/* ═══ Cotizador CandiSign — estética "herramienta de precisión" ═══
   Modo oscuro (default) y claro vía [data-theme]. Números en monoespaciada. */

:root, html[data-theme="dark"] {
  --bg:        #0a0a0a;
  --bg-panel:  #111113;
  --bg-hover:  #1a1a1e;
  --border:    #2a2a2e;
  --border-hi: #3f3f46;
  --texto:     #e8e8ea;
  --texto-dim: #8a8a92;
  --acento:    #e8c34a;          /* dorado industrial */
  --acento-tx: #0a0a0a;
  --ok:        #4ade80;
  --peligro:   #f87171;
  --sombra:    none;
}

html[data-theme="light"] {
  --bg:        #f4f4f2;
  --bg-panel:  #ffffff;
  --bg-hover:  #f0f0ee;
  --border:    #d9d9d4;
  --border-hi: #b9b9b2;
  --texto:     #1a1a1a;
  --texto-dim: #6b6b66;
  --acento:    #1a1a1a;
  --acento-tx: #ffffff;
  --ok:        #15803d;
  --peligro:   #b91c1c;
  --sombra:    0 1px 3px rgba(0,0,0,.08);
}

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

body {
  background: var(--bg);
  color: var(--texto);
  font: 14px/1.5 -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  min-height: 100vh;
}

.num, input[type="number"] {
  font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  font-variant-numeric: tabular-nums;
}

/* ─── Barra superior ─── */
.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 10px; letter-spacing: .12em; font-size: 12px; color: var(--texto-dim); }
.brand b { color: var(--texto); }
.brand img { width: 34px; height: 34px; border-radius: 4px; }
.tabs { display: flex; gap: 4px; margin-left: auto; }
.tab {
  background: none; border: 1px solid transparent; color: var(--texto-dim);
  padding: 7px 16px; cursor: pointer; font-size: 13px; letter-spacing: .05em;
  border-radius: 3px;
}
.tab:hover { color: var(--texto); background: var(--bg-hover); }
.tab.active { color: var(--texto); border-color: var(--border-hi); background: var(--bg-hover); }
.theme-toggle {
  background: none; border: 1px solid var(--border); color: var(--texto);
  width: 34px; height: 34px; border-radius: 3px; cursor: pointer; font-size: 16px;
}
.theme-toggle:hover { border-color: var(--border-hi); }

/* ─── Layout de vistas ─── */
.view { display: none; padding: 20px; gap: 20px; }
.view.active { display: flex; align-items: flex-start; }
#view-cotizar.active { flex-wrap: wrap; }

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: var(--sombra);
  padding: 18px;
}
.panel-izq { flex: 1.4; min-width: 380px; }
.panel-der { flex: 1; min-width: 340px; position: sticky; top: 76px; }
.panel.ancho { flex: 1; }
.panel.medio { max-width: 520px; flex: 1; }

.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.panel-head h2 { font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--texto-dim); }

input[type="text"], input[type="search"], input[type="number"],
input[type="email"], input[type="password"], select {
  background: var(--bg); border: 1px solid var(--border); color: var(--texto);
  padding: 8px 10px; border-radius: 3px; font-size: 14px; width: 100%;
}
input:focus, select:focus { outline: none; border-color: var(--border-hi); }
#buscador { max-width: 220px; }

/* ─── Lista de productos ─── */
.lista-productos { max-height: calc(100vh - 200px); overflow-y: auto; }
.cat-titulo {
  font-size: 11px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--acento); padding: 14px 4px 6px; border-bottom: 1px solid var(--border);
}
html[data-theme="light"] .cat-titulo { color: #8a6d00; }
.prod {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 4px; border-bottom: 1px solid var(--border); cursor: pointer;
}
.prod:hover { background: var(--bg-hover); }
.prod .info { flex: 1; min-width: 0; }
.prod .nombre { font-size: 13.5px; }
.prod .detalle { font-size: 11.5px; color: var(--texto-dim); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.prod .precio { font-size: 13.5px; white-space: nowrap; }
.prod .add {
  border: 1px solid var(--border-hi); background: none; color: var(--texto);
  width: 26px; height: 26px; border-radius: 3px; cursor: pointer; font-size: 15px; line-height: 1;
}
.prod .add:hover { background: var(--acento); color: var(--acento-tx); border-color: var(--acento); }

/* ─── Resumen ─── */
.campo { margin-bottom: 12px; }
.campo label { display: block; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--texto-dim); margin-bottom: 5px; }

.resumen-items { border-top: 1px solid var(--border); margin-top: 6px; }
.resumen-items .vacio { color: var(--texto-dim); font-size: 13px; padding: 16px 4px; text-align: center; }
.item {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 2px; border-bottom: 1px solid var(--border); font-size: 13px;
}
.item .nombre { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.item input.cant { width: 58px; padding: 4px 6px; text-align: right; font-size: 13px; }
.item .importe { min-width: 80px; text-align: right; }
.item .quitar { background: none; border: none; color: var(--peligro); cursor: pointer; font-size: 15px; padding: 2px 6px; }
.item .min-warn { color: var(--peligro); font-size: 10.5px; }

/* ─── Toggles descuento/urgencia ─── */
.toggle-row { display: flex; align-items: center; gap: 10px; margin: 12px 0 4px; font-size: 13.5px; }
.pct-inline { display: inline-flex; align-items: center; gap: 4px; margin-left: auto; color: var(--texto-dim); }
.pct-inline input { width: 64px; padding: 4px 6px; text-align: right; font-size: 13px; }
.pct-inline input:disabled { opacity: .35; }
.switch { position: relative; width: 40px; height: 22px; display: inline-block; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
  position: absolute; inset: 0; background: var(--border); border-radius: 22px;
  transition: .15s; cursor: pointer;
}
.slider::before {
  content: ""; position: absolute; width: 16px; height: 16px; left: 3px; top: 3px;
  background: var(--texto); border-radius: 50%; transition: .15s;
}
.switch input:checked + .slider { background: var(--acento); }
.switch input:checked + .slider::before { transform: translateX(18px); background: var(--acento-tx); }

/* ─── Totales ─── */
.totales { border-top: 1px solid var(--border-hi); margin-top: 10px; padding-top: 10px; }
.totales .linea { display: flex; justify-content: space-between; padding: 4px 0; font-size: 13.5px; }
.totales .linea.total { border-top: 1px solid var(--border-hi); margin-top: 6px; padding-top: 10px; font-size: 16px; font-weight: 700; }
.totales .linea.total .num { color: var(--acento); }
html[data-theme="light"] .totales .linea.total .num { color: var(--texto); }

.acciones { display: flex; gap: 10px; margin-top: 16px; }
.btn {
  padding: 10px 16px; border-radius: 3px; cursor: pointer; font-size: 13px;
  letter-spacing: .06em; border: 1px solid var(--border-hi); background: none; color: var(--texto);
}
.btn:hover { background: var(--bg-hover); }
.btn.pri { background: var(--acento); color: var(--acento-tx); border-color: var(--acento); flex: 1; font-weight: 600; }
.btn.pri:hover { filter: brightness(1.1); }
.btn.chico { padding: 4px 10px; font-size: 12px; }
.nota-borrador { font-size: 11px; color: var(--texto-dim); margin-top: 10px; text-align: center; }

/* ─── Tablas ─── */
.tabla { width: 100%; border-collapse: collapse; font-size: 13px; }
.tabla th {
  text-align: left; font-size: 11px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--texto-dim); padding: 8px 10px; border-bottom: 1px solid var(--border-hi);
}
.tabla td { padding: 8px 10px; border-bottom: 1px solid var(--border); }
.tabla tr:hover td { background: var(--bg-hover); }
.tabla th.num, .tabla td.num { text-align: right; }
.tabla .estado-finalizada { color: var(--ok); }
.tabla .estado-cancelada { color: var(--peligro); text-decoration: line-through; }
.tabla .acciones-cell { display: flex; gap: 6px; }
.precio-edit { cursor: pointer; border-bottom: 1px dashed var(--texto-dim); }
.hint { font-size: 12px; color: var(--texto-dim); margin-bottom: 10px; }
.btn.peligro { border-color: var(--peligro); color: var(--peligro); }
.btn.peligro:hover { background: var(--peligro); color: var(--bg); }
.filtros { display: flex; gap: 8px; align-items: center; }
.filtros input[type="search"] { width: 220px; }
.filtros input[type="date"] { width: 150px; color-scheme: dark; }
html[data-theme="light"] .filtros input[type="date"] { color-scheme: light; }

/* ─── Catálogo (dos secciones apiladas) ─── */
#view-catalogo.active { flex-direction: column; }
#view-catalogo .panel { width: 100%; }

/* ─── Costeo (calculadora de material) ─── */
.panel-costeo { flex: 0 1 340px; min-width: 300px; position: sticky; top: 76px; }
.panel-costeo-res { flex: 1; min-width: 380px; }
.fila-doble { display: flex; align-items: center; gap: 8px; }
.fila-doble .por { color: var(--texto-dim); }

.costeo-stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px; margin-bottom: 14px;
}
.costeo-stats .stat {
  border: 1px solid var(--border); border-radius: 3px; padding: 10px 12px;
}
.costeo-stats .stat .lbl {
  display: block; font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--texto-dim); margin-bottom: 4px;
}
.costeo-stats .stat .val { font-size: 17px; }
.costeo-stats .stat.grande { border-color: var(--acento); }
.costeo-stats .stat.grande .val { color: var(--acento); font-weight: 700; }
html[data-theme="light"] .costeo-stats .stat.grande .val { color: var(--texto); }
.nota-minimo { font-size: 12px; color: var(--acento); margin-bottom: 12px; }
html[data-theme="light"] .nota-minimo { color: #8a6d00; }

.diagrama { overflow-x: auto; }
.diagrama svg { display: block; max-width: 100%; height: auto; }
.dg-rollo  { fill: var(--bg); stroke: var(--border-hi); }
.dg-pieza  { fill: var(--acento); fill-opacity: .14; stroke: var(--acento); stroke-width: 1; }
.dg-texto  { fill: var(--texto-dim); font-size: 11px; font-family: "SF Mono", ui-monospace, Menlo, monospace; }
.dg-cota   { stroke: var(--texto-dim); stroke-width: 1; }
.dg-corte  { stroke: var(--texto-dim); stroke-width: 1; stroke-dasharray: 5 4; }

.btn-block { width: 100%; margin-top: 4px; }

.log-costeo { margin-top: 16px; border-top: 1px solid var(--border); padding-top: 10px; }
.log-costeo summary {
  cursor: pointer; font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--texto-dim);
}
.log-costeo summary:hover { color: var(--texto); }
.log-head { display: flex; justify-content: flex-end; margin: 8px 0 2px; }
.log-item {
  display: flex; gap: 12px; align-items: baseline;
  padding: 7px 4px; border-bottom: 1px solid var(--border);
  font-size: 12.5px; cursor: pointer;
}
.log-item:hover { background: var(--bg-hover); }
.log-fecha { color: var(--texto-dim); white-space: nowrap; font-size: 11.5px; }
.log-desc { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.log-res { white-space: nowrap; }

@media (max-width: 820px) {
  .panel-costeo { position: static; width: 100%; }
}

/* ─── Ajustes ─── */
.form-ajustes .campo { max-width: 320px; }
.ok { color: var(--ok); font-size: 13px; margin-left: 10px; }

/* ─── Login ─── */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-wrap { width: 100%; max-width: 380px; padding: 20px; }
.login-card { display: block; }
.login-brand {
  display: flex; align-items: center; gap: 10px; justify-content: center;
  letter-spacing: .12em; font-size: 12px; color: var(--texto-dim); margin-bottom: 18px;
}
.login-brand b { color: var(--texto); }
.login-brand img { width: 40px; height: 40px; border-radius: 4px; }
.login-card h2 {
  font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--texto-dim); text-align: center; margin-bottom: 14px;
}
.login-btn { width: 100%; margin-top: 6px; }
.login-error { color: var(--peligro); font-size: 13px; margin: 4px 0 10px; }

/* ─── Usuario en la barra superior ─── */
.usuario-chip { font-size: 12.5px; color: var(--texto-dim); white-space: nowrap; }

/* ─── Toast ─── */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--bg-panel); border: 1px solid var(--border-hi); color: var(--texto);
  padding: 12px 20px; border-radius: 4px; font-size: 13.5px; z-index: 100;
  box-shadow: 0 4px 20px rgba(0,0,0,.4);
}
.toast.error { border-color: var(--peligro); color: var(--peligro); }

@media (max-width: 820px) {
  .view.active { flex-direction: column; }
  .panel-der { position: static; width: 100%; }
}