
.grille {
  width: 50%; height: 28px;
  background: radial-gradient(circle, #050605 0 3px, rgba(255,255,255,.07) 3.7px, transparent 4.5px) center / 12px 12px;
  /* --level (0..1) lo pone app.js según el volumen real del audio que llega */
  --level: 0;
  transform: scale(calc(1 + var(--level) * .06));
  filter: drop-shadow(0 0 calc(var(--level) * 7px) rgba(76,196,106,calc(var(--level) * .7)));
}

/* --- Señal de audio --- */
.signal[hidden] { display: none; }
.signal { display: inline-flex; align-items: flex-end; gap: 2px; height: 14px; }
.signal i { width: 3px; border-radius: 1px; background: #444; }
.signal i:nth-child(1) { height: 4px; }
.signal i:nth-child(2) { height: 7px; }
.signal i:nth-child(3) { height: 10px; }
.signal i:nth-child(4) { height: 14px; }
.signal[data-q="4"] i, .signal[data-q="3"] i:nth-child(-n+3) { background: var(--rx); }
.signal[data-q="2"] i:nth-child(-n+2) { background: var(--busy); }
.signal[data-q="1"] i:nth-child(1) { background: var(--tx); }

/* --- Pantalla de encendido: consentimiento e invitación --- */
.consent { display: flex; gap: 10px; align-items: flex-start; color: var(--muted); font-size: 14px; line-height: 1.35; cursor: pointer; }
.consent input { flex: 0 0 auto; width: 20px; height: 20px; margin: 1px 0 0; accent-color: var(--accent); }
.consent a, .legal a { color: var(--accent); }
.btn-power:disabled { filter: grayscale(1) brightness(.55); box-shadow: 0 2px 0 #333; cursor: not-allowed; }
.invite {
  margin: 0; padding: 10px 12px; border-radius: 10px; text-align: center;
  background: var(--shell); border: 1px solid var(--accent); color: var(--text);
  font: 15px var(--f-mono); text-transform: uppercase; letter-spacing: .05em;
}
.invite[hidden] { display: none; }
.legal { margin: 0; text-align: center; color: var(--muted); font-size: 13px; letter-spacing: .06em; }

/* --- Panel avanzado: grupos y botones --- */
.group { display: flex; flex-direction: column; gap: 8px; }
.opt { font-weight: 500; text-transform: none; letter-spacing: 0; opacity: .8; }
.hint.left { text-align: left; font-size: 12px; }
.btn-row { display: flex; gap: 10px; }
.btn-row .btn-small { flex: 1; }
.btn-small {
  background: var(--shell); color: var(--text); border: 1px solid var(--shell-edge); border-radius: 10px;
  padding: 11px 12px; font: 700 15px var(--f-panel); letter-spacing: .1em; text-transform: uppercase; cursor: pointer;
}
.btn-small:active { transform: translateY(1px); }
.btn-small.danger { color: #ffb4ab; border-color: #7a2f28; }
.btn-small.ghost { background: none; color: var(--muted); }
select {
  font: 16px var(--f-mono); padding: 11px 12px; border-radius: 10px;
  border: 1px solid var(--shell-edge); background: var(--shell); color: var(--text);
}
.blocked { list-style: none; margin: 0; padding: 0; font: 14px var(--f-mono); text-transform: uppercase; }
.blocked li { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 6px 0; border-bottom: 1px solid var(--shell); }
.blocked li.none { color: var(--muted); }
.blocked button {
  background: none; border: 1px solid var(--shell-edge); color: var(--accent); border-radius: 8px;
  padding: 5px 9px; font: 700 12px var(--f-panel); letter-spacing: .08em; text-transform: uppercase; cursor: pointer;
}

/* Personas en rango: se pueden pulsar para bloquear o denunciar */
#peerList li { cursor: pointer; }
#peerList li:active { background: var(--shell); }

/* --- Hojas inferiores y aviso --- */
.sheet {
  position: fixed; inset: 0; z-index: 30; display: flex; align-items: flex-end; justify-content: center;
  background: rgba(0,0,0,.62); animation: fade .15s ease-out;
}
.sheet[hidden] { display: none; }
@keyframes fade { from { opacity: 0; } }
.sheet-body {
  width: 100%; max-width: 420px; display: flex; flex-direction: column; gap: 12px;
  padding: 20px 18px max(20px, env(safe-area-inset-bottom));
  border-radius: 18px 18px 0 0; border: 1px solid var(--shell-edge); border-bottom: 0;
  background: linear-gradient(#34372f, #26291f); box-shadow: 0 -12px 40px rgba(0,0,0,.6);
  animation: rise .2s ease-out;
}
@keyframes rise { from { transform: translateY(24px); } }
.qr-box { align-self: center; width: min(260px, 70vw); background: #fff; padding: 10px; border-radius: 12px; }
.qr-box svg { display: block; width: 100%; height: auto; }
.toast {
  position: fixed; left: 50%; bottom: max(24px, env(safe-area-inset-bottom)); z-index: 40;
  transform: translateX(-50%); max-width: 90vw; padding: 11px 16px; border-radius: 10px;
  background: #0f100e; color: var(--text); border: 1px solid var(--accent); font: 14px var(--f-mono);
  box-shadow: 0 8px 24px rgba(0,0,0,.6); text-align: center;
}
.toast[hidden] { display: none; }