/* ==================================================================
   Lector del Manual 2026 · Red Alumni UC3M
   Noche azul de la web, el libro en el centro como sobre una mesa con
   una lámpara, barras de cristal arriba y abajo.
   ================================================================== */
:root {
  --noche: #05081a;
  --noche-2: #0b1030;
  --cristal: rgba(9, 13, 36, 0.78);
  --borde: rgba(255, 255, 255, 0.12);
  --texto: #f3f4fb;
  --texto-2: #c3c8e4;
  --texto-3: #8f97bd;
  --oro: #ffc560;
  --oro-2: #ffdda0;
  --fuego: #ff6a1a;
  --carmesi: #9e1640;
  --azul: #2b5bff;
  --papel: #fbfaf6;
  --alto-barra: 58px;
  --alto-pie: 64px;
  --sans: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', Arial, sans-serif;
  color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
[hidden] { display: none !important; }
body.manual {
  position: fixed; inset: 0; overflow: hidden;
  background: var(--noche); color: var(--texto);
  font-family: var(--sans); font-size: 15px; line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  -webkit-user-select: none; user-select: none;
  -webkit-touch-callout: none; -webkit-tap-highlight-color: transparent;
}
svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
button { font: inherit; color: inherit; }
.oculto-visual { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ------------------------------ fondo ------------------------------ */
.mn-fondo {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 60% 55% at 50% 48%, rgba(255, 214, 150, 0.10), transparent 70%),
    radial-gradient(circle at 12% 18%, rgba(43, 91, 255, 0.22), transparent 38%),
    radial-gradient(circle at 88% 86%, rgba(222, 60, 30, 0.18), transparent 40%),
    linear-gradient(180deg, #060a20 0%, #04071a 100%);
}
.mn-luz { position: absolute; border-radius: 50%; filter: blur(40px); opacity: 0.55; }
.mn-luz.a { width: 48vmax; height: 48vmax; left: -18vmax; top: -22vmax; background: radial-gradient(circle, rgba(43, 91, 255, 0.35), transparent 65%); animation: mn-deriva 24s ease-in-out infinite alternate; }
.mn-luz.b { width: 52vmax; height: 52vmax; right: -22vmax; bottom: -26vmax; background: radial-gradient(circle, rgba(255, 96, 26, 0.28), transparent 65%); animation: mn-deriva 28s ease-in-out -9s infinite alternate-reverse; }
@keyframes mn-deriva { to { transform: translate3d(5vmax, 3vmax, 0) scale(1.1); } }

/* ------------------------------ barras ----------------------------- */
.mn-barra, .mn-pie {
  position: fixed; left: 0; right: 0; z-index: 20;
  display: flex; align-items: center; gap: 10px;
  background: var(--cristal); border-color: var(--borde);
  backdrop-filter: blur(18px) saturate(140%); -webkit-backdrop-filter: blur(18px) saturate(140%);
}
.mn-barra {
  top: 0; height: calc(var(--alto-barra) + env(safe-area-inset-top));
  padding: env(safe-area-inset-top) max(12px, env(safe-area-inset-right)) 0 max(12px, env(safe-area-inset-left));
  border-bottom: 1px solid var(--borde);
}
.mn-pie {
  bottom: 0; height: calc(var(--alto-pie) + env(safe-area-inset-bottom));
  padding: 0 max(14px, env(safe-area-inset-right)) env(safe-area-inset-bottom) max(14px, env(safe-area-inset-left));
  border-top: 1px solid var(--borde);
}
.mn-volver {
  display: inline-flex; align-items: center; gap: 8px; flex: none;
  height: 40px; padding: 0 14px 0 8px; border-radius: 999px;
  color: var(--texto); text-decoration: none; font-weight: 700; font-size: 14px;
  background: linear-gradient(115deg, rgba(158, 22, 64, 0.85), rgba(200, 67, 28, 0.85));
  box-shadow: 0 8px 22px -10px rgba(230, 90, 30, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: transform 0.18s, filter 0.18s;
}
.mn-volver:hover { transform: translateY(-1px); filter: brightness(1.08); }
.mn-volver:focus-visible { outline: 2px solid var(--oro); outline-offset: 2px; }
.mn-volver svg { width: 18px; height: 18px; stroke-width: 2.2; }
.mn-volver img { width: 26px; height: 26px; border-radius: 50%; box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.35); }
.mn-titulo { min-width: 0; flex: 1; display: flex; flex-direction: column; line-height: 1.2; padding-left: 4px; }
.mn-titulo b { font-size: 15px; letter-spacing: 0.06em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: #fff; }
.mn-titulo small { font-size: 12.5px; color: var(--oro-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mn-acciones { display: flex; align-items: center; gap: 4px; flex: none; }
.mn-ico {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  min-width: 40px; height: 40px; padding: 0 9px; border: 0; border-radius: 12px;
  background: transparent; color: var(--texto-2); cursor: pointer; transition: background 0.15s, color 0.15s;
}
.mn-ico:hover { background: rgba(255, 255, 255, 0.08); color: #fff; }
.mn-ico[aria-pressed='true'] { background: rgba(255, 197, 96, 0.16); color: var(--oro); }
.mn-ico:focus-visible, .mn-idioma:focus-visible, .mn-num:focus-visible { outline: 2px solid var(--oro); outline-offset: 1px; }
.mn-ico:disabled { opacity: 0.32; cursor: default; background: transparent; }
.mn-ico-txt { font-size: 13.5px; font-weight: 650; }
.mn-idioma {
  height: 34px; min-width: 46px; padding: 0 10px; margin-left: 4px; border-radius: 999px; cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.2); background: rgba(255, 255, 255, 0.06); color: #fff; font-weight: 700; font-size: 13px;
}
.mn-idioma:hover { border-color: var(--oro); }
.solo-estrecho { display: none !important; }
@media (max-width: 760px) {
  .solo-ancho { display: none !important; }
  .solo-estrecho { display: inline-flex !important; }
  .mn-ico-txt { display: none; }
  .mn-volver-txt { display: none; }
  .mn-volver { padding: 0 10px 0 6px; }
  .mn-titulo b { font-size: 14px; letter-spacing: 0.02em; }
  .mn-titulo small { font-size: 11.5px; }
}
@media (max-width: 380px) { .mn-titulo small { display: none; } }

/* pie: progreso */
.mn-progreso { position: relative; flex: 1; min-width: 0; height: 40px; display: flex; align-items: center; }
.mn-pista { position: absolute; left: 0; right: 0; top: 50%; height: 4px; margin-top: -2px; border-radius: 4px; background: rgba(255, 255, 255, 0.14); }
.mn-relleno { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 4px; background: linear-gradient(90deg, var(--azul), var(--oro) 55%, var(--fuego)); }
.mn-marca { position: absolute; top: -3px; width: 2px; height: 10px; margin-left: -1px; border-radius: 2px; background: rgba(255, 221, 160, 0.75); }
.mn-progreso input[type='range'] {
  position: relative; z-index: 1; width: 100%; height: 40px; margin: 0; background: transparent; cursor: pointer;
  -webkit-appearance: none; appearance: none;
}
.mn-progreso input[type='range']::-webkit-slider-runnable-track { height: 40px; background: transparent; }
.mn-progreso input[type='range']::-moz-range-track { height: 40px; background: transparent; }
.mn-progreso input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none; width: 18px; height: 18px; margin-top: 11px; border-radius: 50%;
  background: #fff; border: 3px solid var(--oro); box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5), 0 0 0 4px rgba(255, 197, 96, 0.18);
}
.mn-progreso input[type='range']::-moz-range-thumb { width: 14px; height: 14px; border-radius: 50%; background: #fff; border: 3px solid var(--oro); }
.mn-progreso input[type='range']:focus-visible { outline: none; }
.mn-progreso input[type='range']:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 5px rgba(255, 197, 96, 0.45); }
.mn-vistazo {
  position: absolute; bottom: 48px; transform: translateX(-50%); z-index: 5; pointer-events: none;
  width: 130px; padding: 8px; border-radius: 14px; text-align: center;
  background: rgba(9, 13, 36, 0.96); border: 1px solid var(--borde); box-shadow: 0 18px 40px rgba(0, 0, 0, 0.6);
}
.mn-vistazo img { display: block; width: 88px; height: auto; aspect-ratio: 1240 / 1754; margin: 0 auto 6px; border-radius: 3px; background: #ddd; }
.mn-vistazo span { display: block; font-size: 11px; line-height: 1.3; color: var(--texto-2); }
.mn-vistazo b { display: block; color: #fff; font-size: 12.5px; }
.mn-num {
  flex: none; display: inline-flex; align-items: baseline; gap: 4px; height: 38px; padding: 0 12px; border-radius: 999px; cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.16); background: rgba(255, 255, 255, 0.05); align-items: center;
}
.mn-num b { font-size: 14.5px; color: #fff; font-variant-numeric: tabular-nums; }
.mn-num span { font-size: 12.5px; color: var(--texto-3); }
.mn-flecha { flex: none; }
@media (max-width: 520px) { .mn-num span { display: none; } .mn-pie { gap: 4px; } }

/* ------------------------------ escena ----------------------------- */
.mn-escena {
  position: fixed; z-index: 1; left: 0; right: 0;
  top: calc(var(--alto-barra) + env(safe-area-inset-top));
  bottom: calc(var(--alto-pie) + env(safe-area-inset-bottom));
  display: grid; place-items: center;
  touch-action: none; overflow: hidden;
  perspective-origin: 50% 46%;
}
.mn-carga { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 18px; z-index: 10; transition: opacity 0.45s; }
.mn-carga img { width: min(38vw, 220px); height: auto; border-radius: 4px 10px 10px 4px; box-shadow: 0 30px 70px -20px rgba(0, 0, 0, 0.9), 0 0 60px rgba(255, 140, 60, 0.25); animation: mn-latir 1.6s ease-in-out infinite; }
.mn-carga span { color: var(--texto-2); font-size: 14px; letter-spacing: 0.06em; }
.mn-carga.fuera { opacity: 0; pointer-events: none; }
@keyframes mn-latir { 50% { transform: translateY(-6px); } }

.mn-libro {
  position: relative; transform-style: preserve-3d;
  will-change: transform; opacity: 0; transition: opacity 0.4s;
}
.mn-listo .mn-libro { opacity: 1; }
.mn-sombra-libro {
  position: absolute; top: 2%; height: 98%; z-index: -1; pointer-events: none;
  box-shadow: 0 28px 60px -12px rgba(0, 0, 0, 0.85), 0 60px 120px -40px rgba(0, 0, 0, 0.7);
  border-radius: 4px; transform: translateZ(-2px);
}
.mn-pag, .mn-cara, .mn-lupa-pag {
  background-color: var(--papel); background-repeat: no-repeat; background-size: 100% 100%;
}
.mn-pag {
  position: absolute; top: 0; overflow: hidden;
  transform: translateZ(0);
}
.mn-pag.izq { border-radius: 3px 0 0 3px; }
.mn-pag.der { border-radius: 0 3px 3px 0; }
.mn-simple .mn-pag.der { border-radius: 2px 3px 3px 2px; }
/* sombra del lomo (el pliegue del centro) */
.mn-pag::after { content: ''; position: absolute; inset: 0; pointer-events: none; }
.mn-doble .mn-pag.izq::after { background: linear-gradient(to left, rgba(0, 0, 0, 0.26) 0, rgba(0, 0, 0, 0.08) 3.2%, rgba(255, 255, 255, 0.07) 5%, transparent 11%), linear-gradient(to right, rgba(0, 0, 0, 0.05), transparent 4%); }
.mn-doble .mn-pag.der::after { background: linear-gradient(to right, rgba(0, 0, 0, 0.24) 0, rgba(0, 0, 0, 0.07) 3.2%, rgba(255, 255, 255, 0.07) 5%, transparent 11%), linear-gradient(to left, rgba(0, 0, 0, 0.05), transparent 4%); }
.mn-simple .mn-pag.der::after { background: linear-gradient(to right, rgba(0, 0, 0, 0.16), transparent 4%); }
.mn-libro.cerrado .mn-pag::after { background: linear-gradient(to right, rgba(255, 255, 255, 0.16), transparent 3%, transparent 96%, rgba(0, 0, 0, 0.15)); }
.mn-proyectada { position: absolute; inset: 0; pointer-events: none; z-index: 2; }
.mn-pag.guarda, .mn-cara.guarda { background-color: #0c1440; }
.mn-pag.papel, .mn-cara.papel { background-color: #f6f3ec; }

/* cantos: el grosor de las páginas a cada lado */
.mn-canto {
  position: absolute; top: 0.6%; height: 98.8%; pointer-events: none; transition: opacity 0.2s;
  background:
    linear-gradient(to bottom, rgba(0, 0, 0, 0.18), transparent 6%, transparent 94%, rgba(0, 0, 0, 0.22)),
    repeating-linear-gradient(to right, #ede7da 0 1px, #fffdf7 1px 2.3px);
}
.mn-canto.izq { border-radius: 4px 0 0 4px; box-shadow: inset 2px 0 3px rgba(0, 0, 0, 0.25); }
.mn-canto.der { border-radius: 0 4px 4px 0; box-shadow: inset -2px 0 3px rgba(0, 0, 0, 0.25); }

/* la hoja que se pasa: tiras anidadas */
.mn-hoja, .mn-tira { position: absolute; top: 0; transform-style: preserve-3d; -webkit-transform-style: preserve-3d; }
.mn-hoja { pointer-events: none; transform-origin: 0 50%; z-index: 4; }
.mn-tira { transform-origin: 0 50%; }
.mn-cara {
  position: absolute; inset: 0;
  backface-visibility: hidden; -webkit-backface-visibility: hidden;
}
.mn-cara.b { transform: rotateY(180deg); }
.mn-luz-cara { position: absolute; inset: 0; pointer-events: none; }

/* estado de carga o error de una página */
.mn-estado {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); z-index: 3;
  display: grid; justify-items: center; gap: 10px; width: min(80%, 300px); padding: 14px 16px; border-radius: 14px; text-align: center;
  background: rgba(9, 13, 36, 0.72); color: #fff; font-size: 13px; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.mn-estado:not(.error) { width: auto; grid-auto-flow: column; padding: 8px 14px; border-radius: 999px; opacity: 0; animation: mn-aparece 0.3s 0.7s forwards; }
.mn-estado b { font-weight: 650; line-height: 1.45; }
@keyframes mn-aparece { to { opacity: 1; } }
.mn-giro { width: 16px; height: 16px; border-radius: 50%; border: 2px solid rgba(255, 255, 255, 0.25); border-top-color: var(--oro); animation: mn-gira 0.8s linear infinite; display: inline-block; vertical-align: -3px; }
.mn-giro.peq { width: 13px; height: 13px; }
@keyframes mn-gira { to { transform: rotate(360deg); } }

/* enlaces del libro */
.mn-enlaces { position: absolute; inset: 0; z-index: 1; }
.mn-enlace { position: absolute; display: block; border-radius: 3px; cursor: pointer; transition: background 0.15s, box-shadow 0.15s; }
.mn-enlace:hover, .mn-enlace:focus-visible { background: rgba(43, 91, 255, 0.13); box-shadow: 0 0 0 1px rgba(43, 91, 255, 0.45); outline: none; }
.mn-enlace.ext:hover, .mn-enlace.ext:focus-visible { background: rgba(255, 140, 40, 0.14); box-shadow: 0 0 0 1px rgba(255, 140, 40, 0.5); }
.mn-libro.en-portada .mn-pag.der { cursor: pointer; }
.mn-libro { cursor: default; }
@media (hover: hover) and (pointer: fine) { .mn-pag { cursor: pointer; } }

/* ------------------------------ panel ------------------------------ */
.mn-panel {
  position: fixed; z-index: 30; left: 0;
  top: calc(var(--alto-barra) + env(safe-area-inset-top)); bottom: calc(var(--alto-pie) + env(safe-area-inset-bottom));
  width: min(400px, 100vw); display: flex; flex-direction: column;
  background: rgba(8, 12, 32, 0.96); border-right: 1px solid var(--borde);
  box-shadow: 30px 0 80px -30px rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  animation: mn-entra 0.25s cubic-bezier(.2, .7, .2, 1);
  -webkit-user-select: text; user-select: text;
}
@keyframes mn-entra { from { transform: translateX(-24px); opacity: 0; } }
.mn-panel-cab { display: flex; align-items: center; gap: 6px; padding: 10px 10px 8px 12px; border-bottom: 1px solid var(--borde); }
.mn-pestanas { flex: 1; display: flex; gap: 4px; padding: 3px; border-radius: 12px; background: rgba(255, 255, 255, 0.05); }
.mn-pestanas button {
  flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 36px; border: 0; border-radius: 9px;
  background: transparent; color: var(--texto-2); font-size: 13.5px; font-weight: 650; cursor: pointer;
}
.mn-pestanas button svg { width: 17px; height: 17px; }
.mn-pestanas button[aria-selected='true'] { background: rgba(255, 255, 255, 0.95); color: #0a0f2c; }
.mn-panel-cont { flex: 1; overflow: auto; padding: 12px 12px 24px; overscroll-behavior: contain; scrollbar-width: thin; scrollbar-color: rgba(255, 255, 255, 0.2) transparent; }
.mn-apagado { color: var(--texto-3); font-size: 13.5px; padding: 8px 4px; }
.mn-indice-sub { margin: 2px 4px 12px; color: var(--oro-2); font-size: 12.5px; letter-spacing: 0.08em; }
.mn-parte { margin-bottom: 14px; }
.mn-parte-cab {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 10px; margin: 0 0 6px; padding: 10px 12px;
  border: 0; border-radius: 12px; cursor: pointer; text-align: left;
  background: linear-gradient(110deg, rgba(158, 22, 64, 0.55), rgba(43, 91, 255, 0.28)); color: #fff; font-weight: 750; font-size: 14px; letter-spacing: 0.04em;
}
.mn-parte-cab.sin { cursor: default; background: rgba(255, 255, 255, 0.06); font-size: 12.5px; color: var(--texto-2); letter-spacing: 0.1em; }
.mn-parte-cab b { font-size: 12px; color: var(--oro-2); font-weight: 650; }
.mn-parte-cab.actual { box-shadow: 0 0 0 1.5px var(--oro); }
.mn-caps, .mn-subs { list-style: none; margin: 0; padding: 0; }
.mn-cap { border-radius: 10px; }
.mn-cap.actual { background: rgba(255, 197, 96, 0.09); box-shadow: inset 3px 0 0 var(--oro); }
.mn-cap-fila { display: flex; align-items: stretch; }
.mn-cap-ir {
  flex: 1; min-width: 0; display: flex; align-items: center; gap: 10px; padding: 9px 8px 9px 10px; border: 0; border-radius: 10px;
  background: transparent; cursor: pointer; text-align: left; color: var(--texto);
}
.mn-cap-ir:hover, .mn-subs button:hover { background: rgba(255, 255, 255, 0.06); }
.mn-cap-num {
  flex: none; display: inline-grid; place-items: center; min-width: 30px; height: 24px; padding: 0 6px; border-radius: 7px;
  background: rgba(43, 91, 255, 0.22); color: #b9ccff; font-size: 12px; font-weight: 800; font-variant-numeric: tabular-nums;
}
.mn-cap-num.vacio { background: transparent; }
.mn-cap.actual .mn-cap-num { background: var(--oro); color: #241100; }
.mn-cap-t { flex: 1; min-width: 0; font-size: 14px; font-weight: 600; line-height: 1.35; }
.mn-cap-p { flex: none; color: var(--texto-3); font-size: 12px; font-variant-numeric: tabular-nums; }
.mn-cap-abrir { flex: none; width: 36px; border: 0; border-radius: 10px; background: transparent; color: var(--texto-3); cursor: pointer; display: grid; place-items: center; }
.mn-cap-abrir:hover { color: #fff; background: rgba(255, 255, 255, 0.06); }
.mn-cap-abrir svg { transition: transform 0.2s; }
.mn-cap-abrir[aria-expanded='true'] svg { transform: rotate(180deg); }
.mn-subs { padding: 2px 0 8px 40px; }
.mn-subs button {
  width: 100%; display: flex; gap: 10px; justify-content: space-between; padding: 6px 8px; border: 0; border-radius: 8px;
  background: transparent; color: var(--texto-2); font-size: 13px; text-align: left; cursor: pointer; line-height: 1.35;
}
.mn-subs button b { flex: none; color: var(--texto-3); font-weight: 500; font-size: 12px; }
.mn-subs button.actual { color: var(--oro-2); background: rgba(255, 197, 96, 0.08); }
.mn-minis { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 12px 10px; }
.mn-mini { position: relative; padding: 0; border: 0; background: none; cursor: pointer; border-radius: 6px; }
.mn-mini img { display: block; width: 100%; height: auto; aspect-ratio: 1240 / 1754; border-radius: 4px; background: #e9e5dc; box-shadow: 0 6px 16px rgba(0, 0, 0, 0.45); transition: transform 0.15s; }
.mn-mini:hover img { transform: translateY(-2px); }
.mn-mini b { display: block; margin-top: 4px; font-size: 11.5px; color: var(--texto-3); font-weight: 600; text-align: center; }
.mn-mini.actual img { box-shadow: 0 0 0 3px var(--oro), 0 6px 16px rgba(0, 0, 0, 0.45); }
.mn-mini.actual b { color: var(--oro); }
.mn-buscar { position: relative; display: flex; align-items: center; margin-bottom: 10px; }
.mn-buscar svg { position: absolute; left: 13px; color: var(--texto-3); pointer-events: none; }
.mn-buscar input {
  width: 100%; height: 46px; padding: 0 14px 0 42px; border-radius: 13px; border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(0, 0, 0, 0.3); color: #fff; font: inherit; font-size: 16px;
}
.mn-buscar input:focus { outline: none; border-color: var(--oro); box-shadow: 0 0 0 3px rgba(255, 197, 96, 0.2); }
.mn-res-n { margin: 4px 4px 10px; color: var(--oro-2); font-size: 13px; font-weight: 650; }
.mn-res-lista { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.mn-res-lista button {
  width: 100%; display: grid; gap: 4px; padding: 10px 12px; border: 1px solid rgba(255, 255, 255, 0.08); border-radius: 12px;
  background: rgba(255, 255, 255, 0.035); text-align: left; cursor: pointer; color: var(--texto-2);
}
.mn-res-lista button:hover { border-color: rgba(255, 197, 96, 0.4); background: rgba(255, 255, 255, 0.06); }
.mn-res-cab { display: flex; align-items: baseline; gap: 8px; min-width: 0; }
.mn-res-cab b { flex: none; color: #fff; font-size: 13px; }
.mn-res-cab small { flex: 1; min-width: 0; color: var(--texto-3); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mn-res-cab em { flex: none; font-style: normal; font-size: 11.5px; color: var(--oro-2); }
.mn-res-frag { font-size: 13px; line-height: 1.5; }
.mn-res-frag mark { background: rgba(255, 197, 96, 0.3); color: #fff; border-radius: 3px; padding: 0 2px; }
@media (max-width: 760px) {
  .mn-panel { width: 100vw; border-right: 0; }
}
/* En pantallas anchas el libro se aparta para que el índice no lo tape. */
@media (min-width: 1100px) {
  .mn-con-panel .mn-escena { left: min(400px, 100vw); }
  .mn-con-panel .mn-panel { box-shadow: none; }
}

/* ------------------------------ menús ------------------------------ */
.mn-menu {
  position: fixed; z-index: 50; min-width: 230px; padding: 6px; border-radius: 16px;
  background: rgba(10, 14, 38, 0.98); border: 1px solid var(--borde); box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
}
.mn-menu button[role='menuitem'] {
  width: 100%; display: flex; align-items: center; gap: 12px; padding: 11px 12px; border: 0; border-radius: 10px;
  background: transparent; cursor: pointer; text-align: left; font-size: 14.5px;
}
.mn-menu button[role='menuitem']:hover, .mn-menu button[role='menuitem']:focus-visible { background: rgba(255, 255, 255, 0.08); outline: none; }
.mn-menu-idioma { display: inline-grid; place-items: center; min-width: 20px; font-size: 12px; font-weight: 800; color: var(--oro); white-space: nowrap; }
.mn-ir { display: flex; align-items: flex-end; gap: 10px; padding: 14px; }
.mn-ir label { display: grid; gap: 6px; font-size: 13px; color: var(--texto-2); }
.mn-ir input { width: 110px; height: 42px; padding: 0 12px; border-radius: 10px; border: 1px solid rgba(255, 255, 255, 0.2); background: rgba(0, 0, 0, 0.35); color: #fff; font: inherit; font-size: 18px; font-weight: 700; }
.mn-ir input:focus { outline: none; border-color: var(--oro); }
.mn-ir small { color: var(--texto-3); }
.mn-boton {
  display: inline-flex; align-items: center; justify-content: center; height: 40px; padding: 0 16px; border: 0; border-radius: 999px; cursor: pointer;
  background: linear-gradient(110deg, #ffb41f 0%, #ff6a1a 50%, #d81c27 100%); color: #160700; font-weight: 800; font-size: 14px;
}
.mn-boton:hover { filter: brightness(1.07); }

/* ------------------------------ avisos ----------------------------- */
.mn-avisos {
  position: fixed; z-index: 60; left: 50%; transform: translateX(-50%);
  bottom: calc(var(--alto-pie) + env(safe-area-inset-bottom) + 14px);
  display: grid; gap: 8px; width: min(560px, calc(100vw - 24px)); pointer-events: none;
}
.mn-aviso {
  pointer-events: auto; display: flex; align-items: center; gap: 10px; padding: 10px 8px 10px 16px; border-radius: 16px;
  background: rgba(10, 14, 38, 0.95); border: 1px solid rgba(255, 197, 96, 0.3); box-shadow: 0 18px 50px rgba(0, 0, 0, 0.55);
  font-size: 14px; color: var(--texto); animation: mn-sube 0.3s cubic-bezier(.2, .7, .2, 1);
  transition: opacity 0.3s, transform 0.3s;
}
.mn-aviso > span { flex: 1; }
.mn-aviso.fuera { opacity: 0; transform: translateY(8px); }
.mn-aviso .mn-boton { height: 34px; padding: 0 14px; font-size: 13.5px; }
.mn-aviso-x { flex: none; width: 32px; height: 32px; border: 0; border-radius: 50%; background: transparent; color: var(--texto-3); cursor: pointer; display: grid; place-items: center; }
.mn-aviso-x:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.mn-aviso-x svg { width: 16px; height: 16px; }
.mn-aviso.seguir { border-color: rgba(255, 197, 96, 0.6); }
@keyframes mn-sube { from { opacity: 0; transform: translateY(10px); } }

/* ------------------------------- lupa ------------------------------ */
.mn-lupa { position: fixed; inset: 0; z-index: 80; background: rgba(3, 5, 16, 0.94); touch-action: none; overflow: hidden; cursor: grab; animation: mn-aparece 0.2s both; opacity: 0; }
.mn-lupa:active { cursor: grabbing; }
.mn-lupa-lienzo { position: absolute; left: 0; top: 0; display: flex; transform-origin: 0 0; will-change: transform; }
.mn-lupa-pag { flex: none; box-shadow: 0 30px 80px rgba(0, 0, 0, 0.7); }
.mn-lupa-barra {
  position: fixed; top: calc(12px + env(safe-area-inset-top)); right: 12px; display: flex; align-items: center; gap: 2px; padding: 4px;
  border-radius: 999px; background: rgba(10, 14, 38, 0.92); border: 1px solid var(--borde);
}
.mn-lupa-z { min-width: 54px; text-align: center; font-size: 13px; font-weight: 700; color: var(--texto-2); font-variant-numeric: tabular-nums; }
.mn-lupa-ayuda { position: fixed; bottom: calc(14px + env(safe-area-inset-bottom)); left: 50%; transform: translateX(-50%); margin: 0; padding: 7px 14px; border-radius: 999px; background: rgba(10, 14, 38, 0.85); color: var(--texto-3); font-size: 12.5px; white-space: nowrap; pointer-events: none; }
@media (max-width: 520px) { .mn-lupa-ayuda { white-space: normal; width: calc(100vw - 32px); text-align: center; } }

/* ------------------------- solo lectura en pantalla ------------------------ */
.mn-imprimir { display: none; }
.mn-sinjs { position: fixed; inset: 0; display: grid; place-items: center; margin: 0; padding: 24px; text-align: center; z-index: 99; background: var(--noche); }
@media print {
  body.manual > *:not(.mn-imprimir) { display: none !important; }
  .mn-imprimir { display: block !important; position: static; padding: 40px; font-size: 18px; color: #000; }
  body.manual { position: static; background: #fff; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition: none !important; }
}