:root{
  --ink:#0B1F3A;
  --ink-soft:#2C4059;
  --muted:#64798C;
  --paper:#F3F5F4;
  --surface:#FFFFFF;
  --line:#E1E6E5;
  --accent:#0E7C86;
  --accent-bright:#14B8A6;
  --accent-pale:#E4F5F1;
  --mark-1:#1A56DB;
  --mark-2:#0E9F6E;
  --mark-3:#F59E0B;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:'IBM Plex Sans',-apple-system,'Segoe UI',sans-serif;
  background:var(--paper);color:var(--ink-soft);line-height:1.55;
}
a{color:var(--accent);}
.mono{font-family:'IBM Plex Mono',monospace;}

.ls-header{
  background:linear-gradient(155deg,#0B1F3A 0%,#0E2A4C 46%,#123A66 100%);
  color:#EAF3F1;padding:22px 24px;
}
.ls-header-inner{max-width:760px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.ls-header-inner .ls-brand{display:flex;align-items:center;gap:12px;text-decoration:none;}
.ls-header-inner svg{width:32px;height:32px;flex:none;}
.ls-header-inner .name{font-weight:700;font-size:16px;color:#fff;}
.ls-header-inner .sub{font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:.18em;color:#7FD9CB;}
.ls-back-link{
  font-size:13px;color:#C9D8DA;text-decoration:none;white-space:nowrap;
  display:inline-flex;align-items:center;gap:6px;
}
.ls-back-link:hover{color:#fff;}

.ls-wrap{max-width:760px;margin:0 auto;padding:36px 20px 60px;}
.ls-eyebrow{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:8px;}
.ls-title{font-size:26px;font-weight:700;color:var(--ink);margin:0 0 8px;}
.ls-desc{color:var(--muted);margin:0 0 28px;font-size:14.5px;}

.ls-progress{display:flex;gap:6px;margin-bottom:28px;}
.ls-progress i{flex:1;height:4px;border-radius:2px;background:var(--line);display:block;}
.ls-progress i.done{background:var(--accent-bright);}

.ls-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:28px;box-shadow:0 1px 2px rgba(11,31,58,.05),0 10px 30px rgba(11,31,58,.06);}
.ls-step{display:none;}
.ls-step.active{display:block;animation:lsIn .25s ease both;}
@keyframes lsIn{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}

.ls-step h2{font-size:17px;color:var(--ink);margin:0 0 18px;}

.ls-options{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
@media (max-width:560px){.ls-options{grid-template-columns:1fr;}}
.ls-option{position:relative;}
.ls-option input{position:absolute;opacity:0;inset:0;cursor:pointer;margin:0;width:100%;height:100%;}
.ls-option .card{display:block;border:1.5px solid var(--line);border-radius:10px;padding:16px;cursor:pointer;transition:border-color .15s, background .15s;}
.ls-option input:checked + .card{border-color:var(--accent-bright);background:var(--accent-pale);}
.ls-option .card b{display:block;color:var(--ink);font-size:14px;margin-bottom:3px;}
.ls-option .card span{font-size:12.5px;color:var(--muted);}

.ls-field{margin-bottom:16px;}
.ls-field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.ls-field input,.ls-field textarea{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:9px;font-family:inherit;font-size:14px;color:var(--ink);
}
.ls-field input:focus,.ls-field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-pale);}

.ls-price{
  background:var(--ink);color:#EAF3F1;border-radius:12px;padding:18px 20px;margin-bottom:20px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.ls-price .lbl{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:#7FD9CB;}
.ls-price .amount{font-family:'IBM Plex Mono',monospace;font-weight:700;font-size:26px;}
.ls-price .amount span{font-size:12px;color:#7FD9CB;font-weight:600;margin-left:4px;}
.ls-price .note{font-size:11.5px;color:#B9CBCE;max-width:280px;}

.ls-actions{display:flex;justify-content:space-between;gap:10px;margin-top:24px;}
.ls-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:9px;
  border:1px solid transparent;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;
}
.ls-btn-primary{background:var(--ink);color:#fff;}
.ls-btn-primary:hover{background:#132846;}
.ls-btn-outline{background:#fff;border-color:var(--line);color:var(--ink);}
.ls-btn-outline:hover{background:var(--paper);}
.ls-btn[disabled]{opacity:.45;cursor:not-allowed;}

.ls-success{text-align:center;padding:40px 10px;}
.ls-success svg{width:56px;height:56px;color:var(--mark-2);margin-bottom:14px;}
.ls-success h2{color:var(--ink);}
.ls-success p{color:var(--muted);}

.ls-alert{background:#FDECEC;color:#DC2626;padding:12px 14px;border-radius:9px;font-size:13.5px;margin-bottom:18px;}

.ls-checkgroup{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
@media (max-width:560px){.ls-checkgroup{grid-template-columns:1fr;}}

/* .ls-field label{display:block} le gana en especificidad a .ls-checkbox{display:flex};
   por eso el selector compuesto .ls-field .ls-checkbox de abajo. */
.ls-field .ls-checkbox{
  position:relative;display:flex;align-items:center;gap:0;
  padding:12px 14px 12px 40px;border:1.5px solid var(--line);border-radius:9px;
  cursor:pointer;transition:border-color .15s,background .15s;margin-bottom:0;
}
.ls-checkbox input{position:absolute;opacity:0;width:0;height:0;}
.ls-checkbox span{position:relative;font-size:13.5px;color:var(--ink);}
.ls-checkbox b{font-weight:600;}
.ls-checkbox::before{
  content:"";position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;border-radius:5px;border:1.5px solid var(--line);background:#fff;
  transition:border-color .15s,background .15s;box-sizing:border-box;
}
.ls-checkbox::after{
  content:"";position:absolute;left:20px;top:50%;width:5px;height:9px;
  border:solid #fff;border-width:0 2px 2px 0;
  transform:translateY(-65%) rotate(45deg);opacity:0;transition:opacity .1s;
}
.ls-checkbox:has(input:checked)::before{background:var(--accent-bright);border-color:var(--accent-bright);}
.ls-checkbox:has(input:checked)::after{opacity:1;}
.ls-checkbox:has(input:checked){border-color:var(--accent-bright);background:var(--accent-pale);}

.ls-calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;}
.ls-day{
  border:1.5px solid var(--line);border-radius:9px;padding:10px 4px;text-align:center;cursor:pointer;background:#fff;
}
.ls-day .dow{font-size:10px;color:var(--muted);text-transform:uppercase;}
.ls-day .num{font-weight:700;color:var(--ink);font-size:15px;}
.ls-day.disabled{opacity:.35;cursor:not-allowed;}
.ls-day.selected{border-color:var(--accent-bright);background:var(--accent-pale);}

.ls-slots{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:14px;}
@media (max-width:480px){.ls-slots{grid-template-columns:repeat(2,1fr);}}
.ls-slot{border:1.5px solid var(--line);border-radius:9px;padding:9px;text-align:center;cursor:pointer;background:#fff;font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--ink);}
.ls-slot.selected{border-color:var(--accent-bright);background:var(--accent-pale);color:var(--accent);}
.ls-slot.disabled{opacity:.3;cursor:not-allowed;text-decoration:line-through;}