/* =========================================================
   EL RETO E×C×T=R — estilos propios de la bitácora
   Se apoya en los tokens de style.css (Planta y Manuscrito).
   ========================================================= */

/* --- portada del reto: registro "planta" --- */
.reto-hero {
  background: var(--graphite);
  color: var(--paper);
  padding: clamp(72px, 11vw, 130px) var(--edge) clamp(48px, 7vw, 80px);
  border-bottom: 1px solid var(--line-on-dark);
}

.reto-hero-inner { max-width: var(--wrap); margin: 0 auto; }

.reto-hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.6rem);
  max-width: 16ch;
}
.reto-hero h1 em { color: var(--ember); font-style: italic; }

.reto-lede {
  max-width: 58ch;
  font-size: 1.06rem;
  color: rgba(243, 235, 218, 0.85);
}

.reto-verse {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--steel);
  font-size: 0.98rem;
  max-width: 58ch;
  margin-top: 20px;
}

.reto-narrow { max-width: 640px; }

/* --- formulario de la meta --- */
.reto-form { display: grid; gap: 6px; margin-top: 28px; }

.reto-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 14px;
  opacity: 0.8;
}

.reto-form input[type="text"],
.reto-form input[type="number"],
.parte-factores input[type="text"] {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 12px 14px;
  border-radius: 4px;
  border: 1px solid var(--line-on-dark);
  background: var(--graphite-2);
  color: var(--paper);
}

.reto-form .btn { margin-top: 24px; justify-self: start; }

/* --- cabecera del parte de turno --- */
.parte-cabecera {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 36px;
  padding-bottom: 20px;
  border-bottom: 1px dashed var(--line-on-dark);
}

.parte-motivo {
  font-family: var(--font-display);
  font-style: italic;
  color: rgba(243, 235, 218, 0.7);
  margin: 0;
}

.parte-dia { text-align: right; }

.parte-dia-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--ember);
}

.parte-dia-fecha {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  opacity: 0.7;
}

/* --- rejilla del registro --- */
.parte-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

@media (max-width: 820px) {
  .parte-grid { grid-template-columns: 1fr; }
  .parte-dia { text-align: left; }
}

/* --- factores --- */
.factor { margin-bottom: 26px; }

.factor-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
}

.factor-letra {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--steel);
  min-width: 1.2ch;
}
.factor[data-factor="e"] .factor-letra { color: var(--ember); }
.factor[data-factor="t"] .factor-letra { color: var(--kraft); }

.factor-nombre {
  font-weight: 600;
  letter-spacing: 0.01em;
}

.factor-valor {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 600;
}

.factor-guia {
  font-size: 0.85rem;
  color: rgba(243, 235, 218, 0.6);
  margin: 6px 0 0;
}

/* sliders con la identidad del sitio */
.factor input[type="range"] {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  height: 6px;
  border-radius: 3px;
  background: var(--graphite-2);
  outline-offset: 4px;
  cursor: pointer;
}
.factor input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--ember);
  border: 2px solid var(--paper);
}
.factor input[type="range"]::-moz-range-thumb {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--ember);
  border: 2px solid var(--paper);
}

/* --- panel del resultado en vivo --- */
.parte-resultado {
  background: var(--graphite-2);
  border: 1px solid var(--line-on-dark);
  border-radius: 6px;
  padding: 28px;
  text-align: center;
  position: sticky;
  top: 90px;
}

.resultado-ecuacion {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  color: rgba(243, 235, 218, 0.85);
}

.re-op { opacity: 0.5; }
.re-num small { opacity: 0.6; font-size: 0.75em; }

.resultado-r {
  font-family: var(--font-mono);
  font-size: clamp(3rem, 8vw, 4.4rem);
  font-weight: 600;
  color: var(--paper);
  line-height: 1.1;
  margin: 10px 0 2px;
  transition: color 0.2s ease;
}

.resultado-r.es-cero { color: #B2432B; }
.resultado-r.es-alto { color: var(--ember); }

.resultado-etiqueta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  opacity: 0.6;
  margin-bottom: 16px;
}

.resultado-lectura {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.98rem;
  color: rgba(243, 235, 218, 0.85);
  min-height: 3.2em;
}

.resultado-guardado {
  margin-top: 14px;
  color: var(--steel);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* --- estadísticas de la curva --- */
.curva-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin: 28px 0;
}

.stat {
  border: 1px solid var(--line-on-light);
  border-radius: 6px;
  padding: 18px;
  background: var(--kraft-light);
}

.stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 600;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.7;
}

/* --- aviso del punto de quiebre --- */
.quiebre-banner {
  border-left: 4px solid var(--ember);
  background: var(--kraft-light);
  padding: 16px 20px;
  border-radius: 0 6px 6px 0;
  margin-bottom: 24px;
}
.quiebre-banner strong { color: var(--ember); margin-right: 6px; }

/* --- gráfica --- */
.curva-canvas-wrap {
  background: var(--kraft-light);
  border: 1px solid var(--line-on-light);
  border-radius: 6px;
  padding: 20px;
  margin-bottom: 28px;
}

#curva-canvas { width: 100%; display: block; }

.curva-leyenda {
  display: flex;
  gap: 20px;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.ley::before {
  content: "";
  display: inline-block;
  width: 14px; height: 8px;
  margin-right: 6px;
  border-radius: 2px;
}
.ley-barra::before { background: var(--steel); }
.ley-linea::before { background: var(--ember); height: 3px; vertical-align: middle; }

/* --- lista de la bitácora --- */
.bitacora-lista { margin-bottom: 28px; }

.bitacora-fila {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  gap: 14px;
  align-items: baseline;
  padding: 12px 4px;
  border-bottom: 1px solid var(--line-on-light);
  font-size: 0.95rem;
}

.bitacora-fila .bf-dia {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--steel);
}

.bitacora-fila .bf-detalle { opacity: 0.85; }
.bitacora-fila .bf-nota { display: block; font-style: italic; opacity: 0.7; font-size: 0.88rem; }

.bitacora-fila .bf-r {
  font-family: var(--font-mono);
  font-weight: 600;
}

.curva-acciones { display: flex; gap: 14px; flex-wrap: wrap; }

/* =========================================================
   PWA · frase del día, recordatorios, compartir e instalar
   ========================================================= */

/* --- frase del día: voz de manuscrito sobre la planta --- */
.frase-dia {
  margin: 0 0 36px;
  padding: 20px 24px;
  border-left: 3px solid var(--steel);
  background: var(--graphite-2);
  border-radius: 0 6px 6px 0;
}

.frase-dia p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.08rem;
  color: var(--paper);
  margin: 0 0 6px;
}

.frase-dia cite {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel);
}

/* --- aviso de racha en riesgo --- */
.aviso-racha {
  margin-bottom: 24px;
  padding: 14px 18px;
  border-left: 3px solid var(--ember);
  background: rgba(193, 98, 45, 0.12);
  border-radius: 0 6px 6px 0;
  color: var(--paper);
  font-size: 0.95rem;
}

/* --- paneles de ajustes e instalación (registro kraft) --- */
.ajustes-panel, .instalar-panel {
  margin-top: 36px;
  padding: 24px;
  border: 1px solid var(--line-on-light);
  border-radius: 6px;
  background: var(--kraft-light);
}

.ajustes-titulo {
  font-size: 1.15rem;
  margin-bottom: 6px;
}

.ajustes-texto {
  font-size: 0.92rem;
  opacity: 0.85;
  max-width: 55ch;
}

.ajustes-fila {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
  margin-top: 14px;
}

/* interruptor accesible sin librerías */
.interruptor {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
}

.interruptor input {
  position: absolute;
  opacity: 0;
  width: 1px; height: 1px;
}

.interruptor-pista {
  width: 44px; height: 24px;
  border-radius: 12px;
  background: rgba(27, 31, 38, 0.25);
  position: relative;
  transition: background 0.2s ease;
  flex-shrink: 0;
}

.interruptor-pista::after {
  content: "";
  position: absolute;
  top: 3px; left: 3px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--kraft-light);
  transition: transform 0.2s ease;
}

.interruptor input:checked + .interruptor-pista { background: var(--ember); }
.interruptor input:checked + .interruptor-pista::after { transform: translateX(20px); }
.interruptor input:focus-visible + .interruptor-pista {
  outline: 2px solid var(--ember);
  outline-offset: 3px;
}

.ajuste-hora {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.ajuste-hora input[type="time"] {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  padding: 8px 10px;
  border-radius: 4px;
  border: 1px solid var(--line-on-light);
  background: var(--kraft);
  color: var(--ink);
}

.ajustes-estado {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ember);
  min-height: 1.2em;
}

.instalar-panel .btn { margin-top: 8px; }
.instalar-ios { margin-top: 10px; }