/* ============================================================
   Analizador de consumo eléctrico
   Tema claro, acento ámbar (energía). Distinto del cuadro azul
   (predictivo), el verde (visión) y el turquesa (motores).
   ============================================================ */

:root {
  --fondo: #f3f1ec;
  --fondo-alt: #e9e5dd;
  --panel: #ffffff;
  --panel-alt: #faf7f2;
  --linea: #e2ddd3;
  --linea-fuerte: #cdc6b8;
  --tinta: #221f18;
  --suave: #5c554a;
  --tenue: #938b7c;
  --ambar: #bd7a0f;            /* acento: ámbar de energía */
  --ambar-claro: #fbefd7;
  --verde: #3f7a34;
  --rojo: #c23a34;
  --rojo-claro: #fbe9e7;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  color: var(--tinta);
  -webkit-font-smoothing: antialiased;
  background:
    radial-gradient(1100px 520px at 82% -8%, rgba(189, 122, 15, 0.10), transparent 60%),
    linear-gradient(180deg, #f6f4ef 0%, var(--fondo) 100%);
  background-attachment: fixed;
}

main, .cab, .pie { max-width: 1240px; margin: 0 auto; padding-left: clamp(16px, 4vw, 44px); padding-right: clamp(16px, 4vw, 44px); }

/* ------------------------------------------------------------ Cabecera */
.cab { padding-top: clamp(34px, 6vw, 68px); }
.cab__marca { display: flex; align-items: center; gap: 18px; }

/* Rayo de energía */
.cab__rayo {
  position: relative;
  width: 46px; height: 46px;
  flex-shrink: 0;
  border-radius: 12px;
  background: var(--ambar-claro);
  border: 1px solid rgba(189, 122, 15, 0.35);
}
.cab__rayo::before {
  content: '';
  position: absolute; inset: 0;
  margin: auto;
  width: 16px; height: 24px;
  background: var(--ambar);
  clip-path: polygon(55% 0, 15% 55%, 45% 55%, 40% 100%, 85% 42%, 52% 42%);
}

.cab__eyebrow {
  margin: 0 0 4px;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ambar);
}
.cab h1 { margin: 0; font-size: clamp(1.5rem, 3.6vw, 2.2rem); font-weight: 700; letter-spacing: -0.025em; }
.cab__sub { margin: 16px 0 0; font-size: 1.05rem; color: var(--suave); max-width: 64ch; }
.cab__sub em { color: var(--ambar); font-style: normal; font-weight: 600; }

/* ------------------------------------------------------------ KPIs */
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--linea); border: 1px solid var(--linea); border-radius: 10px; overflow: hidden; margin: clamp(28px, 4vw, 44px) 0 18px; }
.kpi { padding: 20px; background: var(--panel); min-width: 0; }
.kpi--alta { border-top: 2px solid var(--ambar); background: linear-gradient(180deg, #fffdf8, var(--panel)); }
.kpi span { display: block; font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--tenue); }
.kpi b { display: block; margin: 8px 0 2px; font-family: var(--mono); font-size: 1.9rem; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.kpi--alta b { color: var(--ambar); }
.kpi i { font-style: normal; font-size: 0.75rem; color: var(--tenue); }

/* ------------------------------------------------------------ Paneles */
.panel { padding: 22px; background: var(--panel); border: 1px solid var(--linea); border-radius: 10px; box-shadow: 0 1px 2px rgba(34, 31, 24, 0.04); margin-bottom: 18px; }
.panel__cab { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.panel__cab h2 { margin: 0; font-size: 1.1rem; font-weight: 600; letter-spacing: -0.01em; }
.panel__cab p { margin: 3px 0 0; font-size: 0.85rem; color: var(--tenue); }

.callout { text-align: right; padding: 8px 16px; background: var(--ambar-claro); border: 1px solid rgba(189, 122, 15, 0.3); border-radius: 8px; }
.callout span { display: block; font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ambar); }
.callout b { display: block; font-family: var(--mono); font-size: 1.7rem; font-weight: 700; color: var(--ambar); font-variant-numeric: tabular-nums; }
.callout i { font-style: normal; font-size: 0.72rem; color: var(--suave); }

/* Controles del historial y toggles de tarifa */
.controles { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.segmento { display: inline-flex; background: var(--panel-alt); border: 1px solid var(--linea-fuerte); border-radius: 8px; padding: 2px; }
.segmento button { font: inherit; font-size: 0.82rem; padding: 6px 13px; border: none; background: none; color: var(--suave); border-radius: 6px; cursor: pointer; transition: all 0.15s; }
.segmento button.is-on { background: var(--ambar); color: #fff; font-weight: 600; }
.nav { display: inline-flex; align-items: center; gap: 8px; }
.nav button { width: 34px; height: 34px; font-size: 0.85rem; color: var(--tinta); background: var(--panel-alt); border: 1px solid var(--linea-fuerte); border-radius: 8px; cursor: pointer; transition: all 0.15s; }
.nav button:hover { border-color: var(--ambar); color: var(--ambar); }
.nav span { font-family: var(--mono); font-size: 0.84rem; min-width: 168px; text-align: center; color: var(--tinta); }

.lecturas { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--linea); border: 1px solid var(--linea); border-radius: 8px; overflow: hidden; margin-bottom: 14px; }
.lecturas > div { padding: 11px 14px; background: var(--panel-alt); }
.lecturas span { display: block; font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--tenue); margin-bottom: 3px; }
.lecturas b { font-family: var(--mono); font-size: 1.12rem; font-variant-numeric: tabular-nums; }

.grafica { position: relative; min-width: 0; height: 240px; }
.grafica--alta { height: 320px; }

.nota { margin: 14px 0 0; padding-top: 13px; border-top: 1px solid var(--linea); font-size: 0.86rem; line-height: 1.66; color: var(--suave); }
.nota strong { color: var(--tinta); }
.nota em { color: var(--ambar); font-style: normal; font-weight: 500; }
.nota-techo { color: var(--tenue); }

.rejilla { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

/* Lista de episodios anómalos */
.episodios { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 6px; }
.episodios li { display: flex; align-items: baseline; gap: 10px; padding: 9px 11px; background: var(--rojo-claro); border-left: 2px solid var(--rojo); font-size: 0.84rem; cursor: pointer; transition: filter 0.12s; }
.episodios li:hover { filter: brightness(0.97); }
.episodios b { font-family: var(--mono); color: var(--rojo); white-space: nowrap; }
.episodios span { color: var(--suave); }
.episodios em { font-style: normal; color: var(--tenue); font-family: var(--mono); font-size: 0.78rem; margin-left: auto; white-space: nowrap; }

/* ------------------------------------------------------------ Pie */
.pie { padding-top: 24px; padding-bottom: 56px; margin-top: 20px; border-top: 1px solid var(--linea-fuerte); font-size: 0.82rem; color: var(--tenue); }
.pie p { margin: 0 0 6px; max-width: 86ch; }
.pie strong { color: var(--suave); }
.pie em { color: var(--suave); font-style: normal; }

/* ------------------------------------------------------------ Adaptación */
@media (max-width: 920px) {
  .kpis { grid-template-columns: 1fr 1fr; }
  .rejilla { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .panel__cab { flex-direction: column; }
  .callout { text-align: left; align-self: stretch; }
  .lecturas { grid-template-columns: 1fr 1fr; }
  .controles { width: 100%; justify-content: space-between; }
  .nav span { min-width: 0; flex: 1; }
}