/* ============================================================
   Mi Biblioteca · sistema visual de la familia (Fraunces + DM Sans)
   Todos los colores son variables. Las paletas solo redefinen el acento.
   ============================================================ */
@font-face{font-family:"Fraunces";src:url(../fonts/fraunces-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Fraunces";src:url(../fonts/fraunces-latin-400-italic.woff2) format("woff2");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:"Fraunces";src:url(../fonts/fraunces-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Fraunces";src:url(../fonts/fraunces-latin-700-normal.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"DM Sans";src:url(../fonts/dm-sans-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"DM Sans";src:url(../fonts/dm-sans-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"DM Sans";src:url(../fonts/dm-sans-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"DM Sans";src:url(../fonts/dm-sans-latin-700-normal.woff2) format("woff2");font-weight:700;font-display:swap}

/* ---------- tema claro (papel) ---------- */
:root{
  color-scheme:light;
  --bg:#f5f2ec; --surface:#fffdf9; --sunk:#eee9e0; --line:#e5dfd4; --line2:#d3cbbd;
  --ink:#1d1a16; --muted:#6b645a; --faint:#9b9387;
  --ok:#2f7d4f; --ok-bg:#e4f1e8; --warn:#9a6a0b; --warn-bg:#f8eed6; --err:#b23a3a; --err-bg:#f8e3e1;
  --pos:#2f7d4f; --neg:#b23a3a;
  --g2:#c0612b; --g3:#2e7d5b; --g4:#2c5aa0; --g5:#7b4a8c;
  --sombra:0 1px 2px rgba(40,30,15,.05),0 6px 20px rgba(40,30,15,.06);
  --sombra-alta:0 2px 6px rgba(40,30,15,.08),0 18px 48px rgba(40,30,15,.16);
  --radio:14px; --radio-s:9px;
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"DM Sans",ui-sans-serif,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  /* acento por defecto: Granate */
  --accent:#9b2d3a; --accent-soft:#f6e6e7; --accent-ink:#6c1f29; --on-accent:#fff; --g1:#9b2d3a;
}
/* ---------- tema oscuro (biblioteca de noche) ---------- */
:root[data-tema="oscuro"]{
  color-scheme:dark;
  --bg:#12110f; --surface:#1b1a17; --sunk:#0c0b0a; --line:#2b2925; --line2:#3b3832;
  --ink:#f2eee6; --muted:#a8a194; --faint:#726c62;
  --ok:#6cc495; --ok-bg:#16291f; --warn:#e2b04f; --warn-bg:#2d2414; --err:#ec8a83; --err-bg:#311a19;
  --pos:#6cc495; --neg:#ec8a83;
  --g2:#e58c5a; --g3:#6cc495; --g4:#7ea8ec; --g5:#b98ccc;
  --sombra:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.3);
  --sombra-alta:0 2px 6px rgba(0,0,0,.5),0 20px 56px rgba(0,0,0,.55);
  --accent:#e58893; --accent-soft:#36191d; --accent-ink:#f4c5ca; --on-accent:#2a0d11; --g1:#e58893;
}

/* ---------- paletas (Ajustes → Apariencia) ---------- */
:root[data-paleta="tinta"]{--accent:#2c5aa0;--accent-soft:#e7eef8;--accent-ink:#1c3d70;--on-accent:#fff;--g1:#2c5aa0;--g4:#9b2d3a}
:root[data-tema="oscuro"][data-paleta="tinta"]{--accent:#7ea8ec;--accent-soft:#1b2537;--accent-ink:#bcd2f6;--on-accent:#0f1726;--g1:#7ea8ec;--g4:#e58893}
:root[data-paleta="verde"]{--accent:#2e6b4e;--accent-soft:#e2eee7;--accent-ink:#1d4834;--g1:#2e6b4e;--g3:#2c5aa0}
:root[data-tema="oscuro"][data-paleta="verde"]{--accent:#72c39c;--accent-soft:#172b22;--accent-ink:#c0e7d3;--on-accent:#0b1d15;--g1:#72c39c;--g3:#7ea8ec}
:root[data-paleta="ocre"]{--accent:#a5631a;--accent-soft:#f6eadb;--accent-ink:#71430f;--g1:#a5631a;--g4:#2c5aa0}
:root[data-tema="oscuro"][data-paleta="ocre"]{--accent:#e5a75c;--accent-soft:#322416;--accent-ink:#f6d7b0;--on-accent:#24170a;--g1:#e5a75c;--g4:#7ea8ec}

/* ============================================================ base */
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font:15px/1.55 var(--sans);-webkit-font-smoothing:antialiased;min-height:100vh;overflow-x:hidden}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;letter-spacing:-.01em;line-height:1.2}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
a{color:var(--accent)}
.ico{flex:none;display:block}
.num{font-variant-numeric:tabular-nums}
.oculto{display:none!important}
.ayuda{color:var(--muted);font-size:13px}
.debil{color:var(--faint)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

/* ============================================================ cabecera */
.cab{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--bg) 86%,transparent);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.cab-in{max-width:1240px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:14px}
.marca{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:21px;font-weight:600;letter-spacing:-.02em;white-space:nowrap;text-decoration:none;color:var(--ink)}
.marca .sello{width:32px;height:32px;border-radius:9px;background:var(--accent);color:var(--on-accent);display:grid;place-items:center}
.pestanas{display:flex;gap:2px;background:var(--sunk);border:1px solid var(--line);padding:3px;border-radius:999px}
.pestanas a{display:flex;align-items:center;gap:7px;padding:7px 14px;border-radius:999px;color:var(--muted);text-decoration:none;font-weight:500;font-size:14px}
.pestanas a:hover{color:var(--ink)}
.pestanas a[aria-current="page"]{background:var(--surface);color:var(--ink);box-shadow:var(--sombra)}
.crece{flex:1}
.estado-nube{display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--muted);padding:6px 10px;border-radius:999px;border:1px solid transparent;background:none}
.estado-nube:hover{border-color:var(--line)}
.estado-nube.ok{color:var(--ok)} .estado-nube.mal{color:var(--err)} .estado-nube.aviso{color:var(--warn)}

/* ============================================================ botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:8px 14px;border-radius:10px;border:1px solid var(--line2);
  background:var(--surface);color:var(--ink);font-weight:500;font-size:14px;line-height:1.2;white-space:nowrap;transition:background .12s,border-color .12s}
.btn:hover{border-color:var(--faint)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.primario{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.btn.primario:hover{filter:brightness(1.07)}
.btn.suave{background:var(--accent-soft);border-color:transparent;color:var(--accent-ink)}
.btn.peligro{color:var(--err)}
.btn.icono{padding:8px;border-radius:10px}
.btn.ancho{width:100%}

/* ============================================================ estructura */
.envoltura{max-width:1240px;margin:0 auto;padding:26px 20px 110px}
.titular{display:flex;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.titular h1{font-size:34px;font-weight:600}
.titular .sub{color:var(--muted);margin-top:4px}
.tarjeta{background:var(--surface);border:1px solid var(--line);border-radius:var(--radio);box-shadow:var(--sombra);padding:20px}
.tarjeta h2{font-size:20px;margin-bottom:4px}
.tarjeta + .tarjeta{margin-top:16px}
.rejilla-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:16px}

/* KPIs */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:22px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--radio);padding:14px 16px}
.kpi .k{font-size:12.5px;color:var(--muted);font-weight:500}
.kpi .v{font-family:var(--serif);font-size:30px;font-weight:600;font-variant-numeric:tabular-nums;line-height:1.15;margin-top:2px}

/* segmentado tipo píldora */
.seg{display:inline-flex;background:var(--sunk);border:1px solid var(--line);border-radius:999px;padding:3px;gap:2px;flex-wrap:wrap}
.seg button{border:0;background:none;padding:6px 13px;border-radius:999px;color:var(--muted);font-size:13.5px;font-weight:500}
.seg button[aria-pressed="true"]{background:var(--surface);color:var(--ink);box-shadow:var(--sombra)}

/* pastillas */
.pastilla{display:inline-flex;align-items:center;gap:5px;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600;background:var(--sunk);color:var(--muted);white-space:nowrap}
.pastilla.acento{background:var(--accent-soft);color:var(--accent-ink)}
.pastilla.ok{background:var(--ok-bg);color:var(--ok)} .pastilla.aviso{background:var(--warn-bg);color:var(--warn)} .pastilla.mal{background:var(--err-bg);color:var(--err)}

/* avisos */
.aviso{display:flex;gap:12px;align-items:flex-start;padding:13px 15px;border-radius:12px;border:1px solid var(--line);background:var(--surface);margin-bottom:16px}
.aviso .ico{margin-top:2px}
.aviso.ok{background:var(--ok-bg);border-color:transparent;color:var(--ok)}
.aviso.aviso-w{background:var(--warn-bg);border-color:transparent;color:var(--warn)}
.aviso.mal{background:var(--err-bg);border-color:transparent;color:var(--err)}
.aviso .txt{color:var(--ink);flex:1}
.aviso .txt b{display:block;margin-bottom:2px}
.aviso .acciones{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}

/* formularios */
.campo{display:flex;flex-direction:column;gap:5px;margin-bottom:14px}
.campo label{font-size:13px;font-weight:600;color:var(--muted)}
.entrada{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--line2);background:var(--surface);outline:none;font-size:15px}
.entrada:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.error-campo{color:var(--err);font-size:13px;min-height:18px}

/* ============================================================ galería */
.galeria{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:22px 18px}
.libro{background:none;border:0;padding:0;text-align:left;display:flex;flex-direction:column;gap:9px;min-width:0}
.tapa{position:relative;aspect-ratio:2/3;border-radius:6px 10px 10px 6px;overflow:hidden;background:var(--sunk);
  box-shadow:inset 3px 0 0 rgba(0,0,0,.12),var(--sombra);transition:transform .15s,box-shadow .15s}
.libro:hover .tapa{transform:translateY(-3px);box-shadow:inset 3px 0 0 rgba(0,0,0,.12),var(--sombra-alta)}
.tapa img{width:100%;height:100%;object-fit:cover;display:block}
.tapa .nota{position:absolute;top:8px;right:8px;background:rgba(15,13,10,.78);color:#fff;font-family:var(--serif);font-weight:600;font-size:14px;
  min-width:28px;height:28px;padding:0 7px;border-radius:999px;display:grid;place-items:center;font-variant-numeric:tabular-nums}
.libro .t{font-weight:600;font-size:14px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.libro .a{color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
/* tapa tipográfica cuando no hay carátula */
.tapa-tipo{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:space-between;padding:14px 12px;color:#fffaf0}
.tapa-tipo .tt{font-family:var(--serif);font-size:17px;font-weight:600;line-height:1.15;overflow-wrap:anywhere}
.tapa-tipo .ta{font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;opacity:.85}
.tapa-tipo::before{content:"";position:absolute;left:12px;right:12px;top:50%;border-top:1px solid rgba(255,250,240,.35)}
.tc1{background:linear-gradient(160deg,#2c5aa0,#1c3d70)} .tc2{background:linear-gradient(160deg,#b0532a,#7a3517)}
.tc3{background:linear-gradient(160deg,#2e6b4e,#1d4834)} .tc4{background:linear-gradient(160deg,#9b2d3a,#6c1f29)}
.tc5{background:linear-gradient(160deg,#5d4a7a,#3b2d52)} .tc6{background:linear-gradient(160deg,#a5631a,#71430f)}

/* vacío */
.vacio{text-align:center;padding:56px 20px;border:1.5px dashed var(--line2);border-radius:var(--radio);color:var(--muted)}
.vacio h3{color:var(--ink);font-size:22px;margin-bottom:6px}
.vacio .acciones{display:flex;gap:10px;justify-content:center;margin-top:18px;flex-wrap:wrap}

/* selector de paletas */
.paletas{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-top:12px}
.paleta{border:1.5px solid var(--line);border-radius:12px;background:var(--surface);padding:12px;text-align:left;display:flex;flex-direction:column;gap:8px}
.paleta[aria-pressed="true"]{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.paleta .muestras{display:flex;gap:5px}
.paleta .muestras i{width:24px;height:24px;border-radius:7px;display:block}
.paleta b{font-size:14px}
.paleta span{font-size:12px;color:var(--muted)}
.m-tinta1{background:#2c5aa0}.m-tinta2{background:#e7eef8}.m-tinta3{background:#7ea8ec}
.m-granate1{background:#9b2d3a}.m-granate2{background:#f6e6e7}.m-granate3{background:#e58893}
.m-verde1{background:#2e6b4e}.m-verde2{background:#e2eee7}.m-verde3{background:#72c39c}
.m-ocre1{background:#a5631a}.m-ocre2{background:#f6eadb}.m-ocre3{background:#e5a75c}

/* filas de ajustes */
.fila{display:flex;align-items:center;gap:14px;padding:14px 0;border-top:1px solid var(--line);flex-wrap:wrap}
.fila:first-of-type{border-top:0}
.fila .que{flex:1;min-width:200px}
.fila .que b{display:block;font-weight:600}

/* conflictos */
.conflicto{border:1px solid var(--line);border-radius:12px;padding:14px;margin-top:12px}
.conflicto .opciones{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}
.opcion{border:1.5px solid var(--line);border-radius:10px;padding:10px;background:var(--surface);text-align:left}
.opcion[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.opcion small{display:block;color:var(--muted);font-size:12px;margin-bottom:3px}

/* ============================================================ modal */
.velo{position:fixed;inset:0;z-index:60;background:rgba(15,12,8,.48);display:grid;place-items:center;padding:16px;animation:aparece .15s}
.modal{background:var(--surface);border-radius:18px;box-shadow:var(--sombra-alta);width:min(560px,100%);max-height:calc(100vh - 32px);overflow:auto;padding:24px}
.modal h2{font-size:24px;margin-bottom:6px}
.modal .pie{display:flex;gap:10px;justify-content:flex-end;margin-top:20px;flex-wrap:wrap}
@keyframes aparece{from{opacity:0}to{opacity:1}}

/* bienvenida */
.bienvenida{max-width:860px;margin:6vh auto 0;padding:0 20px 60px}
.bienvenida .lema{font-family:var(--serif);font-size:44px;font-weight:600;letter-spacing:-.02em;line-height:1.1;margin-bottom:10px}
.bienvenida .lema em{color:var(--accent);font-style:italic;font-weight:400}

/* ============================================================ toasts */
.toasts{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:80;display:flex;flex-direction:column;gap:8px;align-items:center;width:max-content;max-width:calc(100vw - 32px)}
.toast{display:flex;align-items:center;gap:14px;background:var(--ink);color:var(--bg);padding:10px 12px 10px 16px;border-radius:12px;box-shadow:var(--sombra-alta);font-size:14px;animation:sube .2s}
.toast button{background:none;border:0;color:var(--bg);font-weight:700;padding:4px 6px;border-radius:7px;text-decoration:underline;text-underline-offset:3px}
@keyframes sube{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ============================================================ barra inferior (móvil) */
.barra{display:none}
@media (max-width:760px){
  .cab-in{padding:10px 16px;gap:8px}
  .cab .pestanas,.cab .txt-largo{display:none}
  .marca{font-size:19px}
  .envoltura{padding:18px 16px 110px}
  .titular h1{font-size:28px}
  .galeria{grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:16px 12px}
  .tapa-tipo .tt{font-size:14px}
  .barra{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:40;
    background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    border-top:1px solid var(--line);padding:6px 6px calc(6px + env(safe-area-inset-bottom))}
  .barra a{display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 2px;color:var(--faint);text-decoration:none;font-size:11.5px;font-weight:500}
  .barra a[aria-current="page"]{color:var(--accent)}
  .toasts{bottom:86px}
  .conflicto .opciones{grid-template-columns:1fr}
  .bienvenida .lema{font-size:34px}
}

/* añadidos de la fase 1 */
.pie{display:flex;gap:10px;justify-content:flex-end;margin-top:16px;flex-wrap:wrap}
.sep{height:12px}
.bloques{margin-top:30px}
.ajustes{display:flex;flex-direction:column;gap:16px}
.ajustes .tarjeta + .tarjeta{margin-top:0}
.nota-clave{margin-top:12px}
.rejilla-2 > .tarjeta + .tarjeta{margin-top:0}
.tapa-tipo .tt{padding-right:30px}
/* tapas sin carátula: cortar por sílabas, raya encima del autor */
.tapa-tipo::before{display:none}
.tapa-tipo .tt{overflow-wrap:break-word;hyphens:auto;-webkit-hyphens:auto}
.tapa-tipo .ta{border-top:1px solid rgba(255,250,240,.35);padding-top:8px}
@media (max-width:760px){.tapa-tipo{padding:10px 9px}.tapa-tipo .tt{font-size:13px;padding-right:24px}.tapa-tipo .ta{font-size:9.5px}.tapa .nota{min-width:24px;height:24px;font-size:12.5px;top:6px;right:6px}}