:root{
  --bg:#f6f3ec; --bg2:#fffdf9; --panel:#fffdf9; --panel2:#efe9db; --line:#ddd4bf;
  --ink:#231f19; --ink-dim:#5c5646; --ink-faint:#8d8570;
  --accent:#7c2d2d; --accent-dim:#a5514a;
  --vessel:#c3b89e;
  --radius:3px;
  /* shell (app chrome): distinto del accent de contenido por tema */
  --shell:#2f6f5e; --shell-dim:#3f8873; --shell-soft:#e4efe9;
  --nav-h:60px;
  --chrome-bg:rgba(246,243,236,.96); --chrome-bg-soft:rgba(246,243,236,.94);
  /* --accent/--modal-accent los fija JS por tema (color por defecto en modo claro);
     -fg es lo que consumen los estilos, para poder aclararlos en modo oscuro sin tocar JS. */
  --accent-fg:var(--accent);
  --modal-accent-fg:var(--modal-accent,var(--accent));
}

/* ---------------- Modo oscuro ---------------- */
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#1b1915; --bg2:#221f1a; --panel:#242019; --panel2:#2e2a22; --line:#3d382d;
    --ink:#ece6d8; --ink-dim:#b7ae9a; --ink-faint:#8a8171;
    --shell:#4fae93; --shell-dim:#67c1a7; --shell-soft:#1f342c;
    --vessel:#5a5344;
    --chrome-bg:rgba(27,25,21,.92); --chrome-bg-soft:rgba(27,25,21,.9);
    --accent-fg:color-mix(in srgb, var(--accent) 65%, white 35%);
    --modal-accent-fg:color-mix(in srgb, var(--modal-accent,var(--accent)) 65%, white 35%);
  }
}
:root[data-theme="dark"]{
  --bg:#1b1915; --bg2:#221f1a; --panel:#242019; --panel2:#2e2a22; --line:#3d382d;
  --ink:#ece6d8; --ink-dim:#b7ae9a; --ink-faint:#8a8171;
  --shell:#4fae93; --shell-dim:#67c1a7; --shell-soft:#1f342c;
  --vessel:#5a5344;
  --chrome-bg:rgba(27,25,21,.92); --chrome-bg-soft:rgba(27,25,21,.9);
  --accent-fg:color-mix(in srgb, var(--accent) 65%, white 35%);
  --modal-accent-fg:color-mix(in srgb, var(--modal-accent,var(--accent)) 65%, white 35%);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0; background:var(--bg);
  color:var(--ink); font-family:'Source Sans 3',sans-serif; line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
/* Los controles de formulario no heredan tipografía por defecto en los navegadores (usan la
   fuente del sistema, p. ej. Arial) — sin esto, botones, checkboxes y selects se ven distintos
   al resto del texto de la app. */
button, input, select, textarea{font-family:inherit;}
.mono{font-family:'IBM Plex Mono',monospace;}
h1,h2,h3,.display{font-family:'Newsreader',serif; font-weight:600;}
::selection{background:var(--accent-fg); color:#fff;}

.cite{font-size:.7em; margin-left:1px; font-family:'Source Sans 3',sans-serif;}
.cite a{color:var(--accent-fg); text-decoration:none; font-weight:600; cursor:pointer; border-bottom:1px solid var(--accent-dim); font-family:inherit;}
.cite a:hover{color:var(--accent-dim);}

/* ---------- HERO ---------- */
.hero{
  padding:64px 24px 36px; display:flex; flex-direction:column; align-items:center; text-align:center;
  position:relative; border-bottom:1px solid var(--line);
}
.hero h1{
  font-size:clamp(2.4rem,5.4vw,3.6rem); font-weight:600; margin:0; letter-spacing:-.01em; color:var(--ink); width:100%;
  font-style:normal;
}
.hero h1::after{content:""; display:block; width:56px; height:2px; background:var(--accent-fg); margin:18px auto 0;}

/* ---------- HUB DIAGRAM ---------- */
.hub-wrap{width:100%; max-width:920px; margin:36px auto 0; padding:0 16px;}
.author{font-family:'Newsreader',serif; font-style:italic; font-size:15px; color:var(--ink-faint); margin-top:14px;}

/* ---------- HIERARCHY TREE ---------- */
.tree-scroll{overflow-x:auto; padding:40px 16px 20px; width:100%;}
.tree{display:flex; justify-content:center; list-style:none; margin:0; padding:0; min-width:max-content;}
.tree, .tree ul{list-style:none; margin:0; padding:0;}
.tree ul{display:flex; padding-top:34px; position:relative;}
.tree li{list-style:none; text-align:center; position:relative; padding:0 14px;}
.tree > li > ul > li{padding:0 5px; position:relative;}
.tree > li > ul > li:has(> ul){margin-bottom:145px;}
.tree > li > ul > li > ul{
  position:absolute; top:100%; left:50%; transform:translateX(-50%);
}
.tree ul li{padding-top:0;}
.tree > li > ul{padding-top:34px;}
.tree li ul li::before{
  content:""; position:absolute; top:-34px; left:50%; width:1px; height:34px; background:var(--vessel);
}
.tree li ul::before{
  content:""; position:absolute; top:0; left:0; right:0; height:1px; background:var(--vessel);
}
.tree li ul li:first-child::after{
  content:""; position:absolute; top:-34px; right:50%; width:50%; height:1px; background:var(--bg);
}
.tree li ul li:last-child::after{
  content:""; position:absolute; top:-34px; left:50%; width:50%; height:1px; background:var(--bg);
}
.tree li ul:has(li:only-child)::before{ display:none; }
.tree-node{
  display:inline-flex; flex-direction:column; align-items:center; gap:3px; min-width:140px; max-width:190px;
  background:var(--panel); border:1px solid var(--line); border-top:2px solid var(--nc,var(--accent-fg));
  border-radius:var(--radius); padding:12px 14px; cursor:pointer; text-decoration:none; transition:border-color .18s, box-shadow .18s;
}
.tree-node:hover{border-color:var(--nc,var(--accent-fg)); box-shadow:0 2px 6px rgba(35,31,25,.08);}
.tree-node .tn-title{font-family:'Source Sans 3',sans-serif; font-weight:600; font-size:13px; color:var(--ink); letter-spacing:.01em;}
.tree-node .tn-sub{font-size:11px; color:var(--ink-faint); line-height:1.4;}
.tree-node.root{min-width:170px; border-top-color:var(--accent-fg);}
.tree-node.root .tn-title{font-family:'Newsreader',serif; font-weight:600; font-size:16px;}
.tree-stem{width:1px; height:20px; background:var(--vessel); margin:0 auto;}
@media (max-width:640px){
  .tree-scroll{padding:26px 8px 12px;}
  .tree ul{padding-top:22px;}
  .tree > li > ul{padding-top:22px;}
  .tree li{padding:0 6px;}
  .tree > li > ul > li{padding:0 3px;}
  .tree > li > ul > li:has(> ul){margin-bottom:190px;}
  .tree li ul li::before{height:22px; top:-22px;}
  .tree li ul li:first-child::after, .tree li ul li:last-child::after{top:-22px;}
  .tree-node{min-width:92px; max-width:112px; padding:8px 7px; gap:2px;}
  .tree-node.root{min-width:112px;}
  .tree-node .tn-title{font-size:10.5px;}
  .tree-node.root .tn-title{font-size:14px;}
  .tree-node .tn-sub{font-size:8.5px; line-height:1.3;}
  .tree-stem{height:12px;}
}
.hub-svg{width:100%; height:auto; display:block;}
.hub-node{cursor:pointer;}
.hub-node text{font-family:'Source Sans 3',sans-serif; font-weight:600; fill:var(--bg); pointer-events:none;}
.hub-node .lbl{font-size:12.5px;}
.hub-center text{fill:#fff; font-family:'Newsreader',serif; font-weight:700;}
.hub-vessel{fill:none; stroke:var(--vessel); stroke-width:1.6; opacity:.7; transition:stroke .3s,opacity .3s;}
.hub-node:hover .hub-vessel-related{opacity:1;}
.hub-node circle.node-bg{transition:transform .25s ease, filter .25s ease;}
.hub-node:hover circle.node-bg{transform:scale(1.06);}

/* ---------- NAV PILLS ---------- */
.pillbar{
  position:sticky; top:0; z-index:40; display:flex; gap:22px; flex-wrap:wrap; justify-content:center;
  padding:16px 16px; background:var(--chrome-bg-soft); border-bottom:1px solid var(--line);
}
.pill{
  font-family:'Source Sans 3',sans-serif; font-size:13.5px; letter-spacing:.01em;
  color:var(--ink-dim); border:none; border-bottom:2px solid transparent; padding:4px 2px; text-decoration:none;
  transition:all .15s; white-space:nowrap; background:transparent; cursor:pointer; -webkit-appearance:none; appearance:none;
}
.pill:hover{color:var(--ink);}
.pill.active{color:var(--accent-fg); border-bottom-color:var(--accent-fg); font-weight:600;}

/* ---------- SEARCH ---------- */
.searchbar-wrap{display:flex; justify-content:center; padding:14px 16px; border-bottom:1px solid var(--line); background:var(--bg);}
.searchbar{position:relative; width:100%; max-width:520px;}
.searchbar input{
  width:100%; background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:10px 14px;
  font-family:'Source Sans 3',sans-serif; font-size:14px; color:var(--ink);
}
.searchbar input:focus{outline:none; border-color:var(--accent-fg);}
.searchbar input::placeholder{color:var(--ink-faint);}
.search-results{
  display:none; position:absolute; top:calc(100% + 6px); left:0; right:0; background:var(--bg2); border:1px solid var(--line);
  border-radius:var(--radius); box-shadow:0 8px 24px rgba(35,31,25,.12); max-height:340px; overflow-y:auto; z-index:60;
}
.search-results.active{display:block;}
.search-item{display:flex; align-items:center; justify-content:space-between; gap:10px; padding:10px 14px; cursor:pointer; border-bottom:1px solid var(--line);}
.search-item:last-child{border-bottom:none;}
.search-item:hover{background:var(--panel2);}
.search-item-label{font-size:13.5px; color:var(--ink); flex:1; min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;}
.search-item-type{font-size:10.5px; text-transform:uppercase; letter-spacing:.03em; color:var(--ink-faint); flex:none; max-width:42%; text-align:right;}
.search-empty{padding:14px; font-size:13px; color:var(--ink-faint); text-align:center;}

/* ---------- SECTIONS ---------- */
.section{max-width:1040px; margin:0 auto; padding:34px 24px;}
.section-head{display:flex; align-items:baseline; gap:14px; margin-bottom:24px; border-bottom:1px solid var(--ink); padding-bottom:14px;}
.section-num{font-family:'Newsreader',serif; font-style:italic; font-size:16px; color:var(--accent-fg);}
.section-head h2{font-size:clamp(1.5rem,2.8vw,2rem); margin:0; color:var(--ink); font-weight:600;}
.section-intro{color:var(--ink-dim); max-width:760px; margin-bottom:26px;}

.card{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:18px 20px; margin-bottom:12px;
}
.card h3{margin:0 0 7px; font-size:1rem; color:var(--ink); font-weight:600; font-family:'Source Sans 3',sans-serif;}
.card p{margin:0; color:var(--ink-dim); font-size:14.5px;}
.grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:12px;}

.taglist{display:flex; flex-wrap:wrap; gap:8px;}
.rank-item{display:flex; align-items:center; gap:14px; padding:10px 4px; border-bottom:1px solid var(--line); font-size:14.5px;}
.rank-item.rank-clickable{cursor:pointer; transition:background .15s;}
.rank-item.rank-clickable:hover{background:var(--panel2);}
.rank-icon{flex:none; font-size:11px; color:var(--ink-faint); font-family:'Source Sans 3',sans-serif; text-transform:uppercase; letter-spacing:.04em;}
.rank-num{color:var(--accent-fg); font-size:13px; width:24px; flex:none; font-family:'Newsreader',serif; font-style:italic;}
.rank-text{color:var(--ink-dim); flex:1;}
.rank-pct{color:var(--ink); font-size:13px; flex:none; font-weight:600;}
.stigma-illustration{
  display:flex; justify-content:center; align-items:center; background:var(--panel2); border:1px solid var(--line);
  border-radius:var(--radius); padding:26px 16px; margin-bottom:16px;
}
.stigma-photo{display:flex; flex-direction:column; align-items:center; gap:10px;}
.stigma-photo-icon{display:none;}
.stigma-photo-link{
  background:var(--accent-fg); color:#fff; font-weight:600; font-size:13.5px; padding:9px 18px; border-radius:var(--radius);
  text-decoration:none; transition:background .15s;
}
.stigma-photo-link:hover{background:var(--accent-dim);}
.stigma-photo-source{font-family:'Source Sans 3',sans-serif; font-size:11.5px; color:var(--ink-faint); font-style:italic;}
.stigma-embed{display:flex; flex-direction:column; align-items:center; gap:10px; width:100%;}
.stigma-embed img{max-width:100%; max-height:320px; border-radius:var(--radius); border:1px solid var(--line);}
.stigma-photo-link.secondary{background:transparent; border:1px solid var(--line); color:var(--ink-dim); padding:7px 14px;}
.stigma-photo-link.secondary:hover{border-color:var(--accent-fg); color:var(--accent-fg);}
.stigma-noimg{text-align:center; font-size:13px; color:var(--ink-faint); padding:20px 20px;}
.stigma-noimg span{display:block; font-size:12.5px; margin-top:8px; color:var(--ink-dim); max-width:280px;}
.tag{
  background:var(--panel2); border:1px solid var(--line); border-radius:var(--radius); padding:7px 12px; font-size:13.5px; color:var(--ink-dim);
}
.biopsy-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:14px;}
.biopsy-card{background:var(--panel); border:1px solid var(--line); border-left:3px solid var(--line); border-radius:var(--radius); padding:16px 18px;}
.biopsy-card.positive{border-left-color:#3f6b52;}
.biopsy-card.negative{border-left-color:#8c3a34;}
.biopsy-card h3{margin:0 0 10px; font-size:1rem; color:var(--ink); font-weight:600; font-family:'Source Sans 3',sans-serif;}
.biopsy-list{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:9px;}
.biopsy-list li{display:flex; align-items:flex-start; gap:9px; font-size:13.5px; color:var(--ink-dim); line-height:1.45;}
.bio-mark{flex:none; font-size:12px; font-weight:700; color:#3f6b52; margin-top:1px;}
.bio-mark.warn{color:#966b35;}
.bio-mark.stop{color:#8c3a34;}

table{width:100%; border-collapse:collapse; font-size:13.5px;}
th{
  text-align:left; font-family:'Source Sans 3',sans-serif; font-size:11.5px; text-transform:uppercase; letter-spacing:.04em;
  color:var(--ink); border-bottom:2px solid var(--ink); padding:9px 12px; background:transparent; font-weight:600;
}
td{padding:11px 12px; border-bottom:1px solid var(--line); color:var(--ink-dim); vertical-align:top; transition:background .6s;}
tr:hover td{color:var(--ink); background:var(--panel2);}
tr[id]{scroll-margin-top:80px;}
tr.flash td{background:var(--panel2);}
.table-wrap{overflow-x:auto; border:1px solid var(--line); border-radius:var(--radius);}

/* ---------- COMPLICATIONS GRID ---------- */
.comp-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:12px;}
.comp-card{
  border-radius:var(--radius); padding:15px 16px 13px; cursor:pointer; border:1px solid var(--line); background:var(--panel);
  position:relative; overflow:hidden; transition:border-color .18s ease, box-shadow .18s ease;
}
.comp-card::before{content:""; position:absolute; left:0; top:0; bottom:0; width:3px; background:var(--c);}
.comp-card:hover{border-color:var(--c); box-shadow:0 2px 8px rgba(35,31,25,.08);}
.comp-card h4{margin:0 0 6px; font-size:14.5px; color:var(--ink); font-weight:600; padding-left:6px; font-family:'Source Sans 3',sans-serif;}
.comp-card p{margin:0; font-size:12.5px; color:var(--ink-faint); padding-left:6px; display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden;}
.comp-card .open-hint{margin-top:10px; padding-left:6px; font-family:'Source Sans 3',sans-serif; font-size:11px; letter-spacing:.02em; color:var(--c); font-weight:600;}

/* ---------- MODAL ---------- */
.overlay{
  position:fixed; inset:0; background:rgba(35,31,25,.5); z-index:100;
  display:none; align-items:flex-start; justify-content:center; padding:40px 16px; overflow-y:auto;
}
.overlay.active{display:flex;}
.modal{
  background:var(--bg2); border:1px solid var(--line); border-radius:6px; max-width:800px; width:100%;
  padding:32px 32px 38px; position:relative; margin-bottom:40px; box-shadow:0 12px 40px rgba(35,31,25,.18);
}
.modal-close{
  position:absolute; top:18px; right:18px; width:32px; height:32px; border-radius:50%; border:1px solid var(--line);
  background:var(--panel); color:var(--ink); cursor:pointer; font-size:16px; display:flex; align-items:center; justify-content:center;
}
.modal-close:hover{border-color:var(--accent-fg); color:var(--accent-fg);}
.modal-nav{display:flex; align-items:center; justify-content:space-between; gap:10px; margin:0 0 18px; padding-right:44px;}
.modal-nav-btn{
  background:transparent; border:1px solid var(--line); color:var(--ink-dim); font-family:'Source Sans 3',sans-serif;
  font-size:12.5px; padding:6px 12px; border-radius:var(--radius); cursor:pointer; transition:all .18s; white-space:nowrap;
}
.modal-nav-btn:hover{border-color:var(--modal-accent-fg); color:var(--modal-accent-fg);}
.modal-nav-pos{font-size:12px; color:var(--ink-faint); flex:none; font-family:'Newsreader',serif; font-style:italic;}
.modal-tag{display:inline-block; font-family:'Source Sans 3',sans-serif; font-size:11px; letter-spacing:.04em; text-transform:uppercase; padding:0 0 3px; border-bottom:2px solid; margin-bottom:14px; font-weight:600;}
.modal h2{margin:0 0 20px; font-size:1.7rem; color:var(--ink); padding-right:40px; font-weight:600;}
.modal-field{margin-bottom:16px;}
.modal-field .flabel{font-family:'Source Sans 3',sans-serif; font-size:11px; text-transform:uppercase; letter-spacing:.04em; color:var(--modal-accent-fg); margin-bottom:5px; display:block; font-weight:600;}
.modal-field .fbody{color:var(--ink-dim); font-size:14.5px;}
.modal-field ul{margin:6px 0 0; padding-left:18px; color:var(--ink-dim); font-size:14px;}
.modal-grid{display:grid; grid-template-columns:1fr 1fr; gap:16px 26px;}
.modal-divider{border:none; border-top:1px solid var(--line); margin:24px 0;}
.modal-algo{display:flex; flex-direction:column; gap:8px;}
.algo-step{display:flex; gap:10px; align-items:flex-start; font-size:13.5px; color:var(--ink-dim);}
.algo-step .an{flex:none; width:20px; height:20px; border-radius:50%; background:var(--modal-accent-fg); color:#fff; font-family:'Source Sans 3',sans-serif; font-size:11px; font-weight:700; display:flex; align-items:center; justify-content:center;}
.algo-step:not(:last-child){padding-bottom:8px; border-bottom:1px dashed var(--line); margin-bottom:0;}

/* Figuras/diagramas dentro del modal de complicación (recreadas en HTML, no imágenes) */
.modal-figure{background:var(--panel2); border:1px solid var(--line); border-radius:var(--radius); padding:14px 16px 16px;}
.figure-body{margin-top:2px;}
.figure-body table{font-size:12.5px;}
.figure-body th{background:transparent;}
.figure-body img{max-width:100%; height:auto; display:block; margin:0 auto; border-radius:var(--radius); border:1px solid var(--line); background:#fff;}
.figure-org{font-weight:600; color:var(--ink);}
.figure-tag{display:inline-block; padding:2px 8px; border-radius:20px; font-size:11px; font-weight:600; white-space:nowrap;}
.figure-tag.fail{background:#8c3a3420; color:#8c3a34;}
.figure-tag.dys{background:#96703520; color:#8a5a1a;}
.figure-grade-box{margin-top:14px; padding:12px 14px; background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); font-size:12.5px; color:var(--ink-dim); line-height:1.6;}
.figure-grade-box strong{color:var(--ink);}
.figure-source{font-size:11px; color:var(--ink-faint); font-style:italic; margin-top:10px;}

/* Diagrama de flujo/algoritmo (recreado en HTML) */
.algo-flow{display:flex; flex-direction:column; align-items:center; gap:0;}
.algo-flow-step{background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:10px 16px; font-size:13px; color:var(--ink-dim); text-align:center;}
.algo-flow-step strong{color:var(--ink);}
.algo-flow-branches{display:flex; gap:20px; margin-top:16px; width:100%; position:relative;}
.algo-flow-branches::before{content:""; position:absolute; top:-16px; left:50%; width:1px; height:16px; background:var(--vessel);}
.algo-flow-branch{flex:1; display:flex; flex-direction:column; align-items:center; gap:8px; border-top:2px solid var(--bc); padding-top:10px;}
.algo-flow-label{font-family:'Source Sans 3',sans-serif; font-size:11px; text-transform:uppercase; letter-spacing:.04em; font-weight:700; color:var(--bc);}
.algo-flow-box{background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:9px 12px; font-size:12.5px; color:var(--ink-dim); text-align:center; width:100%;}
.algo-flow-box strong{color:var(--ink);}
.algo-flow-risks{display:flex; flex-direction:column; gap:6px; width:100%; margin-top:6px;}
.algo-risk{border-radius:var(--radius); padding:8px 10px; font-size:11.5px; line-height:1.4; text-align:center;}
.algo-risk strong{display:block; font-size:11.5px; margin-bottom:2px;}
.algo-risk.high{background:#8c3a3418; color:#8c3a34;}
.algo-risk.mid{background:#96703518; color:#8a5a1a;}
.algo-risk.low{background:#3f6b5218; color:#3f6b52;}
@media (max-width:520px){ .algo-flow-branches{flex-direction:column;} }

@media (max-width:640px){
  .modal-grid{grid-template-columns:1fr;}
  .modal{padding:24px 18px 28px; border-radius:0; max-width:100%;}
  .modal h2{font-size:1.4rem; padding-right:34px;}
  .overlay{padding:0;}
  .calc-row2{grid-template-columns:1fr;}
  .section{padding:26px 16px;}
  .hero{padding:44px 16px 28px;}
  .comp-grid{grid-template-columns:1fr 1fr;}
  .pillbar{gap:14px; padding:12px 10px;}
}
@media (max-width:420px){
  .comp-grid{grid-template-columns:1fr;}
}

/* ---------- FOOTER / BIBLIOGRAFIA ---------- */
footer{text-align:center; padding:50px 20px 70px; color:var(--ink-faint); font-size:12.5px; font-family:'Source Sans 3',sans-serif;}
.bib-list{list-style:none; margin:0; padding:0; counter-reset:bib;}
.bib-list li{font-size:13.5px; color:var(--ink-dim); padding:11px 0 11px 38px; position:relative; border-bottom:1px solid var(--line); scroll-margin-top:80px; transition:background .6s;}
.bib-list li .bnum{position:absolute; left:0; top:11px; color:var(--accent-fg); font-family:'Newsreader',serif; font-style:italic; font-size:13px;}
.bib-list li.flash{background:var(--panel2);}

/* ---------- CALCULATORS ---------- */
.calc-btn{
  background:transparent; border:1px solid var(--line); color:var(--accent-fg); font-family:'Source Sans 3',sans-serif;
  font-size:11.5px; font-weight:600; padding:5px 10px; border-radius:var(--radius); cursor:pointer; white-space:nowrap; margin-left:6px;
}
.calc-btn:hover{border-color:var(--accent-fg); background:var(--panel2);}
.calc-form{display:flex; flex-direction:column; gap:14px; margin-top:6px;}
.calc-field{display:flex; flex-direction:column; gap:5px;}
.calc-field label{font-family:'Source Sans 3',sans-serif; font-size:11.5px; text-transform:uppercase; letter-spacing:.03em; color:var(--ink-faint); font-weight:600;}
.calc-field input, .calc-field select{
  background:var(--panel2); border:1px solid var(--line); color:var(--ink); border-radius:var(--radius); padding:9px 11px; font-size:14px;
  font-family:'Source Sans 3',sans-serif;
}
.calc-field input:focus, .calc-field select:focus{outline:none; border-color:var(--modal-accent-fg);}
.calc-row2{display:grid; grid-template-columns:1fr 1fr; gap:14px;}
.calc-check{display:flex; align-items:center; gap:8px; font-size:13.5px; color:var(--ink-dim);}
.calc-result{
  margin-top:8px; padding:16px 18px; border-radius:var(--radius); background:var(--panel2); border:1px solid var(--modal-accent-fg);
}
.calc-result .cr-label{font-family:'Source Sans 3',sans-serif; font-size:11px; text-transform:uppercase; letter-spacing:.04em; color:var(--modal-accent-fg); display:block; margin-bottom:6px; font-weight:600;}
.calc-result .cr-text{font-size:14.5px; color:var(--ink); line-height:1.55;}
.calc-result .cr-text ul.cr-list{margin:0; padding-left:20px; display:flex; flex-direction:column; gap:9px;}
.calc-result .cr-text ul.cr-list li{padding-left:2px;}
.calc-copy{
  margin-top:12px; background:transparent; border:1px solid var(--line); color:var(--ink-dim); font-family:'Source Sans 3',sans-serif;
  font-size:12px; font-weight:600; padding:8px 14px; border-radius:var(--radius); cursor:pointer;
}
.calc-copy:hover{border-color:var(--modal-accent-fg); color:var(--modal-accent-fg);}
.calc-note{font-size:12.5px; color:var(--ink-faint); margin-top:4px; font-style:italic;}
.nc-block{border-top:1px solid var(--line); padding-top:14px; margin-top:14px;}
.nc-block:first-of-type{border-top:none; margin-top:0; padding-top:0;}
.nc-block .calc-check{font-size:14.5px; color:var(--ink); font-weight:600; cursor:pointer;}
.nc-block .nc-fields{margin-top:12px; padding-left:4px;}

/* ---------- QUIZ / CASE ---------- */
.quiz-options{display:flex; flex-direction:column; gap:10px; margin:18px 0;}
.quiz-opt{
  text-align:left; background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:12px 16px;
  font-family:'Source Sans 3',sans-serif; font-size:14px; color:var(--ink); cursor:pointer; transition:all .15s;
}
.quiz-opt:hover:not(:disabled){border-color:var(--modal-accent-fg); background:var(--panel2);}
.quiz-opt:disabled{cursor:default;}
.quiz-opt.correct{border-color:#3f6b52; background:#3f6b5214; color:#3f6b52; font-weight:600;}
.quiz-opt.incorrect{border-color:#8c3a34; background:#8c3a3414; color:#8c3a34; font-weight:600;}
.quiz-feedback-box{padding:14px 16px; border-radius:var(--radius); font-size:14px; line-height:1.55; margin-top:4px;}
.quiz-feedback-box.correct{background:#3f6b5214; border:1px solid #3f6b52; color:var(--ink-dim);}
.quiz-feedback-box.incorrect{background:#8c3a3414; border:1px solid #8c3a34; color:var(--ink-dim);}
.quiz-feedback-box strong{color:var(--ink);}
.case-vignette{background:var(--panel2); border-left:3px solid #8c3a34; border-radius:var(--radius); padding:16px 18px; font-size:14.5px; color:var(--ink); line-height:1.6; margin-bottom:6px;}

/* ---------- FLASHCARDS ---------- */
.flashcard{
  min-height:180px; display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center; gap:14px;
  background:var(--panel2); border:1px solid var(--line); border-radius:8px; padding:32px 24px; cursor:pointer; margin:18px 0;
}
.flashcard-inner{font-size:17px; color:var(--ink); font-family:'Newsreader',serif; line-height:1.5;}
.flashcard-hint{font-size:11.5px; color:var(--ink-faint); text-transform:uppercase; letter-spacing:.04em;}
.fc-rate-row{display:grid; grid-template-columns:repeat(4,1fr); gap:8px;}
.fc-rate{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:10px 6px; font-size:12.5px;
  font-family:'Source Sans 3',sans-serif; font-weight:600; color:var(--ink-dim); cursor:pointer; transition:all .15s;
}
.fc-rate:hover{border-color:#5c4a73; color:#5c4a73;}
.fc-rate:nth-child(1):hover{border-color:#8c3a34; color:#8c3a34;}
.fc-rate:nth-child(2):hover{border-color:#966b35; color:#966b35;}
.fc-rate:nth-child(4):hover{border-color:#3f6b52; color:#3f6b52;}
@media (max-width:640px){ .fc-rate-row{grid-template-columns:repeat(2,1fr);} }

/* ==========================================================================
   APP SHELL — mobile-first frame (header + bottom nav + sección switcher)
   Añadido para unificar los dos prototipos en una sola app instalable (PWA).
   ========================================================================== */
.app-shell{max-width:900px; margin:0 auto; min-height:100vh; min-height:100dvh; display:flex; flex-direction:column; background:var(--bg); position:relative;}

/* Header */
.app-header{
  position:sticky; top:0; z-index:50; display:flex; align-items:center; gap:12px;
  padding:12px 18px; background:var(--chrome-bg); backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.app-header .brand-mark{
  width:38px; height:38px; border-radius:10px; flex:none; display:flex; align-items:center; justify-content:center;
  background:#fff; overflow:hidden; border:1px solid var(--line);
}
.app-header .brand-mark img{width:100%; height:100%; object-fit:cover;}
.app-header .brand-txt{display:flex; flex-direction:column; line-height:1.15; min-width:0;}
.app-header .brand-txt h1{font-family:'Newsreader',serif; font-size:17px; font-weight:600; margin:0; color:var(--ink); white-space:nowrap; overflow:hidden; text-overflow:ellipsis;}
.app-header .brand-txt span{font-size:11.5px; color:var(--ink-faint);}
.app-header .topic-switch{margin-left:auto; flex:none;}

.account-menu{position:relative; flex:none; margin-left:8px;}
.account-gear-btn{
  width:36px; height:36px; border-radius:8px; border:1px solid var(--line); background:var(--panel);
  display:flex; align-items:center; justify-content:center; cursor:pointer; color:var(--ink-dim); padding:0;
}
.account-gear-btn:hover{background:var(--panel2); color:var(--ink);}
.account-gear-btn svg{width:18px; height:18px; stroke:currentColor; fill:none; stroke-width:1.7; stroke-linecap:round; stroke-linejoin:round;}
.account-dropdown{
  position:absolute; top:44px; right:0; min-width:210px; background:var(--panel); border:1px solid var(--line);
  border-radius:8px; box-shadow:0 12px 32px rgba(35,31,25,.16); padding:6px; display:none; z-index:60;
}
.account-dropdown.open{display:block;}
.account-dropdown button, .account-dropdown a{
  display:block; width:100%; text-align:left; padding:9px 12px; font-family:'Source Sans 3',sans-serif; font-size:13px;
  color:var(--ink); background:none; border:none; border-radius:6px; cursor:pointer; text-decoration:none; box-sizing:border-box;
}
.account-dropdown button:hover, .account-dropdown a:hover{background:var(--panel2);}
.account-dropdown-sep{height:1px; background:var(--line); margin:6px 4px;}
.account-dropdown .account-danger{color:#8c3a34;}
.account-theme-row{display:flex; align-items:center; justify-content:space-between; padding:4px 12px; gap:10px;}
.account-theme-row span{font-family:'Source Sans 3',sans-serif; font-size:13px; color:var(--ink);}
.account-theme-row select{
  font-family:'Source Sans 3',sans-serif; font-size:12.5px; color:var(--ink); background:var(--bg);
  border:1px solid var(--line); border-radius:var(--radius); padding:5px 8px;
}
.account-theme-row input[type="checkbox"]{width:16px; height:16px; accent-color:var(--shell); cursor:pointer;}

/* Sección switcher */
.app-main{flex:1; padding-bottom:calc(var(--nav-h) + env(safe-area-inset-bottom, 0px) + 8px);}
.app-section{display:none;}
.app-section.active{display:block;}
.app-section .section:first-child{padding-top:22px;}

/* Encabezado simple de sección (calc/protocolos/calendario/tools) */
.sec-header{max-width:1040px; margin:0 auto; padding:26px 20px 4px;}
.sec-header h2{font-family:'Newsreader',serif; font-size:1.7rem; font-weight:600; margin:0; color:var(--ink);}
.sec-header p{color:var(--ink-dim); font-size:14px; margin:6px 0 0; max-width:720px;}
.sec-body{max-width:1040px; margin:0 auto; padding:18px 20px 40px;}

/* Bottom nav */
.app-nav{
  position:fixed; bottom:0; left:50%; transform:translateX(-50%); width:100%; max-width:900px; z-index:60;
  display:flex; background:var(--bg2); border-top:1px solid var(--line);
  padding:6px 0 calc(6px + env(safe-area-inset-bottom, 0px));
}
.nav-item{
  flex:1; display:flex; flex-direction:column; align-items:center; gap:3px; background:none; border:none; cursor:pointer;
  padding:5px 0 2px; color:var(--ink-faint); font-family:'Source Sans 3',sans-serif; font-size:10.5px; font-weight:600;
  transition:color .15s;
}
.nav-item svg{width:23px; height:23px; stroke:currentColor; fill:none; stroke-width:1.7;}
.nav-item.active{color:var(--shell);}
.nav-item:hover{color:var(--ink-dim);}
.nav-item.active:hover{color:var(--shell);}

/* ==========================================================================
   CALCULADORAS (grid global reutilizado desde .comp-grid/.comp-card)
   ========================================================================== */
.calc-launch-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:12px;}
@media (max-width:520px){ .calc-launch-grid{grid-template-columns:1fr 1fr;} }
@media (max-width:360px){ .calc-launch-grid{grid-template-columns:1fr;} }

/* ==========================================================================
   CALENDARIO de guardias / clases
   ========================================================================== */
.cal-toolbar{display:flex; align-items:center; justify-content:space-between; margin-bottom:14px;}
.cal-month{font-family:'Newsreader',serif; font-size:18px; font-weight:600; color:var(--ink);}
.cal-arrow{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); width:34px; height:34px; cursor:pointer;
  display:flex; align-items:center; justify-content:center; color:var(--ink); font-size:16px;
}
.cal-arrow:hover{border-color:var(--shell); color:var(--shell);}
.cal-grid{display:grid; grid-template-columns:repeat(7,1fr); gap:5px; margin-bottom:18px;}
.cal-dayname{text-align:center; font-size:10.5px; text-transform:uppercase; letter-spacing:.03em; color:var(--ink-faint); padding:4px 0;}
.cal-cell{
  text-align:center; padding:7px 2px; border-radius:var(--radius); font-size:13.5px; cursor:pointer; min-height:40px;
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:3px; border:1px solid transparent; color:var(--ink-dim);
}
.cal-cell:hover{background:var(--panel2);}
.cal-cell.today{background:var(--shell-soft); color:var(--shell); font-weight:700;}
.cal-cell.guardia{background:#f6e7cf; color:#8a5a1a; font-weight:600;}
.cal-cell.clase{background:#e5e9f2; color:#3d5a73; font-weight:600;}
.cal-cell.guardia.today, .cal-cell.clase.today{outline:2px solid var(--shell);}
.cal-cell.other{color:var(--ink-faint); opacity:.5;}
.cal-dot{width:5px; height:5px; border-radius:50%; background:#c98b2e;}
.cal-legend{display:flex; gap:16px; flex-wrap:wrap; font-size:12px; color:var(--ink-dim); margin-bottom:16px;}
.cal-legend span{display:flex; align-items:center; gap:6px;}
.cal-legend i{width:11px; height:11px; border-radius:3px; display:inline-block;}
.cal-add{display:flex; gap:8px; flex-wrap:wrap; margin-bottom:14px; align-items:flex-end;}
.cal-add .calc-field{flex:1; min-width:120px;}
.cal-add button{padding:9px 16px; background:var(--shell); color:#fff; border:none; border-radius:var(--radius); cursor:pointer; font-family:'Source Sans 3',sans-serif; font-size:13px; font-weight:600; height:38px;}
.cal-add button:hover{background:var(--shell-dim);}
.event-item{display:flex; align-items:center; justify-content:space-between; gap:10px; padding:11px 14px; background:var(--panel); border:1px solid var(--line); border-left:3px solid var(--c,var(--shell)); border-radius:var(--radius); margin-bottom:8px; font-size:13.5px; color:var(--ink);}
.event-item .ev-del{background:none; border:none; cursor:pointer; color:var(--ink-faint); font-size:18px; line-height:1; padding:0 4px;}
.event-item .ev-del:hover{color:var(--accent-fg);}
.event-empty{text-align:center; font-size:13px; color:var(--ink-faint); padding:16px 0;}

/* ==========================================================================
   Importar guardias desde PDF
   ========================================================================== */
.cal-import{border:1px solid var(--line); border-radius:var(--radius); margin-bottom:18px; background:var(--panel);}
.cal-import summary{cursor:pointer; padding:12px 16px; font-family:'Source Sans 3',sans-serif; font-weight:600; font-size:13.5px; color:var(--shell); list-style:none;}
.cal-import summary::-webkit-details-marker{display:none;}
.cal-import summary::before{content:"▸ "; display:inline-block; transition:transform .15s;}
.cal-import[open] summary::before{transform:rotate(90deg);}
.cal-import-body{padding:0 16px 16px;}
.cal-import-hint{font-size:12.5px; color:var(--ink-faint); margin:0 0 12px;}
.cal-import-status{font-size:12.5px; color:var(--ink-dim); margin:10px 0 0; min-height:16px;}
.cal-import input[type="file"]{font-size:12.5px; color:var(--ink-dim);}

/* ==========================================================================
   Filas nombre/valor (reutilizado en Protocolos para tablas de dosis)
   ========================================================================== */
.val-row{display:flex; justify-content:space-between; align-items:center; gap:12px; padding:9px 0; border-bottom:1px solid var(--line); font-size:13.5px;}
.val-row:last-child{border-bottom:none;}
.val-name{color:var(--ink); font-weight:600;}
.val-range{color:var(--ink-dim); font-family:'IBM Plex Mono',monospace; font-size:12.5px;}
.val-row .val-note{display:block; font-size:11.5px; color:var(--ink-faint); font-weight:400; margin-top:2px; font-family:'Source Sans 3',sans-serif;}

/* ==========================================================================
   PROTOCOLOS — bloque de teoría (académico)
   ========================================================================== */
.proto-theory{margin-bottom:26px;}
.proto-theory h3{font-family:'Newsreader',serif; font-size:1.05rem; font-weight:600; color:var(--ink); margin:22px 0 10px;}
.proto-theory h3:first-child{margin-top:0;}
.proto-theory p{color:var(--ink-dim); font-size:14.5px; line-height:1.6; margin:0 0 10px;}
.proto-keypoints{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:8px;}
.proto-keypoints li{display:flex; gap:10px; align-items:flex-start; font-size:14px; color:var(--ink-dim); line-height:1.5;}
.proto-keypoints li::before{content:"—"; flex:none; color:var(--modal-accent-fg); font-weight:700;}
.proto-drugs{border:1px solid var(--line); border-radius:var(--radius); padding:4px 16px; background:var(--panel);}
.proto-divider{border:none; border-top:1px solid var(--line); margin:30px 0 22px;}
.proto-checklist-head{display:flex; align-items:baseline; justify-content:space-between; gap:10px; margin-bottom:14px;}
.proto-checklist-head h3{font-family:'Newsreader',serif; font-size:1.05rem; font-weight:600; color:var(--ink); margin:0;}

/* ==========================================================================
   PROTOCOLOS / CHECKLISTS interactivos
   ========================================================================== */
.proto-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:12px;}
@media (max-width:520px){ .proto-grid{grid-template-columns:1fr;} }
.proto-steps{list-style:none; margin:0; padding:0; counter-reset:proto;}
.proto-step{
  display:flex; align-items:flex-start; gap:12px; padding:13px 14px; border:1px solid var(--line);
  border-radius:var(--radius); margin-bottom:8px; background:var(--panel); cursor:pointer; transition:all .15s;
}
.proto-step:hover{border-color:var(--modal-accent-fg);}
.proto-step.checked{background:var(--panel2); opacity:.62;}
.proto-step.checked .ps-text{text-decoration:line-through; color:var(--ink-faint);}
.proto-check{
  flex:none; width:22px; height:22px; border-radius:5px; border:2px solid var(--modal-accent-fg); margin-top:1px;
  display:flex; align-items:center; justify-content:center; font-size:14px; color:#fff; background:transparent; font-weight:700;
}
.proto-step.checked .proto-check{background:var(--modal-accent-fg);}
.ps-body{flex:1; min-width:0;}
.ps-text{font-size:14px; color:var(--ink); line-height:1.5;}
.ps-note{font-size:12.5px; color:var(--ink-faint); margin-top:3px; line-height:1.45;}
.ps-phase{
  font-family:'Source Sans 3',sans-serif; font-size:11px; text-transform:uppercase; letter-spacing:.05em;
  color:var(--modal-accent-fg); font-weight:700; margin:20px 0 10px;
}
.ps-phase:first-child{margin-top:2px;}
.proto-reset{margin-top:8px; background:transparent; border:1px solid var(--line); color:var(--ink-dim); font-family:'Source Sans 3',sans-serif; font-size:12px; font-weight:600; padding:8px 14px; border-radius:var(--radius); cursor:pointer;}
.proto-reset:hover{border-color:var(--accent-fg); color:var(--accent-fg);}
.proto-source{font-size:11.5px; color:var(--ink-faint); font-style:italic; margin-top:14px;}

/* ---------- INICIO (home) ---------- */
.home-hero{padding:44px 24px 32px; display:flex; flex-direction:column; align-items:center; text-align:center; border-bottom:1px solid var(--line);}
.home-logo{width:clamp(100px,22vw,144px); height:clamp(100px,22vw,144px); border-radius:22px; border:1px solid var(--line); background:#fff; object-fit:cover;}
.home-hero h1{font-family:'Newsreader',serif; font-weight:600; font-size:clamp(1.9rem,5vw,2.6rem); margin:16px 0 0; color:var(--ink);}
.home-desc{max-width:560px; margin:12px 0 0; color:var(--ink-dim); font-size:14.5px; line-height:1.6;}
.home-progress{
  display:flex; align-items:center; gap:26px; flex-wrap:wrap; margin:24px 0 6px; padding:18px 20px;
  background:var(--panel2); border:1px solid var(--line); border-radius:var(--radius);
}
.home-progress-ring{position:relative; flex:none; width:132px; height:132px;}
.home-progress-center{
  position:absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:center;
  font-family:'Newsreader',serif; font-size:1.5rem; font-weight:600; color:var(--ink);
}
.home-progress-center span{font-family:'Source Sans 3',sans-serif; font-size:10.5px; font-weight:600; text-transform:uppercase; letter-spacing:.04em; color:var(--ink-faint); margin-top:2px;}
.home-progress-stats{display:flex; gap:28px; flex-wrap:wrap;}
.home-stat{display:flex; flex-direction:column; gap:2px;}
.home-stat-n{font-family:'Newsreader',serif; font-size:1.6rem; font-weight:600; color:var(--ink);}
.home-stat-l{font-size:11.5px; color:var(--ink-faint); text-transform:uppercase; letter-spacing:.03em;}
.home-subhead{font-family:'Newsreader',serif; font-size:1.25rem; font-weight:600; margin:0; color:var(--ink);}
.home-subhead-note{color:var(--ink-dim); font-size:13.5px; margin:6px 0 14px;}
.home-quick{background:var(--panel); border:1px solid var(--line); color:var(--ink-dim); font-size:12.5px; font-weight:600; padding:9px 16px; border-radius:var(--radius); cursor:pointer;}
.home-quick:hover{border-color:var(--shell); color:var(--shell);}
.home-reset{margin-left:auto; align-self:flex-start; background:transparent; border:1px solid var(--line); color:var(--ink-faint); font-size:11.5px; font-weight:600; padding:8px 14px; border-radius:var(--radius); cursor:pointer;}
.home-reset:hover{border-color:#8c3a34; color:#8c3a34;}
.home-exam{
  display:flex; align-items:center; gap:18px; flex-wrap:wrap; margin-bottom:14px; padding:16px 20px;
  background:var(--panel2); border:1px solid var(--line); border-radius:var(--radius);
}
.home-exam-count{font-family:'Newsreader',serif; font-size:2.4rem; font-weight:600; color:var(--shell); flex:none; min-width:60px; text-align:center;}
.home-exam-body{flex:1; min-width:0;}
.home-exam-label{font-size:14px; font-weight:600; color:var(--ink);}
.home-exam-date{font-size:12.5px; color:var(--ink-faint); text-transform:capitalize; margin-top:2px;}
.home-exam-row{display:flex; gap:10px; flex-wrap:wrap; align-items:center;}
.home-exam-input{
  background:var(--panel); border:1px solid var(--line); color:var(--ink); border-radius:var(--radius);
  padding:9px 11px; font-size:14px; font-family:inherit;
}
.home-dash-row{align-items:stretch; margin:14px 0;}

.home-dash-card{
  display:flex; flex-direction:column; gap:14px; height:100%; box-sizing:border-box;
  background:var(--panel2); border:1px solid var(--line); border-radius:var(--radius); padding:18px 20px;
}
.home-dash-card > .home-subhead{margin:0;}
.home-dash-card .home-progress, .home-dash-card .home-exam{background:none; border:none; padding:0; margin:0;}
.home-progress-divider{height:1px; background:var(--line);}

.home-study-box{display:flex; flex-wrap:wrap; gap:20px;}
.home-study-col{flex:1; min-width:220px;}
.home-study-col + .home-study-col{border-left:1px solid var(--line); padding-left:20px;}
.home-study-col-title{
  font-family:'Source Sans 3',sans-serif; font-size:11.5px; font-weight:700; text-transform:uppercase;
  letter-spacing:.03em; color:var(--shell); margin:0 0 12px;
}
@media (max-width:640px){
  .home-study-col + .home-study-col{border-left:none; border-top:1px solid var(--line); padding-left:0; padding-top:16px;}
}

.exam-summary-actions{display:flex; gap:10px; flex-wrap:wrap; margin-top:14px;}

.exam-page-header{display:flex; align-items:center; justify-content:space-between; margin-bottom:20px;}
.exam-page-timer{font-size:1.1rem; font-weight:600; color:var(--shell); background:var(--panel2); border:1px solid var(--line); padding:6px 16px; border-radius:20px;}

@media (max-width:640px){
  .home-progress{flex-direction:column; align-items:flex-start;}
  .home-reset{margin-left:0;}
  .home-exam{flex-direction:column; align-items:flex-start;}
}

/* ---------------- Temario completo (acordeón en Inicio) ---------------- */
.temario-list{display:flex; flex-direction:column; gap:10px;}
.temario-block{background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;}
.temario-block > summary{
  list-style:none; cursor:pointer; padding:14px 16px; display:flex; align-items:center; gap:12px;
  font-family:'Newsreader',serif; font-weight:600; font-size:15.5px; color:var(--ink);
}
.temario-block > summary::-webkit-details-marker{display:none;}
.temario-block > summary::after{
  content:""; flex:none; width:9px; height:9px; margin-left:auto;
  border-right:2px solid var(--ink-faint); border-bottom:2px solid var(--ink-faint);
  transform:rotate(45deg); transition:transform .15s;
}
.temario-block[open] > summary::after{transform:rotate(-135deg);}
.temario-block-title{flex:1; min-width:0;}
.temario-block-cov{
  flex:none; font-family:'Source Sans 3',sans-serif; font-size:10.5px; font-weight:600; color:var(--ink-faint);
  background:var(--bg); border:1px solid var(--line); border-radius:20px; padding:3px 10px; white-space:nowrap;
}
.temario-block-intro{margin:0 16px 12px; font-size:12.5px; color:var(--ink-faint); line-height:1.55;}
.temario-cluster{margin:0 16px 14px;}
.temario-cluster h5{
  margin:0 0 8px; font-family:'Source Sans 3',sans-serif; font-size:11.5px; font-weight:700;
  text-transform:uppercase; letter-spacing:.03em; color:var(--shell);
}
.temario-item{
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  padding:9px 10px; border-radius:8px; font-size:13.5px; color:var(--ink-dim); cursor:pointer;
  border:1px solid transparent;
}
.temario-item:hover{background:var(--panel2);}
.temario-item.available{color:var(--ink); font-weight:500;}
.temario-item .ti-tag{
  flex:none; font-family:'Source Sans 3',sans-serif; font-size:10px; font-weight:700; text-transform:uppercase;
  letter-spacing:.03em; padding:3px 9px; border-radius:20px; white-space:nowrap;
}
.temario-item.available .ti-tag{background:var(--tc,var(--shell-soft)); color:var(--tc-dark,var(--shell));}
.temario-item.wip .ti-tag{background:var(--panel2); color:var(--ink-faint);}
.temario-item.wip{color:var(--ink-faint);}

.wip-modal{text-align:center; padding:6px 0 4px;}
.wip-modal svg{width:96px; height:96px; margin:0 auto 18px;}
.wip-modal h2{margin:0 0 8px; padding-right:0;}
.wip-modal p{color:var(--ink-dim); font-size:14.5px; line-height:1.6; max-width:340px; margin:0 auto;}
.wip-modal .wip-scope{
  display:block; margin-top:16px; font-family:'Source Sans 3',sans-serif; font-size:11.5px; font-weight:600;
  text-transform:uppercase; letter-spacing:.03em; color:var(--ink-faint);
}

/* Study view container tweaks para el shell */
#study-root .section{max-width:1040px;}
#study-root .hero{padding:34px 24px 30px;}
#study-root .hero h1{font-size:clamp(2rem,5vw,3rem);}
#study-root .pillbar{top:58px; z-index:40;}
.study-section{scroll-margin-top:112px;}
#study-root .bib-list li{scroll-margin-top:112px;}
@media (max-width:640px){
  .app-header{padding:10px 14px;}
  .sec-header, .sec-body{padding-left:16px; padding-right:16px;}
  #study-root .hero{padding:24px 14px 22px;}
  #study-root .pillbar{top:52px;}
}

/* ---------------- Autenticación ---------------- */
.auth-modal{max-width:380px; margin:0 auto;}
.auth-modal h2{margin:0 0 6px; text-align:center;}
.auth-note{color:var(--ink-faint); font-size:12.5px; text-align:center; margin:0 0 20px; line-height:1.5;}
.auth-error{background:#8c3a3414; border:1px solid #8c3a34; color:#8c3a34; border-radius:var(--radius); padding:10px 12px; font-size:13px; margin-bottom:14px;}
#auth-form{display:flex; flex-direction:column; gap:14px;}
#auth-form button{padding:10px 16px; background:var(--shell); color:#fff; border:none; border-radius:var(--radius); cursor:pointer; font-family:'Source Sans 3',sans-serif; font-size:14px; font-weight:600; margin-top:4px;}
#auth-form button:hover{background:var(--shell-dim);}
.auth-links{display:flex; flex-wrap:wrap; justify-content:center; gap:6px 4px; margin-top:16px; font-size:12.5px;}
.auth-links a{color:var(--shell); text-decoration:none; font-weight:600;}
.auth-links a:hover{text-decoration:underline;}
#overlay.auth-locked .modal-close{display:none;}

/* ---------------- Login/registro como pagina completa ---------------- */
#overlay.auth-page{background:var(--bg); padding:0; align-items:flex-start;}
#overlay.auth-page .modal{
  max-width:none; width:100%; min-height:100vh; margin:0; padding:0; border:none; border-radius:0; box-shadow:none; background:var(--bg);
}
.auth-page-inner{display:flex; flex-direction:column; align-items:center; padding:48px 24px 40px;}
.auth-brand{display:flex; flex-direction:column; align-items:center; text-align:center; max-width:640px;}
.auth-logo{width:clamp(90px,20vw,120px); height:clamp(90px,20vw,120px); border-radius:22px; border:1px solid var(--line); background:#fff; object-fit:cover;}
.auth-kicker{margin-top:16px; font-family:'Source Sans 3',sans-serif; font-size:11.5px; font-weight:700; text-transform:uppercase; letter-spacing:.06em; color:var(--shell);}
.auth-brand h1{font-family:'Newsreader',serif; font-weight:600; font-size:clamp(2rem,6vw,3rem); margin:8px 0 0; color:var(--ink);}
.auth-desc{max-width:560px; margin:12px 0 0; color:var(--ink-dim); font-size:14.5px; line-height:1.6;}

.home-features{display:grid; grid-template-columns:repeat(auto-fit,minmax(190px,1fr)); gap:18px; margin:32px 0 0; width:100%; max-width:920px; text-align:left;}
.home-feature{background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:20px 18px;}
.home-feature svg{width:26px; height:26px; stroke:var(--shell); fill:none; stroke-width:1.7; stroke-linecap:round; stroke-linejoin:round;}
.home-feature h3{font-family:'Newsreader',serif; font-size:15px; font-weight:600; color:var(--ink); margin:12px 0 6px;}
.home-feature p{font-size:12.5px; color:var(--ink-dim); line-height:1.55; margin:0;}

.auth-formside{width:100%; max-width:420px; margin:40px auto 0; padding:28px 26px 32px; background:var(--panel); border:1px solid var(--line); border-radius:8px; box-shadow:0 12px 40px rgba(35,31,25,.1);}
.auth-formside .auth-modal{max-width:none;}
.auth-formside--wide{max-width:560px;}

.auth-brand--compact{margin-bottom:8px;}
.auth-brand--compact h1{margin-top:10px; font-size:clamp(1.6rem,5vw,2.2rem);}
.auth-logo--sm{width:64px; height:64px;}

#auth-form.auth-form-grid{display:grid; grid-template-columns:1fr 1fr; gap:14px 16px;}
.auth-form-grid .field-full{grid-column:1/-1;}
@media (max-width:520px){
  #auth-form.auth-form-grid{grid-template-columns:1fr;}
}

.auth-donate{width:100%; max-width:560px; margin:32px auto 0; padding:20px 24px; background:var(--panel); border:1px solid var(--line); border-radius:8px; text-align:center;}
.auth-donate-icon{width:30px; height:30px; stroke:var(--shell); fill:none; stroke-width:1.6; stroke-linecap:round; stroke-linejoin:round; margin-bottom:8px;}
.auth-donate h3{font-family:'Newsreader',serif; font-weight:600; font-size:16px; margin:0 0 8px; color:var(--ink);}
.auth-donate p{font-size:13px; color:var(--ink-dim); line-height:1.6; margin:0;}
.auth-donate-account{margin-top:10px !important; font-weight:600; color:var(--shell);}

.pw-rules{list-style:none; margin:-4px 0 0; padding:0; display:flex; flex-wrap:wrap; gap:5px 16px;}
.pw-rules li{display:flex; align-items:center; gap:5px; font-size:11.5px; color:var(--ink-faint);}
.pw-rules li.ok{color:#3f6b52;}
.pw-rule-mark{font-size:11px;}

.auth-checkbox-row{display:flex; align-items:flex-start; gap:8px; font-size:13px; color:var(--ink-dim); line-height:1.45; cursor:pointer;}
.auth-checkbox-row input[type="checkbox"]{width:16px; height:16px; margin-top:1px; flex:none; accent-color:var(--shell); cursor:pointer;}
.auth-checkbox-row a{color:var(--shell); font-weight:600; text-decoration:none;}
.auth-checkbox-row a:hover{text-decoration:underline;}
.auth-remember-row{display:flex; flex-wrap:wrap; gap:6px 22px; margin-top:-6px;}
.auth-remember-row .auth-checkbox-row{align-items:center; font-size:12.5px;}

/* ---------------- Modal de términos y condiciones ---------------- */
#terms-overlay{z-index:200;}
.terms-modal{max-width:560px; max-height:82vh; overflow-y:auto;}
.terms-body{font-size:13px; color:var(--ink-dim); line-height:1.65;}
.terms-body h3{font-family:'Source Sans 3',sans-serif; font-size:13.5px; color:var(--ink); margin:18px 0 6px; font-weight:700;}
.terms-body h3:first-child{margin-top:0;}
.terms-body p{margin:0 0 10px;}
.terms-body ul{margin:0 0 10px; padding-left:20px;}
.terms-body li{margin-bottom:4px;}
.terms-updated{font-size:11.5px; color:var(--ink-faint); font-style:italic; margin-top:16px !important;}

.home-footer{margin-top:44px; padding-top:22px; border-top:1px solid var(--line); text-align:center; width:100%; max-width:640px;}
.home-footer p{font-size:12px; color:var(--ink-faint); line-height:1.6; max-width:640px; margin:0 auto;}
.home-footer-copy{margin-top:10px !important; font-weight:600;}

@media (max-width:760px){
  .home-features{grid-template-columns:1fr;}
}

/* ---------------- Panel de administración ---------------- */
.admin-table-wrap{overflow-x:auto; margin-top:14px; border:1px solid var(--line); border-radius:var(--radius);}
.admin-table{width:100%; border-collapse:collapse; font-size:13px; white-space:nowrap;}
.admin-table th, .admin-table td{padding:10px 14px; text-align:left; border-bottom:1px solid var(--line);}
.admin-table th{font-family:'Source Sans 3',sans-serif; font-size:11px; text-transform:uppercase; letter-spacing:.03em; color:var(--ink-faint); font-weight:600; background:var(--panel);}
.admin-table tbody tr:last-child td{border-bottom:none;}
.admin-table tbody tr:hover{background:var(--panel);}

/* ---------------- Generador de exámenes ---------------- */
.exam-topic-checks{display:flex; flex-direction:column; gap:8px; max-height:180px; overflow-y:auto; border:1px solid var(--line); border-radius:var(--radius); padding:10px 12px; background:var(--panel);}
.exam-topic-check{display:flex; align-items:center; gap:8px; font-size:13px; color:var(--ink-dim); cursor:pointer;}
.exam-topic-check input{flex:none;}

/* ---------------- Mazo de fichas (Inicio) ---------------- */
.fc-deck-summary{display:flex; align-items:center; gap:28px; flex-wrap:wrap;}
.fc-deck-uptodate{font-size:13px; font-weight:600; color:#2f6f5e;}

/* ---------------- Tema repasado (temario) ---------------- */
.ti-review{
  flex:none; font-family:'Source Sans 3',sans-serif; font-size:10px; font-weight:700; text-transform:uppercase;
  letter-spacing:.03em; padding:3px 9px; border-radius:20px; white-space:nowrap; border:1px solid var(--line);
  background:transparent; color:var(--ink-faint); cursor:pointer; margin-left:6px;
}
.ti-review.checked{background:#3f6b5214; border-color:#3f6b52; color:#3f6b52;}
.ti-review:hover{border-color:var(--shell); color:var(--shell);}