/* ============================================================
   RENGIX — design system applied to the 3D configurator.
   Architectural minimalism: paper, ink, red-as-scalpel, sharp
   0px corners, 1px rules, mono meta-labels, faint 96px grid.
   ============================================================ */

:root {
  /* Ink */
  --ink: #122220;
  --ink-2: #1d3530;
  --ink-soft: #43544f;
  --ink-mute: #7d8a85;
  /* Paper */
  --paper: #f4f2ec;
  --paper-2: #ecebe3;
  --paper-3: #ffffff;
  /* Rules */
  --rule: #d8dad3;
  --rule-soft: #eaeae3;
  --rule-2: #c0c2ba; /* divisor más marcado (panel / secciones) */
  /* Accent */
  --accent: #c83a2e;
  --accent-deep: #9d2a20;
  /* Functional status (constraint meters) — muted to fit the paper palette */
  --meter-ok: #4f8a5f;
  --meter-warn: #c98a3a;
  /* Fonts */
  --font-display: "Inter Tight", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  /* Grid */
  --grid: rgba(18, 34, 32, 0.045);

  font-family: var(--font-body);
  color: var(--ink);
  color-scheme: light;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--paper); color: var(--ink); }
body { overflow: hidden; font-size: 15px; }

#app { display: flex; height: 100vh; width: 100vw; background: var(--paper); }

/* ---- 3D stage ---- */
#stage { position: relative; flex: 1 1 auto; min-width: 0; height: 100%; background: var(--paper); }
#scene { display: block; width: 100%; height: 100%; }

#topbar {
  position: absolute; top: 0; left: 0; right: 0; padding: 26px 28px;
  display: flex; justify-content: space-between; align-items: flex-start;
  pointer-events: none; z-index: 5;
}
.brand { display: flex; flex-direction: column; gap: 4px; }
.logo {
  font-family: var(--font-display); font-weight: 700; font-size: 22px;
  letter-spacing: 0.04em; color: var(--ink); line-height: 1;
}
.logo .x, .x { color: var(--accent); }
.brand-sub {
  font-family: var(--font-mono); font-size: 11px; font-weight: 400;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-soft);
}
.hint-pill {
  pointer-events: none; background: rgba(255, 255, 255, 0.72); color: var(--ink-soft);
  backdrop-filter: blur(4px); font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.04em; padding: 7px 12px; border: 1px solid var(--rule);
}

#toolbar {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 0; z-index: 6;
  background: rgba(255, 255, 255, 0.82); border: 1px solid var(--rule);
  backdrop-filter: blur(6px);
}
.tb {
  appearance: none; border: 0; border-right: 1px solid var(--rule); background: transparent;
  color: var(--ink); font-family: var(--font-display); font-size: 13px; font-weight: 500;
  padding: 11px 18px; cursor: pointer; transition: background 0.15s, color 0.15s;
  white-space: nowrap; letter-spacing: 0.01em;
}
.tb:last-child { border-right: 0; }
.tb:hover { background: var(--paper-2); }
.tb.active { background: var(--accent); color: var(--paper-3); }

/* ---- panel ---- */
#panel {
  width: 416px; flex: 0 0 416px; height: 100%; overflow-y: auto; position: relative;
  background: var(--paper); border-left: 2px solid var(--rule-2);
  padding: 0 28px 36px; scrollbar-width: thin; scrollbar-color: var(--rule) transparent;
}
/* faint architectural grid behind panel content */
#panel::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 55%, transparent 78%);
  mask-image: linear-gradient(180deg, #000 0%, #000 55%, transparent 78%);
}
#panel > * { position: relative; z-index: 1; }
#panel::-webkit-scrollbar { width: 10px; }
#panel::-webkit-scrollbar-thumb { background: var(--rule); }

.cfg-brand {
  position: sticky; top: 0; z-index: 3; background: var(--paper);
  padding: 24px 0 16px; border-bottom: 1px solid var(--rule); margin-bottom: 4px;
}
.cfg-logo { font-family: var(--font-display); font-size: 24px; font-weight: 700; letter-spacing: 0.04em; color: var(--ink); }
.cfg-tag {
  font-family: var(--font-mono); font-size: 10.5px; text-transform: uppercase;
  letter-spacing: 0.09em; color: var(--ink-mute); margin-top: 5px;
}

.cfg-step { padding: 22px 0; border-top: 1px solid var(--rule-2); }
.cfg-step:first-of-type { border-top: 0; }
.cfg-h {
  display: flex; align-items: center; gap: 11px; font-family: var(--font-display);
  font-size: 15px; font-weight: 600; letter-spacing: -0.01em; margin: 0 0 16px; color: var(--ink);
}
.cfg-num {
  display: grid; place-items: center; width: 22px; height: 22px; flex: 0 0 auto;
  border: 0; font-family: var(--font-mono); font-size: 11px;
  font-weight: 600; color: var(--paper-3); background: var(--accent);
}

.hint { font-family: var(--font-body); font-size: 12.5px; color: var(--ink-soft); margin: -4px 0 14px; line-height: 1.55; text-wrap: pretty; }
.muted { color: var(--ink-mute); }

/* swatches */
.swatch-grid { display: grid; gap: 0; border: 1px solid var(--rule); }
.swatch-grid.cols-1 { grid-template-columns: 1fr; }
.swatch-grid.cols-2 { grid-template-columns: 1fr 1fr; }
.swatch {
  display: flex; align-items: center; gap: 11px; text-align: left; cursor: pointer;
  background: var(--paper-3); border: 0; border-bottom: 1px solid var(--rule); color: var(--ink);
  padding: 11px 13px; font: inherit; transition: background 0.14s, box-shadow 0.14s;
  position: relative; margin: -0.5px; outline: 1px solid var(--rule); outline-offset: -0.5px;
}
.swatch:hover { background: var(--paper-2); }
.swatch.is-active { background: var(--paper-2); box-shadow: inset 0 0 0 2px var(--accent); z-index: 2; }
.swatch-chip { width: 28px; height: 28px; flex: 0 0 auto; border: 1px solid var(--rule); }
.swatch-label { font-family: var(--font-body); font-size: 13px; font-weight: 500; line-height: 1.25; display: flex; flex-direction: column; }
.swatch-label small { font-family: var(--font-mono); font-weight: 400; font-size: 10px; letter-spacing: 0.04em; color: var(--ink-mute); margin-top: 3px; text-transform: uppercase; }

/* tipologías: tarjetas grandes en 2 columnas con esquema SVG de la puerta */
.typ-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.typ-card {
  display: flex; flex-direction: column; align-items: stretch; gap: 7px; cursor: pointer;
  background: var(--paper-3); border: 1px solid var(--rule); color: var(--ink);
  padding: 10px 9px 11px; font: inherit; text-align: center;
  transition: background 0.14s, box-shadow 0.14s;
}
.typ-card:hover { background: var(--paper-2); }
.typ-card.is-active { background: var(--paper-2); box-shadow: inset 0 0 0 2px var(--accent); }
.typ-svg { width: 100%; height: 46px; display: block; }
.typ-name { font-family: var(--font-body); font-size: 12px; font-weight: 500; line-height: 1.15; }
.typ-sub { font-family: var(--font-mono); font-size: 9px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-mute); }

/* sizes */
.size-row { margin-bottom: 20px; }
.size-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 9px; }
.size-head > span:first-child { font-family: var(--font-body); font-size: 13px; font-weight: 500; }
#w-range, #h-range { font-family: var(--font-mono); font-size: 10.5px; color: var(--ink-mute); letter-spacing: 0.03em; }
.slider-line { display: flex; align-items: center; gap: 13px; }
.slider-line input[type="range"] { flex: 1; }
.num { display: flex; align-items: center; gap: 5px; background: var(--paper-3); border: 1px solid var(--rule); padding: 5px 9px; }
.num input { width: 52px; background: transparent; border: 0; color: var(--ink); font-family: var(--font-mono); font-size: 13px; font-weight: 500; text-align: right; }
.num span { font-family: var(--font-mono); font-size: 10px; color: var(--ink-mute); text-transform: uppercase; }
.leaf-note { font-family: var(--font-mono); font-size: 10.5px; margin-top: 9px; color: var(--ink-mute); letter-spacing: 0.03em; }

/* meters */
.meters { display: grid; gap: 13px; margin-top: 4px; }
.meter-top { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-mute); margin-bottom: 6px; }
.bar { height: 6px; background: var(--paper-2); border: 1px solid var(--rule); overflow: hidden; }
.bar i { display: block; height: 100%; width: 0%; background: var(--meter-ok); transition: width 0.25s, background 0.25s; }
.bar i.warn { background: var(--meter-warn); }
.bar i.over { background: var(--accent); }

/* generic inputs */
input[type="text"], input[type="number"], select {
  background: var(--paper-3); border: 1px solid var(--rule); color: var(--ink);
  padding: 10px 12px; font-family: var(--font-body); font-size: 13px; width: 100%;
}
select option { background-color: var(--paper-3); color: var(--ink); }
input:focus, select:focus { outline: none; border-color: var(--ink); }
select { cursor: pointer; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 12 12'%3E%3Cpath fill='%237d8a85' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; padding-right: 30px; }

.field { display: block; margin-bottom: 13px; }
.field > span { display: block; font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-mute); margin-bottom: 6px; }
.field > span b { color: var(--ink); }
.check { display: flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 500; margin: 11px 0; cursor: pointer; }
.check input { width: 16px; height: 16px; accent-color: var(--accent); }

.jp-box { max-height: 0; overflow: hidden; opacity: 0; transition: max-height 0.25s, opacity 0.25s; }
.jp-box.open { max-height: 480px; opacity: 1; margin-top: 8px; padding: 14px; background: var(--paper-3); border: 1px solid var(--rule); }

/* range slider */
input[type="range"] { -webkit-appearance: none; appearance: none; height: 1px; background: var(--ink-mute); outline: none; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 14px; height: 14px; background: var(--paper-3); cursor: pointer; border: 1.5px solid var(--ink); }
input[type="range"]::-webkit-slider-thumb:hover { border-color: var(--accent); background: var(--accent); }
input[type="range"]::-moz-range-thumb { width: 12px; height: 12px; background: var(--paper-3); cursor: pointer; border: 1.5px solid var(--ink); border-radius: 0; }

/* validation */
.validation { margin: 14px 0; padding: 12px 14px; border: 1px solid var(--rule); background: var(--paper-3); }
.vtag { display: inline-flex; align-items: center; gap: 7px; font-family: var(--font-mono); font-size: 10px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; }
.vtag .dot { width: 7px; height: 7px; flex: 0 0 auto; background: var(--ink-mute); }
.validation.ok { border-color: var(--rule); }
.validation.ok .vtag { color: var(--ink-soft); }
.validation.ok .dot { background: var(--ink-2); }
.validation.warn { border-color: var(--ink-mute); }
.validation.warn .dot { background: var(--ink-2); }
.validation.err { border-color: var(--accent); }
.validation.err .vtag { color: var(--accent); }
.validation.err .dot { background: var(--accent); }
.validation ul { margin: 9px 0 0; padding-left: 16px; line-height: 1.5; font-size: 12px; color: var(--ink-soft); }

/* summary */
.summary { display: grid; gap: 0; margin-bottom: 16px; border-top: 1px solid var(--rule-soft); }
.sum-row { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--rule-soft); font-size: 12.5px; }
.sum-row span { font-family: var(--font-mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-mute); }
.sum-row b { font-weight: 500; text-align: right; color: var(--ink); }

.cutlist { margin-bottom: 18px; }
.cut-title { font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-mute); margin-bottom: 8px; }
.cutlist table { width: 100%; border-collapse: collapse; font-family: var(--font-mono); font-size: 11px; border: 1px solid var(--rule); }
.cutlist th { text-align: left; color: var(--ink-mute); font-weight: 500; padding: 6px 8px; border-bottom: 1px solid var(--rule); font-size: 9.5px; text-transform: uppercase; letter-spacing: 0.05em; background: var(--paper-2); }
.cutlist td { padding: 6px 8px; border-bottom: 1px solid var(--rule-soft); color: var(--ink); }
.cutlist tr:last-child td { border-bottom: 0; }
.cutlist td:nth-child(3), .cutlist td:nth-child(4), .cutlist th:nth-child(3), .cutlist th:nth-child(4) { text-align: right; }

/* price */
.price-card { background: var(--paper-3); border: 1px solid var(--rule); padding: 16px 16px 14px; margin-bottom: 14px; }
.price-row { display: flex; justify-content: space-between; align-items: baseline; padding: 4px 0; }
.price-row span { font-family: var(--font-mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-mute); }
.price-row b { font-family: var(--font-mono); font-size: 13px; font-weight: 500; color: var(--ink); }
.price-row.total { border-top: 1px solid var(--rule); margin-top: 8px; padding-top: 12px; align-items: baseline; }
.price-row.total span { color: var(--ink); font-size: 11px; }
.price-row.total b { font-family: var(--font-display); font-size: 30px; font-weight: 600; letter-spacing: -0.02em; color: var(--accent); }
.pvp { font-family: var(--font-mono); font-size: 9.5px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-mute); margin-top: 10px; }

/* buttons */
.btn {
  appearance: none; border: 1px solid var(--ink); background: transparent; color: var(--ink);
  font-family: var(--font-display); font-size: 12.5px; font-weight: 500; padding: 12px 16px;
  cursor: pointer; transition: background 0.15s, color 0.15s, border-color 0.15s; letter-spacing: 0.01em;
}
.btn:hover { background: var(--accent); border-color: var(--accent); color: var(--paper-3); }
.btn-accent { background: var(--ink); border-color: var(--ink); color: var(--paper-3); }
.btn-accent:hover { background: var(--accent); border-color: var(--accent); }
.w-full { width: 100%; display: block; text-align: center; text-decoration: none; margin-top: 12px; }
.pdf-btns { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }

/* dealer */
.dealer-card { background: var(--paper-3); border: 1px solid var(--rule); padding: 14px 15px; margin-top: 12px; }
.dealer-name { font-family: var(--font-display); font-weight: 600; font-size: 14px; margin-bottom: 5px; }
.dealer-card .muted { font-family: var(--font-mono); font-size: 10.5px; line-height: 1.6; letter-spacing: 0.02em; }

.foot { font-family: var(--font-mono); font-size: 9.5px; line-height: 1.6; letter-spacing: 0.03em; color: var(--ink-mute); margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--rule); text-transform: uppercase; }

/* loading */
#loading { position: fixed; inset: 0; display: grid; place-items: center; background: var(--paper); z-index: 50; transition: opacity 0.5s; }
#loading.hide { opacity: 0; pointer-events: none; }
.loader { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.loader-mark { font-family: var(--font-display); font-weight: 700; font-size: 30px; letter-spacing: 0.05em; color: var(--ink); }
.loader-txt { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-mute); }
.blink { animation: blink 1.1s steps(1) infinite; color: var(--accent); }
@keyframes blink { 50% { opacity: 0; } }
.err-load { color: var(--accent); text-align: center; font-family: var(--font-mono); font-size: 13px; line-height: 1.7; max-width: 440px; }

/* responsive */
@media (max-width: 920px) {
  #app { flex-direction: column; }
  #stage { flex: 0 0 50vh; height: 50vh; }
  #panel { width: 100%; flex: 1 1 auto; height: auto; border-left: 0; border-top: 1px solid var(--rule); padding: 0 20px 28px; }
  #toolbar { bottom: 12px; }
  .cfg-brand { position: static; }
  .hint-pill { display: none; }
  #topbar { padding: 16px 18px; }
}

@media (prefers-reduced-motion: reduce) { .blink { animation: none; } }

/* TEMP — ocultar logotipos de marca (para restaurar: borrar este bloque) */
.logo, .cfg-logo, .loader-mark { display: none; }