/* Club 30 · estilos compartidos */
:root{
  --ink:#111318; --ink2:#2A2E36; --paper:#F5F4EF; --card:#FFFFFF; --line:#E4E2DA; --mute:#6B6F78;
  --lime:#C6F432; --lime-d:#9BC70F; --lime-ink:#1B2400; --blue:#3D5AFE; --amber:#F2A541; --red:#D64545; --green:#1F8A5B;
  --r:14px; --r-s:10px; --sh:0 1px 2px rgba(17,19,24,.06),0 6px 24px rgba(17,19,24,.06);
  --fh:'Bricolage Grotesque',system-ui,sans-serif; --fb:'Figtree',system-ui,-apple-system,Segoe UI,sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--fb);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--blue)}
h1,h2,h3,h4{font-family:var(--fh);line-height:1.12;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(30px,6vw,52px);font-weight:800}
h2{font-size:clamp(22px,3.6vw,32px);font-weight:800}
h3{font-size:19px;font-weight:700}
p{margin:0 0 .8em}
small,.mute{color:var(--mute)}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.between{justify-content:space-between}
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;box-shadow:var(--sh)}
.card.ink{background:var(--ink);color:#fff;border-color:var(--ink)}
.card.lime{background:var(--lime);border-color:var(--lime-d);color:var(--lime-ink)}
.card h3{margin-bottom:.35em}
.stack>*+*{margin-top:12px}
.hide{display:none!important}
.center{text-align:center}
.num{font-family:var(--fh);font-weight:800;font-variant-numeric:tabular-nums}

/* botones */
.btn{appearance:none;border:0;cursor:pointer;font:inherit;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:10px 18px;border-radius:12px;background:var(--ink);color:var(--lime);text-decoration:none;transition:transform .08s,opacity .15s;white-space:nowrap}
.btn:active{transform:scale(.98)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.lime{background:var(--lime);color:var(--lime-ink)}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn.white{background:#fff;color:var(--ink)}
.btn.sm{min-height:36px;padding:6px 12px;font-size:14px;border-radius:10px}
.btn.xs{min-height:30px;padding:4px 10px;font-size:13px;border-radius:8px}
.btn.wa{background:#1FAF55;color:#fff}
.btn.tg{background:#2AABEE;color:#fff}
.btn.red{background:var(--red);color:#fff}
.btn.block{width:100%}
.linkbtn{background:none;border:0;color:var(--blue);font:inherit;cursor:pointer;padding:0;text-decoration:underline}

/* chips y badges */
.chip{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:13px;font-weight:600;background:#EFEDE6;color:var(--ink2);white-space:nowrap}
.chip.lime{background:var(--lime);color:var(--lime-ink)}
.chip.ink{background:var(--ink);color:var(--lime)}
.chip.green{background:#DDF3E8;color:#155E3E}
.chip.amber{background:#FDEBD0;color:#8A5300}
.chip.red{background:#FBE1E1;color:#8E2424}
.chip.blue{background:#E2E7FF;color:#2638A8}

/* formularios */
label{display:block;font-weight:600;font-size:14px;margin:0 0 6px}
.field{margin-bottom:14px}
.hint{font-size:13px;color:var(--mute);margin-top:4px}
input,select,textarea{width:100%;font:inherit;font-size:16px;color:var(--ink);background:#fff;border:1.5px solid var(--line);border-radius:var(--r-s);padding:11px 12px;min-height:46px;outline:none}
textarea{min-height:96px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(198,244,50,.55)}
.check{display:flex;gap:10px;align-items:flex-start;font-weight:500;font-size:15px;cursor:pointer}
.check input{width:22px;height:22px;min-height:0;flex:0 0 22px;margin-top:2px;accent-color:var(--ink)}
.opts{display:grid;gap:8px}
.opt{display:flex;gap:10px;align-items:center;border:1.5px solid var(--line);border-radius:12px;padding:11px 12px;cursor:pointer;background:#fff;font-weight:500}
.opt input{width:20px;height:20px;min-height:0;flex:0 0 20px;accent-color:var(--ink)}
.opt:has(input:checked){border-color:var(--ink);background:#FAFFE8}
.opt.ok{border-color:var(--green);background:#EAF7EF}
.opt.bad{border-color:var(--red);background:#FDEEEE}
.seg{display:flex;flex-wrap:wrap;gap:6px}
.seg button{border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:7px 13px;font:inherit;font-size:14px;font-weight:600;cursor:pointer;color:var(--ink2)}
.seg button.on{background:var(--ink);color:var(--lime);border-color:var(--ink)}

/* progreso */
.bar{height:10px;border-radius:99px;background:#E7E5DD;overflow:hidden}
.bar>i{display:block;height:100%;background:var(--ink);border-radius:99px;transition:width .4s}
.bar.lime>i{background:var(--lime-d)}
.dots{display:flex;gap:6px}
.dots i{flex:1;height:8px;border-radius:9px;background:#E7E5DD}
.dots i.on{background:var(--lime-d)}

/* tablas */
.table{width:100%;border-collapse:collapse;font-size:14px}
.table th,.table td{text-align:left;padding:9px 8px;border-bottom:1px solid var(--line);vertical-align:top}
.table th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--mute);font-weight:700}
.scroll-x{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* modal y toast */
.modal-bg{position:fixed;inset:0;background:rgba(17,19,24,.55);display:none;align-items:flex-end;justify-content:center;z-index:50;padding:0}
.modal-bg.open{display:flex}
.modal{background:var(--paper);width:100%;max-width:640px;max-height:92vh;overflow:auto;border-radius:20px 20px 0 0;padding:20px 16px 28px;position:relative}
@media(min-width:700px){.modal-bg.open{align-items:center}.modal{border-radius:20px;padding:24px}}
.modal .x{position:absolute;top:10px;right:10px;width:40px;height:40px;border-radius:50%;border:0;background:#E7E5DD;font-size:20px;cursor:pointer}
#toast{position:fixed;left:50%;bottom:86px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:12px 18px;border-radius:12px;font-weight:600;z-index:80;opacity:0;pointer-events:none;transition:opacity .2s;max-width:92vw;text-align:center}
#toast.on{opacity:1}
#toast.err{background:var(--red)}

/* contenido de lecciones (markdown) */
.md h2{font-size:22px;margin-top:1.3em}
.md h2:first-child{margin-top:0}
.md ul,.md ol{padding-left:22px;margin:.4em 0 1em}
.md li{margin:.25em 0}
.md blockquote{margin:1em 0;padding:12px 14px;border-left:4px solid var(--lime-d);background:#FAFFE8;border-radius:0 10px 10px 0}
.md table{width:100%;border-collapse:collapse;font-size:14px;margin:.6em 0 1.2em;display:block;overflow-x:auto}
.md th,.md td{border:1px solid var(--line);padding:8px;text-align:left;vertical-align:top}
.md th{background:#EFEDE6}
.mision{border:2px dashed var(--ink);border-radius:12px;padding:12px 14px;margin:1em 0;background:#fff}
.mision b{display:block;margin-bottom:4px}

/* marca */
.brand{display:flex;align-items:center;gap:10px;font-family:var(--fh);font-weight:800;font-size:20px;text-decoration:none;color:inherit}
.brand .b30{width:38px;height:38px;border-radius:11px;background:var(--lime);color:var(--lime-ink);display:grid;place-items:center;font-size:17px;letter-spacing:-.04em}
.topbar{position:sticky;top:0;z-index:20;background:rgba(245,244,239,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;min-height:62px;gap:10px}

/* chat de ayuda */
.fab{position:fixed;right:16px;bottom:84px;width:58px;height:58px;border-radius:50%;background:var(--ink);color:var(--lime);border:0;box-shadow:0 8px 24px rgba(0,0,0,.25);font-size:24px;cursor:pointer;z-index:40}
@media(min-width:900px){.fab{bottom:24px}}
.chat{display:flex;flex-direction:column;gap:8px;max-height:52vh;overflow:auto;padding:4px 2px 10px}
.msg{max-width:86%;padding:10px 12px;border-radius:14px;font-size:15px;white-space:pre-wrap}
.msg.me{align-self:flex-end;background:var(--ink);color:#fff;border-bottom-right-radius:4px}
.msg.bot{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{transition-duration:.01ms!important;animation-duration:.01ms!important}}