/* ============================================================================
   lab.css — Estètica "Instruments analògics anys 90"
   Tokens i components compartits per eina.html, index.html i tv.html.
   Paleta i tipografia surten de docs/estil-visual.md §2-§3 (no te'ls inventis).
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500;600&family=Caveat:wght@500;700&display=swap');

:root {
  color-scheme: dark;

  /* Base neutra (l'arxiu càlid) */
  --paper: #E8DCC4;
  --paper-fosc: #CDBE9E;
  --tinta: #241F18;
  --fons: #16130E;
  --fons-2: #211C14;
  --vora: #3A3226;
  --text: #EDE4D3;
  --text-2: #A99C82;

  /* Accents de marca */
  --mel: #E8A33D;
  --mel-fosc: #B4761E;
  --menta: #35D0B4;
  --menta-fosc: #1C7D6B;

  /* Colors d'eina */
  --quimica: #D14FA0;
  --digital: #4FB0E0;
  --fisica: #E8952D;

  /* Semàntics d'estat */
  --ok: #4FA85E;
  --acusacio: #D6483B;
  --segellat: #241F18;

  /* Accent de l'instrument actiu (el fixa el JS segons l'eina) */
  --ac: var(--menta);

  /* Tipografia */
  --font-display: 'Oswald', 'Arial Narrow', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', ui-monospace, monospace;
  --font-sans: 'IBM Plex Sans', system-ui, sans-serif;
  --font-hand: 'Caveat', 'Segoe Script', cursive;

  /* Bresca fantasma (patró hexagonal, opacitat baixa) — SVG data-URI */
  --bresca: url("data:image/svg+xml,%3Csvg width='28' height='49' viewBox='0 0 28 49' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M13.99 9.25l13 7.5v15l-13 7.5L1 31.75v-15l12.99-7.5zM3 17.9v11.7l10.99 6.34 11-6.35V17.9l-11-6.34L3 17.9zM0 15l12.98-7.5V0h-2v6.35L0 12.69v2.3zm0 18.5L12.98 41v8h-2v-6.85L0 35.81v-2.3zM15 0v7.5L27.99 15H28v-2.31h-.01L17 6.35V0h-2zm0 49v-8l12.99-7.5H28v2.31h-.01L17 42.15V49h-2z' fill='%23E8A33D' fill-opacity='0.07'/%3E%3C/svg%3E");
}

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

/* Look & feel d'app nativa: mata el rebot/pull-to-refresh i el ressaltat de toc. */
html, body { overscroll-behavior: none; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--fons) var(--bresca);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  min-height: 100dvh;           /* alçada real amb la barra del navegador mòbil */
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none;
  user-select: none;
  touch-action: manipulation;   /* fora delay de 300ms i doble-tap zoom */
  /* respecta el notch/àrees segures quan va en standalone */
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
}

/* els camps i notes manuscrites sí que han de permetre selecció/escriptura */
input, textarea, .text-hand { -webkit-user-select: text; user-select: text; }

/* --------------------------------------------------------------------------
   Carcassa — cos físic de l'aparell
   -------------------------------------------------------------------------- */
.carcassa {
  position: relative;
  background: linear-gradient(160deg, var(--fons-2), #1a160f);
  border: 2px solid var(--vora);
  border-radius: 18px;
  padding: 1rem 1rem 1.2rem;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .05),
    inset 0 -3px 12px rgba(0, 0, 0, .5),
    0 12px 30px rgba(0, 0, 0, .45);
  /* textura de plàstic subtil */
  background-image:
    linear-gradient(160deg, var(--fons-2), #1a160f),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .012) 0 2px, transparent 2px 4px);
}

/* 4 cargols a les cantonades */
.carcassa::before,
.carcassa::after,
.carcassa > .cargol {
  content: "";
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 30%, #6b6152, #2c271d 70%),
    #2c271d;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .4), 0 1px 1px rgba(0, 0, 0, .5);
}
.carcassa::before { top: 9px; left: 9px; }
.carcassa::after { top: 9px; right: 9px; }
/* dos cargols inferiors via elements .cargol si es volen; posicions per defecte */
.carcassa > .cargol.bl { bottom: 9px; left: 9px; top: auto; }
.carcassa > .cargol.br { bottom: 9px; right: 9px; top: auto; }

/* --------------------------------------------------------------------------
   Placa de model — capçalera gravada
   -------------------------------------------------------------------------- */
.placa-model {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .6rem;
  padding: .4rem .7rem;
  margin-bottom: .8rem;
  border-radius: 8px;
  background: linear-gradient(#100d09, #1c180f);
  border: 1px solid var(--vora);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, .6);
}
.placa-model .model {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: 1.05rem;
  color: var(--ac);
  text-shadow: 0 0 8px color-mix(in srgb, var(--ac) 45%, transparent);
}
.placa-model .serie {
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .05em;
  color: var(--text-2);
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   Tira de LEDs
   -------------------------------------------------------------------------- */
.tira-leds {
  display: flex;
  gap: 1.1rem;
  justify-content: center;
  padding: .6rem 0 .2rem;
}
.tira-leds .led-cel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .28rem;
}
.tira-leds .etiqueta {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-2);
}

.led {
  position: relative;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #2a2620;
  box-shadow: inset 0 0 2px rgba(0, 0, 0, .8);
}
.led::after {
  /* reflex blanc */
  content: "";
  position: absolute;
  top: 2px;
  left: 3px;
  width: 4px;
  height: 3px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .55);
  opacity: .35;
}
.led--off { background: #2a2620; }
.led--verd { background: var(--ok); box-shadow: 0 0 8px 1px var(--ok), inset 0 0 2px rgba(0, 0, 0, .3); }
.led--vermell { background: var(--acusacio); box-shadow: 0 0 8px 1px var(--acusacio), inset 0 0 2px rgba(0, 0, 0, .3); }
.led--ambre { background: var(--mel); box-shadow: 0 0 8px 1px var(--mel), inset 0 0 2px rgba(0, 0, 0, .3); }
.led--parpelleja { animation: led-blink .7s steps(1, end) infinite; }

@keyframes led-blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: .18; }
}

/* --------------------------------------------------------------------------
   Pantalla — el "monitor" CRT de l'instrument
   -------------------------------------------------------------------------- */
.pantalla {
  position: relative;
  aspect-ratio: 3 / 4;
  border-radius: 12px;
  overflow: hidden;
  background: #050705;
  border: 2px solid #000;
  box-shadow:
    inset 0 0 40px rgba(0, 0, 0, .9),
    inset 0 0 0 2px rgba(255, 255, 255, .03);
}
/* curvatura CRT (vinyeta) + línies de scan */
.pantalla::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 40;
  background:
    radial-gradient(120% 120% at 50% 50%, transparent 55%, rgba(0, 0, 0, .55) 100%),
    repeating-linear-gradient(0deg, rgba(0, 0, 0, .06) 0 1px, transparent 1px 3px);
}
.pantalla video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;               /* càmera amagada però viva (NO display:none) */
  transition: opacity .25s;
  z-index: 1;
}

/* capes d'instrument a sobre del vídeo */
.capa {
  position: absolute;
  inset: 0;
  z-index: 10;
}
.capa[hidden] { display: none; }

/* capa efímera de segells/detalls de resultat (per sobre de la pell) */
.capa-resultat { z-index: 25; pointer-events: none; }

/* --------------------------------------------------------------------------
   Mode tècnic — HUD de menta que mostra la càmera per enquadrar
   -------------------------------------------------------------------------- */
.pantalla[data-tecnic="1"] video { opacity: 1; }
.capa-tecnic { z-index: 30; pointer-events: none; }
.capa-tecnic .cantonada {
  position: absolute;
  width: 26px;
  height: 26px;
  border: 3px solid var(--menta);
}
.capa-tecnic .cantonada.tl { top: 12px; left: 12px; border-right: 0; border-bottom: 0; }
.capa-tecnic .cantonada.tr { top: 12px; right: 12px; border-left: 0; border-bottom: 0; }
.capa-tecnic .cantonada.bl { bottom: 12px; left: 12px; border-right: 0; border-top: 0; }
.capa-tecnic .cantonada.br { bottom: 12px; right: 12px; border-left: 0; border-top: 0; }
.capa-tecnic .diana {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 58%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border: 2px solid color-mix(in srgb, var(--menta) 70%, transparent);
  border-radius: 8px;
}
.capa-tecnic .retol {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 10px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .08em;
  color: var(--menta);
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   Neu analògica — "SENYAL PERDUDA"
   -------------------------------------------------------------------------- */
.capa-neu { z-index: 20; background: #000; }
.capa-neu canvas {
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  display: block;
}
.capa-neu .avis {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  text-align: center;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: #fff;
  text-shadow: 0 0 6px #000, 0 1px 2px #000;
  animation: led-blink .8s steps(1, end) infinite;
  padding: 0 .8rem;
}

/* --------------------------------------------------------------------------
   Text mono d'estat (comú a les pells)
   -------------------------------------------------------------------------- */
.retol-estat {
  position: absolute;
  left: 10px;
  bottom: 10px;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .06em;
  color: var(--ac);
  text-shadow: 0 0 8px color-mix(in srgb, var(--ac) 40%, transparent);
}
.segell {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-9deg);
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: 1.5rem;
  padding: .25rem .8rem;
  border: 4px solid currentColor;
  border-radius: 6px;
  color: var(--acusacio);
  opacity: .92;
}
.segell--ok { color: var(--ok); }
.segell--estampa { animation: estampada .18s cubic-bezier(.2, 1.4, .5, 1) both; }

@keyframes estampada {
  0% { transform: translate(-50%, -50%) rotate(-9deg) scale(1.7); opacity: 0; }
  60% { opacity: 1; }
  100% { transform: translate(-50%, -50%) rotate(-9deg) scale(1); opacity: .92; }
}

/* --------------------------------------------------------------------------
   Botó físic
   -------------------------------------------------------------------------- */
.boto-fisic {
  display: inline-block;
  width: 100%;
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: 1.05rem;
  color: #17130c;
  padding: .85rem 1rem;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  background: linear-gradient(#f5c874, var(--mel) 45%, var(--mel-fosc));
  box-shadow: 0 4px 0 #6e4611, 0 6px 12px rgba(0, 0, 0, .4);
  transition: transform .05s, box-shadow .05s;
}
.boto-fisic:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 #6e4611, 0 3px 6px rgba(0, 0, 0, .4);
}
.boto-fisic:disabled {
  filter: grayscale(.7) brightness(.6);
  box-shadow: 0 4px 0 #2c271d;
  cursor: default;
}
/* variant amb l'accent de l'eina */
.boto-fisic--ac {
  background: linear-gradient(color-mix(in srgb, var(--ac) 70%, white),
              var(--ac) 45%, color-mix(in srgb, var(--ac) 60%, black));
  box-shadow: 0 4px 0 color-mix(in srgb, var(--ac) 40%, black), 0 6px 12px rgba(0, 0, 0, .4);
}

/* --------------------------------------------------------------------------
   Camps de formulari amb estil d'aparell
   -------------------------------------------------------------------------- */
.camp {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  padding: .8rem;
  border-radius: 10px;
  border: 1px solid var(--vora);
  background: #0d0a06;
  color: var(--text);
}
.camp:focus { outline: 2px solid var(--ac); outline-offset: 1px; }

/* Etiqueta de prova (targeta manila amb forat) */
.etiqueta-prova {
  position: relative;
  background: var(--paper);
  color: var(--tinta);
  font-family: var(--font-mono);
  font-size: .82rem;
  line-height: 1.35;
  padding: .55rem .7rem .55rem 1.6rem;
  border-radius: 4px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, .35);
}
.etiqueta-prova::before {
  content: "";
  position: absolute;
  left: .55rem;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--fons);
  box-shadow: inset 0 0 0 1px var(--paper-fosc);
}

.text-mono { font-family: var(--font-mono); }
.text-display { font-family: var(--font-display); text-transform: uppercase; letter-spacing: .05em; }
.text-hand { font-family: var(--font-hand); }

/* ==========================================================================
   PELLS (skins) — visuals per eina dins .pantalla. El DOM el crea instrument.js;
   aquí només l'estil i les animacions (dirigides per data-estat).
   ========================================================================== */

/* --- 3a. CROMATÒGRAF (magenta) --- */
.capa-instrument .crom-grid {
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(209, 79, 160, .14) 0 1px, transparent 1px 12px),
    repeating-linear-gradient(0deg, rgba(209, 79, 160, .10) 0 1px, transparent 1px 12px);
}
[data-estat="processant"] .capa-instrument .crom-grid {
  animation: crom-avanca .5s linear infinite;
}
@keyframes crom-avanca { to { background-position: -12px 0, 0 0; } }
.capa-instrument .crom-svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.capa-instrument .crom-linia { stroke: var(--ac); filter: drop-shadow(0 0 3px color-mix(in srgb, var(--ac) 50%, transparent)); }
[data-estat="exit"] .capa-instrument .crom-linia { stroke: var(--ok); filter: drop-shadow(0 0 4px var(--ok)); }
[data-estat="error"] .capa-instrument .crom-linia { stroke: var(--acusacio); }

/* --- 3b. REPRODUCTOR DE VÍDEO (blau) --- */
.capa-instrument .vhs-fons {
  position: absolute; inset: 0;
  background: radial-gradient(120% 120% at 50% 40%, #0a2740, #04121f 80%);
}
[data-estat="exit"] .capa-instrument .vhs-fons {
  background: #050505;
  background-image: repeating-linear-gradient(0deg, rgba(255,255,255,.04) 0 1px, transparent 1px 2px);
}
.capa-instrument .vhs-tracking {
  position: absolute; left: 0; right: 0; height: 22px; top: -22px;
  background: repeating-linear-gradient(0deg, rgba(255,255,255,.14) 0 2px, transparent 2px 5px);
  opacity: 0;
}
[data-estat="processant"] .capa-instrument .vhs-tracking { opacity: 1; animation: vhs-track 1.7s linear infinite; }
@keyframes vhs-track { 0% { top: -22px; } 100% { top: 100%; } }
.capa-instrument .vhs-bobines {
  position: absolute; left: 12%; right: 12%; top: 14%; width: 76%;
  opacity: .55;
}
.capa-instrument .vhs-bobines .bobina { fill: none; stroke: var(--digital); stroke-width: 2; }
[data-estat="processant"] .capa-instrument .vhs-bobines .bobina { animation: bobina-gira 1.1s linear infinite; }
@keyframes bobina-gira { to { transform: rotate(360deg); } }
.capa-instrument .vhs-central {
  position: absolute; left: 0; right: 0; top: 50%; transform: translateY(-50%);
  text-align: center; font-family: var(--font-mono); font-size: .82rem; letter-spacing: .1em;
  color: var(--digital); text-shadow: 0 0 8px rgba(79,176,224,.5);
}
.capa-instrument .vhs-comptador {
  position: absolute; top: 10px; left: 12px; font-family: var(--font-mono);
  font-size: .78rem; color: #cfe9f7; text-shadow: 0 0 4px #000;
}
.capa-instrument .vhs-burnin {
  position: absolute; top: 10px; right: 12px; font-family: var(--font-mono);
  font-size: .66rem; color: var(--menta); text-shadow: 0 0 4px #000; text-transform: uppercase;
}
.capa-instrument .vhs-subtitol {
  position: absolute; left: 8%; right: 8%; bottom: 16px; text-align: center;
  font-family: var(--font-mono); font-size: .78rem; color: #fff;
  background: rgba(0,0,0,.55); padding: .15rem .3rem; border-radius: 2px;
  text-shadow: 0 1px 2px #000;
}
.capa-instrument .vhs-subtitol:empty { display: none; }
[data-estat="error"] .capa-instrument .vhs-fons { animation: glitch .18s steps(2) 3; }
[data-estat="error"] .capa-instrument .vhs-central { color: var(--acusacio); }
@keyframes glitch {
  0% { transform: translateX(0); } 25% { transform: translateX(-3px); }
  50% { transform: translateX(3px); } 75% { transform: translateX(-2px); } 100% { transform: translateX(0); }
}

/* --- 3c. ANÀLISI DE PERFILS (ambre) --- */
.capa-instrument .dossier {
  position: absolute; inset: 12%;
  background: var(--paper);
  color: var(--tinta);
  border-radius: 3px;
  padding: .8rem;
  box-shadow: 0 6px 16px rgba(0,0,0,.5);
  /* cantonades gastades */
  background-image: radial-gradient(circle at 100% 0, transparent 12px, var(--paper) 12px);
}
.capa-instrument .dossier-cap {
  font-size: .58rem; letter-spacing: .1em; color: var(--mel-fosc);
  border-bottom: 1px solid var(--paper-fosc); padding-bottom: .3rem; margin-bottom: .6rem;
}
.capa-instrument .dossier-camp { margin: .5rem 0; font-family: var(--font-mono); font-size: .82rem; }
.capa-instrument .dossier-camp label {
  display: block; font-size: .55rem; letter-spacing: .12em; color: var(--mel-fosc); margin-bottom: .1rem;
}
.capa-instrument .cursor { animation: led-blink .6s steps(1) infinite; }
.capa-instrument .dossier-barra {
  position: absolute; left: .8rem; right: .8rem; bottom: .7rem; height: 6px;
  background: var(--paper-fosc); border-radius: 3px; overflow: hidden;
}
.capa-instrument .dossier-barra i { display: block; width: 30%; height: 100%; background: var(--fisica); opacity: 0; }
.capa-instrument.cercant .dossier-barra i { opacity: 1; animation: calaix 1.1s ease-in-out infinite; }
@keyframes calaix { 0% { margin-left: -30%; } 100% { margin-left: 100%; } }

@media (prefers-reduced-motion: reduce) {
  .led--parpelleja,
  .capa-neu .avis,
  .segell--estampa,
  .crom-grid, .vhs-track, .vhs-bobines .bobina, .dossier-barra i { animation: none; }
}