:root{
  color-scheme:light;
  --paper:#f5f7fc;
  --surface:#ffffff;
  --surface-2:#eef2fb;
  --border:#dbe2f2;
  --ink:#0b1628;
  --ink-soft:#4b5a72;
  --slate:#64748b;
  --navy:#0f2044;
  --indigo:#3b5bdb;
  --indigo-ink:#ffffff;
  --indigo-soft:#ecf0fd;
  --blue:#1e56b0;
  --green:#187a4e;
  --green-soft:#e5f5ec;
  --red:#c8342c;
  --red-soft:#fbeae9;
  --amber:#b4661a;
  --amber-soft:#faf0e1;
  --violet:#7141c9;
  --violet-soft:#f1ebfb;
  --shadow:0 1px 2px rgba(15,32,68,.05), 0 10px 28px -14px rgba(15,32,68,.22);
  --radius:14px;
}
/* Tema siempre claro a propósito: el sitio original no tiene modo oscuro,
   así que esta copia ignora prefers-color-scheme y no cambia con el sistema. */

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--paper); color:var(--ink);
  font-family:'Plus Jakarta Sans', ui-sans-serif, system-ui, sans-serif;
  font-size:15px; line-height:1.5;
}
h1,h2,h3,.brand{font-family:'Lora', Georgia, serif}
.mono{font-family:'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace}
.tabnum{font-variant-numeric:tabular-nums}
a{color:var(--indigo)}
[hidden]{display:none !important}

/* ---------- header chrome (util bar / breadcrumb / account bar) ---------- */
.util-bar{background:#0a1128;padding:8px 0}
.util-inner{
  max-width:1180px;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.announce{font-size:.75rem;color:#aab6cf}
.announce strong{color:#fff}
.util-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.util-nav a{
  color:#c3cce4;text-decoration:none;font-size:.78rem;font-weight:600;
  padding:5px 10px;border-radius:7px;transition:background .15s ease,color .15s ease;
}
.util-nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.util-nav a.active{color:#fff;font-weight:700}

.breadcrumb-bar{background:#132a5e;padding:12px 0}
.breadcrumb-inner{
  max-width:1180px;margin:0 auto;padding:0 24px;
  text-align:center;color:#e7ecfb;font-family:'Lora',Georgia,serif;font-size:.98rem;font-weight:600;
}

.account-bar{background:var(--surface);border-bottom:1px solid var(--border);box-shadow:0 2px 10px -6px rgba(15,32,68,.2)}
.account-inner{
  max-width:1180px;margin:0 auto;padding:12px 24px;
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.acc-user{display:flex;align-items:center;gap:6px;font-size:.85rem;font-weight:700;color:var(--ink)}
.pill{
  display:inline-flex;align-items:center;gap:5px;
  border-radius:999px;padding:5px 12px;font-size:.76rem;font-weight:600;white-space:nowrap;
}
.pill-info{background:var(--indigo-soft);color:var(--indigo)}
.pill-ghost{background:var(--surface-2);color:var(--ink-soft);border:1px solid var(--border)}
.acc-spacer{flex:1}
.btn-cta{
  display:inline-flex;align-items:center;gap:6px;text-decoration:none;
  background:var(--green);color:#fff;border-radius:999px;padding:8px 16px;
  font-size:.8rem;font-weight:700;box-shadow:0 4px 14px -6px rgba(24,122,78,.5);
  transition:filter .15s ease;
}
.btn-cta:hover{filter:brightness(1.08)}

/* ---------- layout ---------- */
main{max-width:1180px;margin:0 auto;padding:26px 24px 60px}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:18px}
.page-head h1{font-size:1.7rem;margin:0 0 4px;font-weight:600;text-wrap:balance}
.page-head p{margin:0;color:var(--ink-soft);font-size:.92rem;max-width:60ch}

/* ---------- footer chrome ---------- */
.site-footer{background:#0a1128;color:#c3cce4;margin-top:20px}
.footer-inner{max-width:1180px;margin:0 auto;padding:36px 24px 20px;display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:'Lora',Georgia,serif;font-weight:700;color:#fff;font-size:1rem}
.footer-brand .mark{
  width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--indigo),#6f8bef);
  display:flex;align-items:center;justify-content:center;color:#0a1220;font-family:'JetBrains Mono',monospace;font-weight:700;font-size:12px;flex-shrink:0;
}
.footer-blurb{max-width:46ch;font-size:.8rem;line-height:1.6;color:#98a4c2;margin-top:10px}
.footer-links{display:flex;flex-direction:column;gap:8px;font-size:.82rem}
.footer-links a{color:#c3cce4;text-decoration:none}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-bottom{
  max-width:1180px;margin:0 auto;padding:14px 24px 26px;border-top:1px solid rgba(255,255,255,.08);
  font-size:.74rem;color:#7c8ab0;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;
}

/* ---------- bottom controls row ---------- */
.controls-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:18px}

.note{
  display:flex;gap:10px;align-items:flex-start;
  background:var(--indigo-soft);border:1px solid var(--border);
  border-radius:12px;padding:12px 14px;font-size:.82rem;color:var(--ink-soft);margin-bottom:18px;
}
.note b{color:var(--ink)}

/* ---------- toolbar & buttons ---------- */
.toolbar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:12px 14px;box-shadow:var(--shadow);
  margin-bottom:18px;
}
.toolbar .group{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.toolbar .sep{width:1px;height:26px;background:var(--border);margin:0 4px}
.toolbar .spacer{flex:1}

button{font:inherit;cursor:pointer}
.btn{
  display:inline-flex;align-items:center;gap:7px;
  border-radius:999px;border:1px solid var(--border);
  background:var(--surface-2);color:var(--ink);
  padding:8px 15px;font-size:.85rem;font-weight:600;
  transition:transform .12s ease, background .15s ease, box-shadow .15s ease;
}
.btn:hover{background:var(--indigo-soft)}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid var(--indigo);outline-offset:2px}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.btn-primary{background:var(--indigo);color:var(--indigo-ink);border-color:transparent;box-shadow:0 4px 14px -6px rgba(59,91,219,.55)}
.btn-primary:hover{filter:brightness(1.06)}
.btn-outline{background:var(--surface);color:var(--indigo);border:1px solid var(--indigo)}
.btn-outline:hover{background:var(--indigo-soft)}
.btn-ghost{background:transparent}
.btn-icon{width:16px;text-align:center;font-size:.9em}

.timer-pill{display:flex;align-items:center;gap:8px;background:var(--surface-2);border:1px solid var(--border);border-radius:9px;padding:7px 12px}
.timer-pill .time{font-size:1.05rem;font-weight:600;letter-spacing:.5px}
.timer-pill .label{font-size:.72rem;color:var(--slate);text-transform:uppercase;letter-spacing:.5px}

.stat-pill{display:flex;flex-direction:column;align-items:flex-start;background:var(--surface-2);border:1px solid var(--border);border-radius:9px;padding:6px 12px}
.stat-pill .num{font-size:1.05rem;font-weight:700}
.stat-pill .lbl{font-size:.68rem;color:var(--slate);text-transform:uppercase;letter-spacing:.5px}

select, input[type="number"], input[type="text"]{
  font:inherit;border:1px solid var(--border);border-radius:8px;
  background:var(--surface);color:var(--ink);padding:6px 10px;font-size:.85rem;
}

/* ---------- panels ---------- */
.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:18px}
.panel-title{margin:0 0 10px;font-size:.72rem;text-transform:uppercase;letter-spacing:.6px;color:var(--slate);font-weight:700}

.settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px 22px}
.setting{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.setting .txt strong{display:block;font-size:.85rem}
.setting .txt small{color:var(--slate);font-size:.74rem}

.switch{position:relative;width:40px;height:22px;flex-shrink:0}
.switch input{opacity:0;width:0;height:0}
.switch .track{position:absolute;inset:0;background:var(--border);border-radius:999px;transition:background .15s ease;cursor:pointer}
.switch .track::before{content:"";position:absolute;width:16px;height:16px;left:3px;top:3px;background:#fff;border-radius:50%;transition:transform .15s ease;box-shadow:0 1px 3px rgba(0,0,0,.3)}
.switch input:checked + .track{background:var(--indigo)}
.switch input:checked + .track::before{transform:translateX(18px)}
.switch input:focus-visible + .track{outline:2px solid var(--indigo);outline-offset:2px}

.text-field{display:flex;flex-direction:column;gap:4px}
.text-field label{font-size:.72rem;color:var(--slate);text-transform:uppercase;letter-spacing:.5px}

/* ---------- results ---------- */
.results{display:none;margin-bottom:18px}
.results.show{display:block}
.stat-row{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:14px}
@media (max-width:780px){ .stat-row{grid-template-columns:repeat(2,1fr)} }
.stat-tile{background:var(--surface-2);border:1px solid var(--border);border-radius:12px;padding:12px 14px}
.stat-tile .v{font-size:1.35rem;font-weight:700;font-family:'JetBrains Mono',monospace}
.stat-tile .k{font-size:.72rem;color:var(--slate);text-transform:uppercase;letter-spacing:.4px;margin-top:2px}
.stat-tile.accent .v{color:var(--indigo)}
.stat-tile.good .v{color:var(--green)}
.stat-tile.bad .v{color:var(--red)}

.legend{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:12px;font-size:.76rem;color:var(--ink-soft)}
.legend .item{display:flex;align-items:center;gap:6px}
.legend .swatch{width:10px;height:10px;border-radius:3px}

/* ---------- faq ---------- */
.faq details{border-bottom:1px solid var(--border);padding:12px 2px}
.faq details:last-child{border-bottom:none}
.faq summary{cursor:pointer;font-weight:600;font-size:.9rem;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";display:inline-block;width:16px;color:var(--indigo);font-weight:700}
.faq details[open] summary::before{content:"–"}
.faq p{margin:8px 0 2px 16px;color:var(--ink-soft);font-size:.86rem}

/* ---------- history table ---------- */
table.hist{width:100%;border-collapse:collapse;font-size:.82rem}
table.hist th, table.hist td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--border)}
table.hist th{color:var(--slate);font-weight:600;font-size:.7rem;text-transform:uppercase;letter-spacing:.4px}
table.hist td.num{font-family:'JetBrains Mono',monospace;font-variant-numeric:tabular-nums}
.hist-empty{color:var(--slate);font-size:.85rem;padding:6px 2px}

/* ---------- hub cards (index) ---------- */
.hub-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin-top:22px}
.hub-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:22px;text-decoration:none;color:var(--ink);
  transition:transform .15s ease, box-shadow .15s ease;
}
.hub-card:hover{transform:translateY(-3px);box-shadow:0 1px 2px rgba(15,32,68,.06), 0 18px 34px -16px rgba(15,32,68,.32)}
.hub-card .icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:1.3rem;background:var(--indigo-soft);color:var(--indigo);
}
.hub-card h2{margin:0;font-size:1.15rem}
.hub-card p{margin:0;color:var(--ink-soft);font-size:.86rem;line-height:1.6}
.hub-card .go{margin-top:auto;font-size:.8rem;font-weight:700;color:var(--indigo)}

@media print{
  .util-bar,.breadcrumb-bar,.account-bar,.toolbar,.controls-row,.results,.panel,.note,.site-footer,.faq{display:none !important}
  body{background:#fff;color:#000}
  main{padding:0;max-width:100%}
}