/* Chrome compartido por la biblioteca (index.html) y el catálogo (catalogo.html):
   base de página, cabecera, filtros, cards y split button. Lo propio de cada vista
   (barra de descargas del catálogo, zona de soltado y diálogos de la biblioteca)
   vive en el <style> de su página. */

*{ box-sizing:border-box }
body{ margin:0; font-family:Poppins,system-ui,sans-serif; font-weight:400;
      background:var(--md-sys-color-surface-container-low); color:var(--md-sys-color-on-surface);
      color-scheme:light }
:root[data-theme="dark"] body{ color-scheme:dark }

header h1{ font-size:16px; font-weight:600; margin:0; line-height:1.2 }
header h1 .corto{ display:none }
header .sub{ color:var(--md-sys-color-on-surface-variant); font-size:12px; line-height:1.2 }
header .acciones-topbar{ margin-left:auto; display:flex; align-items:center; gap:8px }
.icono{ display:inline-flex; align-items:center; justify-content:center; width:36px; height:36px; border-radius:999px; border:0; background:transparent; color:var(--md-sys-color-on-surface-variant); cursor:pointer }
.icono:hover{ background:var(--md-sys-color-surface-container-high) }
.icono .material-symbols-rounded{ font-family:"Material Symbols Rounded"; font-size:22px; line-height:1 }

main{ max-width:880px; margin:0 auto; padding:24px 16px 120px }
.filtros{ display:flex; flex-wrap:wrap; gap:10px; margin-bottom:20px }
input[type=search], select{
  font:inherit; font-size:14px; padding:10px 14px; border-radius:12px;
  border:1px solid var(--md-sys-color-outline); background:var(--md-sys-color-surface);
  color:inherit }
input[type=search]{ flex:1 1 260px }
input[type=search]:focus, select:focus{ outline:2px solid var(--brand-accent); border-color:transparent }

.card{ background:var(--md-sys-color-surface); border:1px solid var(--md-sys-color-outline-variant);
       border-radius:16px; padding:16px 18px; margin-bottom:10px; display:flex; gap:14px }
.card input[type=checkbox]{ width:18px; height:18px; margin-top:4px; accent-color:var(--brand-accent) }
.card h2{ font-size:15px; font-weight:600; margin:0 }
.card h2 a{ color:inherit; text-decoration:none }
.card h2 a:hover{ color:var(--brand-accent) }
.card .autor{ font-size:14px; font-weight:500; margin:2px 0 0 }
.meta{ font-size:13px; color:var(--md-sys-color-on-surface-variant); margin:2px 0 6px }
.sinopsis{ font-size:13px; margin:0; color:var(--md-sys-color-on-surface-variant) }
.paginas{ white-space:nowrap; cursor:help }
.acciones{ margin-left:auto; align-self:center; flex-shrink:0; display:flex; flex-direction:column;
           gap:6px; align-items:flex-end; position:relative }

.chip{ font-size:13px; font-weight:500; text-decoration:none; padding:8px 14px; border-radius:999px;
       border:0; cursor:pointer; font-family:inherit; white-space:nowrap }
.chip.tonal{ color:var(--brand-accent); background:var(--brand-accent-soft) }
.chip.tonal:hover{ background:color-mix(in oklch, var(--brand-accent-soft) 85%, #000) }
.chip.lleno{ color:#fff; background:var(--brand-accent) }
.chip.lleno:hover{ background:var(--brand-accent-hover) }
.chip.plano{ color:var(--md-sys-color-on-surface-variant); background:transparent; padding:6px 10px }
.chip.plano:hover{ background:var(--md-sys-color-surface-container-high) }
.chip:disabled{ opacity:.5; cursor:default }

/* Split button (DS Folio: chip + menú): leading = acción principal; trailing = menú */
.split{ display:inline-flex; align-items:stretch }
.split .chip{ display:inline-flex; align-items:center; gap:6px; border:0; cursor:pointer; font-family:inherit }
.split .chip .material-symbols-rounded{ font-family:"Material Symbols Rounded"; font-size:18px; line-height:1 }
.split .principal{ border-radius:999px 0 0 999px; padding-right:12px }
.split .flecha{ border-radius:0 999px 999px 0; padding:6px 8px 6px 6px; border-left:1px solid color-mix(in oklch, var(--brand-accent) 30%, transparent) }
.split .flecha[aria-expanded="true"]{ background:color-mix(in oklch, var(--brand-accent-soft) 85%, #000) }
.split .chip:disabled{ opacity:.6; cursor:progress }
.split .menu{ position:absolute; right:0; top:calc(100% + 6px); z-index:20; width:240px; margin:0; padding:8px; box-sizing:border-box;
  background:var(--md-sys-color-surface-container-lowest); border:1px solid var(--md-sys-color-outline-variant); border-radius:14px; box-shadow:var(--elev-4, 0 8px 24px rgba(0,0,0,.18)) }
.split .mi{ display:flex; align-items:center; gap:10px; width:100%; padding:10px 12px; border:0; border-radius:10px; background:transparent; text-align:left;
  font:inherit; font-size:13px; color:var(--md-sys-color-on-surface); text-decoration:none; cursor:pointer }
.split .mi:hover, .split .mi:focus-visible{ background:var(--md-sys-color-surface-container-high); outline:none }
.split .mi.peligro{ color:var(--status-danger, #b3261e) }
.split .mi .material-symbols-rounded{ font-family:"Material Symbols Rounded"; font-size:20px; line-height:1; color:var(--md-sys-color-on-surface-variant) }

#estado{ font-size:12px; color:var(--md-sys-color-on-surface-variant); margin:16px 4px }

/* Móvil: cabecera compacta, filtros a dos columnas, acciones debajo del texto */
@media (max-width: 900px){
  header .sub{ display:none }
  header h1 .largo{ display:none }
  header h1 .corto{ display:inline }
  header .acciones-topbar .chip{ padding:8px 12px }
  main{ padding:16px 12px 120px }
  .filtros > *{ flex:1 1 calc(50% - 5px); min-width:0 }
  .filtros > input:first-child{ flex-basis:100% }
  .card{ flex-wrap:wrap }
  .acciones{ margin-left:0; width:100%; flex-direction:row; justify-content:flex-end; align-items:center }
  .split .menu{ right:auto; left:0 }
}