:root{--primary:#392870;--accent:#E7257F;--g1:#5F007E;--g2:#E8007A;--gray:#E5E5E5;--lilac:#E1D9FF;--bg:#F6F4FB;--text:#1f1a33;--muted:#6b6585;--radius:14px}
*{box-sizing:border-box}html,body{margin:0}body{font-family:Montserrat,system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:15px}
a{color:var(--primary)}.hidden{display:none!important}.loading{padding:40px;text-align:center}
.grad{background:linear-gradient(135deg,var(--g1),var(--g2))}
/* login */
.login-wrap{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr}
.login-hero{color:#fff;padding:56px;display:flex;flex-direction:column;justify-content:space-between}
.login-hero img{height:56px;align-self:flex-start}.login-hero h1{font-size:2.4rem;line-height:1.15;margin:0 0 12px}.login-hero p{opacity:.9;max-width:420px}
.login-form{display:flex;align-items:center;justify-content:center;padding:32px}
.login-card{width:100%;max-width:380px}.login-card h2{color:var(--primary);margin:0 0 6px}.login-card .sub{color:var(--muted);margin:0 0 24px}
.login-card .logo-m{display:none;height:44px;margin-bottom:24px}
/* layout */
.shell{display:flex;min-height:100vh}
.sidebar{width:250px;color:#fff;padding:24px 16px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.sidebar img{height:42px;margin:0 8px 28px;align-self:flex-start}
.nav a{display:flex;gap:10px;align-items:center;color:#fff;text-decoration:none;padding:11px 14px;border-radius:10px;font-weight:500;margin-bottom:4px;opacity:.85}
.nav a:hover{background:rgba(255,255,255,.12);opacity:1}.nav a.active{background:#fff;color:var(--primary);opacity:1;font-weight:700}
.side-foot{margin-top:auto;font-size:.85rem;padding:8px}.side-foot b{display:block}.side-foot button{margin-top:10px;width:100%}
.main{flex:1;min-width:0;padding:28px 32px}
.topbar{display:none}
h1.page{color:var(--primary);font-size:1.6rem;margin:0 0 4px}.page-sub{color:var(--muted);margin:0 0 22px}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.spacer{flex:1}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:22px}
.card{background:#fff;border-radius:var(--radius);padding:20px;box-shadow:0 2px 10px rgba(57,40,112,.06)}
.kpi .label{color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;font-weight:600}.kpi .value{font-size:1.7rem;font-weight:800;color:var(--primary);margin-top:6px}
.kpi.hl{color:#fff;background:linear-gradient(135deg,var(--g1),var(--g2))}.kpi.hl .label,.kpi.hl .value{color:#fff}
.panel{background:#fff;border-radius:var(--radius);padding:20px;box-shadow:0 2px 10px rgba(57,40,112,.06);margin-bottom:22px}
.panel h3{margin:0 0 14px;color:var(--primary);font-size:1.05rem}
.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:.9rem}
th{text-align:left;font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);padding:10px;border-bottom:2px solid var(--gray);white-space:nowrap}
td{padding:10px;border-bottom:1px solid var(--gray);vertical-align:middle}tr:hover td{background:#faf8ff}
td.num,th.num{text-align:right;white-space:nowrap}tfoot td{font-weight:700;border-top:2px solid var(--gray)}
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:.75rem;font-weight:600;background:var(--lilac);color:var(--primary)}
.badge.off{background:var(--gray);color:var(--muted)}.badge.pink{background:#fde3ef;color:var(--accent)}
.btn{font-family:inherit;font-size:.9rem;font-weight:600;border:0;border-radius:10px;padding:10px 18px;cursor:pointer;background:var(--primary);color:#fff;text-decoration:none;display:inline-block}
.btn:hover{filter:brightness(1.1)}.btn.accent{background:var(--accent)}.btn.ghost{background:var(--lilac);color:var(--primary)}.btn.light{background:rgba(255,255,255,.18);color:#fff}
.btn.sm{padding:6px 12px;font-size:.8rem}.btn.danger{background:#fff;color:#c0264f;border:1px solid #f1c3d2}.btn.full{width:100%}
label{display:block;font-size:.8rem;font-weight:600;color:var(--muted);margin-bottom:5px}
input,select{font-family:inherit;font-size:.95rem;width:100%;padding:10px 12px;border:1.5px solid var(--gray);border-radius:10px;background:#fff;color:var(--text)}
input:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--lilac)}
.field{margin-bottom:14px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
.inline{width:auto}.err{color:#c0264f;font-size:.85rem;min-height:1.2em}
.modal{position:fixed;inset:0;background:rgba(31,26,51,.5);display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;overflow:auto;z-index:50}
.modal-box{background:#fff;border-radius:var(--radius);padding:24px;width:100%;max-width:620px}.modal-box h3{margin-top:0;color:var(--primary)}
.toast{position:fixed;bottom:20px;right:20px;background:var(--primary);color:#fff;padding:12px 18px;border-radius:10px;z-index:60;font-weight:600}
.demo-note{background:#fde3ef;color:var(--accent);padding:8px 12px;border-radius:10px;font-size:.8rem;font-weight:600;margin-bottom:16px}
.drop{border:2px dashed var(--lilac);border-radius:var(--radius);padding:20px;text-align:center;color:var(--muted)}
.clickable{cursor:pointer}.muted{color:var(--muted)}
.mcards{display:none}
@media (max-width:860px){
 .login-wrap{grid-template-columns:1fr}.login-hero{display:none}.login-card .logo-m{display:block}
 .sidebar{position:fixed;left:0;top:0;z-index:40;transform:translateX(-100%);transition:.2s}.sidebar.open{transform:none}
 .topbar{display:flex;align-items:center;justify-content:space-between;color:#fff;padding:12px 16px;position:sticky;top:0;z-index:30}
 .topbar img{height:30px}.shell{flex-direction:column}.main{padding:18px 14px}.grid2{grid-template-columns:1fr}
 .kpi .value{font-size:1.35rem}.cards{grid-template-columns:1fr 1fr;gap:10px}
 table.resp thead{display:none}table.resp tr{display:block;border:1px solid var(--gray);border-radius:12px;margin-bottom:10px;padding:6px}
 table.resp td{display:flex;justify-content:space-between;border:0;padding:6px 8px;text-align:right}table.resp td::before{content:attr(data-l);font-weight:600;color:var(--muted);text-align:left;margin-right:10px}
 table.resp tfoot td::before{content:''}table.resp tfoot td:empty{display:none}
}

/* Emitir factura: lecturas y vista previa responsive */
.lect-title{font-weight:700;color:var(--primary);margin:6px 0 8px;text-transform:uppercase;font-size:.8rem;letter-spacing:.04em}
.lect-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.lect-p{border:1px solid #e6e1f3;border-radius:12px;padding:10px 12px;min-width:0}
.lect-h{font-weight:700;color:var(--primary);margin-bottom:6px}
.lect-p .field{margin-bottom:8px}.lect-p input{width:100%;min-width:0;box-sizing:border-box;font-size:1.05rem;text-align:right}
.lect-k{font-size:.9rem}
#prev .pl{display:flex;align-items:baseline;gap:10px;padding:2px 0}
#prev .pl-l{flex:1 1 auto;min-width:0}#prev .pl-v{flex:0 0 auto;white-space:nowrap;text-align:right;font-variant-numeric:tabular-nums}
#prev .pl.tot{font-size:1.2rem;font-weight:800;color:var(--accent);margin-top:6px;border-top:1px solid #e6e1f3;padding-top:6px}
@media (max-width:640px){.lect-grid{grid-template-columns:1fr}.lect-p{display:grid;grid-template-columns:1fr 1fr;column-gap:10px}.lect-h,.lect-k{grid-column:1/-1}#prev .pl-l{font-size:.92rem}}