/* Curso de termografía — widgets de Fundamentos (m00–m06, glosario, emisividades, fórmulas).
   Usa los tokens de css/curso.css. Todo funciona a 360 px sin scroll horizontal. */

.f-widget { display: grid; gap: 1rem; min-width: 0; }
.f-split { display: grid; gap: 1rem; grid-template-columns: minmax(0, 1fr); min-width: 0; }
@media (min-width: 52rem) {
  .f-split { grid-template-columns: minmax(0, 1.6fr) minmax(15rem, 1fr); align-items: start; }
}
.f-canvas {
  background: #000d09; border-radius: 10px; display: block; touch-action: none; width: 100%;
}
.f-canvas.light { background: #04150f; }
.f-cam { min-height: 12rem; min-width: 0; }
.f-cam-missing {
  background: rgba(255, 255, 255, 0.06); border: 1px dashed #4b8a77; border-radius: 10px; color: #cfe2db;
  font-size: 0.9rem; margin: 0; padding: 1rem;
}

/* Controles */
.f-controls { display: grid; gap: 0.85rem; min-width: 0; }
.f-controls label, .f-field { color: #cfe2db; display: block; font-size: 0.82rem; line-height: 1.45; }
.f-controls label > input, .f-controls label > select, .f-controls label > output,
.f-field > input, .f-field > select, .f-field > output { display: block; margin-top: 0.3rem; }
.f-controls label > select, .f-field > select, .f-controls label > input[type="number"], .f-field > input[type="number"] { width: 100%; }
.f-controls output { color: #fff; font-family: var(--mono); }
.f-row { align-items: center; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.f-row > * { min-width: 0; }
.f-seg { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.f-seg button, .f-btn {
  background: transparent; border: 1px solid #4b8a77; border-radius: 8px; color: #e8f2ee; cursor: pointer;
  font-size: 0.82rem; padding: 0.4rem 0.7rem;
}
.f-seg button[aria-pressed="true"], .f-btn.primary {
  background: var(--gold); border-color: var(--gold); color: var(--brown); font-weight: 600;
}
.f-seg button:hover, .f-btn:hover { border-color: var(--gold); }
.lab input[type="number"] { max-width: 100%; width: 100%; }
.lab select { max-width: 100%; width: 100%; }

/* Lecturas */
.f-readouts { display: grid; gap: 0.5rem; grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr)); }
.f-read {
  background: rgba(0, 0, 0, 0.28); border-radius: 8px; padding: 0.5rem 0.7rem;
}
.f-read span { color: #9fc3b6; display: block; font-size: 0.72rem; letter-spacing: 0.04em; text-transform: uppercase; }
.f-read strong { color: #fff; display: block; font-family: var(--mono); font-size: 1.05rem; font-weight: 600; overflow-wrap: anywhere; }
.f-read.hot strong { color: #ffb08a; }
.f-read.ok strong { color: #8be0cf; }
.f-live { color: #cfe2db; font-family: var(--mono); font-size: 0.82rem; margin: 0; min-height: 1.4em; }

/* Niveles de severidad */
.f-badge {
  border-radius: 99px; display: inline-block; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.03em;
  padding: 0.15rem 0.65rem; text-transform: uppercase;
}
.f-badge.normal { background: #2e6a58; color: #fff; }
.f-badge.observacion { background: #f5d76e; color: #3a2a00; }
.f-badge.programada { background: #f08a24; color: #2c1904; }
.f-badge.inmediata { background: #d93a12; color: #fff; }

/* Lista de retos (m00) */
.f-steps { counter-reset: fstep; display: grid; gap: 0.45rem; list-style: none; margin: 0; padding: 0; }
.f-steps li {
  align-items: start; background: rgba(0, 0, 0, 0.22); border-radius: 8px; color: #cfe2db; display: grid;
  font-size: 0.86rem; gap: 0.6rem; grid-template-columns: 1.6rem minmax(0, 1fr); padding: 0.5rem 0.7rem;
}
.f-steps li::before {
  background: #2e6a58; border-radius: 50%; color: #fff; content: counter(fstep); counter-increment: fstep;
  display: grid; font-family: var(--mono); font-size: 0.75rem; height: 1.6rem; place-items: center; width: 1.6rem;
}
.f-steps li.done { background: rgba(36, 149, 151, 0.28); color: #fff; }
.f-steps li.done::before { background: var(--gold); color: var(--brown); content: "✔"; }
.f-steps li.current { outline: 1px solid var(--gold); }
.f-steps strong { color: #fff; display: block; }
.f-steps .f-btn { font-size: 0.75rem; margin-top: 0.35rem; padding: 0.2rem 0.5rem; }

/* Mini pregunta dentro de un laboratorio */
.f-mini { background: rgba(0, 0, 0, 0.22); border-radius: 10px; padding: 0.8rem 0.9rem; }
.f-mini p { color: #e8f2ee !important; font-size: 0.9rem; margin: 0 0 0.5rem; }
.f-mini .f-seg button { text-align: left; }
.f-mini .lab-feedback { margin-top: 0.6rem; }

/* Tabla dentro de laboratorio */
.f-table { border-collapse: collapse; font-size: 0.82rem; width: 100%; }
.f-table th, .f-table td { border-bottom: 1px solid #22594a; color: #e8f2ee; padding: 0.35rem 0.45rem; text-align: left; }
.f-table th { color: #9fc3b6; font-weight: 600; }
.f-table td.num { font-family: var(--mono); text-align: right; white-space: nowrap; }
.f-table tr.ok td { background: rgba(36, 149, 151, 0.2); }
.f-table tr.na td { color: #8fb3a6; }
.f-table-wrap { overflow-x: auto; }

/* Barra apilada de términos de radiancia */
.f-stack { border-radius: 6px; display: flex; height: 1.4rem; overflow: hidden; width: 100%; }
.f-stack span { display: block; height: 100%; min-width: 2px; transition: width 0.25s var(--ease); }
.f-legend { display: flex; flex-wrap: wrap; gap: 0.35rem 1rem; font-size: 0.78rem; color: #cfe2db; margin: 0.4rem 0 0; padding: 0; list-style: none; }
.f-legend i { border-radius: 3px; display: inline-block; height: 0.7rem; margin-right: 0.35rem; vertical-align: -0.05rem; width: 0.7rem; }

/* Diagramas SVG fuera de laboratorios (fondo claro) */
.f-diagram { background: var(--paper-2); border-radius: var(--radius); margin: 1.5rem 0; padding: 1rem; }
.f-diagram svg { height: auto; width: 100%; }
.f-diagram figcaption { color: var(--muted); font-size: 0.82rem; margin-top: 0.5rem; }
.f-diagram text { font-family: var(--font); }

/* Pasos numerados de procedimiento */
.f-proc { counter-reset: fp; list-style: none; padding-left: 0 !important; }
.f-proc > li { counter-increment: fp; padding-left: 2.4rem; position: relative; }
.f-proc > li::before {
  background: var(--forest); border-radius: 50%; color: #fff; content: counter(fp); font-family: var(--mono);
  font-size: 0.8rem; height: 1.7rem; left: 0; line-height: 1.7rem; position: absolute; text-align: center; top: 0.1rem; width: 1.7rem;
}

/* ---------- Glosario ---------- */
.gl-index { display: flex; flex-wrap: wrap; gap: 0.3rem; margin: 1rem 0 1.5rem; }
.gl-index a {
  border: 1px solid var(--line); border-radius: 6px; color: var(--forest); font-family: var(--mono); font-weight: 600;
  min-width: 2rem; padding: 0.15rem 0.45rem; text-align: center; text-decoration: none;
}
.gl-index a:hover { border-color: var(--teal); }
.gl-filter, .em-filter {
  border: 1px solid var(--line); border-radius: 8px; font-size: 1rem; margin: 0.5rem 0 0; padding: 0.55rem 0.8rem; width: 100%;
}
.gl-letter { border-bottom: 2px solid var(--forest); color: var(--forest); font-family: var(--mono); margin: 2rem 0 0.5rem !important; }
.gl dl { margin: 0; }
.gl dt { color: var(--forest); font-weight: 600; margin-top: 1rem; scroll-margin-top: calc(var(--c-header) + 1rem); }
.gl dt:target { background: var(--warn-bg); border-radius: 4px; }
.gl dd { color: var(--ink); margin: 0.2rem 0 0; }
.gl dd .gl-see { color: var(--muted); font-size: 0.85rem; }
.gl [hidden] { display: none !important; }

/* ---------- Emisividades ---------- */
.em-table td:nth-child(3), .em-table td:nth-child(4) { font-family: var(--mono); white-space: nowrap; }
.em-warn { color: #a8350c; font-weight: 600; }

/* ---------- Hoja de fórmulas ---------- */
.fs-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr)); max-width: 100% !important; }
.fs-card { border: 1px solid var(--line); border-radius: 12px; break-inside: avoid; padding: 0.9rem 1rem; }
.fs-card h3 { color: var(--forest); font-size: 1rem; margin: 0 0 0.4rem; }
.fs-card math { font-size: 1.1rem; }
.fs-card p { font-size: 0.85rem; margin: 0.4rem 0 0; }
.fs-calc { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr)); }
.fs-calc .f-mini { background: rgba(0, 0, 0, 0.22); }
.fs-calc h3 { color: #fff; font-size: 1rem; margin: 0 0 0.5rem; }

@media print {
  .f-noprint, .lab, .gl-filter, .em-filter { display: none !important; }
  .fs-card { border-color: #999; }
  .lesson > * { max-width: 100% !important; }
}

@media (prefers-reduced-motion: reduce) {
  .f-stack span { transition: none; }
}