/* Catálogo de grados D, C, B y A · estilos */
@font-face{font-family:'Fraunces';font-style:normal;font-weight:500;font-display:swap;src:url(fonts/fraunces-latin-500-normal.woff2) format('woff2')}
@font-face{font-family:'Fraunces';font-style:normal;font-weight:600;font-display:swap;src:url(fonts/fraunces-latin-600-normal.woff2) format('woff2')}
@font-face{font-family:'Instrument Sans';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/instrument-sans-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'Instrument Sans';font-style:normal;font-weight:500;font-display:swap;src:url(fonts/instrument-sans-latin-500-normal.woff2) format('woff2')}
@font-face{font-family:'Instrument Sans';font-style:normal;font-weight:600;font-display:swap;src:url(fonts/instrument-sans-latin-600-normal.woff2) format('woff2')}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:500;font-display:swap;src:url(fonts/jetbrains-mono-latin-500-normal.woff2) format('woff2')}
/* Layout: cabecera con buscador y 4 niveles; debajo, 4 columnas en cascada D → C → B → A; barra de itinerario fija abajo. */
:root{
  /* Verde corporativo DRED #00A850 y sus tonos (del más oscuro, grado D, al más claro, grado A) */
  --brand:#00A850; --brand-ink:#0b1f12;
  --bg:#f4f6f4; --surface:#ffffff; --surface-2:#fafbfa; --line:#dde3de; --line-2:#c7d0c9;
  --ink:#141a16; --muted:#4b5650; --faint:#66716a;
  --d:#004220; --c:#00582a; --b:#006b33; --a:#00803d; --on-lv:#ffffff; --on-lv-sub:#e3f5ea;
  --bar:#004220; --bar-ink:#ffffff; --bar-sub:#bfe3cc; --bar-chip:rgba(255,255,255,.12);
  --cta:#00A850; --cta-ink:#0b1f12; --mark:#c9eed8; --focus:#00A850;
  --shadow:0 12px 32px rgba(0,66,32,.14);
  --f-display:'Fraunces',Georgia,'Times New Roman',serif;
  --f-body:'Instrument Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --f-mono:'JetBrains Mono',ui-monospace,'SFMono-Regular',Menlo,monospace;
}
@media (prefers-color-scheme: dark){:root{
  --bg:#0e1511; --surface:#15201a; --surface-2:#111a15; --line:#233229; --line-2:#33463a;
  --ink:#e8efea; --muted:#b0c0b6; --faint:#8fa298;
  --d:#00612e; --c:#006b33; --b:#007538; --a:#00803d; --on-lv:#ffffff; --on-lv-sub:#e3f5ea;
  --bar:#00331a; --bar-ink:#ffffff; --bar-sub:#b3d9c1; --bar-chip:rgba(255,255,255,.1);
  --cta:#00A850; --cta-ink:#0b1f12; --mark:#14532d; --focus:#2fc46f; --shadow:0 12px 32px rgba(0,0,0,.45); color-scheme:dark}}

*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.45}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.wrap{max-width:1440px;margin:0 auto;padding-inline:clamp(16px,3vw,48px)}

/* Cabecera */
header.top{background:var(--surface-2);border-bottom:1px solid var(--line)}
.top .wrap{padding-block:26px 22px;display:flex;flex-direction:column;gap:22px}
.headrow{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;flex-wrap:wrap}
.brand{display:flex;flex-direction:column;gap:6px;min-width:0;flex:1 1 420px}
.eyebrow{font-size:12.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:500}
h1{margin:0;font-family:var(--f-display);font-weight:600;font-size:clamp(28px,3.4vw,40px);letter-spacing:-.01em;line-height:1.1;text-wrap:balance}
.lead{margin:0;color:var(--muted);max-width:62ch}

/* Buscador */
.search{position:relative;flex:1 1 420px;max-width:520px}
.search svg{position:absolute;left:18px;top:17px;pointer-events:none;color:var(--muted)}
.search input{width:100%;height:54px;padding:0 44px 0 50px;border-radius:14px;border:1.5px solid var(--line-2);background:var(--surface);color:var(--ink);font:inherit;font-size:16px}
.search input::placeholder{color:var(--faint)}
.search input:focus{outline:none;border-color:var(--b);box-shadow:0 0 0 4px color-mix(in srgb,var(--b) 18%,transparent)}
.clear{position:absolute;right:8px;top:8px;width:38px;height:38px;border:0;border-radius:10px;background:transparent;color:var(--muted);display:grid;place-items:center}
.clear:hover{background:var(--bg)}
.suggest{position:absolute;z-index:30;left:0;right:0;top:calc(100% + 8px);background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:6px;max-height:min(70vh,560px);overflow:auto}
.suggest .note{padding:10px 12px 6px;font-size:12.5px;color:var(--muted)}
.opt{display:flex;gap:12px;align-items:flex-start;padding:10px 12px;border-radius:10px;cursor:pointer}
.opt[aria-selected="true"]{background:var(--bg)}
.opt .txt{display:flex;flex-direction:column;gap:2px;min-width:0}
.opt .nm{font-weight:500;line-height:1.3}
.opt .ctx{font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.opt.all{justify-content:center;font-weight:600;color:var(--b);border-top:1px solid var(--line);border-radius:0 0 10px 10px;margin-top:4px}
mark{background:var(--mark);color:inherit;border-radius:3px;padding:0 1px}

/* Badges de nivel */
.lv{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:28px;height:28px;border-radius:8px;font-weight:600;font-size:14px;color:var(--on-lv)}
.lv-D{background:var(--d)}.lv-C{background:var(--c)}.lv-B{background:var(--b)}.lv-A{background:var(--a)}

/* Botones de nivel */
.levels{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.lvbtn{display:flex;align-items:center;gap:14px;padding:12px 18px;min-height:64px;border-radius:14px;text-align:left;background:var(--surface);border:1.5px solid var(--line);transition:border-color .15s}
.lvbtn:hover{border-color:var(--line-2)}
.lvbtn .k{font-family:var(--f-display);font-size:34px;font-weight:600;line-height:1;width:28px}
.lvbtn .t{display:flex;flex-direction:column;gap:2px;flex:1;min-width:0}
.lvbtn .t b{font-weight:600;font-size:16px}
.lvbtn .t span{font-size:13px;color:var(--muted)}
.lvbtn .n{font-family:var(--f-mono);font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums}
.lvbtn[aria-pressed="true"]{color:var(--on-lv);border-color:transparent}
.lvbtn[aria-pressed="true"] .t span,.lvbtn[aria-pressed="true"] .n{color:var(--on-lv-sub)}
.lvbtn[data-k="D"][aria-pressed="true"]{background:var(--d)}
.lvbtn[data-k="C"][aria-pressed="true"]{background:var(--c)}
.lvbtn[data-k="B"][aria-pressed="true"]{background:var(--b)}
.lvbtn[data-k="A"][aria-pressed="true"]{background:var(--a)}

/* Columnas */
main{padding-bottom:120px}
.cols{display:grid;grid-template-columns:repeat(var(--n,4),minmax(0,1fr));align-items:start}
.col{border-right:1px solid var(--line);padding:18px 14px 8px;min-width:0}
.col:last-child{border-right:0}
.colhead{display:flex;align-items:center;gap:10px;padding:0 4px 12px}
.colhead .meta{display:flex;flex-direction:column;min-width:0}
.colhead .meta b{font-weight:600}
.colhead .meta b span{font-weight:400;color:var(--muted)}
.colhead .meta small{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.list{display:flex;flex-direction:column;gap:8px;padding:2px 4px 16px;max-height:calc(100vh - 150px);overflow:auto}
.item{display:flex;gap:10px;align-items:flex-start;width:100%;text-align:left;padding:12px 14px;border-radius:12px;background:var(--surface);border:1.5px solid var(--line);transition:border-color .15s,background .15s}
.item:hover{border-color:var(--line-2)}
.item .body{display:flex;flex-direction:column;gap:4px;flex:1;min-width:0}
.item .code{font-family:var(--f-mono);font-size:11.5px;color:var(--muted)}
.item .nm{font-size:14.5px;font-weight:500;line-height:1.35}
.item .sub{font-size:12.5px;color:var(--muted)}
.item .chev{flex-shrink:0;margin-top:18px;color:var(--muted)}
.item[aria-pressed="true"]{color:var(--on-lv);border-color:transparent}
.item[aria-pressed="true"] .code,.item[aria-pressed="true"] .sub,.item[aria-pressed="true"] .chev{color:var(--on-lv-sub)}
.item.k-D[aria-pressed="true"]{background:var(--d)}.item.k-C[aria-pressed="true"]{background:var(--c)}
.item.k-B[aria-pressed="true"]{background:var(--b)}.item.k-A[aria-pressed="true"]{background:var(--a)}
.item[aria-pressed="true"] .chev{transform:none}
.showall{display:flex;align-items:center;gap:8px;justify-content:center;padding:10px 12px;border-radius:10px;border:1.5px dashed var(--line-2);background:transparent;color:var(--muted);font-size:13.5px}
.showall:hover{color:var(--ink);border-color:var(--muted)}
.hint{border:1.5px dashed var(--line-2);border-radius:12px;padding:20px 18px;color:var(--muted);font-size:14px}
.enter{animation:enter .28s ease both}
@keyframes enter{from{opacity:.001;transform:translateX(-10px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion: reduce){.enter{animation:none}}

/* Resultados */
.results{padding-block:22px;display:flex;flex-direction:column;gap:14px}
.results .bar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.results h2{margin:0;font-family:var(--f-display);font-weight:600;font-size:24px}
.results .grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.res{display:flex;gap:14px;align-items:flex-start;text-align:left;padding:14px 16px;border-radius:12px;border:1.5px solid var(--line);background:var(--surface)}
.res:hover{border-color:var(--line-2)}
.res .txt{display:flex;flex-direction:column;gap:3px;min-width:0}
.ghost{height:40px;padding:0 16px;border-radius:10px;border:1.5px solid var(--line-2);background:var(--surface)}

/* Barra de itinerario */
.path{position:fixed;left:0;right:0;bottom:0;z-index:20;background:var(--bar);color:var(--bar-ink);padding-bottom:env(safe-area-inset-bottom,0px)}
.path .wrap{min-height:80px;padding-block:12px;display:flex;align-items:center;gap:20px}
.crumbs{display:flex;align-items:center;gap:8px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none}
.crumbs .lab{font-size:12.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--bar-sub);flex-shrink:0}
.crumb{display:inline-flex;align-items:center;gap:8px;max-width:280px;padding:6px 12px 6px 6px;border-radius:10px;background:var(--bar-chip);border:0;color:var(--bar-ink);flex-shrink:0}
.crumb .lv{width:24px;height:24px;font-size:13px;background:#ffffff;color:var(--d);border-radius:6px}
.crumb span:last-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13.5px}
.sep{color:var(--bar-sub);flex-shrink:0}
.legend{display:flex;align-items:center;gap:16px;flex:1;min-width:0;color:var(--bar-sub)}
.legend b{font-family:var(--f-display);font-size:20px;color:var(--bar-ink);font-weight:500;flex-shrink:0}
.total{display:flex;flex-direction:column;align-items:flex-end;flex-shrink:0}
.total small{font-family:var(--f-mono);font-size:12px;color:var(--bar-sub)}
.total strong{font-family:var(--f-display);font-size:22px;font-weight:500;font-variant-numeric:tabular-nums}

/* Móvil y tablet: las columnas se apilan */
@media (max-width: 960px){
  .levels{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cols{grid-template-columns:minmax(0,1fr)}
  .col{border-right:0;border-bottom:1px solid var(--line);padding-inline:0}
  .list{max-height:none}
  .results .grid{grid-template-columns:minmax(0,1fr)}
  .legend span{display:none}
  .total{display:none}
}
@media (max-width: 560px){
  .lvbtn{padding:10px 12px;gap:10px}.lvbtn .k{font-size:26px;width:20px}.lvbtn .t span{display:none}
  .path .wrap{flex-wrap:wrap;gap:10px}  main{padding-bottom:150px}
}

/* Base de página (fuera del artifact no hay reset previo) */
html{-webkit-text-size-adjust:100%}
body{margin:0}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.guia{flex-shrink:0;display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 18px;border-radius:12px;background:var(--cta);color:var(--cta-ink);font-weight:600;text-decoration:none}
.guia:hover{filter:brightness(1.05)}
@media (max-width:560px){.guia{width:100%;justify-content:center}}
.results .count{color:var(--muted);font-size:14px}
.res .rcode{font-family:var(--f-mono);font-size:11.5px;color:var(--muted)}
.res .rname{font-weight:500}
.res .rctx{font-size:12.5px;color:var(--muted)}

/* Cabecera con el logo de DRED y franja de color corporativo */
header.top{border-top:4px solid var(--brand)}
.brandrow{display:flex;align-items:center;gap:20px;min-width:0}
.logo{display:block;flex-shrink:0;height:84px;width:auto}
.brand .titles{display:flex;flex-direction:column;gap:6px;min-width:0}
@media (prefers-color-scheme: dark){.logo{background:#ffffff;border-radius:10px;padding:6px 10px;box-sizing:content-box;height:70px}}
@media (max-width:560px){.brandrow{flex-direction:column;align-items:flex-start;gap:12px}.logo{height:64px}}

/* Título del catálogo siempre en una línea */
.brand{flex:1 1 auto}
.search{flex:1 1 340px}
h1{white-space:nowrap;font-size:clamp(20px,2.7vw,38px)}
@media (max-width:560px){h1{font-size:clamp(17px,5.6vw,24px);letter-spacing:-.015em}}
@media (max-width:320px){h1{white-space:normal}}

/* Degradado de verdes que baja del grado D al grado A.
   Además de aclararse, el tono pasa de verde azulado (D) a verde amarillento (A), para que cada nivel se distinga mejor.
   Cada nivel empieza donde termina el anterior, así la cascada D → C → B → A se lee como un solo degradado. */
:root{
  --d:#00382a; --c:#005c30; --b:#00752e; --a:#07851c; --on-lv-sub:#f6fcf8; --bar-sub:#dff3e6;
  --g-D:linear-gradient(135deg,#002e1f 0%,#00422a 100%);
  --g-C:linear-gradient(135deg,#00522c 0%,#006633 100%);
  --g-B:linear-gradient(135deg,#006e33 0%,#007a29 100%);
  --g-A:linear-gradient(135deg,#038125 0%,#0b8913 100%);
  --g-bar:linear-gradient(90deg,#002e1f 0%,#00522c 50%,#007a29 100%);
}
.lv-D,.lvbtn[data-k="D"][aria-pressed="true"],.item.k-D[aria-pressed="true"]{background:var(--d);background-image:var(--g-D)}
.lv-C,.lvbtn[data-k="C"][aria-pressed="true"],.item.k-C[aria-pressed="true"]{background:var(--c);background-image:var(--g-C)}
.lv-B,.lvbtn[data-k="B"][aria-pressed="true"],.item.k-B[aria-pressed="true"]{background:var(--b);background-image:var(--g-B)}
.lv-A,.lvbtn[data-k="A"][aria-pressed="true"],.item.k-A[aria-pressed="true"]{background:var(--a);background-image:var(--g-A)}
.path{background:var(--bar);background-image:var(--g-bar)}
.crumb .lv{background:#ffffff;background-image:none}

/* Recuadros «Selecciona un grado…»: más visibles */
:root{--hint-bg:#e9f6ee;--hint-bd:#2f8f55;--hint-ink:#0f3d22}
@media (prefers-color-scheme: dark){:root{--hint-bg:#11261a;--hint-bd:#3fae6c;--hint-ink:#d6f0df}}
.hint{display:flex;align-items:flex-start;gap:10px;border:2px dashed var(--hint-bd);background:var(--hint-bg);color:var(--hint-ink);font-weight:600;font-size:14.5px;line-height:1.45;padding:18px}
.col .hint::before{content:"\2190";flex-shrink:0;font-size:18px;line-height:1.1;font-weight:700}
@media (max-width:960px){.col .hint::before{content:"\2191"}}

/* Etiqueta «N ciclos» en el buscador cuando un grado se comparte entre ciclos */
.shared{flex-shrink:0;align-self:center;margin-left:auto;padding:3px 9px;border-radius:999px;background:var(--hint-bg);color:var(--hint-ink);border:1px solid var(--hint-bd);font-size:12px;font-weight:600;white-space:nowrap}
.opt .txt,.res .txt{flex:1}
.cyc{font-size:12.5px;font-weight:600;color:var(--hint-ink);line-height:1.35}