/* ArmaPC — sistema visual "PCB": máscara azul, cobre, serigrafía blanca. */

:root {
  --bg: #0d1420;
  --panel: #131c2c;
  --panel-2: #182338;
  --line: #253350;
  --copper: #d98e4a;
  --copper-dim: #8a5e34;
  --silk: #e9eef7;
  --dim: #8894ab;
  --ok: #4cc38a;
  --warn: #e5b454;
  --bad: #e5484d;
  --mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  --sans: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; margin: 0; }

body {
  background: var(--bg);
  color: var(--silk);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.45;
}

a { color: var(--copper); }

button { font: inherit; cursor: pointer; }

/* ---------- header ---------- */
header {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  padding: 14px 24px;
  border-bottom: 1px solid var(--line);
}

.marca {
  font-weight: 900;
  font-stretch: expanded;
  font-size: 22px;
  letter-spacing: 0.02em;
}
.marca span { color: var(--copper); }

.marca-sub {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.perfiles { display: flex; gap: 8px; margin-left: auto; }

.chip {
  background: none;
  border: 1px solid var(--line);
  color: var(--dim);
  border-radius: 4px;
  padding: 6px 14px;
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.chip[aria-pressed="true"] {
  border-color: var(--copper);
  color: var(--copper);
  background: rgba(217, 142, 74, 0.08);
}

/* ---------- layout ---------- */
main {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 0;
  min-height: calc(100vh - 120px);
}

/* ---------- riel de armado (firma) ---------- */
.riel {
  border-right: 1px solid var(--line);
  padding: 20px 16px 90px;
}

.riel-titulo {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin: 0 8px 14px;
}

.slot {
  position: relative;
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 10px 12px 10px 34px;
  color: var(--silk);
}
.slot + .slot { margin-top: 4px; }

/* traza de cobre que conecta los slots */
.slot::before {
  content: "";
  position: absolute;
  left: 16px;
  top: -6px;
  bottom: -6px;
  width: 2px;
  background: var(--line);
}
.slot:first-of-type::before { top: 18px; }
.slot:last-of-type::before { bottom: auto; height: 24px; }
.slot.lleno::before { background: var(--copper-dim); }

/* pad del componente */
.slot::after {
  content: "";
  position: absolute;
  left: 12px;
  top: 16px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--line);
  background: var(--bg);
}
.slot.lleno::after { border-color: var(--copper); background: var(--copper); }
.slot.warn::after { border-color: var(--warn); background: var(--warn); }

.slot.activo { border-color: var(--copper); background: rgba(217, 142, 74, 0.06); }
.slot:hover { background: var(--panel-2); }
.slot:focus-visible { outline: 2px solid var(--copper); outline-offset: 1px; }

.slot .ref {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--copper);
  letter-spacing: 0.1em;
}
.slot .paso-nombre { font-weight: 600; font-size: 14px; }
.slot .eleccion {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--dim);
  display: block;
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.slot .eleccion.pendiente { font-style: italic; }
.slot .eleccion .precio { color: var(--copper); }

/* ---------- panel de catálogo ---------- */
.catalogo { padding: 20px 24px 110px; min-width: 0; }

.cat-header {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}
.cat-header h2 { font-size: 20px; font-weight: 800; font-stretch: expanded; }
.cat-header .ref {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--copper);
  letter-spacing: 0.1em;
}
.cat-nota {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--dim);
  margin-bottom: 14px;
}

.orden { display: flex; gap: 8px; margin-left: auto; }

.tarjetas { display: grid; gap: 8px; }

.tarjeta {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 16px;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 12px 16px;
}
.tarjeta.elegida { border-color: var(--copper); }
.tarjeta.bloqueada { opacity: 0.55; }

.tarjeta .nombre { font-weight: 600; }
.tarjeta .spec { font-family: var(--mono); font-size: 12px; color: var(--dim); }
.tarjeta .precio {
  font-family: var(--mono);
  font-size: 15px;
  color: var(--copper);
  grid-row: 1;
  grid-column: 2;
  text-align: right;
}

.tarjeta .acciones { grid-column: 2; grid-row: 2; text-align: right; }

.btn {
  background: var(--copper);
  color: #14100a;
  border: none;
  border-radius: 4px;
  padding: 6px 16px;
  font-weight: 700;
  font-size: 13px;
}
.btn:hover { filter: brightness(1.1); }
.btn:disabled { background: var(--line); color: var(--dim); cursor: not-allowed; }
.btn:focus-visible { outline: 2px solid var(--silk); outline-offset: 1px; }
.btn.sec { background: none; border: 1px solid var(--line); color: var(--silk); font-weight: 600; }

.avisos { grid-column: 1 / -1; display: flex; flex-direction: column; gap: 2px; }
.aviso { font-family: var(--mono); font-size: 12px; }
.aviso.hard { color: var(--bad); }
.aviso.soft { color: var(--warn); }

/* ---------- barra inferior ---------- */
.barra {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  background: var(--panel);
  border-top: 1px solid var(--line);
  padding: 12px 24px;
}

.dato { font-family: var(--mono); font-size: 12px; color: var(--dim); }
.dato b { display: block; font-size: 16px; color: var(--silk); font-weight: 600; }
.dato b.cobre { color: var(--copper); }
.dato b.excede { color: var(--bad); }

.medidor { flex: 1; min-width: 160px; max-width: 320px; }
.medidor-pista {
  height: 6px;
  background: var(--line);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 6px;
}
.medidor-relleno {
  height: 100%;
  background: var(--ok);
  border-radius: 3px;
  transition: width 0.3s, background 0.3s;
}
.medidor-relleno.warn { background: var(--warn); }
.medidor-relleno.bad { background: var(--bad); }

/* ---------- resumen ---------- */
.resumen h2 { font-size: 22px; font-weight: 800; font-stretch: expanded; margin-bottom: 4px; }

.resumen-lista { display: grid; gap: 6px; margin: 16px 0; }
.res-item {
  display: grid;
  grid-template-columns: 90px 1fr auto auto;
  gap: 14px;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 10px 14px;
}
.res-item .ref { font-family: var(--mono); font-size: 11px; color: var(--copper); }
.res-item .precio { font-family: var(--mono); color: var(--copper); }
.res-item a { font-size: 13px; white-space: nowrap; }

.res-total {
  font-family: var(--mono);
  font-size: 18px;
  text-align: right;
  padding: 10px 14px;
}
.res-total b { color: var(--copper); }

.res-avisos { display: grid; gap: 6px; margin: 14px 0; }
.res-aviso {
  border-left: 3px solid var(--warn);
  background: var(--panel);
  padding: 8px 12px;
  font-size: 13.5px;
}
.res-aviso.ok { border-color: var(--ok); }
.res-aviso.bad { border-color: var(--bad); }

.descargo { font-size: 12.5px; color: var(--dim); margin-top: 18px; max-width: 62ch; }

@media (max-width: 820px) {
  main { grid-template-columns: 1fr; }
  .riel { border-right: none; border-bottom: 1px solid var(--line); padding-bottom: 16px; }
  .res-item { grid-template-columns: 1fr auto; }
  .res-item .ref { grid-column: 1 / -1; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}