:root{--bg:#f3f5f8;--card:#fff;--ink:#1b2430;--muted:#687385;--line:#dde3ea;--brand:#13325c;--brand2:#1f5fa8;--ok:#1e8e4e;--warn:#b7791f;--err:#b3261e;--accent:#e8f0fb}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;font-size:14px;color:var(--ink);background:var(--bg)}
a{color:var(--brand2);text-decoration:none}a:hover{text-decoration:underline}
header.top{background:var(--brand);color:#fff;display:flex;align-items:center;gap:18px;padding:0 18px;height:52px;position:sticky;top:0;z-index:10}
header.top .brand{display:flex;align-items:center;gap:10px;font-weight:700;color:#fff}
header.top nav a{color:#dfe8f5;margin-right:14px;font-weight:500}header.top nav a.active{color:#fff;border-bottom:2px solid #fff;padding-bottom:4px}
header.top .right{margin-left:auto;color:#cfdcee;font-size:13px}header.top .right a{color:#fff;margin-left:10px}
.logo{background:#fff;color:var(--brand);font-weight:800;border-radius:6px;padding:2px 6px;font-size:13px;letter-spacing:1px}
main{max-width:1280px;margin:0 auto;padding:18px}
h1{font-size:22px;margin:0 0 12px}h2{font-size:17px;margin:18px 0 8px}h3{font-size:15px;margin:14px 0 6px}
.muted{color:var(--muted)}.small{font-size:12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px;margin-bottom:14px}
.row{display:flex;gap:14px;flex-wrap:wrap}.row>*{flex:1 1 280px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media (max-width:900px){.grid2,.grid3{grid-template-columns:1fr}}
table{border-collapse:collapse;width:100%}th,td{border-bottom:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:top}th{background:#f7f9fc;font-weight:600;font-size:12.5px;color:#334}td.n,th.n{text-align:right;font-variant-numeric:tabular-nums}
tr.click{cursor:pointer}tr.click:hover td{background:var(--accent)}
.btn{display:inline-block;border:1px solid var(--line);background:#fff;color:var(--ink);padding:7px 12px;border-radius:7px;cursor:pointer;font-size:13.5px;font-weight:500}
.btn:hover{background:#f3f6fb}.btn.primary{background:var(--brand2);border-color:var(--brand2);color:#fff}.btn.primary:hover{background:#174b86}
.btn.danger{color:var(--err);border-color:#e5b4b0}.btn.small{padding:4px 8px;font-size:12px}.btn:disabled{opacity:.5;cursor:default}
label{display:block;font-size:12.5px;color:#334;margin-bottom:8px}label input,label select,label textarea{display:block;width:100%;margin-top:3px;padding:7px 8px;border:1px solid var(--line);border-radius:6px;font-size:14px;background:#fff;color:var(--ink)}
label.inline{display:flex;align-items:center;gap:8px}label.inline input{width:auto;margin:0}
.form-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px 12px}
.error{color:var(--err);margin-top:8px}.aviso{background:#fff6d6;border:1px solid #e9d08a;padding:8px 10px;border-radius:7px;margin:8px 0;font-size:13px}
.ok{color:var(--ok)}.badge{display:inline-block;background:var(--accent);color:var(--brand);border-radius:12px;padding:1px 8px;font-size:12px;font-weight:600}
.kpis{display:flex;gap:12px;flex-wrap:wrap;margin:8px 0}.kpi{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px;min-width:140px}.kpi b{display:block;font-size:20px}.kpi span{font-size:12px;color:var(--muted)}
.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:10px}.toolbar .sp{flex:1}
svg.sheet{background:#fff;border:1px solid var(--line);border-radius:6px;width:100%;height:auto}
svg.elev{background:#fff;width:100%;height:auto}
.modal-bg{position:fixed;inset:0;background:rgba(10,20,40,.45);display:flex;align-items:center;justify-content:center;z-index:50;padding:16px}
.modal{background:#fff;border-radius:12px;max-width:1100px;width:100%;max-height:92vh;overflow:auto;padding:18px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:12px}.tabs a{padding:8px 12px;border-radius:8px 8px 0 0;color:#334}.tabs a.active{background:#fff;border:1px solid var(--line);border-bottom-color:#fff;margin-bottom:-1px;font-weight:600}
.toast{position:fixed;bottom:18px;right:18px;background:#1b2430;color:#fff;padding:10px 14px;border-radius:8px;z-index:99;box-shadow:0 8px 24px rgba(0,0,0,.25)}
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(160deg,#13325c,#1f5fa8)}
.login-card{background:#fff;border-radius:14px;padding:28px;width:360px;box-shadow:0 20px 60px rgba(0,0,0,.3)}.login-card .brand{display:flex;gap:10px;align-items:center;margin-bottom:18px}.login-card .brand .logo{background:var(--brand);color:#fff;padding:6px 8px}
.login-card .btn{width:100%;margin-top:6px}
pre.code{background:#0f172a;color:#d7e3f4;padding:12px;border-radius:8px;font-size:12px;max-height:420px;overflow:auto}
.pieza-svg{border:1px solid var(--line);background:#fff;border-radius:6px}
.legend span{display:inline-block;margin-right:12px;font-size:12px}.legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:4px;vertical-align:middle}
.empty{padding:28px;text-align:center;color:var(--muted)}
footer{color:var(--muted);font-size:12px;text-align:center;padding:16px}

.modal.wide{max-width:1360px}
.galeria{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px}
.tpl{border:1px solid var(--line);border-radius:10px;padding:8px;background:#fff;cursor:pointer;transition:box-shadow .15s}.tpl:hover{box-shadow:0 4px 14px rgba(0,0,0,.08)}.tpl.sel{outline:2px solid var(--brand2)}.tpl .thumb{height:110px;display:flex;align-items:center;justify-content:center;margin-bottom:6px}.tpl .thumb svg{max-height:110px;width:auto;max-width:100%}.tpl.kit{background:var(--accent)}
h4{font-size:13.5px;margin:10px 0 4px;color:#334}

/* ---- modo fácil ---- */
.hero{display:flex;align-items:center;gap:18px;flex-wrap:wrap;background:linear-gradient(135deg,#13325c,#1f5fa8);color:#fff;border-radius:14px;padding:18px 22px;margin-bottom:16px}.hero .muted{color:#d6e2f2}.hero h1{color:#fff}
.btn.big{font-size:17px;padding:12px 18px;border-radius:10px}
.facil h3{font-size:16px;margin:4px 0 8px}
.opciones{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.opt{background:#fff;border:2px solid var(--line);border-radius:12px;padding:10px;text-align:left;cursor:pointer;font:inherit;color:var(--ink);display:block}.opt:hover{border-color:#9fb8d8}.opt.on{border-color:var(--brand2);background:var(--accent);box-shadow:0 0 0 3px #1f5fa822}.opt .ico{height:64px;display:flex;align-items:center;justify-content:center;margin-bottom:6px}.opt .ico svg{height:60px;width:auto}.opt b{display:block;font-size:14.5px}
.stepper{display:flex;align-items:center;gap:10px;margin:8px 0 6px}.stepper .lbl{width:90px;font-weight:600;font-size:16px}.stepper input{width:120px;font-size:22px;font-weight:700;padding:6px 8px;text-align:center;border:2px solid var(--line);border-radius:10px}.stepper .btn.big{width:52px;font-size:24px;line-height:1;padding:8px 0;text-align:center}.stepper .mm{color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:4px 0 10px}.chip{border:2px solid var(--line);background:#fff;border-radius:999px;padding:8px 14px;font-size:15px;font-weight:600;cursor:pointer;color:var(--ink)}.chip:hover{border-color:#9fb8d8}.chip.on{background:var(--brand2);border-color:var(--brand2);color:#fff}
.sticky{position:sticky;top:64px}.prev{text-align:center}.prev .dims{display:flex;justify-content:center;gap:16px;font-weight:600;color:#334;margin-top:4px}
.acciones{display:flex;flex-direction:column;gap:8px;margin-top:8px}.acciones .btn{text-align:center}
@media (max-width:900px){.sticky{position:static}}