:root{
  --ink:#0B111A;
  --surface:#141D2B;
  --surface2:#1B2636;
  --line:#26344A;
  --text:#E9EFF7;
  --muted:#7B8DA6;
  --blue:#4C9AFF;
  --zone:#2FD98A;
  --ceiling:#FFB020;
  --red:#FF5C5C;
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--ink);color:var(--text);
  font-family:'Inter',system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}
body{min-height:100vh;padding:0 0 40px}
.wrap{max-width:480px;margin:0 auto;padding:0 18px}

/* Puerta */
.gate{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:14px}
.gate-bib{font-family:'Bebas Neue',Impact,sans-serif;font-size:96px;line-height:.85;color:var(--blue)}
.gate-lb{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--muted);margin-bottom:24px}
.gate input{width:200px;background:var(--surface);border:1px solid var(--line);color:var(--text);
  border-radius:10px;padding:14px;font-family:'JetBrains Mono',monospace;font-size:20px;
  text-align:center;letter-spacing:.3em}
.gate input:focus{outline:2px solid var(--blue);border-color:transparent}
.gate button{width:200px}

/* Cabecera */
header{padding:26px 0 16px;display:flex;justify-content:space-between;align-items:flex-end;
  border-bottom:1px solid var(--line)}
.brand{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--muted);line-height:1.7}
.brand b{color:var(--text);font-weight:700;display:block}
.bib{text-align:right;line-height:.82}
.bib .n{font-family:'Bebas Neue',Impact,sans-serif;font-size:52px;color:var(--blue)}
.bib .l{font-family:'JetBrains Mono',monospace;font-size:9px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--muted);padding-top:6px}

/* Pestañas */
nav{display:flex;gap:2px;margin:16px 0 22px;background:var(--surface);padding:3px;border-radius:10px}
nav button{flex:1;background:none;border:0;color:var(--muted);font-family:'JetBrains Mono',monospace;
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;padding:10px;border-radius:8px;
  cursor:pointer;transition:.18s}
nav button[aria-selected="true"]{background:var(--surface2);color:var(--text)}
nav button:focus-visible{outline:2px solid var(--blue);outline-offset:1px}

/* Sesión */
.eyebrow{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.session{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;margin-bottom:14px}
.session .kind{display:inline-block;font-family:'JetBrains Mono',monospace;font-size:9px;
  letter-spacing:.16em;text-transform:uppercase;padding:4px 8px;border-radius:5px;margin-bottom:12px}
.k-rodaje{background:rgba(76,154,255,.14);color:var(--blue)}
.k-larga{background:rgba(255,176,32,.14);color:var(--ceiling)}
.k-fuerza,.k-parque{background:rgba(47,217,138,.14);color:var(--zone)}
.k-descanso{background:rgba(123,141,166,.14);color:var(--muted)}
.session h1{font-family:'Bebas Neue',Impact,sans-serif;font-size:40px;line-height:.95;font-weight:400}
.session .sub{color:var(--muted);font-size:14px;margin-top:8px;line-height:1.5}

/* FIRMA: la regla de pulso */
.pulse{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 20px 14px;margin-bottom:14px}
.pulse .cap{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:18px}
.pulse .cap span{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted)}
.pulse .cap b{font-family:'Bebas Neue',Impact,sans-serif;font-size:26px;font-weight:400;
  color:var(--zone);letter-spacing:.02em}
.ruler{position:relative;height:60px}
.track{position:absolute;top:16px;left:0;right:0;height:10px;border-radius:5px;
  background:linear-gradient(90deg,#2B4468 0%,#2B4468 24%,var(--zone) 24%,var(--zone) 45%,
    #5E4A2A 45%,#5E4A2A 72%,#5A2E33 72%,#5A2E33 100%)}
.mark{position:absolute;top:0;transform:translateX(-50%);text-align:center}
.mark i{display:block;width:2px;height:32px;background:var(--text);margin:0 auto;opacity:.9}
.mark.ceil i{background:var(--ceiling);width:3px}
.mark span{display:block;font-family:'JetBrains Mono',monospace;font-size:9px;color:var(--muted);
  padding-top:5px;white-space:nowrap}
.mark.ceil span{color:var(--ceiling);font-weight:700}
.scale{position:absolute;bottom:0;left:0;right:0;display:flex;justify-content:space-between;
  font-family:'JetBrains Mono',monospace;font-size:9px;color:#4A5A72}

/* Notas */
.notes{list-style:none}
.notes li{background:var(--surface);border:1px solid var(--line);border-left:2px solid var(--blue);
  border-radius:8px;padding:12px 14px;margin-bottom:8px;font-size:14px;line-height:1.5}
.notes li.warn{border-left-color:var(--ceiling)}
.notes li.stop{border-left-color:var(--red)}

/* Registro */
details{margin-top:18px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden}
summary{padding:15px 18px;cursor:pointer;font-family:'JetBrains Mono',monospace;font-size:11px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--blue);list-style:none}
summary::-webkit-details-marker{display:none}
summary:focus-visible{outline:2px solid var(--blue);outline-offset:-2px}
.form{padding:0 18px 18px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
.form label{display:block;font-family:'JetBrains Mono',monospace;font-size:9px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.form input{width:100%;background:var(--ink);border:1px solid var(--line);color:var(--text);
  border-radius:8px;padding:11px;font-family:'JetBrains Mono',monospace;font-size:15px;text-align:center}
.form input:focus{outline:2px solid var(--blue);border-color:transparent}
.form .full{grid-column:1/-1}
button.save{width:100%;background:var(--blue);color:#06101F;border:0;border-radius:8px;padding:13px;
  font-weight:600;font-size:14px;cursor:pointer;font-family:'Inter',sans-serif}
button.save:active{transform:translateY(1px)}
button.save:disabled{opacity:.5;cursor:default}
.msg{grid-column:1/-1;font-size:13px;color:var(--zone);text-align:center;min-height:18px}

/* Progreso */
.stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.stat .v{font-family:'Bebas Neue',Impact,sans-serif;font-size:38px;line-height:1;font-weight:400}
.stat .k{font-family:'JetBrains Mono',monospace;font-size:9px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);margin-top:6px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;margin-bottom:14px}
.panel h2{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted);font-weight:400;margin-bottom:4px}
.panel .hint{font-size:12px;color:var(--muted);margin-bottom:14px;line-height:1.5}
.empty{font-size:13px;color:var(--muted);text-align:center;padding:26px 10px;line-height:1.6}
.bars{display:flex;align-items:flex-end;gap:8px;height:110px;margin-top:6px}
.bar{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:5px;height:100%}
.bar .col{width:100%;border-radius:4px 4px 0 0;background:var(--surface2);display:flex;align-items:flex-end}
.bar .fill{width:100%;background:var(--blue);border-radius:4px 4px 0 0;min-height:2px}
.bar .fill.over{background:var(--ceiling)}
.bar .lb{font-family:'JetBrains Mono',monospace;font-size:9px;color:var(--muted)}
.legend{display:flex;gap:14px;font-family:'JetBrains Mono',monospace;font-size:9px;color:var(--muted);
  margin-top:12px;text-transform:uppercase;letter-spacing:.1em}
.legend i{display:inline-block;width:8px;height:8px;border-radius:2px;margin-right:5px;vertical-align:middle}
.next{background:linear-gradient(180deg,var(--surface),var(--surface2));border:1px solid var(--line);
  border-radius:var(--radius);padding:18px}
.next h2{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted);font-weight:400;margin-bottom:10px}
.next p{font-size:14px;line-height:1.6}
.next b{color:var(--blue)}
footer{text-align:center;font-family:'JetBrains Mono',monospace;font-size:9px;color:#3D4B60;
  letter-spacing:.12em;text-transform:uppercase;padding-top:24px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}