/* Plataforma BIM UNP — colores del escudo de la Universidad Nacional de Piura */
:root {
  --unp-azul: #1f2a6e;      /* campo del escudo */
  --unp-azul-2: #2c3a8c;
  --unp-celeste: #4a90d9;   /* anillo del escudo */
  --unp-rojo: #c0282d;      /* borde del escudo */
  --unp-oro: #e8b323;       /* rayos y libro */
  --fondo: #f4f6fb;
  --panel: #ffffff;
  --borde: #dde2ee;
  --texto: #1d2333;
  --suave: #5d667a;
  --tenue: #8a93a6;
  --foco: #4a90d9;
  --sombra: 0 1px 2px rgba(20, 30, 70, .06), 0 4px 16px rgba(20, 30, 70, .06);
  --radio: 10px;
  --barra-h: 60px;
  --lateral-w: 300px;
  color-scheme: light;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--texto); background: var(--fondo); overflow: hidden;
}
a { color: var(--unp-azul-2); }
button { font: inherit; }
[hidden] { display: none !important; }

/* ---------- barra superior ---------- */
.barra {
  height: var(--barra-h); display: flex; align-items: center; gap: 14px; padding: 0 16px;
  background: var(--unp-azul); color: #fff; border-bottom: 3px solid var(--unp-oro); position: relative; z-index: 30;
}
.marca { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; flex-shrink: 0; }
.marca img { width: 40px; height: 40px; }
.marca-texto { display: flex; flex-direction: column; line-height: 1.1; }
.marca-texto b { font-size: 17px; letter-spacing: .2px; }
.marca-texto small { font-size: 11.5px; opacity: .8; }
.buscador { flex: 1; max-width: 560px; margin-left: auto; }
.buscador input {
  width: 100%; height: 38px; border-radius: 19px; border: 0; padding: 0 16px 0 38px; font: inherit; color: var(--texto);
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235d667a' stroke-width='2.4'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-4-4'/%3E%3C/svg%3E") no-repeat 14px center;
}
.buscador input:focus { outline: 3px solid var(--unp-celeste); }
.btn-campus {
  display: inline-flex; align-items: center; gap: 4px; height: 38px; padding: 0 14px; border-radius: 19px;
  background: rgba(255,255,255,.12); color: #fff; text-decoration: none; white-space: nowrap; border: 1px solid rgba(255,255,255,.25);
}
.btn-campus:hover { background: rgba(255,255,255,.22); }
.admin-chip { background: var(--unp-oro); color: #2a2100; font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 12px; white-space: nowrap; }
.btn-icono { background: none; border: 0; color: inherit; font-size: 22px; width: 40px; height: 40px; border-radius: 8px; cursor: pointer; }
.btn-icono:hover { background: rgba(127,127,127,.15); }

/* ---------- estructura ---------- */
.cuerpo { display: flex; height: calc(100% - var(--barra-h)); }
.lateral {
  width: var(--lateral-w); flex-shrink: 0; overflow-y: auto; background: var(--panel); border-right: 1px solid var(--borde);
  padding: 10px 0 30px;
}
main { flex: 1; overflow-y: auto; min-width: 0; outline: none; }
.velo { position: fixed; inset: var(--barra-h) 0 0 0; background: rgba(10,15,40,.4); z-index: 19; }

/* ---------- árbol lateral ---------- */
.lat-titulo { font-size: 11.5px; font-weight: 700; color: var(--tenue); text-transform: uppercase; letter-spacing: .6px; padding: 14px 18px 6px; }
.lat-fac > summary, .lat-item {
  display: flex; align-items: center; gap: 8px; padding: 7px 14px 7px 18px; cursor: pointer; color: var(--texto);
  text-decoration: none; list-style: none; font-size: 14px; border-left: 3px solid transparent;
}
.lat-fac > summary::-webkit-details-marker { display: none; }
.lat-fac > summary::before { content: "▸"; color: var(--tenue); font-size: 11px; width: 10px; transition: transform .15s; }
.lat-fac[open] > summary::before { transform: rotate(90deg); }
.lat-fac > summary:hover, .lat-item:hover { background: #f1f4fa; }
.lat-item { padding-left: 40px; font-size: 13.5px; color: var(--suave); }
.lat-item.activo { background: #e8eefb; color: var(--unp-azul); font-weight: 600; border-left-color: var(--unp-azul); }
.punto { width: 10px; height: 10px; border-radius: 3px; flex-shrink: 0; }
.cuenta { margin-left: auto; font-size: 11.5px; color: var(--tenue); background: #eef1f7; border-radius: 9px; padding: 0 7px; min-width: 22px; text-align: center; }
.cuenta.con { background: #dfe9fb; color: var(--unp-azul-2); font-weight: 600; }
.lat-fac.vacia > summary { color: var(--tenue); }

/* ---------- páginas ---------- */
.pagina { max-width: 1240px; margin: 0 auto; padding: 22px 24px 60px; }
.migas { font-size: 13px; color: var(--suave); margin-bottom: 10px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.migas a { color: var(--suave); text-decoration: none; }
.migas a:hover { color: var(--unp-azul-2); text-decoration: underline; }
h1 { font-size: 26px; margin: 0 0 4px; line-height: 1.2; }
h2 { font-size: 18px; margin: 28px 0 12px; }
.sub { color: var(--suave); margin: 0 0 18px; }

.portada {
  background: linear-gradient(120deg, var(--unp-azul) 0%, var(--unp-azul-2) 55%, #3567b8 100%); color: #fff;
  border-radius: 16px; padding: 30px 32px; display: flex; gap: 26px; align-items: center; box-shadow: var(--sombra); position: relative; overflow: hidden;
}
.portada::after { content: ""; position: absolute; right: -60px; top: -60px; width: 260px; height: 260px; border-radius: 50%; border: 30px solid rgba(232,179,35,.18); }
.portada img { width: 92px; height: 92px; flex-shrink: 0; position: relative; z-index: 1; }
.portada h1 { font-size: 30px; }
.portada p { margin: 6px 0 0; opacity: .9; max-width: 640px; }
.cifras { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }
.cifra { background: rgba(255,255,255,.12); border-radius: 10px; padding: 8px 14px; min-width: 110px; }
.cifra b { display: block; font-size: 22px; }
.cifra span { font-size: 12.5px; opacity: .85; }

.grilla-fac { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }
.tarjeta-fac {
  background: var(--panel); border: 1px solid var(--borde); border-radius: var(--radio); padding: 16px; text-decoration: none; color: inherit;
  display: flex; flex-direction: column; gap: 8px; border-top: 4px solid var(--c, var(--unp-azul)); box-shadow: var(--sombra); transition: transform .12s, box-shadow .12s;
}
.tarjeta-fac:hover { transform: translateY(-2px); box-shadow: 0 6px 22px rgba(20,30,70,.12); }
.tarjeta-fac .sigla { font-size: 12px; font-weight: 700; color: var(--c); letter-spacing: .5px; }
.tarjeta-fac b { font-size: 15px; line-height: 1.25; }
.tarjeta-fac .pie { margin-top: auto; font-size: 12.5px; color: var(--suave); }
.tarjeta-fac.vacia { opacity: .62; box-shadow: none; }
.tarjeta-fac img.logo { width: 44px; height: 44px; float: right; }

.cab-edificio { display: flex; gap: 18px; align-items: flex-start; flex-wrap: wrap; }
.cab-edificio img.logo { width: 72px; height: 72px; }
.cab-edificio .acciones { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }
.boton {
  display: inline-flex; align-items: center; gap: 6px; height: 36px; padding: 0 14px; border-radius: 8px; border: 1px solid var(--borde);
  background: var(--panel); color: var(--texto); text-decoration: none; cursor: pointer; font-size: 14px; white-space: nowrap;
}
.boton:hover { border-color: var(--unp-celeste); background: #f6f9ff; }
.boton.primario { background: var(--unp-azul); border-color: var(--unp-azul); color: #fff; }
.boton.primario:hover { background: var(--unp-azul-2); }
.boton.peligro { color: var(--unp-rojo); }
.boton:disabled { opacity: .5; cursor: default; }

.pestanas { display: flex; gap: 4px; border-bottom: 1px solid var(--borde); margin: 20px 0 16px; overflow-x: auto; scrollbar-width: thin; }
.pestana {
  padding: 9px 14px; border: 0; background: none; cursor: pointer; color: var(--suave); border-bottom: 3px solid transparent; white-space: nowrap; font-size: 14px;
}
.pestana:hover { color: var(--texto); }
.pestana.activa { color: var(--unp-azul); border-bottom-color: var(--unp-azul); font-weight: 600; }
.pestana .cuenta { margin-left: 6px; }

.herr-lista { display: flex; gap: 8px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.herr-lista .filtro { flex: 1; min-width: 160px; max-width: 320px; height: 34px; border: 1px solid var(--borde); border-radius: 8px; padding: 0 10px; font: inherit; }
.seg { display: inline-flex; border: 1px solid var(--borde); border-radius: 8px; overflow: hidden; margin-left: auto; }
.seg button { border: 0; background: var(--panel); padding: 6px 10px; cursor: pointer; color: var(--suave); }
.seg button.activo { background: #e8eefb; color: var(--unp-azul); }

.grilla-arch { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.tarjeta-arch {
  background: var(--panel); border: 1px solid var(--borde); border-radius: var(--radio); overflow: hidden; text-decoration: none; color: inherit;
  display: flex; flex-direction: column; box-shadow: var(--sombra); transition: transform .12s, box-shadow .12s; position: relative;
}
.tarjeta-arch:hover { transform: translateY(-2px); box-shadow: 0 6px 22px rgba(20,30,70,.12); }
.mini { aspect-ratio: 4 / 3; background: #eef1f7 center / cover no-repeat; display: grid; place-items: center; position: relative; }
.mini .icono-tipo { font-size: 46px; opacity: .55; }
.etq-formato { position: absolute; left: 8px; top: 8px; font-size: 11px; font-weight: 700; padding: 2px 7px; border-radius: 5px; color: #fff; background: var(--c, #4a5568); }
.tarjeta-arch .info { padding: 10px 12px 12px; display: flex; flex-direction: column; gap: 3px; }
.tarjeta-arch .info b { font-size: 14px; line-height: 1.3; overflow-wrap: anywhere; }
.tarjeta-arch .info small { color: var(--suave); font-size: 12.5px; }
.marca-estado { position: absolute; right: 8px; top: 8px; font-size: 11px; padding: 2px 7px; border-radius: 5px; background: #fff; border: 1px solid var(--borde); }
.marca-estado.priv { background: #fff4e5; border-color: #f3c27a; color: #8a5300; }
.marca-estado.quit { background: #fdecec; border-color: #f0a3a3; color: #9b1c1c; }
.marca-estado.pend { background: #eef1f7; color: var(--suave); }
.marca-estado.err { background: #fdecec; border-color: #f0a3a3; color: #9b1c1c; }

table.lista { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--borde); border-radius: var(--radio); overflow: hidden; font-size: 14px; }
table.lista th, table.lista td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--borde); }
table.lista th { font-size: 12px; color: var(--suave); background: #f8f9fc; font-weight: 600; }
table.lista tr:last-child td { border-bottom: 0; }
table.lista tr.fila { cursor: pointer; }
table.lista tr.fila:hover td { background: #f6f9ff; }

.vacio { text-align: center; padding: 40px 20px; color: var(--suave); background: var(--panel); border: 1px dashed var(--borde); border-radius: var(--radio); }
.vacio b { display: block; color: var(--texto); margin-bottom: 4px; }
.aviso { background: #fff8e6; border: 1px solid #f1d38a; border-radius: 8px; padding: 10px 14px; font-size: 14px; margin: 12px 0; }

/* ---------- visor de archivo (pantalla completa) ---------- */
.visor { display: flex; flex-direction: column; height: 100%; background: #e9ecf3; }
.visor-cab { display: flex; align-items: center; gap: 10px; padding: 8px 14px; background: var(--panel); border-bottom: 1px solid var(--borde); min-height: 52px; }
.visor-cab .titulo { min-width: 0; }
.visor-cab .titulo b { display: block; font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.visor-cab .titulo small { color: var(--suave); font-size: 12.5px; }
.visor-cab .acciones { margin-left: auto; display: flex; gap: 6px; }
.visor-cuerpo { flex: 1; display: flex; min-height: 0; position: relative; }
.visor-lienzo { flex: 1; position: relative; min-width: 0; overflow: hidden; }
.visor-panel { width: 340px; flex-shrink: 0; background: var(--panel); border-left: 1px solid var(--borde); overflow-y: auto; font-size: 13.5px; }
.visor-panel.izq { border-left: 0; border-right: 1px solid var(--borde); width: 300px; }
.panel-sec { padding: 12px 14px; border-bottom: 1px solid var(--borde); }
.panel-sec h3 { font-size: 12px; text-transform: uppercase; letter-spacing: .5px; color: var(--tenue); margin: 0 0 8px; }
dl.props { margin: 0; display: grid; grid-template-columns: minmax(90px, 40%) 1fr; gap: 4px 10px; }
dl.props dt { color: var(--suave); overflow-wrap: anywhere; }
dl.props dd { margin: 0; overflow-wrap: anywhere; }
details.pset { border-top: 1px solid #eef1f7; padding: 6px 0; }
details.pset > summary { cursor: pointer; font-weight: 600; font-size: 13px; color: var(--unp-azul); }
details.pset dl { margin-top: 6px; }

.herr-3d {
  position: absolute; left: 50%; bottom: 16px; transform: translateX(-50%); display: flex; gap: 2px; background: rgba(255,255,255,.96);
  border: 1px solid var(--borde); border-radius: 12px; padding: 4px; box-shadow: 0 6px 24px rgba(20,30,70,.18); z-index: 5; max-width: calc(100% - 24px); overflow-x: auto;
}
.herr-3d button {
  border: 0; background: none; min-width: 52px; padding: 6px 8px; border-radius: 8px; cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 2px;
  font-size: 11px; color: var(--suave);
}
.herr-3d button .i { font-size: 18px; line-height: 1; color: var(--texto); }
.herr-3d button:hover { background: #eef2fb; }
.herr-3d button.activo { background: var(--unp-azul); color: #fff; }
.herr-3d button.activo .i { color: #fff; }
.herr-3d .sep { width: 1px; background: var(--borde); margin: 4px 2px; }
.flotante { position: absolute; z-index: 6; background: rgba(255,255,255,.97); border: 1px solid var(--borde); border-radius: 10px; box-shadow: 0 6px 24px rgba(20,30,70,.18); padding: 10px 12px; font-size: 13px; }
.ayuda { position: absolute; left: 12px; top: 12px; z-index: 4; font-size: 12.5px; background: rgba(31,42,110,.88); color: #fff; padding: 6px 10px; border-radius: 8px; pointer-events: none; max-width: calc(100% - 24px); }
.cargando { position: absolute; inset: 0; display: grid; place-items: center; z-index: 8; background: rgba(233,236,243,.85); font-size: 14px; color: var(--suave); text-align: center; }
.cargando .barra-prog { width: 220px; height: 6px; border-radius: 3px; background: #d5dbe8; margin: 10px auto 0; overflow: hidden; }
.cargando .barra-prog i { display: block; height: 100%; width: 0; background: var(--unp-azul); transition: width .2s; }

/* árbol del modelo */
.arbol { font-size: 13px; }
.arbol details { margin-left: 12px; }
.arbol > details { margin-left: 0; }
.arbol summary { cursor: pointer; padding: 3px 4px; border-radius: 5px; display: flex; align-items: center; gap: 6px; list-style: none; }
.arbol summary::-webkit-details-marker { display: none; }
.arbol summary::before { content: "▸"; font-size: 10px; color: var(--tenue); width: 9px; flex-shrink: 0; }
.arbol details[open] > summary::before { transform: rotate(90deg); }
.arbol summary:hover, .arbol .hoja:hover { background: #f1f4fa; }
.arbol .hoja { padding: 3px 4px 3px 27px; border-radius: 5px; cursor: pointer; display: flex; gap: 6px; align-items: center; margin-left: 12px; }
.arbol .hoja.sel { background: #fff3cc; }
.arbol input[type=checkbox] { margin: 0; accent-color: var(--unp-azul); }
.arbol .n { color: var(--tenue); font-size: 11.5px; margin-left: auto; }
.arbol .txt { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.galeria { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.visor-img { position: absolute; inset: 0; overflow: hidden; cursor: grab; touch-action: none; }
.visor-img img { position: absolute; left: 0; top: 0; transform-origin: 0 0; user-select: none; -webkit-user-drag: none; max-width: none; }
.visor-doc { position: absolute; inset: 0; overflow: auto; background: #e9ecf3; padding: 18px; }
.visor-doc .docx-wrapper { background: transparent !important; padding: 0 !important; }
.hoja-calculo { background: #fff; border-collapse: collapse; font-size: 13px; }
.hoja-calculo td, .hoja-calculo th { border: 1px solid #d5dbe8; padding: 3px 7px; white-space: nowrap; }
.capas-lista label { display: flex; align-items: center; gap: 7px; padding: 2px 0; cursor: pointer; }
.capas-lista .muestra { width: 12px; height: 12px; border-radius: 2px; border: 1px solid rgba(0,0,0,.2); flex-shrink: 0; }

/* panel de administración */
.admin-barra { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; background: #fff8e6; border: 1px solid #f1d38a; border-radius: 10px; padding: 10px 12px; margin: 14px 0; }
.admin-barra b { margin-right: 6px; }
.soltar { border: 2px dashed var(--unp-celeste); border-radius: 12px; padding: 22px; text-align: center; color: var(--suave); background: #f6f9ff; margin: 10px 0; }
.soltar.encima { background: #e3edfd; border-color: var(--unp-azul); }
.campo { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; font-size: 13px; }
.campo input, .campo textarea, .campo select { font: inherit; padding: 7px 9px; border: 1px solid var(--borde); border-radius: 7px; }
.interruptor { display: flex; align-items: center; gap: 8px; margin: 6px 0; cursor: pointer; }
.toast { position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%); background: #1d2333; color: #fff; padding: 10px 16px; border-radius: 10px; z-index: 100; font-size: 14px; box-shadow: 0 6px 24px rgba(0,0,0,.25); max-width: calc(100% - 32px); }

.solo-movil { display: none; }
@media (max-width: 900px) {
  :root { --barra-h: 56px; }
  .solo-movil { display: inline-flex; align-items: center; justify-content: center; }
  .no-movil { display: none; }
  .marca-texto small { display: none; }
  .marca-texto b { font-size: 15px; }
  .marca img { width: 34px; height: 34px; }
  .barra { gap: 8px; padding: 0 10px; }
  .lateral { position: fixed; left: 0; top: var(--barra-h); bottom: 0; z-index: 20; transform: translateX(-100%); transition: transform .2s; box-shadow: 4px 0 24px rgba(0,0,0,.15); }
  .lateral.abierto { transform: none; }
  .pagina { padding: 16px 16px 50px; }
  .portada { padding: 22px 18px; gap: 16px; }
  .portada img { width: 60px; height: 60px; }
  .portada h1 { font-size: 22px; }
  .grilla-arch { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
  .visor-panel { position: absolute; right: 0; top: 0; bottom: 0; z-index: 7; width: min(340px, 92%); box-shadow: -4px 0 24px rgba(0,0,0,.15); }
  .visor-panel.izq { left: 0; right: auto; width: min(300px, 88%); }
  .visor-cab .acciones .boton span.t { display: none; }
  .admin-chip { display: none; }
  table.lista .no-movil { display: none; }
}
@media (max-width: 560px) {
  .buscador input { padding-left: 34px; background-position: 11px center; }
  .marca-texto { display: none; }
}