/* Panel de datos IoT - Práctica 4C, Unidad 3 */

:root {
  --azul: #1b396a;          /* azul institucional */
  --guinda: #9d2449;
  --fondo: #eef1f6;
  --tarjeta: #ffffff;
  --texto: #15243f;
  --suave: #6f7880;
  --borde: #d5dbe4;
  --ok: #2e7d32;
  --error: #c62828;
  --radio: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--fondo);
  color: var(--texto);
  line-height: 1.4;
}

/* ---------- Encabezado ---------- */
.encabezado {
  background: var(--azul);
  color: #fff;
  padding: 18px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.encabezado h1 { margin: 0; font-size: 1.4rem; }
.encabezado p  { margin: 2px 0 0; color: #c6d2e6; font-size: .9rem; }

.pastilla {
  padding: 5px 12px;
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 700;
}
.pastilla--gris  { background: #ffffff33; color: #fff; }
.tarjeta .pastilla--gris { background: #e3e7ee; color: var(--suave); }
.pastilla--verde { background: #c8e6c9; color: #1b5e20; }
.pastilla--rojo  { background: #ffcdd2; color: #8e0000; }
.pastilla--azul  { background: #d6e2f5; color: var(--azul); }

/* ---------- Estructura ---------- */
.contenido {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 16px 8px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}
.tarjeta {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 18px;
  box-shadow: 0 2px 6px #1b396a14;
  min-width: 0;
}
.tarjeta h2 {
  margin: 0 0 14px;
  font-size: 1.1rem;
  color: var(--guinda);
}
.nota     { color: var(--suave); font-size: .85rem; margin: 8px 0 0; }
.centrado { text-align: center; }
.resultado { margin: 12px 0 0; }

/* ---------- Formularios ---------- */
details summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--azul);
}
.formulario { display: grid; gap: 12px; margin-top: 14px; }
.formulario label { display: grid; gap: 4px; font-size: .9rem; }
input[type="text"], input[type="number"], select {
  padding: 8px 10px;
  border: 1px solid var(--borde);
  border-radius: 8px;
  font-size: 1rem;
  font-family: Consolas, monospace;
  background: #fff;
  color: var(--texto);
}
.formulario input { padding: 10px; }
input[type="number"] { width: 6.5em; }
.controles { margin-bottom: 10px; font-size: .9rem; }
.controles label { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }

/* ---------- Botones ---------- */
.fila-botones {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.envolver { justify-content: center; margin: 12px 0; }
.boton {
  border: 1px solid var(--borde);
  background: #f5f7fa;
  color: var(--texto);
  padding: 9px 14px;
  border-radius: 10px;
  font-size: .95rem;
  cursor: pointer;
  transition: transform .1s, background .2s;
}
.boton:hover   { background: #e8edf5; }
.boton:active  { transform: scale(.96); }
.boton:disabled { opacity: .55; cursor: not-allowed; }
.boton--primario {
  background: var(--azul);
  border-color: var(--azul);
  color: #fff;
  font-weight: 700;
}
.boton--primario:hover { background: #24497f; }

/* ---------- Lecturas ---------- */
.lecturas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
}
.lectura {
  background: #f5f7fa;
  border-radius: 12px;
  padding: 14px;
  text-align: center;
  font-size: .85rem;
  color: var(--suave);
}
.lectura .valor {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--azul);
  font-family: Consolas, monospace;
}
.etiqueta { display: block; font-size: .75rem; color: var(--suave); text-transform: uppercase; }

.telemetria {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}
.telemetria > div {
  background: #f5f7fa;
  border-radius: 10px;
  padding: 10px 12px;
  display: grid;
  gap: 4px;
}
.telemetria strong { font-family: Consolas, monospace; font-size: 1.15rem; color: var(--azul); }

/* ---------- Gráficas ---------- */
.grafica { position: relative; height: 260px; margin-top: 10px; }

/* ---------- Tablas ---------- */
.tabla-desliza { overflow-x: auto; margin-top: 10px; }
.tabla {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
  font-variant-numeric: tabular-nums;
}
.tabla th, .tabla td {
  padding: 7px 9px;
  border-bottom: 1px solid var(--borde);
  text-align: right;
  white-space: nowrap;
}
.tabla th { background: #f5f7fa; color: var(--azul); }
.tabla th:first-child, .tabla td:first-child { text-align: left; }
.tabla td.vacio { color: var(--error); }

/* ---------- Regla y relé ---------- */
.regla {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  font-size: .9rem;
  margin-bottom: 6px;
}
.regla label { display: grid; gap: 4px; }
.auto { display: flex !important; align-items: center; gap: 6px; cursor: pointer; font-weight: 600; }
.rele {
  display: grid;
  justify-items: center;
  gap: 14px;
  padding: 6px 0;
}
.foco {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: #e0e0e0;
  border: 4px solid #cfd8dc;
  transition: background .25s, box-shadow .25s;
}
.foco.encendido {
  background: #fdd835;
  border-color: #f9a825;
  box-shadow: 0 0 28px 8px #fdd83599;
}
.interruptor { position: relative; width: 84px; height: 44px; cursor: pointer; }
.interruptor input { opacity: 0; width: 0; height: 0; }
.riel {
  position: absolute;
  inset: 0;
  background: #b0bec5;
  border-radius: 999px;
  transition: background .25s;
}
.riel::before {
  content: "";
  position: absolute;
  width: 36px;
  height: 36px;
  left: 4px;
  top: 4px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 1px 3px #0005;
  transition: transform .25s;
}
.interruptor input:checked + .riel { background: var(--ok); }
.interruptor input:checked + .riel::before { transform: translateX(40px); }
.interruptor input:disabled + .riel { opacity: .6; cursor: not-allowed; }
.interruptor input:focus-visible + .riel { outline: 3px solid #1e88e5; outline-offset: 2px; }
.estado-rele { margin: 0; font-weight: 800; letter-spacing: 1px; color: var(--suave); }
.estado-rele.encendido { color: var(--ok); }

/* ---------- Pie ---------- */
.pie {
  text-align: center;
  color: var(--suave);
  font-size: .8rem;
  padding: 10px 16px 24px;
}

@media (max-width: 480px) {
  .lectura .valor { font-size: 1.6rem; }
  .grafica { height: 220px; }
}