/* Layout: móvil = contenido + barra de pestañas abajo; tablet/escritorio = rail lateral + contenido */
:root{
  --bg:#F2F5F4; --surface:#FFFFFF; --surface-2:#E6ECEA; --fg:#13201E; --muted:#566865;
  --line:#D3DCD9; --primary:#0F6E66; --on-primary:#FFFFFF; --hl:#F2C94C; --hl-ink:#3A2E00; --danger:#B4232F; --love:#D23F57; --ok:#1F7A3E;
  --shadow:0 1px 2px rgba(15,40,36,.08),0 6px 20px rgba(15,40,36,.06);
  /* Gráfico de la biblioteca, orden fijo: leídos, leyendo, quiero leer, no terminados (validado para daltonismo) */
  --c-read:#008A7B; --c-reading:#C98F0E; --c-want:#3D6FB6; --c-dnf:#C2506A;
  --font-display:"Bricolage Grotesque",ui-sans-serif,system-ui,sans-serif;
  --font-body:"Atkinson Hyperlegible",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  color-scheme:light;
}
/* Tema: «Automático» sigue al móvil; «Claro» u «Oscuro» los fija el lector (data-theme en <html>) */
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0E1413; --surface:#172020; --surface-2:#202B2A; --fg:#E6EEEC; --muted:#94A6A2;
  --line:#2A3735; --primary:#5CC7BA; --on-primary:#062521; --hl:#E8C14A; --hl-ink:#2A2100; --danger:#F07178; --love:#FF7A8E; --ok:#6FD39A;
  --c-read:#2FA295; --c-reading:#AD8619; --c-want:#6A93D6; --c-dnf:#CF6880;
  --shadow:0 1px 2px rgba(0,0,0,.4); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0E1413; --surface:#172020; --surface-2:#202B2A; --fg:#E6EEEC; --muted:#94A6A2;
  --line:#2A3735; --primary:#5CC7BA; --on-primary:#062521; --hl:#E8C14A; --hl-ink:#2A2100; --danger:#F07178; --love:#FF7A8E; --ok:#6FD39A;
  --c-read:#2FA295; --c-reading:#AD8619; --c-want:#6A93D6; --c-dnf:#CF6880;
  --shadow:0 1px 2px rgba(0,0,0,.4); color-scheme:dark}

*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font-body);font-size:16px;line-height:1.5;-webkit-tap-highlight-color:transparent;
  padding-top:env(safe-area-inset-top,0px)}
img{max-width:100%}
[hidden]{display:none!important}
h1,h2,h3{font-family:var(--font-display);text-wrap:balance;margin:0;line-height:1.15}
h1{font-size:clamp(1.75rem,6vw,2.25rem);font-weight:800;letter-spacing:-.02em}
h2{font-size:1.3rem;font-weight:700}
h3{font-size:1.05rem;font-weight:700}
p{margin:0}
a{color:var(--primary)}
button,input,label.btn{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--hl);outline-offset:2px;border-radius:6px}
.muted{color:var(--muted)}
.small{font-size:.875rem}
.m0{margin:0}
.eyebrow{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700}
.num{font-variant-numeric:tabular-nums}
.stack-8,.stack-10,.stack-12,.stack-16,.stack-24{display:flex;flex-direction:column;min-width:0}
.stack-8{gap:8px}.stack-10{gap:10px}.stack-12{gap:12px}.stack-16{gap:16px}.stack-24{gap:24px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border-radius:999px;border:0;background:var(--primary);color:var(--on-primary);font-weight:700;text-align:center;cursor:pointer;text-decoration:none}
.btn.ghost{background:var(--surface-2);color:var(--fg)}
.btn.wide{width:100%}
.btn.danger{background:transparent;color:var(--danger);border:1px solid var(--line)}
.btn.link{background:none;color:var(--fg);text-decoration:underline}
.btn.link.inline{display:inline;min-height:0;padding:0;font-size:inherit;text-align:left;color:var(--primary)}
.btn:active{transform:scale(.98)}
.btn[disabled]{opacity:.6;cursor:wait}

.field{display:flex;flex-direction:column;gap:6px}
.field label{font-weight:700;font-size:.92rem}
.field input,.name-edit input{height:48px;border-radius:14px;border:1px solid var(--line);background:var(--surface);padding:0 14px;font-size:1rem;width:100%}
.field input:focus,.name-edit input:focus{outline:3px solid color-mix(in srgb,var(--primary) 40%,transparent);border-color:var(--primary)}
.name-edit{display:flex;gap:8px}

/* Estructura */
.app{min-height:100%}
.rail{position:fixed;left:0;right:0;bottom:0;z-index:20;background:var(--surface);border-top:1px solid var(--line);
  padding:6px max(4px,env(safe-area-inset-right,0px)) calc(6px + env(safe-area-inset-bottom,0px)) max(4px,env(safe-area-inset-left,0px))}
.rail .brand,.rail .rail-foot{display:none}
.nav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:2px}
.nav button{display:flex;flex-direction:column;align-items:center;gap:2px;border:0;background:none;padding:6px 0;border-radius:14px;color:var(--muted);font-size:.72rem;font-weight:700;position:relative}
.nav svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.nav button[aria-current="page"]{color:var(--primary)}
.nav button[aria-current="page"] .ico{background:color-mix(in srgb,var(--primary) 16%,transparent)}
.nav .ico{display:grid;place-items:center;width:52px;height:30px;border-radius:999px}
.dot{position:absolute;top:6px;left:calc(50% + 10px);width:9px;height:9px;border-radius:50%;background:var(--love);border:2px solid var(--surface)}

main{max-width:1120px;margin:0 auto;padding-block:12px 112px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:48px;margin-bottom:8px}
.logo{font-family:var(--font-display);font-weight:800;font-size:1.15rem;display:flex;align-items:center;gap:8px}
.logo i,.wordmark i{display:inline-block;width:12px;height:20px;background:var(--hl);clip-path:polygon(0 0,100% 0,100% 100%,50% 75%,0 100%)}
/* «app» en el color de la marca, para que el nombre Marcapaginapp se lea de un vistazo */
.logo em,.wordmark em{font-style:normal;color:var(--primary)}
.wordmark{font-family:var(--font-display);font-weight:800;font-size:1.5rem;letter-spacing:-.01em;display:flex;align-items:center;gap:10px;margin:0}
.wordmark i{width:16px;height:26px}
.top-right{display:flex;align-items:center;gap:8px;margin-left:auto;min-width:0}
.chip{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;background:var(--surface-2);color:var(--muted);font-size:.78rem;font-weight:700;white-space:nowrap}
.avatar-btn{border:0;padding:0;background:none;border-radius:50%;flex:none}
.av{width:40px;height:40px;border-radius:50%;flex:none;display:grid;place-items:center;color:#fff;font-family:var(--font-display);font-weight:800;font-size:1rem;background:var(--avc,#5B6E6A)}
.av.lg{width:64px;height:64px;font-size:1.5rem}
img.av{object-fit:cover}
.avatar-btn .av{display:block}
.res.person{grid-template-columns:40px minmax(0,1fr) auto}
.res.person .row{margin-top:0;flex-wrap:nowrap}
.nick-form{align-items:center}
.nick-form .at{font-weight:700;color:var(--muted)}
#nick-cta .btn.link{min-height:auto;padding:0}
@media (max-width:420px){.res.person{grid-template-columns:40px minmax(0,1fr)}.res.person>.btn,.res.person>.row,.res.person>.status-chip{grid-column:1/-1;justify-self:start}}
.view{display:flex;flex-direction:column;gap:24px}
.v-head{display:flex;flex-direction:column;gap:4px}
section h2{margin-bottom:12px}

/* Portadas: real de Open Library si existe; si no, generada */
.cover{container-type:inline-size;aspect-ratio:2/3;max-width:100%;background:var(--cv);color:var(--cf);border-radius:3px 7px 7px 3px;
  padding:9% 9% 8% 14%;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;position:relative;
  box-shadow:inset 5px 0 0 rgba(0,0,0,.18),inset 6px 0 0 rgba(255,255,255,.12),0 1px 2px rgba(0,0,0,.18),0 4px 10px rgba(0,0,0,.08)}
.cover::after{content:"";position:absolute;left:14%;right:9%;top:62%;height:2px;background:currentColor;opacity:.35}
.cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}
.cv-t{font-family:var(--font-display);font-weight:800;font-size:clamp(5px,13cqw,26px);line-height:1.05;overflow-wrap:anywhere;hyphens:auto}
.cv-a{font-size:clamp(4px,8cqw,13px);line-height:1.15;opacity:.85}

/* Tu biblioteca de un vistazo (quesito) */
.dash{display:grid;grid-template-columns:112px minmax(0,1fr);gap:14px;align-items:center}
.dash h2{grid-column:1/-1;margin:0;font-size:1.1rem}
.donut{position:relative;width:112px;height:112px}
@media (min-width:768px){.dash{grid-template-columns:150px minmax(0,1fr);gap:24px;max-width:560px}.donut{width:150px;height:150px}}
.donut svg{width:100%;height:100%;transform:rotate(-90deg);overflow:visible}
.donut circle{fill:none;stroke-width:18;transition:stroke-width .15s}
.donut circle.seg{cursor:pointer}
.donut circle.seg:hover,.donut circle.seg.on{stroke-width:22}
.donut .mid{position:absolute;inset:0;display:grid;place-content:center;text-align:center;pointer-events:none}
.donut .mid b{font-family:var(--font-display);font-size:1.6rem;line-height:1;font-variant-numeric:tabular-nums}
.donut .mid span{font-size:.75rem;color:var(--muted)}
.legend{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px;min-width:0}
.legend button{display:grid;grid-template-columns:12px minmax(0,1fr) auto auto;gap:6px;align-items:center;width:100%;border:0;background:none;padding:6px 6px;border-radius:10px;text-align:left;font-size:.88rem}
.legend button span:nth-child(2){white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.legend button:hover,.legend button.on{background:var(--surface-2)}
.legend i{width:12px;height:12px;border-radius:4px}
.legend .n{font-weight:700;font-variant-numeric:tabular-nums}
.legend .p{color:var(--muted);font-variant-numeric:tabular-nums;min-width:3.6ch;text-align:right;font-size:.85rem}
@media (max-width:360px){.dash{grid-template-columns:1fr;justify-items:center}.legend{width:100%}}

/* Leyendo */
.split{display:grid;gap:24px}
.goal{display:flex;align-items:center;gap:16px;background:var(--surface);border-radius:20px;padding:16px;box-shadow:var(--shadow)}
.ring{width:84px;height:84px;flex:none;position:relative}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring .trk{stroke:var(--surface-2)} .ring .val{stroke:var(--primary);transition:stroke-dashoffset .6s ease}
.ring b{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--font-display);font-size:1.4rem}
.goal-txt{display:flex;flex-direction:column;gap:2px;min-width:0}
.streak{display:inline-flex;align-items:center;gap:6px;margin-top:6px;font-weight:700;font-size:.9rem}
.streak mark{background:var(--hl);color:var(--hl-ink);border-radius:6px;padding:0 6px}
.rlist{display:flex;flex-direction:column;gap:12px}
.rcard{display:grid;grid-template-columns:76px minmax(0,1fr);gap:16px;background:var(--surface);border-radius:20px;padding:14px;box-shadow:var(--shadow)}
.rcard-cover{border:0;background:none;padding:0}
.rcard-body{display:flex;flex-direction:column;gap:6px;min-width:0}
.bar{height:8px;border-radius:99px;background:var(--surface-2);overflow:hidden;margin-top:4px}
.bar span{display:block;height:100%;background:var(--primary);border-radius:99px;transition:width .4s ease}
.row{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.row .btn{min-height:40px;padding:0 14px;font-size:.92rem}
.shelf-scroll{display:flex;gap:12px;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory}
.shelf-scroll button{flex:none;width:96px;border:0;background:none;padding:0;text-align:left;scroll-snap-align:start;display:flex;flex-direction:column;gap:6px}
.shelf-scroll small{font-size:.8rem;line-height:1.25;color:var(--muted)}
.empty{background:var(--surface);border:1px dashed var(--line);border-radius:20px;padding:20px;color:var(--muted);list-style:none}

.seg{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:4px;background:var(--surface-2);padding:4px;border-radius:999px}
.seg button{border:0;background:none;min-height:40px;border-radius:999px;font-weight:700;font-size:.92rem;color:var(--muted);white-space:nowrap;padding:0 8px}
.seg button[aria-pressed="true"]{background:var(--surface);color:var(--fg);box-shadow:var(--shadow)}
.seg .n{font-variant-numeric:tabular-nums;opacity:.7;margin-left:4px}
.seg.shelves{grid-auto-columns:max-content;overflow-x:auto;scrollbar-width:none}
.seg.shelves::-webkit-scrollbar{display:none}
.seg.shelves button{padding:0 14px}
.seg.two{grid-auto-flow:row;grid-template-columns:1fr 1fr;border-radius:20px}
.seg.two button{border-radius:16px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:-8px}
.chips:empty{display:none}
.chips button{border:1px solid var(--line);background:none;border-radius:999px;min-height:34px;padding:0 12px;font-size:.85rem;font-weight:700;color:var(--muted)}
.chips button[aria-pressed="true"]{background:var(--fg);border-color:var(--fg);color:var(--bg)}
.chips .toggle{border-style:dashed;margin-left:auto}
.chips .toggle[aria-pressed="true"]{border-style:solid;background:var(--hl);border-color:var(--hl);color:var(--hl-ink)}
textarea:disabled,.btn:disabled{opacity:.5;cursor:not-allowed}
.fmt{margin-left:6px;padding:0 6px;border-radius:6px;background:var(--surface-2);font-size:.72rem;font-weight:700;color:var(--muted)}

/* Biblioteca */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:20px 14px}
.tile{border:0;background:none;padding:0;text-align:left;display:flex;flex-direction:column;gap:6px;min-width:0}
.tile-t{font-weight:700;font-size:.88rem;line-height:1.25;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tile-s{font-size:.8rem;color:var(--muted)}
.stars-s{color:color-mix(in srgb,var(--hl) 80%,var(--fg));letter-spacing:1px}

/* Amigos */
.people{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.pcard{display:flex;gap:12px;align-items:flex-start;text-align:left;border:0;background:var(--surface);border-radius:20px;padding:14px;box-shadow:var(--shadow);min-width:0}
.p-body{display:flex;flex-direction:column;gap:2px;min-width:0}
.p-book{font-size:.9rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.p-book i{font-style:normal;font-weight:700}
.feed{display:flex;flex-direction:column;gap:12px;max-width:680px}
.fcard{display:grid;grid-template-columns:40px minmax(0,1fr) 46px;gap:12px;background:var(--surface);border-radius:20px;padding:14px;box-shadow:var(--shadow)}
.f-main{display:flex;flex-direction:column;gap:2px;min-width:0}
.f-main i{font-style:normal;font-weight:700}
.f-act{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.f-act button{border:0;background:var(--surface-2);border-radius:999px;min-height:34px;padding:0 12px;font-size:.85rem;font-weight:700}
.f-act .like.on{color:var(--love)}
.cmts{list-style:none;margin:8px 0 0;padding:8px 0 0;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:4px;font-size:.92rem}
.cform{display:flex;gap:8px;margin-top:8px}
.cform input{flex:1;min-width:0;height:40px;border-radius:999px;border:1px solid var(--line);background:var(--bg);padding:0 14px}
.cform .btn{min-height:40px}

/* Buscar */
.search{position:relative}
.search svg{position:absolute;left:16px;top:50%;width:20px;height:20px;transform:translateY(-50%);fill:none;stroke:var(--muted);stroke-width:2;stroke-linecap:round}
.search input{width:100%;height:52px;border-radius:16px;border:1px solid var(--line);background:var(--surface);padding:0 16px 0 46px;font-size:1rem}
.search input:focus{outline:3px solid color-mix(in srgb,var(--primary) 40%,transparent);border-color:var(--primary)}
#results{display:flex;flex-direction:column;gap:24px}
#results h2{font-size:1.1rem}
.res-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.res{display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:12px;align-items:center;background:var(--surface);border-radius:16px;padding:10px 12px}
.sheet .res{background:var(--bg)}
.res-body{display:flex;flex-direction:column;min-width:0}
.res-body b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.res-body span{font-size:.85rem;color:var(--muted)}
.res .btn{min-height:38px;padding:0 14px;font-size:.9rem}
.status-chip{border:0;height:32px;display:inline-flex;align-items:center;padding:0 12px;border-radius:999px;background:var(--surface-2);font-size:.82rem;font-weight:700;color:var(--fg);white-space:nowrap}
.hint{font-size:.85rem;color:var(--muted)}
.scan-btn{align-self:flex-start}
.scan-btn svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.scan-view{width:100%;border-radius:16px;overflow:hidden;background:#000}
.scan-view:empty{display:none}
.scan-view video{width:100%!important;height:auto!important;display:block}
.cover-pick{display:grid;grid-template-columns:repeat(auto-fill,minmax(76px,1fr));gap:12px}
.cover-pick button{border:0;background:none;padding:0;display:flex;flex-direction:column;gap:4px;text-align:center}
.cover-pick small{font-size:.72rem;color:var(--muted)}
.cover-pick button:hover .cover,.cover-pick button:focus-visible .cover{outline:3px solid var(--primary);outline-offset:2px}
.scan-hit{display:grid;grid-template-columns:72px minmax(0,1fr);gap:14px;align-items:start}

/* Progreso */
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.stat{background:var(--surface);border-radius:18px;padding:14px;display:flex;flex-direction:column;gap:2px;min-width:0}
.stat b{font-family:var(--font-display);font-size:clamp(1.4rem,6vw,2rem);font-weight:800;font-variant-numeric:tabular-nums;line-height:1.1}
.stat span{font-size:.8rem;color:var(--muted)}
.card{background:var(--surface);border-radius:20px;padding:16px;box-shadow:var(--shadow)}
.chart{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:6px;align-items:end;margin-top:8px}
.col{display:flex;flex-direction:column;align-items:center;gap:4px}
.col .v{font-size:.78rem;font-weight:700;font-variant-numeric:tabular-nums;min-height:1.2em}
.col .b{width:100%;max-width:28px;border-radius:6px 6px 2px 2px;background:var(--primary)}
.col .b.zero{background:var(--surface-2)}
.col.future .b{background:transparent;border:1px dashed var(--line)}
.col .m{font-size:.75rem;color:var(--muted);text-transform:uppercase}
.col.now .m{color:var(--fg);font-weight:700}
.goal-edit{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.stepper{display:flex;align-items:center;gap:6px}
.stepper button{width:40px;height:40px;border-radius:50%;border:0;background:var(--surface-2);font-size:1.3rem;font-weight:700}
.stepper b{min-width:3ch;text-align:center;font-family:var(--font-display);font-size:1.4rem;font-variant-numeric:tabular-nums}

/* Hoja */
.sheet-wrap{position:fixed;inset:0;z-index:56;display:flex;align-items:flex-end;justify-content:center;background:rgba(6,14,12,.45)}
.sheet{width:100%;max-height:88vh;overflow-y:auto;background:var(--surface);border-radius:24px 24px 0 0;
  padding:12px max(20px,env(safe-area-inset-right,0px)) calc(24px + env(safe-area-inset-bottom,0px)) max(20px,env(safe-area-inset-left,0px));
  display:flex;flex-direction:column;gap:18px;animation:up .25s ease}
.grab{width:40px;height:5px;border-radius:9px;background:var(--line);margin:0 auto}
.sh-top{display:grid;grid-template-columns:96px minmax(0,1fr) auto;gap:16px;align-items:start}
.sh-top h2{font-size:1.35rem}
.sh-person{display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:14px;align-items:center}
.x{width:36px;height:36px;border-radius:50%;border:0;background:var(--surface-2);font-size:1.2rem;line-height:1}
.prog{display:flex;flex-direction:column;gap:10px}
.prog label{font-weight:700}
.page-input{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.page-input input{width:6.5ch;height:52px;border-radius:14px;border:1px solid var(--line);background:var(--bg);text-align:center;font-family:var(--font-display);font-size:1.4rem;font-weight:700;font-variant-numeric:tabular-nums;-moz-appearance:textfield}
.page-input input::-webkit-outer-spin-button,.page-input input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.page-input input:focus{outline:3px solid color-mix(in srgb,var(--primary) 40%,transparent);border-color:var(--primary)}
.page-input .step{width:44px;height:44px;border-radius:50%;border:0;background:var(--surface-2);font-size:1.4rem;font-weight:700}
.page-input>span{margin-left:4px}
.page-input input.total{width:5ch;height:44px;font-size:1.1rem}
.stars{display:flex;gap:4px}
.stars button{border:0;background:none;font-size:2.1rem;line-height:1;padding:2px;color:var(--line)}
.stars button.on{color:var(--hl)}
.sheet h3{margin-bottom:8px}
.review h3,.sheet .stack-10>h3{margin-bottom:0}
textarea{font:inherit;color:inherit;width:100%;min-height:96px;resize:vertical;border-radius:14px;border:1px solid var(--line);background:var(--bg);padding:12px 14px;line-height:1.45}
textarea:focus{outline:3px solid color-mix(in srgb,var(--primary) 40%,transparent);border-color:var(--primary)}
.rv-text{white-space:pre-line;overflow-wrap:anywhere;font-size:.95rem;line-height:1.5;border-left:3px solid var(--hl);padding-left:10px;margin-top:4px;display:-webkit-box;-webkit-line-clamp:8;-webkit-box-orient:vertical;overflow:hidden}
.rv-snip{font-size:.85rem;color:var(--muted);font-style:italic;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;white-space:normal}
.ops{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.ops li{display:grid;grid-template-columns:40px minmax(0,1fr);gap:12px}
@keyframes up{from{transform:translateY(24px)}to{transform:none}}

.toast{position:fixed;left:50%;bottom:calc(92px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);z-index:60;
  background:var(--fg);color:var(--bg);padding:12px 18px;border-radius:14px;font-weight:700;font-size:.92rem;max-width:calc(100% - 32px);box-shadow:var(--shadow)}

/* Acceso, bienvenida y carga */
.login{position:fixed;inset:0;z-index:50;background:var(--bg);overflow-y:auto;display:flex;flex-direction:column;
  padding-block:calc(24px + env(safe-area-inset-top,0px)) calc(24px + env(safe-area-inset-bottom,0px));
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.login-in{width:100%;max-width:420px;margin:auto;display:flex;flex-direction:column;gap:18px}
.spines{display:flex;align-items:flex-end;gap:3px;height:110px;border-bottom:6px solid var(--fg);padding:0 8px}
.spines div{flex:1;border-radius:3px 3px 0 0;box-shadow:inset 0 10px 0 rgba(255,255,255,.14),inset 0 -14px 0 rgba(0,0,0,.12);animation:grow .6s cubic-bezier(.2,.8,.2,1) both}
.spines div.lean{transform:rotate(-8deg);transform-origin:bottom right}
@keyframes grow{from{transform:scaleY(.2)}}
.login h1{font-size:clamp(2.2rem,10vw,3rem)}
.login h1 em{font-style:normal;background:linear-gradient(transparent 58%,var(--hl) 58%,var(--hl) 92%,transparent 92%);padding:0 2px}
.login .lead{font-size:1.1rem;color:var(--muted)}
.note{font-size:.88rem;color:var(--muted);background:var(--surface);border-radius:14px;padding:12px 14px}
.err{color:var(--danger);font-weight:700;font-size:.9rem}
.ok{color:var(--ok);font-weight:700;font-size:.9rem}
.loading{position:fixed;inset:0;z-index:55;background:var(--bg);display:grid;place-items:center;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.loading-in{display:flex;flex-direction:column;gap:14px;align-items:center;text-align:center;max-width:360px}
.pulse{width:14px;height:24px;background:var(--hl);clip-path:polygon(0 0,100% 0,100% 100%,50% 75%,0 100%);animation:bob 1s ease-in-out infinite alternate}
@keyframes bob{to{transform:translateY(-8px)}}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

@media (min-width:768px){
  .app{display:grid;grid-template-columns:232px minmax(0,1fr)}
  .rail{position:sticky;top:0;bottom:auto;height:100vh;height:100dvh;border-top:0;border-right:1px solid var(--line);
    padding:24px 16px;display:flex;flex-direction:column;gap:28px}
  .rail .brand{display:flex;padding:0 8px}
  .rail .rail-foot{display:block;margin-top:auto;font-size:.82rem;color:var(--muted);padding:0 8px}
  .nav{grid-template-columns:1fr;gap:4px}
  .nav button{flex-direction:row;gap:12px;padding:6px 8px;font-size:1rem}
  .nav .ico{width:44px;height:36px}
  .dot{top:8px;left:36px}
  .nav button[aria-current="page"]{background:color-mix(in srgb,var(--primary) 12%,transparent);color:var(--fg)}
  .nav button[aria-current="page"] .ico{background:none;color:var(--primary)}
  .topbar .logo{visibility:hidden}
  main{padding-block:24px 48px;padding-left:32px;padding-right:32px}
  .grid{grid-template-columns:repeat(auto-fill,minmax(124px,1fr));gap:24px 18px}
  .sheet-wrap{align-items:center;padding:24px}
  .sheet{max-width:560px;border-radius:24px;padding:24px}
  .grab{display:none}
  .toast{bottom:28px}
  .rcard{grid-template-columns:92px minmax(0,1fr)}
}
@media (min-width:1080px){
  .split{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);align-items:start}
  .split.stats-split{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
}
/* Accesibilidad: zonas de toque de al menos 44 px en lo que se pulsa a menudo */
.x{width:44px;height:44px}
.stars button{min-width:44px;min-height:44px}
.f-act button{min-height:40px}
.chips button{min-height:40px}
.legend button{min-height:40px}
.nav button{font-size:.75rem}

/* Avisos */
.bell{position:relative;width:44px;height:44px;border:0;border-radius:50%;background:var(--surface-2);display:grid;place-items:center;color:var(--fg)}
.bell svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linejoin:round;stroke-linecap:round}
.bell-n{position:absolute;top:2px;right:0;min-width:18px;height:18px;padding:0 4px;border-radius:999px;background:var(--love);color:#fff;font-size:.7rem;font-weight:700;display:grid;place-items:center;border:2px solid var(--bg)}
.notifs{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.notifs li{display:grid;grid-template-columns:40px minmax(0,1fr);gap:12px;padding:12px 8px;border-bottom:1px solid var(--line);border-radius:12px}
.notifs li.new{background:color-mix(in srgb,var(--hl) 14%,transparent)}
.notifs .row{margin-top:4px}

/* Tu año lector */
.year-btn{align-self:flex-start;background:var(--hl);color:var(--hl-ink)}
.year-hero{background:var(--primary);color:var(--on-primary);border-radius:20px;padding:20px;display:flex;flex-direction:column;gap:2px}
.year-hero b{font-family:var(--font-display);font-size:3.2rem;line-height:1;font-weight:800}
.year-hero span{font-weight:700}
.year-hero p{opacity:.9;font-size:.92rem;margin-top:6px}
.yfacts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.yfact{background:var(--bg);border-radius:16px;padding:12px;display:flex;flex-direction:column;gap:2px;min-width:0}
.yfact b{font-family:var(--font-display);font-size:1.25rem;line-height:1.15;overflow-wrap:anywhere}
.yfact span{font-size:.8rem;color:var(--muted)}

/* Tus datos y borrar la cuenta */
.danger-zone{border:1px solid color-mix(in srgb,var(--danger) 40%,var(--line));border-radius:16px;padding:14px}

/* Ayuda */
.help details{border-bottom:1px solid var(--line);padding-block:4px}
.help summary{cursor:pointer;font-weight:700;min-height:44px;display:flex;align-items:center;gap:8px;list-style:none}
.help summary::-webkit-details-marker{display:none}
.help summary::before{content:"›";display:inline-block;width:1ch;transition:transform .15s;font-size:1.3rem;color:var(--primary)}
.help details[open] summary::before{transform:rotate(90deg)}
.help ol,.help ul{margin:0 0 12px;padding-left:1.4em;display:flex;flex-direction:column;gap:8px}
.help li{line-height:1.45}
.help .tip{font-size:.9rem;color:var(--muted);margin-bottom:12px}
.help kbd{font-family:inherit;font-weight:700;background:var(--surface-2);border-radius:6px;padding:0 6px;white-space:nowrap}
.help a{word-break:break-all}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}