/* =====================================================================
   Biblos · estilos base
   Todo lo que depende de la ambientación (colores, texturas, fuentes)
   viene de variables definidas por cada skin en css/skins.css.
   ===================================================================== */

@font-face { font-family: 'Cinzel Decorative'; font-weight: 400; font-display: swap; src: url('../assets/fuentes/cinzel-decorative-400.woff') format('woff'); }
@font-face { font-family: 'Cinzel Decorative'; font-weight: 700; font-display: swap; src: url('../assets/fuentes/cinzel-decorative-700.woff') format('woff'); }
@font-face { font-family: 'Crimson Text'; font-weight: 400; font-display: swap; src: url('../assets/fuentes/crimson-text-400.woff') format('woff'); }
@font-face { font-family: 'Crimson Text'; font-weight: 400; font-style: italic; font-display: swap; src: url('../assets/fuentes/crimson-text-400-italic.woff') format('woff'); }
@font-face { font-family: 'Crimson Text'; font-weight: 600; font-display: swap; src: url('../assets/fuentes/crimson-text-600.woff') format('woff'); }
@font-face { font-family: 'Crimson Text'; font-weight: 700; font-display: swap; src: url('../assets/fuentes/crimson-text-700.woff') format('woff'); }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html, body { height: 100%; margin: 0; }
body {
  font-family: var(--fuente-texto); color: var(--texto); background: var(--fondo);
  overflow: hidden; display: flex; flex-direction: column;
}
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
img { display: block; max-width: 100%; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.icono { width: 1.15em; height: 1.15em; flex: none; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; vertical-align: -0.2em; }
.titulo-magico { font-family: var(--fuente-titulo); }
:focus-visible { outline: 2px solid var(--oro); outline-offset: 2px; }

/* ---------- Ambiente ---------- */
.ambiente { position: fixed; inset: 0; z-index: -10; background: var(--ambiente); transition: background 1s; }
body.deseados .ambiente { background: var(--ambiente-deseados); }
.velas { position: fixed; inset: 0; z-index: -5; pointer-events: none; background: var(--velas, none); animation: parpadeo 6s infinite alternate; }
@keyframes parpadeo { from { opacity: .9; } to { opacity: .97; } }
#luz { position: fixed; inset: 0; background: #000; pointer-events: none; z-index: 70; opacity: 0; transition: opacity .6s; }

/* ---------- Botones y campos ---------- */
.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: .45em;
  padding: .55em 1.1em; border-radius: 4px; font-family: var(--fuente-titulo); font-size: .85rem; font-weight: 700;
  background: var(--boton-fondo); color: var(--boton-texto); border: 1px solid var(--boton-borde);
  box-shadow: 0 2px 5px rgba(0,0,0,.4); transition: transform .15s, border-color .15s, filter .15s;
}
.boton:hover { border-color: var(--oro); transform: translateY(-1px); }
.boton:disabled { opacity: .5; cursor: default; transform: none; }
.boton.secundario { background: transparent; color: var(--tinta-suave); border-color: var(--tinta-suave); box-shadow: none; }
.boton.peligro { color: #fff; background: var(--rojo); border-color: var(--rojo); }
.boton.mini { padding: .35em .7em; font-size: .75rem; }
.boton-icono { display: inline-flex; align-items: center; justify-content: center; width: 2.4rem; height: 2.4rem; border-radius: 6px; color: var(--icono-cabecera); transition: color .15s, background .15s; }
.boton-icono:hover { color: var(--oro); background: rgba(255,255,255,.05); }
.campo-oscuro {
  background: var(--campo-oscuro-fondo); border: 1px solid var(--campo-oscuro-borde); color: var(--campo-oscuro-texto);
  padding: .35em .6em; border-radius: 4px; font-family: var(--fuente-titulo); font-size: .72rem; outline: none;
}
.campo-oscuro:focus { border-color: var(--oro); }

/* ---------- Login y pantallas de estado ---------- */
.pantalla-centro { position: fixed; inset: 0; z-index: 90; display: flex; align-items: center; justify-content: center; padding: 16px; background: rgba(0,0,0,.85); backdrop-filter: blur(3px); }
.tarjeta-login {
  width: 100%; max-width: 360px; padding: 2rem 1.75rem; text-align: center; border-radius: 4px;
  background: var(--panel-fondo); border: 4px double var(--panel-borde); color: var(--panel-texto); box-shadow: 0 0 60px rgba(0,0,0,.9);
}
.tarjeta-login img { width: 96px; height: 96px; margin: 0 auto .75rem; filter: drop-shadow(0 6px 8px rgba(0,0,0,.8)); }
.tarjeta-login h1 { font-family: var(--fuente-titulo); color: var(--oro); font-size: 2rem; margin: 0; letter-spacing: .05em; }
.tarjeta-login .lema { margin: .25rem 0 1.5rem; font-style: italic; color: var(--tinta-suave); }
.tarjeta-login label { display: block; text-align: left; font-family: var(--fuente-titulo); font-size: .7rem; color: var(--oro-tenue); margin: .9rem 0 .25rem; text-transform: uppercase; letter-spacing: .08em; }
.tarjeta-login input { width: 100%; padding: .7em .8em; background: rgba(0,0,0,.35); border: 0; border-bottom: 1px solid var(--oro); color: var(--campo-oscuro-texto); font-size: 1.05rem; outline: none; }
.tarjeta-login input:focus { background: rgba(0,0,0,.55); }
.tarjeta-login .boton { width: 100%; margin-top: 1.5rem; padding: .8em; font-size: 1rem; letter-spacing: .12em; }
.tarjeta-login .error { min-height: 1.4em; margin-top: .9rem; color: #ff8a80; font-size: .95rem; }

.cargando { position: fixed; inset: 0; z-index: 85; display: flex; flex-direction: column; align-items: center; justify-content: center; background: var(--fondo); transition: opacity .8s; }
.runa { position: relative; width: 150px; height: 150px; display: flex; align-items: center; justify-content: center; margin-bottom: 1.5rem; color: var(--oro); }
.runa span { position: absolute; border-radius: 50%; border: 1px solid transparent; }
.runa span:nth-child(1) { inset: 0; border-top-color: var(--oro); border-bottom-color: var(--tinta-suave); animation: giro 3s linear infinite; }
.runa span:nth-child(2) { inset: 12%; border-left-color: var(--oro-tenue); border-right-color: var(--oro); animation: giro 5s linear infinite reverse; }
.runa span:nth-child(3) { inset: 25%; border-top-color: var(--oro); border-bottom-color: var(--oro); animation: giro 2s linear infinite; }
.runa .icono { width: 2.4rem; height: 2.4rem; animation: latido 1.6s ease-in-out infinite; }
.cargando p { font-family: var(--fuente-titulo); color: var(--oro); letter-spacing: .15em; }
@keyframes giro { to { transform: rotate(360deg); } }
@keyframes latido { 50% { opacity: .5; } }

/* ---------- Estructura de la app ---------- */
#app { flex: 1; display: flex; flex-direction: column; min-height: 0; }

.cabecera { position: relative; z-index: 30; flex: none; padding: .75rem 1rem 3.1rem; background: var(--cabecera-fondo); box-shadow: 0 10px 30px rgba(0,0,0,.9); }
.cabecera::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2.8rem; background: var(--cenefa); pointer-events: none; }
.cabecera-fila { display: flex; align-items: center; justify-content: space-between; gap: .5rem; position: relative; z-index: 2; }
.cabecera h1 { margin: 0; font-family: var(--fuente-titulo); color: var(--oro); font-size: 1.3rem; letter-spacing: .06em; text-shadow: 0 2px 4px rgba(0,0,0,.8); }
.cabecera .contador { margin: 0; font-family: var(--fuente-titulo); font-size: .62rem; color: var(--contador, var(--oro-tenue)); text-shadow: 0 1px 3px rgba(0,0,0,.9); text-transform: uppercase; letter-spacing: .15em; }
.acciones { display: flex; align-items: center; gap: .15rem; }
.buscador { position: relative; width: 230px; height: 48px; display: flex; align-items: center; padding: 0 34px; background: var(--buscador-fondo); filter: drop-shadow(0 4px 4px rgba(0,0,0,.5)); }
.buscador input { width: 100%; background: transparent; border: 0; outline: none; text-align: center; font-weight: 700; font-size: .95rem; color: var(--buscador-texto); }
.buscador input::placeholder { color: var(--buscador-texto); opacity: .55; }
.filtros { display: flex; gap: .5rem; margin-top: .6rem; overflow-x: auto; scrollbar-width: none; position: relative; z-index: 2; }
.filtros::-webkit-scrollbar { display: none; }

.menu-ajustes { position: absolute; right: 0; top: 2.8rem; width: 270px; z-index: 100; background: var(--menu-fondo); border: 2px solid var(--panel-borde); color: var(--campo-oscuro-texto); box-shadow: 0 0 20px rgba(0,0,0,.95); border-radius: 4px; }
.menu-ajustes section { padding: .7rem .8rem; border-bottom: 1px dashed var(--panel-borde); }
.menu-ajustes h3 { margin: 0 0 .45rem; font-family: var(--fuente-titulo); font-size: .62rem; text-transform: uppercase; letter-spacing: .1em; color: var(--oro-tenue); }
.opciones { display: flex; gap: .35rem; }
.opciones button { flex: 1; display: flex; align-items: center; justify-content: center; gap: .3rem; height: 2rem; border-radius: 4px; border: 1px solid transparent; font-size: .8rem; }
.opciones button:hover { background: rgba(255,255,255,.06); }
.opciones button[aria-pressed="true"] { border-color: var(--oro); background: rgba(197,160,89,.18); color: var(--oro); }
.menu-ajustes .fila-menu { display: flex; align-items: center; gap: .6rem; width: 100%; padding: .55rem .2rem; font-size: .95rem; text-align: left; }
.menu-ajustes .fila-menu:hover { color: var(--oro); }
.solo-movil { display: none; }
@media (max-width: 768px) { .solo-movil { display: block; } }

/* ---------- Estantería ---------- */
.estanteria-scroll { flex: 1; overflow-y: auto; overflow-x: hidden; display: flex; justify-content: center; background: var(--pared); background-size: var(--pared-tamano, 400px auto); background-attachment: local; overscroll-behavior: contain; }
.estanteria-marco { display: grid; grid-template-columns: var(--pilar-ancho, 42px) 1fr var(--pilar-ancho, 42px); width: 100%; max-width: 1600px; min-height: 100%; box-shadow: 0 0 100px rgba(0,0,0,.8); }
.pilar { background: var(--pilar); background-size: 100% auto; box-shadow: 0 0 25px rgba(0,0,0,.8); z-index: 20; }
.estanteria { min-width: 0; padding-bottom: 8.5rem; position: relative; }
.fila { padding-top: 2.4rem; position: relative; }
.libros { display: grid; gap: 1.4rem; align-items: end; padding: 0 1.4rem; margin-bottom: -5px; position: relative; z-index: 3; grid-template-columns: repeat(var(--columnas), minmax(0, 1fr)); }
.balda { height: var(--balda-alto, 62px); position: relative; z-index: 2; display: flex; align-items: center; background: var(--balda); background-size: auto 100%; box-shadow: 0 -5px 15px rgba(0,0,0,.6); border-top: var(--balda-borde-sup, 4px solid rgba(40,25,20,.9)); border-bottom: 2px solid rgba(0,0,0,.9); }
.balda::after { content: ''; position: absolute; top: 100%; left: 0; right: 0; height: 40px; background: var(--balda-sombra, linear-gradient(rgba(0,0,0,.85), transparent)); pointer-events: none; z-index: -1; }
.placas { display: grid; gap: 1.4rem; width: 100%; padding: 0 1.4rem; grid-template-columns: repeat(var(--columnas), minmax(0, 1fr)); pointer-events: none; }
.placa { margin: 0 auto; width: 92%; max-width: 150px; height: 36px; display: flex; align-items: center; justify-content: center; padding: 3px 8px; position: relative; border-radius: 3px; background: var(--placa-fondo); border: 1px solid var(--placa-borde); box-shadow: var(--placa-sombra); }
.placa::before, .placa::after { content: ''; position: absolute; top: 50%; width: 3px; height: 3px; border-radius: 50%; background: var(--placa-clavo, #3e2723); transform: translateY(-50%); opacity: .7; }
.placa::before { left: 4px; } .placa::after { right: 4px; }
.placa span { font-family: var(--fuente-titulo); font-weight: 700; font-size: .56rem; line-height: 1.12; color: var(--placa-texto); text-align: center; text-transform: uppercase; text-shadow: var(--placa-relieve); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color .2s, text-shadow .2s; }
.placa.brilla span { color: #000; text-shadow: 0 0 5px rgba(255,255,255,.8); }

.libro { position: relative; display: block; width: 100%; cursor: pointer; transition: transform .3s cubic-bezier(.175,.885,.32,1.275); z-index: 1; -webkit-tap-highlight-color: transparent; }
.libro:hover, .libro:focus-visible { transform: scale(1.12) translateY(-16px); z-index: 50; outline: none; }
.portada { position: relative; width: 100%; max-width: 160px; margin: 0 auto; aspect-ratio: 2/3; overflow: hidden; border-radius: 2px 2px 0 0; background: #1a100a; border: 1px solid var(--borde-libro, rgba(197,160,89,.15)); box-shadow: 0 4px 8px rgba(0,0,0,.7), 0 0 20px var(--brillo-libro, rgba(255,215,0,.1)); transition: box-shadow .3s, border-color .3s; }
.libro:hover .portada, .libro:focus-visible .portada { box-shadow: 0 20px 40px rgba(0,0,0,.9), 0 0 30px var(--brillo-libro); border-color: var(--brillo-libro); }
.portada img { width: 100%; height: 100%; object-fit: cover; }
.portada-generica { width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .4rem; padding: var(--tapa-relleno, 12% 10%); background: var(--tapa); background-size: cover; background-position: center; color: var(--tapa-texto); text-align: center; }
.portada-generica b { font-family: var(--fuente-titulo); font-size: .62rem; line-height: 1.15; text-shadow: 0 1px 2px rgba(0,0,0,.9); display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.portada-generica small { font-size: .6rem; opacity: .8; font-style: italic; }
.cinta { position: absolute; top: 8px; right: -34px; padding: 2px 30px; transform: rotate(45deg); background: #7f0000; color: #ffecb3; border: 1px solid var(--oro); font-family: var(--fuente-titulo); font-size: .52rem; font-weight: 700; box-shadow: 0 2px 5px rgba(0,0,0,.8); pointer-events: none; }
.sello { position: absolute; left: 4px; bottom: 4px; display: flex; gap: 3px; pointer-events: none; }
.sello span { display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: rgba(10,6,3,.85); color: var(--oro); border: 1px solid var(--oro-tenue); }
.sello .icono { width: 12px; height: 12px; }
.chispas { position: absolute; top: 50%; left: 50%; width: 0; height: 0; z-index: -1; pointer-events: none; }
.chispa { position: absolute; width: var(--t); height: var(--t); border-radius: 50%; opacity: 0; background: radial-gradient(circle, #fff, var(--color-chispa)); box-shadow: 0 0 4px var(--color-chispa); }
.libro:hover .chispas { animation: giro 4s linear infinite .4s; }
.libro:hover .chispa { animation: chispa .6s cubic-bezier(.15,.9,.34,1) forwards; animation-delay: var(--d); }
@keyframes chispa { 0% { opacity: 0; transform: translate(0,0) scale(0); } 30% { opacity: 1; } 100% { opacity: .8; transform: translate(var(--x), var(--y)) scale(1); } }
.libro.arrastrando { opacity: .4; }
.vacio { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .6rem; color: var(--tinta-suave); font-style: italic; font-size: 1.25rem; text-align: center; padding: 2rem; pointer-events: none; }
.vacio .icono { width: 2.5rem; height: 2.5rem; opacity: .6; }

/* ---------- Pie ---------- */
.pie { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; pointer-events: none; padding-bottom: env(safe-area-inset-bottom); }
.pie-riel { position: absolute; left: 0; right: 0; top: -18px; height: 36px; background: var(--riel); background-size: auto 100%; z-index: 2; filter: drop-shadow(0 5px 5px rgba(0,0,0,.8)); }
.pie-cuerpo { position: relative; height: 68px; display: flex; align-items: center; justify-content: space-around; pointer-events: auto; background: var(--piedra); background-size: auto 100%; box-shadow: 0 -10px 30px rgba(0,0,0,.9); }
.pestana { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px; padding-top: 10px; color: var(--pestana-inactiva); font-family: var(--fuente-titulo); font-size: .58rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; transition: color .2s; position: relative; z-index: 3; }
.pestana .icono { width: 1.5rem; height: 1.5rem; }
.pestana[aria-selected="true"] { color: var(--pestana-activa); }
.pestana:hover { color: var(--pestana-activa); }
.medallon { position: relative; top: -2.3rem; z-index: 4; width: 92px; height: 92px; border-radius: 50%; transition: transform .3s, filter .3s; filter: drop-shadow(0 10px 10px rgba(0,0,0,.8)); }
.medallon img { width: 100%; height: 100%; }
.medallon:hover { transform: scale(1.08) translateY(-3px); filter: drop-shadow(0 10px 14px rgba(0,0,0,.8)) brightness(1.2); }
.medallon .icono-medallon { display: none; }

/* ---------- Modales ---------- */
.fondo-modal { position: fixed; inset: 0; z-index: 95; display: flex; align-items: center; justify-content: center; padding: 12px; background: rgba(0,0,0,.88); backdrop-filter: blur(3px); animation: aparecer .2s; }
@keyframes aparecer { from { opacity: 0; } }
.pergamino {
  position: relative; display: flex; flex-direction: column; width: 100%; max-width: 520px; max-height: calc(100dvh - 24px);
  background: var(--pergamino); color: var(--tinta); border: 4px double var(--panel-borde); border-radius: 4px; box-shadow: 0 0 80px #000;
}
.pergamino.ancho { max-width: 640px; }
.pergamino-cabecera { display: flex; align-items: center; justify-content: space-between; gap: .5rem; padding: .8rem 1rem .6rem; border-bottom: 1px solid var(--linea); }
.pergamino-cabecera h2 { margin: 0; font-family: var(--fuente-titulo); font-size: 1.05rem; color: var(--rojo-tinta); }
.pergamino-cuerpo { overflow-y: auto; padding: 1rem; flex: 1; }
.pergamino-pie { display: flex; gap: .5rem; justify-content: flex-end; padding: .7rem 1rem; border-top: 1px solid var(--linea); flex-wrap: wrap; }
.cerrar { color: var(--tinta-suave); width: 2.2rem; height: 2.2rem; display: inline-flex; align-items: center; justify-content: center; border-radius: 4px; }
.cerrar:hover { color: var(--rojo-tinta); background: rgba(0,0,0,.06); }
.pagina-giro-sig { animation: hoja-sig .35s ease-out; }
.pagina-giro-ant { animation: hoja-ant .35s ease-out; }
@keyframes hoja-sig { from { transform: perspective(900px) rotateY(-12deg) translateX(20px); opacity: .4; } }
@keyframes hoja-ant { from { transform: perspective(900px) rotateY(12deg) translateX(-20px); opacity: .4; } }
.flecha { position: absolute; top: 50%; transform: translateY(-50%); z-index: 3; width: 2.4rem; height: 3.5rem; display: flex; align-items: center; justify-content: center; color: var(--oro); background: rgba(10,6,3,.75); border: 1px solid var(--oro-tenue); border-radius: 4px; }
.flecha.ant { left: -1.4rem; } .flecha.sig { right: -1.4rem; }
.flecha .icono { width: 1.6rem; height: 1.6rem; }

/* Ficha del libro */
.ficha-top { display: grid; grid-template-columns: 120px 1fr; gap: 1rem; }
.ficha-portada { position: relative; }
.ficha-portada .portada { max-width: 120px; margin: 0; }
.ficha-portada-botones { display: flex; gap: .25rem; justify-content: center; margin-top: .4rem; flex-wrap: wrap; }
.ficha-portada-botones button { color: var(--tinta-suave); width: 2rem; height: 2rem; display: inline-flex; align-items: center; justify-content: center; border-radius: 4px; }
.ficha-portada-botones button:hover { color: var(--rojo-tinta); background: rgba(0,0,0,.06); }
.campo { display: flex; flex-direction: column; gap: .15rem; margin-bottom: .55rem; min-width: 0; }
.campo label { font-family: var(--fuente-titulo); font-size: .6rem; text-transform: uppercase; letter-spacing: .08em; color: var(--tinta-suave); }
.campo input, .campo textarea, .campo select { width: 100%; background: transparent; border: 0; border-bottom: 1px solid var(--linea); padding: .25rem .1rem; font-size: 1rem; color: var(--tinta); outline: none; border-radius: 0; }
.campo input:focus, .campo textarea:focus, .campo select:focus { border-bottom-color: var(--rojo-tinta); background: rgba(255,255,255,.25); }
.campo textarea { resize: vertical; min-height: 4.5rem; border: 1px solid var(--linea); border-radius: 3px; padding: .4rem; }
.campo .ayuda { font-size: .78rem; color: var(--rojo-tinta); font-style: italic; }
input.titulo-ficha { font-family: var(--fuente-titulo); font-weight: 700; font-size: 1.15rem !important; color: var(--rojo-tinta) !important; }
.rejilla-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 .9rem; }
.rejilla-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0 .9rem; }
.bloque { margin-top: .9rem; padding: .7rem .8rem; border: 1px solid var(--linea); border-radius: 4px; background: rgba(255,255,255,.18); }
.bloque h3 { margin: 0 0 .5rem; font-family: var(--fuente-titulo); font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; color: var(--tinta-suave); display: flex; align-items: center; gap: .4rem; }
.plumas { display: flex; gap: .15rem; }
.plumas button { color: var(--tinta-suave); opacity: .35; width: 2rem; height: 2rem; display: inline-flex; align-items: center; justify-content: center; transition: opacity .15s, transform .15s, color .15s; }
.plumas button.activa { opacity: 1; color: var(--rojo-tinta); }
.plumas button:hover { transform: translateY(-2px); opacity: 1; }
.plumas .icono { width: 1.35rem; height: 1.35rem; }
.fila-flex { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.interruptor { display: inline-flex; align-items: center; gap: .4rem; padding: .35rem .7rem; border: 1px solid var(--linea); border-radius: 99px; font-size: .95rem; }
.interruptor[aria-pressed="true"] { background: var(--verde-tinta); color: #fff; border-color: var(--verde-tinta); }
.prestamo-activo { display: flex; align-items: center; justify-content: space-between; gap: .6rem; flex-wrap: wrap; }
.prestamo-activo p { margin: 0; }
.enlaces-compra { display: grid; grid-template-columns: repeat(3, 1fr); gap: .4rem; }
.enlaces-compra a { display: flex; align-items: center; justify-content: center; gap: .3rem; padding: .5rem; border: 1px solid var(--linea); border-radius: 4px; color: var(--tinta); text-decoration: none; font-size: .85rem; font-weight: 600; background: rgba(255,255,255,.25); }
.enlaces-compra a:hover { border-color: var(--rojo-tinta); color: var(--rojo-tinta); }
.aviso-tengo { display: flex; gap: .5rem; align-items: center; padding: .55rem .7rem; margin-bottom: .8rem; border-radius: 4px; background: rgba(116,0,1,.1); border: 1px solid var(--rojo-tinta); color: var(--rojo-tinta); font-weight: 600; }

/* Alta de libros */
.modos { display: flex; gap: .3rem; padding: .25rem; border-radius: 6px; background: rgba(0,0,0,.08); margin-bottom: .9rem; }
.modos button { flex: 1; display: flex; align-items: center; justify-content: center; gap: .35rem; padding: .5rem; border-radius: 4px; font-family: var(--fuente-titulo); font-size: .72rem; font-weight: 700; color: var(--tinta-suave); }
.modos button[aria-pressed="true"] { background: var(--panel-fondo); color: var(--oro); }
.camara { position: relative; width: 100%; aspect-ratio: 4/3; background: #000; border-radius: 4px; overflow: hidden; }
.camara video { width: 100%; height: 100%; object-fit: cover; }
.camara .mira { position: absolute; left: 12%; right: 12%; top: 35%; bottom: 35%; border: 2px solid rgba(197,160,89,.9); border-radius: 6px; box-shadow: 0 0 0 999px rgba(0,0,0,.35); }
.camara p { position: absolute; left: 0; right: 0; bottom: .5rem; margin: 0; text-align: center; color: #fff; font-size: .85rem; text-shadow: 0 1px 2px #000; }
.buscar-fila { display: flex; gap: .5rem; }
.buscar-fila input { flex: 1; min-width: 0; padding: .55rem .7rem; border: 1px solid var(--linea); border-radius: 4px; background: rgba(255,255,255,.45); font-size: 1rem; outline: none; }
.buscar-fila input:focus { border-color: var(--rojo-tinta); }
.resultados { display: flex; flex-direction: column; gap: .4rem; margin-top: .8rem; }
.resultado { display: grid; grid-template-columns: 46px 1fr auto; gap: .7rem; align-items: center; padding: .45rem; border: 1px solid var(--linea); border-radius: 4px; background: rgba(255,255,255,.3); text-align: left; width: 100%; }
.resultado:hover { border-color: var(--rojo-tinta); background: rgba(255,255,255,.5); }
.resultado img, .resultado .sin-imagen { width: 46px; height: 66px; object-fit: cover; border-radius: 2px; background: #3e2723; }
.resultado b { display: block; color: var(--rojo-tinta); font-size: .98rem; line-height: 1.2; }
.resultado small { color: var(--tinta-suave); }
.etiqueta { font-size: .68rem; padding: .1rem .45rem; border-radius: 99px; border: 1px solid currentColor; white-space: nowrap; }

/* Paneles */
.estadisticas { display: grid; grid-template-columns: repeat(3, 1fr); gap: .6rem; margin-bottom: 1rem; }
.cifra { text-align: center; padding: .7rem .3rem; border: 1px solid var(--linea); border-radius: 4px; background: rgba(255,255,255,.25); }
.cifra b { display: block; font-family: var(--fuente-titulo); font-size: 1.6rem; color: var(--rojo-tinta); }
.cifra small { font-size: .78rem; color: var(--tinta-suave); }
.barra { height: 7px; border-radius: 4px; background: rgba(62,39,35,.25); overflow: hidden; }
.barra > i { display: block; height: 100%; background: var(--rojo-tinta); }
.lista-ranking { list-style: none; margin: 0; padding: 0; }
.lista-ranking li { display: flex; justify-content: space-between; gap: .5rem; padding: .3rem 0; border-bottom: 1px dashed var(--linea); }
.lista-ranking li:last-child { border-bottom: 0; }
.cat-fila { margin-bottom: .55rem; }
.cat-fila div:first-child { display: flex; justify-content: space-between; font-weight: 600; margin-bottom: .2rem; }
.registro { padding: .55rem .7rem; margin-bottom: .45rem; border: 1px solid var(--linea); border-left: 4px solid var(--oro); border-radius: 3px; background: rgba(255,255,255,.35); }
.registro.devuelto { border-left-color: var(--linea); opacity: .8; }
.registro b { color: var(--rojo-tinta); }
.registro .meta { display: flex; justify-content: space-between; gap: .5rem; flex-wrap: wrap; font-size: .9rem; color: var(--tinta-suave); }
.colores { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: .45rem; }
.color-fila { display: flex; align-items: center; justify-content: space-between; gap: .5rem; padding: .35rem .55rem; border: 1px solid var(--linea); border-radius: 4px; background: rgba(255,255,255,.3); }
.color-fila span { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.color-fila input[type=color] { width: 2.1rem; height: 2.1rem; padding: 0; border: 2px solid var(--panel-borde); border-radius: 50%; background: none; cursor: pointer; flex: none; }
.color-fila input[type=color]::-webkit-color-swatch-wrapper { padding: 0; }
.color-fila input[type=color]::-webkit-color-swatch { border: 0; border-radius: 50%; }
.color-fila .muestra { font-size: .7rem; color: var(--tinta-suave); }

/* Avisos y confirmaciones */
#avisos { position: fixed; bottom: calc(110px + env(safe-area-inset-bottom)); left: 50%; transform: translateX(-50%); z-index: 200; width: min(92vw, 360px); display: flex; flex-direction: column; gap: .5rem; pointer-events: none; }
.aviso { padding: .7rem 1rem; text-align: center; background: rgba(15,10,5,.96); color: var(--oro); border: 1px solid var(--oro); font-family: var(--fuente-titulo); font-size: .78rem; animation: entrar .35s; pointer-events: auto; transition: opacity .4s; }
.aviso.error { color: #ffab91; border-color: #c62828; }
.aviso.ok { color: #c5e1a5; border-color: #558b2f; }
@keyframes entrar { from { transform: translateY(14px); opacity: 0; } }

/* Barras de desplazamiento */
::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-track { background: var(--scroll-pista, #1a100a); }
::-webkit-scrollbar-thumb { background: var(--scroll-pulgar, #5d4037); border: 2px solid var(--scroll-pista, #1a100a); border-radius: 3px; }
.pergamino ::-webkit-scrollbar-track { background: transparent; }
.pergamino ::-webkit-scrollbar-thumb { background: rgba(62,39,35,.4); border-color: transparent; }

/* ---------- Móvil ---------- */
@media (max-width: 768px) {
  .cabecera { padding: .6rem .6rem 2.6rem; }
  .cabecera h1 { font-size: 1.05rem; }
  .buscador { width: 150px; padding: 0 22px; height: 40px; }
  .buscador input { font-size: .8rem; }
  .acciones .secundaria { display: none; }
  .libros, .placas { gap: .8rem; padding: 0 .7rem; }
  .estanteria-marco { grid-template-columns: var(--pilar-ancho-movil, 20px) 1fr var(--pilar-ancho-movil, 20px); }
  .placa { height: 30px; }
  .placa span { font-size: .48rem; }
  .flecha { display: none; }
  .ficha-portada-botones { gap: 0; }
  .ficha-portada-botones button { width: 1.8rem; height: 1.8rem; }
  .bloque .buscar-fila { flex-wrap: wrap; }
  .bloque .buscar-fila input { min-width: 0; flex: 1 1 8rem; }
}
@media (max-width: 480px) {
  .ficha-top { grid-template-columns: 92px 1fr; gap: .7rem; }
  .ficha-portada .portada { max-width: 92px; }
  .rejilla-3 { grid-template-columns: 1fr 1fr; }
  .estadisticas { grid-template-columns: 1fr 1fr 1fr; }
  .medallon { width: 76px; height: 76px; top: -1.8rem; }
  .pie-cuerpo { height: 60px; }
  .menu-ajustes { position: fixed; left: 8px; right: 8px; top: 64px; width: auto; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}