:root{--ac:#566999;--ac2:#6a7db3;--bg:#f4f6fb;--tx:#222a3d;--mut:#6b7590;--bd:#dfe3ef;--ok:#1f8a5b;--er:#b3261e;--r:12px}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--tx)}
input[type=range]{accent-color:var(--ac)}
.top{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:12px 18px;background:#fff;border-bottom:1px solid var(--bd)}
.top h1{margin:0;font-size:1.2rem;color:var(--ac)}
.top .sub{color:var(--mut);font-size:.88rem}
.top .acc{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:6px;background:linear-gradient(135deg,var(--ac2),var(--ac));color:#fff;border:0;border-radius:9px;padding:9px 14px;font:inherit;font-weight:600;cursor:pointer}
.btn:hover{filter:brightness(1.07)}
.btn:disabled{background:#aab3cf;cursor:not-allowed;filter:none}
.btn.sec{background:#eef0f8;color:#33405f}
.btn.sec.on{background:var(--ac);color:#fff}
.btn.peq{padding:6px 10px;font-size:.82rem;border-radius:8px}
.btn.peligro{color:var(--er)}
.grid{display:grid;grid-template-columns:270px minmax(0,1fr) 320px;gap:14px;align-items:start;max-width:1600px;margin:0 auto;padding:14px 18px}
.col{background:#fff;border:1px solid var(--bd);border-radius:var(--r);padding:12px}
.col h2{margin:0 0 8px;font-size:.98rem;color:var(--ac);display:flex;align-items:center;gap:8px}
.col h2 small{font-weight:400;color:var(--mut)}
.hint{color:var(--mut);font-size:.8rem;margin:6px 0}
.sep{height:1px;background:var(--bd);margin:10px 0}
.campo{display:flex;flex-direction:column;gap:4px;margin:6px 0;font-size:.82rem;color:var(--mut);flex:1;min-width:0}
.campo input[type=text],.campo input[type=number],.campo select,.campo textarea{width:100%;padding:7px 9px;border:1px solid var(--bd);border-radius:8px;font:inherit;color:var(--tx);background:#fff}
.campo textarea{resize:vertical}
.campo input[type=color]{width:100%;height:34px;padding:2px;border:1px solid var(--bd);border-radius:8px;background:#fff;cursor:pointer}
.chk{display:flex;align-items:center;gap:7px;margin:6px 0;font-size:.86rem;cursor:pointer}
.chk input{accent-color:var(--ac)}
.fila{display:flex;gap:8px;align-items:flex-end}
.fila.bot{flex-wrap:wrap;margin-top:8px}
select{font:inherit;padding:6px 8px;border:1px solid var(--bd);border-radius:8px;background:#fff}

/* capas */
#listaCapas{display:flex;flex-direction:column;gap:5px;max-height:62vh;overflow:auto;padding-right:2px}
.capa{display:flex;align-items:center;gap:6px;padding:6px 7px;border:1px solid var(--bd);border-radius:10px;cursor:pointer;background:#fff}
.capa:hover{background:#f3f5fb}
.capa.sel{border-color:var(--ac);background:#eef1fa;box-shadow:0 0 0 2px rgba(86,105,153,.2)}
.capa.off{opacity:.45}
.capa .ic{flex:0 0 22px;text-align:center;font-size:1rem;color:var(--ac)}
.capa .nom{flex:1;min-width:0}
.capa .nom b{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:.82rem;line-height:1.2;word-break:break-word}
.capa .nom span{font-size:.72rem;color:var(--mut)}
.capa .bt{border:0;background:#eef0f8;border-radius:6px;padding:3px 6px;font-size:.78rem;cursor:pointer;line-height:1.2}
.capa .bt:hover{background:#dfe3ef}
.capa .bt.del:hover{background:#f9d9d6}
.vacioL{color:var(--mut);font-size:.85rem;padding:8px}

/* lienzo */
.centro{min-width:0}
.barra{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:8px}
.barra .sp{flex:1}
.peqchk{margin:0}
.zoom{font-size:.82rem;color:var(--mut);display:flex;align-items:center;gap:6px}
.estado{font-size:.84rem;color:var(--mut);background:#f7f8fc;border:1px solid var(--bd);border-radius:8px;padding:6px 10px;margin-bottom:8px;min-height:32px}
.estado.err{color:var(--er);border-color:#f0b9b4;background:#fdf1f0}
.estado.ok{color:var(--ok)}
#contLienzo{overflow:auto;max-height:80vh;background:#e9ecf4;border-radius:10px;padding:14px;text-align:center}
#envLienzo{position:relative;display:inline-block;background:#fff;box-shadow:0 2px 14px rgba(40,50,90,.18);line-height:0;text-align:left}
#lienzo{display:block;width:712px;height:1070px;touch-action:none;user-select:none;-webkit-user-select:none}
#lienzo.conectar{cursor:crosshair}
#lienzo [data-id]{cursor:move}
#lienzo .f[data-id]{cursor:pointer}
#lienzo [data-h]{cursor:pointer}
#edTxt{position:absolute;margin:0;padding:0;border:2px dashed var(--ac2);background:rgba(255,255,255,.88);text-align:center;resize:none;overflow:hidden;outline:none;border-radius:8px;line-height:1.15;z-index:3}

@media (max-width:1150px){.grid{grid-template-columns:1fr}}

/* ===== Modelo Canvas: navegación y portada ===== */
.top h1 a{color:inherit;text-decoration:none}
.tabs{display:flex;gap:6px;flex-wrap:wrap}
.tabs a{padding:7px 13px;border-radius:9px;background:#eef0f8;color:#33405f;text-decoration:none;font-weight:600;font-size:.9rem}
.tabs a.act{background:linear-gradient(135deg,var(--ac2),var(--ac));color:#fff}
.grid{grid-template-columns:260px minmax(0,1fr) 330px}
#lienzo{width:1120px;height:auto}
.capa .sw{flex:0 0 18px;height:18px;border-radius:5px;border:1px solid rgba(0,0,0,.35)}
.capa.icono{cursor:default;opacity:.7}
.hub{max-width:1100px;margin:26px auto;padding:0 18px;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}
.tarj{display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--bd);border-radius:14px;padding:14px;text-decoration:none;color:var(--tx);transition:box-shadow .15s,transform .15s}
.tarj:hover{box-shadow:0 8px 24px rgba(60,80,140,.16);transform:translateY(-2px)}
.tarj .mini{background:#f4f6fb;border-radius:10px;padding:8px;display:flex;align-items:center;justify-content:center;height:210px}
.tarj .mini img{max-width:100%;max-height:100%}
.tarj h2{margin:4px 0 0;font-size:1.1rem;color:var(--ac)}
.tarj p{margin:0;color:var(--mut);font-size:.88rem;flex:1}
.tarj .btn{align-self:flex-start}
.pie{text-align:center;color:var(--mut);font-size:.85rem;margin:6px 0 30px}
#lienzo [data-b]{cursor:pointer}