/* Cámara termográfica virtual y visor. Tokens del sitio (css/styles.css / css/curso.css). */
.irc, .irv {
  --irc-bg: #0b1311;
  --irc-bg-2: #13201c;
  --irc-line: #26403a;
  --irc-ink: #e6efea;
  --irc-muted: #9fb8ae;
  --irc-mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --irc-gold: var(--gold, #ffb400);
  --irc-teal: var(--teal, #249597);
}

/* ---------- Cámara ---------- */
.irc {
  background: var(--irc-bg);
  border: 1px solid var(--irc-line);
  border-radius: var(--radius, 14px);
  color: var(--irc-ink);
  display: grid;
  font-size: 0.85rem;
  gap: 0.6rem;
  grid-template-columns: minmax(0, 1fr);
  line-height: 1.4;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
  padding: 0.6rem;
}
.irc-minimal { gap: 0; padding: 0; }
.irc-stage {
  aspect-ratio: 4 / 3;
  min-width: 0;
  background: #0d1311;
  border-radius: 10px;
  overflow: hidden;
  position: relative;
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
}
.irc-minimal .irc-stage { border-radius: inherit; }
.irc-stage.is-tool { touch-action: none; }
.irc-canvas {
  cursor: crosshair;
  display: block;
  height: 100%;
  width: 100%;
}
.irc-canvas:focus-visible { outline: 3px solid var(--irc-gold); outline-offset: -3px; }
.irc-notice {
  color: var(--irc-muted);
  font-family: var(--irc-mono);
  font-size: 0.82rem;
  inset: 0;
  margin: 0;
  padding: 1rem;
  place-content: center;
  position: absolute;
  text-align: center;
  display: grid;
}
.irc-notice[hidden] { display: none; }
.irc-loading {
  background: linear-gradient(90deg, transparent, rgba(255, 180, 0, 0.7), transparent);
  height: 2px;
  inset: 0 0 auto;
  opacity: 0;
  position: absolute;
}
.irc-stage.is-loading .irc-loading { animation: irc-load 1.1s linear infinite; opacity: 1; }
@keyframes irc-load { from { transform: translateX(-100%); } to { transform: translateX(100%); } }

.irc-profile { background: var(--irc-bg-2); border-radius: 8px; padding: 0.25rem; }
.irc-profile[hidden] { display: none; }
.irc-profile canvas { display: block; height: 96px; width: 100%; }

/* Barra de herramientas */
.irc-bar { align-items: center; display: flex; flex-wrap: wrap; gap: 0.45rem 0.75rem; justify-content: space-between; }
.irc-group { align-items: center; display: flex; flex-wrap: wrap; gap: 0.3rem; }
.irc button {
  background: var(--irc-bg-2);
  border: 1px solid var(--irc-line);
  border-radius: 7px;
  color: var(--irc-ink);
  cursor: pointer;
  font: 500 0.78rem/1 var(--irc-mono);
  min-height: 2rem;
  padding: 0.45rem 0.6rem;
}
.irc button:hover { border-color: var(--irc-teal); }
.irc button[aria-pressed="true"] { background: var(--irc-gold); border-color: var(--irc-gold); color: #2c1904; }
.irc button:disabled { cursor: not-allowed; opacity: 0.5; }
.irc-sel { align-items: center; display: inline-flex; gap: 0.3rem; }
.irc-sel span, .irc-mix span { color: var(--irc-muted); font-size: 0.72rem; }
.irc select, .irc input[type="number"] {
  background: var(--irc-bg-2);
  border: 1px solid var(--irc-line);
  border-radius: 6px;
  color: var(--irc-ink);
  font: 0.8rem var(--irc-mono);
  min-height: 2rem;
  min-width: 0;
  padding: 0.25rem 0.4rem;
}
.irc input[type="range"] { accent-color: var(--irc-gold); min-width: 0; width: 100%; }
.irc-mix { align-items: center; display: flex; flex: 1 1 100%; gap: 0.5rem; }
.irc-mix[hidden] { display: none; }

/* Lecturas */
.irc-readings {
  display: flex;
  flex-wrap: wrap;
  font-family: var(--irc-mono);
  font-size: 0.78rem;
  gap: 0.3rem 0.9rem;
  min-height: 1.2rem;
}
.irc-readings b { color: var(--irc-muted); font-weight: 500; margin-right: 0.2rem; }
.irc-readings .is-active b { color: var(--irc-gold); }
.irc-readings .irc-hover { color: var(--irc-muted); }

/* Panel */
.irc-panel { display: grid; gap: 0.6rem; }
.irc-fs { border: 1px solid var(--irc-line); border-radius: 8px; margin: 0; min-width: 0; padding: 0.5rem 0.6rem 0.65rem; }
.irc-fs legend { color: var(--irc-muted); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em; padding: 0 0.3rem; text-transform: uppercase; }
.irc-fs legend small { color: var(--irc-gold); font-weight: 500; letter-spacing: 0; text-transform: none; }
.irc-grid { display: grid; gap: 0.5rem 0.75rem; grid-template-columns: repeat(auto-fill, minmax(8.5rem, 1fr)); }
.irc-field { display: grid; font-size: 0.75rem; gap: 0.2rem; min-width: 0; }
.irc-field[hidden] { display: none; }
.irc-field > span { color: var(--irc-muted); }
.irc-field small { color: #6f8b80; }
.irc-field output { color: var(--irc-ink); font-family: var(--irc-mono); font-size: 0.75rem; }
.irc-field.is-locked { opacity: 0.7; }
.irc-lock { border: 1px solid #4b6a60; border-radius: 4px; padding: 0 0.25rem; }
.irc-more summary { color: var(--irc-muted); cursor: pointer; font-size: 0.78rem; padding: 0.2rem 0; }
.irc-more[open] summary { margin-bottom: 0.5rem; }
.irc-sr { clip: rect(0 0 0 0); clip-path: inset(50%); height: 1px; margin: -1px; overflow: hidden; position: absolute; white-space: nowrap; width: 1px; }

@media (max-width: 30rem) {
  .irc { padding: 0.45rem; }
  .irc-bar { justify-content: flex-start; }
  .irc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- Visor (lente sobre la foto) ---------- */
.irv {
  background: #0d1311;
  border-radius: var(--radius, 14px);
  color: var(--irc-ink);
  overflow: hidden;
  position: relative;
}
.irv-stage {
  aspect-ratio: 4 / 3;
  cursor: none;
  position: relative;
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
}
.irv-stage canvas { display: block; height: 100%; inset: 0; position: absolute; width: 100%; }
.irv-hint {
  background: rgba(0, 20, 14, 0.72);
  border-radius: 99px;
  bottom: 1rem;
  color: #dfeee8;
  font: 500 0.75rem var(--irc-mono);
  left: 50%;
  padding: 0.35rem 0.8rem;
  pointer-events: none;
  position: absolute;
  transform: translateX(-50%);
  transition: opacity 0.4s;
  white-space: nowrap;
}
.irv.is-touched .irv-hint { opacity: 0; }
.irv-on {
  align-items: center;
  background: var(--irc-gold);
  border: 0;
  border-radius: 99px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  color: #2c1904;
  cursor: pointer;
  display: inline-flex;
  font: 600 0.9rem var(--font, "Poppins", system-ui, sans-serif);
  gap: 0.5rem;
  padding: 0.7rem 1.15rem;
  position: absolute;
  right: 1rem;
  top: 1rem;
  z-index: 2;
}
.irv-on:hover { background: var(--gold-hover, #e6a200); }
.irv-on svg { height: 1.1rem; width: 1.1rem; }
.irv-on:focus-visible { outline: 3px solid #fff; outline-offset: 2px; }
.irv-sr { clip: rect(0 0 0 0); clip-path: inset(50%); height: 1px; margin: -1px; overflow: hidden; position: absolute; white-space: nowrap; width: 1px; }
.irv.is-expanding .irv-stage canvas { transition: none; }

/* Pantalla completa */
.irv-full {
  background: #050907;
  display: grid;
  grid-template-rows: auto 1fr;
  inset: 0;
  opacity: 0;
  overflow: auto;
  overscroll-behavior: contain;
  position: fixed;
  transition: opacity 0.35s var(--ease, ease);
  z-index: 200;
}
.irv-full.is-on { opacity: 1; }
.irv-full-head {
  align-items: center;
  color: #cfe2db;
  display: flex;
  font: 500 0.8rem var(--irc-mono);
  gap: 1rem;
  justify-content: space-between;
  padding: 0.6rem 1rem;
}
.irv-full-head .irv-rec { align-items: center; display: inline-flex; gap: 0.45rem; }
.irv-full-head .irv-rec::before { animation: irv-blink 1.6s infinite; background: #e2541c; border-radius: 50%; content: ""; height: 0.5rem; width: 0.5rem; }
@keyframes irv-blink { 50% { opacity: 0.25; } }
.irv-close {
  background: transparent;
  border: 1px solid #3c5a50;
  border-radius: 8px;
  color: #fff;
  cursor: pointer;
  font: 500 0.8rem var(--irc-mono);
  padding: 0.45rem 0.8rem;
}
.irv-full-body { margin: 0 auto; max-width: min(72rem, 100%); padding: 0 0.75rem 1.5rem; width: 100%; }
.irv-shutter {
  background: repeating-linear-gradient(0deg, #5f6462 0 2px, #676c6a 2px 4px);
  inset: 0;
  pointer-events: none;
  position: fixed;
  transform: translateY(0);
  z-index: 201;
}
.irv-shutter.is-open { transform: translateY(-101%); transition: transform 0.45s cubic-bezier(0.7, 0, 0.2, 1) 0.25s; }
.irv-shutter span {
  bottom: 50%;
  color: rgba(255, 255, 255, 0.85);
  font: 600 0.9rem var(--irc-mono);
  left: 0;
  letter-spacing: 0.2em;
  position: absolute;
  right: 0;
  text-align: center;
}
body.irv-lock { overflow: hidden; }

@media (prefers-reduced-motion: reduce) {
  .irv-full, .irv-shutter.is-open { transition: none; }
  .irv-full-head .irv-rec::before, .irc-stage.is-loading .irc-loading { animation: none; }
}

/* ---------- Laboratorio libre ---------- */
.irl-controls { display: grid; gap: 0.75rem 1rem; grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr)); margin: 0 0 1rem; }
.irl-controls label { color: #cfe2db; display: grid; font-size: 0.8rem; gap: 0.3rem; grid-template-columns: minmax(0, 1fr); min-width: 0; }
.irl-controls select { max-width: 100%; }
.irl-controls output { color: #fff; font-family: var(--mono, ui-monospace, monospace); font-size: 0.8rem; }
.irl-desc { color: #b9d2c9; font-size: 0.88rem; margin: 0 0 0.9rem; min-height: 1.4em; }
.irl-tools { display: grid; gap: 0.75rem; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); margin: 1.5rem 0; }
.irl-tools div { border: 1px solid var(--line, #c9d8d2); border-radius: 10px; padding: 0.8rem 1rem; }
.irl-tools h3 { font-size: 0.95rem !important; margin: 0 0 0.3rem !important; }
.irl-tools p { font-size: 0.88rem; margin: 0; }