/* scada.css — estilos dos widgets operador-facing (Fase 3).
   BEM + tokens (nunca cor hardcoded). Valores dinâmicos entram por custom properties
   setadas no JS (--valor-pct / --alarme-pct); aqui só o consumo. */

.widget {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius, 12px);
  box-shadow: var(--shadow);
  padding: 16px 18px;
  color: var(--text);
}
.widget__titulo {
  font-size: .62rem;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 800;
  margin-bottom: 10px;
}
.widget--desconhecido {
  color: var(--muted);
  font-size: .8rem;
}

/* ── KPI ────────────────────────────────────────────────────── */
.widget-kpi__label {
  font-size: .62rem;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 800;
}
.widget-kpi__value {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-top: 6px;
}
.widget-kpi__num {
  font-size: 1.7rem;
  line-height: 1;
  letter-spacing: -.02em;
}
.widget-kpi__unit {
  font-size: .85rem;
  color: var(--muted);
  font-weight: 700;
}
.widget-kpi__ref {
  display: block;
  margin-top: 6px;
  font-size: .6rem;
  color: var(--muted);
}

/* ── Lâmpada de estado (usada solta e na grade) ─────────────── */
.widget-lampada,
.widget-grid-estado__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
}
.widget-lampada__luz,
.widget-grid-estado__luz {
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: var(--muted);
  box-shadow: inset 0 0 0 3px var(--panel);
}
.widget-lampada__luz.is-on,
.widget-grid-estado__luz.is-on {
  background: var(--ok);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--ok) 14%, transparent),
              inset 0 0 0 3px color-mix(in srgb, var(--ok) 78%, #fff);
}
.widget-lampada__label,
.widget-grid-estado__label {
  font-size: .68rem;
  line-height: 1.2;
}
.widget-lampada__estado,
.widget-grid-estado__estado {
  font-size: .62rem;
  color: var(--ok);
  font-weight: 800;
}
.widget-lampada__ref,
.widget-grid-estado__ref {
  font-size: .58rem;
  color: var(--muted);
}

/* ── Grade de estados ───────────────────────────────────────── */
.widget-grid-estado__grade {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}
.widget-grid-estado__item {
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 11px 7px;
  min-height: 92px;
  justify-content: flex-start;
}

/* ── Barra de pressão ───────────────────────────────────────── */
.widget-barra__leitura {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 8px 0 14px;
}
.widget-barra__valor {
  font-size: 2.6rem;
  line-height: .9;
  letter-spacing: -.05em;
}
.widget-barra__unidade {
  font-size: 1rem;
  font-weight: 800;
  color: var(--muted);
}
.widget-barra__trilha {
  position: relative;
  height: 10px;
  border-radius: 99px;
  background: var(--panel2);
  border: 1px solid var(--line);
  overflow: visible;
}
.widget-barra__preenchido {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--valor-pct, 0%);
  border-radius: 99px;
  background: linear-gradient(90deg, var(--ok), color-mix(in srgb, var(--ok) 78%, var(--accent)));
  transition: width .3s ease;
}
.widget-barra.is-alarme .widget-barra__preenchido {
  background: linear-gradient(90deg, var(--alarm), color-mix(in srgb, var(--alarm) 70%, var(--warn)));
}
.widget-barra__marca-alarme {
  position: absolute;
  top: -5px;
  left: var(--alarme-pct, 60%);
  width: 2px;
  height: 18px;
  background: var(--alarm);
  border-radius: 2px;
}
.widget-barra__escala {
  display: flex;
  justify-content: space-between;
  margin-top: 7px;
  font-size: .58rem;
  color: var(--muted);
}
.widget-barra__escala-alarme {
  color: var(--alarm);
  font-weight: 800;
}
.widget-barra__ref {
  display: block;
  margin-top: 12px;
  font-size: .58rem;
  color: var(--muted);
}

@media (max-width: 780px) {
  .widget-grid-estado__grade {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (prefers-reduced-motion: reduce) {
  .widget-barra__preenchido {
    transition: none;
  }
}

/* ─────────────────────── Páginas operador-facing (Fase 4) ─────────────────────── */
.scada-page { max-width: 1400px; margin: 0 auto; }
.scada-page__crumb { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; font-size: .8rem; color: var(--muted); }
.scada-page__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.scada-page__lead { display: flex; align-items: flex-end; gap: 14px; min-width: 0; }
@media (max-width: 520px) { .scada-page__lead { flex-direction: column; align-items: flex-start; gap: 10px; } }
.scada-page__back { flex: 0 0 auto; white-space: nowrap; }
.scada-page__title { margin: 0; font-size: 1.7rem; letter-spacing: -.02em; }
.scada-page__sub { margin: 4px 0 0; color: var(--muted); font-size: .82rem; }
.scada-page__summary { display: flex; gap: 7px; align-items: center; flex-wrap: wrap; }

.scada-state { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 48px 20px; color: var(--muted); text-align: center; }
.scada-state--error { color: var(--alarm); }

/* Grid de cards de máquina */
.machine-card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 560px), 1fr)); gap: 18px; }
.machine-card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); overflow: hidden; position: relative; }
.machine-card::before { content: ''; position: absolute; inset: 0 0 auto 0; height: 3px; background: linear-gradient(90deg, var(--accent), transparent 70%); }
.machine-card__head { display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; padding: 18px 20px 14px; border-bottom: 1px solid var(--line); background: linear-gradient(180deg, color-mix(in srgb, var(--panel2) 55%, transparent), var(--panel)); }
.machine-card__eyebrow { font-size: .58rem; letter-spacing: .13em; color: var(--muted); font-weight: 900; }
.machine-card__name { font-size: 1.15rem; margin: 4px 0 7px; letter-spacing: -.02em; }
.machine-card__pills { display: flex; gap: 6px; flex-wrap: wrap; }
.machine-card__actions { display: flex; gap: 8px; }
.machine-card__body { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; padding: 16px 20px; }
.machine-card__empty { color: var(--muted); font-size: .8rem; grid-column: 1 / -1; }
.machine-card__alarm { margin: 0 20px 16px; padding: 10px 12px; border: 1px solid color-mix(in srgb, var(--alarm) 36%, var(--line)); background: color-mix(in srgb, var(--alarm) 7%, var(--panel)); border-radius: 10px; font-size: .78rem; }
.machine-card__alarm b { color: var(--alarm); }

/* SCADA de uma máquina */
.machine-scada-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 16px; }
.machine-scada-alarm { margin-top: 16px; padding: 12px 14px; border: 1px solid color-mix(in srgb, var(--alarm) 36%, var(--line)); background: color-mix(in srgb, var(--alarm) 7%, var(--panel)); border-radius: 12px; }
.machine-scada-alarm b { color: var(--alarm); }

/* Pills de status reaproveitáveis */
.st { display: inline-flex; align-items: center; gap: 6px; font-size: .58rem; font-weight: 800; letter-spacing: .04em; padding: 4px 9px; border-radius: 999px; text-transform: uppercase; }
.st::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.st--ok { color: var(--ok); background: color-mix(in srgb, var(--ok) 13%, transparent); }
.st--off { color: var(--muted); background: var(--panel2); }
.st--warn { color: var(--warn); background: color-mix(in srgb, var(--warn) 13%, transparent); }
.st--alarm { color: var(--alarm); background: color-mix(in srgb, var(--alarm) 12%, transparent); }

/* ─────────────────────── Gráfico de linha + Dados Técnicos (Fase 5) ─────────────────────── */
.widget-grafico__canvas { width: 100%; height: 190px; display: block; margin-top: 6px; }
.widget-grafico__ref { display: block; margin-top: 8px; font-size: .58rem; color: var(--muted); }
.machine-trends { margin-top: 22px; }
.machine-trends__bar { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.machine-trends__bar b { font-size: .95rem; }

.tech-search { max-width: 260px; }
.tech-tabs { border-bottom: 1px solid var(--line); margin-bottom: 14px; }
.tech-tabs .nav-link { color: var(--muted); border: 0; border-bottom: 2px solid transparent; background: transparent; font-size: .82rem; font-weight: 700; padding: 8px 12px; }
.tech-tabs .nav-link.active { color: var(--text); border-bottom-color: var(--accent); }
.tech-count { caption-side: top; text-align: right; color: var(--muted); font-size: .72rem; padding: 0 0 6px; }

/* ─────────────────────── Modal do multimedidor (Fase 6) ─────────────────────── */
.energy-modal-bg { position: fixed; inset: 0; background: rgba(0,0,0,.55); display: flex; align-items: center; justify-content: center; padding: 22px; z-index: 1080; }
.energy-modal { width: min(920px, 96vw); max-height: 90vh; overflow: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 15px; box-shadow: 0 24px 80px rgba(0,0,0,.5); }
.energy-modal__head { position: sticky; top: 0; background: var(--panel); display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 18px; border-bottom: 1px solid var(--line); }
.energy-modal__head h2 { margin: 0; font-size: 1.1rem; }
.energy-modal__head p { margin: 3px 0 0; color: var(--muted); font-size: .72rem; }
.energy-modal__body { padding: 16px 18px; }
.energy-modal__kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 16px; }
.energy-kpi { background: var(--panel2); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }
.energy-kpi__label { font-size: .6rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 800; }
.energy-kpi__value { font-size: 1.3rem; margin-top: 5px; letter-spacing: -.02em; }
.num { font-variant-numeric: tabular-nums; }

/* ─────────────────────── Designer de painel (Fase 7) ─────────────────────── */
.designer-painel { border-top: 1px solid var(--line); padding: 12px 0; }
.designer-painel:first-child { border-top: 0; }
.designer-painel__escopo { font-size: .6rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); font-weight: 800; margin-bottom: 8px; }
.designer-widget { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.designer-widget:last-child { border-bottom: 0; }
.designer-widget__tipo { font-family: var(--mono, monospace); font-size: .7rem; color: var(--accent); min-width: 110px; }
.designer-widget__titulo { flex: 1; font-size: .85rem; }
.designer-widget__chaves { display: flex; gap: 6px; flex-wrap: wrap; }
.designer-select { max-width: 120px; }