:root{
  --accent:#b06a47;        /* acento: terracota / barro */
  --accent-d:#8c5237;      /* terracota oscuro */
  --accent-2:#7d8b5a;      /* secundario: oliva / salvia */
  --bg:#efe9dd;            /* fondo app: arena cálida */
  --panel:#faf6ee;         /* paneles: crema */
  --line:#e3d9c8;          /* separadores: lino */
  --txt:#3a2f24;           /* texto: tierra oscura */
  --muted:#8a7c69;         /* texto secundario: topo */
  --hover:#f3ece0;         /* fondo hover suave */
  --shadow:0 1px 3px rgba(70,50,30,.10),0 8px 22px rgba(70,50,30,.07);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--txt);background:var(--bg)}
button{font-family:inherit}

/* Cabecera */
#top{display:flex;flex-direction:column;padding:0 16px;background:var(--panel);border-bottom:1px solid var(--line);box-shadow:var(--shadow);position:relative;z-index:5}
.top-row{display:flex;align-items:center;gap:14px;min-height:50px}
.top-row.top-menu{min-height:52px}
.top-row.top-sub{min-height:42px;border-top:1px solid var(--line)}
.sub-sep{width:1px;align-self:stretch;margin:7px 4px;background:var(--line)}
/* En el submenú los iconos van a la derecha y sin aspecto de botón (solo icono) */
.top-sub .top-actions{margin-left:auto}
.top-sub .btn.only-ico{border-color:transparent;background:transparent;color:var(--muted);padding:6px 9px;font-size:15px}
.top-sub .btn.only-ico:hover{background:var(--hover);border-color:transparent;color:var(--txt)}
.top-sub .btn.only-ico.on,.top-sub .btn.only-ico.on i{background:transparent;border-color:transparent;color:var(--accent)}
#brand{font-weight:700;font-size:15px;letter-spacing:.2px;display:flex;align-items:center;gap:9px;color:var(--txt)}
#brand .dot{width:24px;height:24px;border-radius:62% 38% 56% 44% / 54% 60% 40% 46%;background:linear-gradient(135deg,var(--accent),var(--accent-2));display:inline-block;box-shadow:inset 0 -2px 4px rgba(70,50,30,.25)}
#brand small{font-weight:500;color:var(--muted);font-size:12px}
.top-actions{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.top-actions[hidden]{display:none}      /* el atributo hidden debe ganar al display:flex */
.btn.only-ico{padding:7px 10px}      /* botón solo-icono (tooltip por title) */

/* Botones */
.btn{border:1px solid var(--line);background:#fff;color:var(--txt);padding:7px 12px;border-radius:8px;font-size:13px;cursor:pointer;display:inline-flex;align-items:center;gap:7px;transition:.12s}
.btn:hover{border-color:#cdbfa6;background:var(--hover)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{background:var(--accent-d);border-color:var(--accent-d)}
.btn.danger{color:#a8442c;border-color:#e6c3b4}
.btn.danger:hover{background:#f6e7df}
.btn.sm{padding:5px 9px;font-size:12px}
.btn.on{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.on i{color:#fff}

.tool-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:6px}
.tool-row .btn{padding:6px 4px;justify-content:center}

/* Tarjetas de aberturas */
.hueco-card{border:1px solid var(--line);border-radius:8px;padding:8px;margin-bottom:8px;background:#f6f0e5}
.hc-head{font-size:12px;font-weight:600;display:flex;align-items:center;gap:6px;margin-bottom:7px}
.hc-head i{color:var(--accent)}
.hc-head .x{margin-left:auto;color:var(--muted);cursor:pointer;font-size:13px}
.hc-head .x:hover{color:#c0392b}
.hc-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px}
.hc-grid label{font-size:11px;color:var(--muted);display:flex;flex-direction:column;gap:3px}
.hc-grid input[type=number]{padding:4px 6px;border:1px solid var(--line);border-radius:6px;font-size:12px}
.hc-grid input[type=range]{accent-color:var(--accent)}
.hc-grid .hc-pos{grid-column:1/-1}
label.chk{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--txt);margin-bottom:10px;cursor:pointer}
label.chk input{accent-color:var(--accent)}

/* Layout */
#main{position:absolute;top:var(--toph,97px);left:0;right:0;bottom:0;display:flex}
#panel{width:320px;min-width:320px;background:var(--panel);border-right:1px solid var(--line);overflow-y:auto;padding:14px}
#panel.collapsed{display:none}
#stage{flex:1;min-width:0;overflow:hidden;position:relative;background:#e7e0d2}
#stage canvas{display:block}
#presup-screen{position:absolute;top:var(--toph,97px);left:0;right:0;bottom:0;overflow:auto;background:var(--bg);z-index:4}
/* Pantalla de Memoria: documento editable centrado tipo hoja A4 */
#memoria-screen{position:absolute;top:var(--toph,97px);left:0;right:0;bottom:0;overflow:auto;background:#e9e5dc;z-index:4;padding:26px 16px}
.mem-doc{max-width:820px;margin:0 auto;background:#fff;color:#23262d;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:4px;padding:54px 60px;min-height:60vh;font-size:14px;line-height:1.65;outline:none}
.mem-doc:focus{box-shadow:0 0 0 2px var(--accent),var(--shadow)}
.mem-doc h1{font-size:24px;margin:0 0 4px;letter-spacing:.2px}
.mem-doc h2{font-size:16px;margin:26px 0 8px;padding-bottom:5px;border-bottom:2px solid var(--accent);color:var(--accent-d,#8a4f31)}
.mem-doc h3{font-size:14px;margin:16px 0 6px}
.mem-doc p{margin:7px 0}
.mem-doc .mem-sub{color:#6b7280;font-size:12.5px;margin:0 0 18px}
.mem-doc table{width:100%;border-collapse:collapse;margin:8px 0;font-size:13px}
.mem-doc th,.mem-doc td{border:1px solid #d9d4c8;padding:5px 9px;text-align:left}
.mem-doc th{background:#f3efe6;font-weight:600}
.mem-doc td.num,.mem-doc th.num{text-align:right;white-space:nowrap}
.mem-doc .mem-tot td{font-weight:700;background:#faf7f0}
.mem-doc .mem-obs{color:#9aa0aa;font-style:italic}
@media print{
  #top,#panel,#main,#presup-screen,#ilum-screen,#toast{display:none!important}
  #memoria-screen{position:static;background:#fff;padding:0;overflow:visible}
  .mem-doc{max-width:none;margin:0;border:0;box-shadow:none;border-radius:0;padding:0}
}
/* El apartado "Presupuesto" del panel solo se ve en modo presupuesto; el resto se oculta entonces */
.grp.g-presup,.sec.g-presup{display:none}
body.modo-presup .grp.g-espacio,body.modo-presup .sec.g-espacio,
body.modo-presup .grp.g-mobi,body.modo-presup .sec.g-mobi{display:none}
body.modo-presup .grp.g-presup,body.modo-presup .sec.g-presup{display:block}
body.modo-presup #presup-screen{left:320px}   /* deja a la vista el panel de precios */
/* El apartado "Modelos" del panel: oculta el resto de secciones y muestra solo la biblioteca */
body.modo-modelos #panel>.sec:not(.sec-modelos){display:none}
body.modo-modelos .sec-modelos{display:block}
.lib-fam{font-weight:700;font-size:12.5px;margin-top:8px}
.lib-fam:first-child{margin-top:0}
.lib-sub{font-size:11.5px;color:var(--muted);margin:3px 0 3px 8px}
.lib-item{display:flex;align-items:center;gap:8px;padding:6px 8px;margin-left:8px;border:1px solid var(--line);border-radius:8px;cursor:pointer;font-size:12.5px;background:#fff}
.lib-item:hover{border-color:var(--accent);background:var(--hover)}
.lib-item.sel{border-color:var(--accent);background:var(--hover)}
.lib-item .li-nombre{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lib-item .li-vis{color:var(--muted);font-size:11px}
.cat-fam{margin-top:8px}
.cat-fam summary{cursor:pointer;font-size:12.5px;font-weight:700;padding:4px 0}
.cat-sub{font-size:11px;color:var(--muted);margin:4px 0 4px 2px}
.presup-wrap{max-width:980px;margin:0 auto;padding:24px 22px 60px}
.presup-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:6px}
.presup-tools{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin:12px 0;font-size:12.5px}
.presup-tools a{color:var(--accent);text-decoration:none}
.presup-tabla{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.presup-tabla th{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);text-align:left;padding:11px 12px;background:#f3ecdf;border-bottom:1px solid var(--line)}
.presup-tabla td{padding:8px 12px;border-bottom:1px solid var(--line);font-size:13.5px;vertical-align:middle}
.presup-tabla tbody tr:last-child td{border-bottom:none}
.presup-tabla input[type=number]{padding:5px 7px;font-size:13px}
.presup-tabla input[type=checkbox]{accent-color:var(--accent);width:16px;height:16px}
#ilum-screen{position:absolute;top:var(--toph,97px);left:0;right:0;bottom:0;overflow:auto;background:var(--bg);z-index:4}
.ilum-wrap{display:flex;gap:18px;height:100%;padding:18px;box-sizing:border-box}
.ilum-side{width:280px;min-width:280px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px;overflow-y:auto}
.ilum-plano{flex:1;min-width:0;display:flex;align-items:flex-start;justify-content:center}
.ilum-tools{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.ilum-tools .btn{justify-content:flex-start}
.ilum-tools .btn.on{background:var(--accent);border-color:var(--accent);color:#fff}

/* Secciones del panel */
.sec{border:1px solid var(--line);border-radius:12px;margin-bottom:11px;overflow:hidden;background:var(--panel)}
.sec>h3{margin:0;padding:10px 12px;font-size:12.5px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);background:#f3ecdf;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:8px;cursor:pointer;user-select:none}
.sec>h3 .chev{margin-left:auto;font-size:11px;color:var(--muted);transition:transform .15s}
.sec.collapsed>h3{border-bottom:none}
.sec.collapsed>h3 .chev{transform:rotate(180deg)}
.sec.collapsed>.body{display:none}
.sec .body{padding:11px 12px}
/* Etiqueta de grupo (separa el panel por fases) */
.grp{font-size:10.5px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;color:var(--accent-d);margin:14px 2px 9px;display:flex;align-items:center;gap:9px}
.grp::before{content:"";width:7px;height:7px;border-radius:60% 40% 55% 45%;background:linear-gradient(135deg,var(--accent),var(--accent-2));flex:0 0 auto}
.grp::after{content:"";flex:1;height:1px;background:var(--line)}
.grp:first-child{margin-top:0}

/* Campos */
.field{margin-bottom:11px}
.field:last-child{margin-bottom:0}
.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:5px}
.field .row{display:flex;align-items:center;gap:8px}
.field input[type=range]{flex:1;accent-color:var(--accent)}
.field .val{width:64px;flex:0 0 64px}
input[type=number],input[type=text]{width:100%;padding:6px 8px;border:1px solid var(--line);border-radius:7px;font-size:13px;color:var(--txt)}
.zoc-grid{display:grid;grid-template-columns:62px 18px 36px 1fr auto;gap:6px 7px;align-items:center;margin-top:4px}
.zoc-grid .zlbl{font-size:11px;color:var(--muted)}
.zoc-grid input[type=range]{accent-color:var(--accent)}
.zoc-grid input[type=color]{width:36px;height:22px;padding:0;border:1px solid var(--line);border-radius:5px}
.zoc-grid .zaltv{font-size:11px;color:var(--muted);width:42px;text-align:right}
input[type=number]:focus,input[type=text]:focus{outline:none;border-color:var(--accent)}
input[type=color]{width:36px;height:30px;border:1px solid var(--line);border-radius:7px;background:#fff;padding:2px;cursor:pointer}

/* Catálogo */
.cat-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.cat-item{border:1px solid var(--line);border-radius:9px;padding:9px 8px;text-align:center;cursor:pointer;background:#fff;transition:.12s;font-size:12px;color:var(--txt)}
.cat-item:hover{border-color:var(--accent);background:var(--hover);transform:translateY(-1px)}
.cat-item .ico{font-size:20px;display:block;margin-bottom:6px;line-height:1;color:var(--accent)}
.sec>h3 i{color:var(--accent);font-size:12px;width:14px;text-align:center}
.btn i{font-size:12px}

/* Toggle */
.seg{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.seg button{flex:1;border:0;background:#fff;padding:6px 4px;font-size:12px;cursor:pointer;color:var(--muted)}
.seg button.on{background:var(--accent);color:#fff}

/* Selección / overlay */
#sel-empty{font-size:12.5px;color:var(--muted);padding:4px 0}
#hint{position:absolute;left:12px;bottom:12px;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:9px;padding:9px 12px;font-size:12px;color:var(--muted);box-shadow:var(--shadow);max-width:280px;line-height:1.5}
#hint b{color:var(--txt)}
#readout{position:absolute;right:12px;top:12px;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:9px;padding:8px 12px;font-size:12px;color:var(--txt);box-shadow:var(--shadow)}

/* Cotas vivas (etiquetas reproyectadas sobre el 3D) */
#cotas{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.cota{position:absolute;transform:translate(-50%,-50%);background:rgba(255,255,255,.93);border:1px solid var(--line);color:var(--txt);font-size:11px;font-weight:600;padding:1px 6px;border-radius:5px;white-space:nowrap;box-shadow:0 1px 2px rgba(20,25,40,.12)}
.cota.sel{border-color:var(--accent);color:var(--accent-d)}
#readout span{color:var(--accent);font-weight:600}
.list{font-size:12.5px;color:var(--txt)}
.list .li{display:flex;align-items:center;gap:7px;padding:5px 6px;border-radius:6px;cursor:pointer}
.list .li:hover{background:var(--hover)}
.list .li.on{background:#ece0cc}
.list .li .sw{width:11px;height:11px;border-radius:3px;flex:0 0 11px}
.list .li .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.list .li .nm.off{opacity:.5;text-decoration:line-through}
.list .li .li-ic{color:var(--muted);font-size:12px;cursor:pointer;width:17px;text-align:center;flex:0 0 17px}
.list .li .li-ic:hover{color:var(--accent)}
.list .li .li-ic.on{color:var(--accent)}
.list .li .x{color:var(--muted);font-size:14px;padding:0 3px}
.list .li .x:hover{color:#a8442c}
.muted{color:var(--muted);font-size:11.5px;line-height:1.5}
.divlab{font-size:11px;color:var(--muted);margin:2px 0 6px}

/* Modal (biblioteca de proyectos) */
.modal-ov{position:fixed;inset:0;background:rgba(20,25,40,.4);display:flex;align-items:center;justify-content:center;z-index:50}
.modal{background:#fff;border-radius:12px;box-shadow:0 20px 60px rgba(20,25,40,.3);width:460px;max-width:92vw;max-height:84vh;overflow:auto;padding:18px 20px}
.modal.wide{width:560px}
.modal tbody tr{border-bottom:1px solid #f0f1f4}
.modal h2{margin:0 0 12px;font-size:16px;display:flex;align-items:center;gap:9px;cursor:move;user-select:none}
.modal h2 i{color:var(--accent)}
.modal-foot{margin-top:14px;display:flex;justify-content:flex-end;gap:8px}
.modal label.fld{display:block;font-size:12px;color:var(--muted);margin-bottom:10px}
.modal label.fld input{width:100%;margin-top:5px;padding:7px 9px;border:1px solid var(--line);border-radius:7px;font-size:13px}

/* Visor de PDF incrustado */
.modal.modal-pdf{width:92vw;max-width:1100px;height:88vh;padding:0;display:flex;flex-direction:column;overflow:hidden}
.pdf-head{display:flex;align-items:center;gap:10px;padding:9px 14px;border-bottom:1px solid var(--line)}
.pdf-head h2{margin:0;font-size:14px;flex:1;display:flex;align-items:center;gap:8px}
.pdf-head h2 i{color:var(--accent)}
.modal-pdf iframe{flex:1;width:100%;border:0;background:#525659}
/* Cabecera de modal como barra de título: zona de arrastre visible (icono de agarre) + botón de cierre (X) */
/* Barra de título de la modal = zona de arrastre CLARA (fondo, agarre y cursor "mover") + aspa de cierre */
.modal h2.m-bar{margin:-18px -20px 16px;padding:12px 48px 12px 15px;background:linear-gradient(180deg,#f4efe4,#ece3d3);border-bottom:1px solid var(--line);border-radius:12px 12px 0 0;position:relative;cursor:move}
.modal h2.m-bar:hover{background:linear-gradient(180deg,#efe8da,#e6dcc8)}
.modal h2.m-bar .m-grip{color:var(--accent);font-size:15px;opacity:.9;cursor:move;margin-right:1px}
.modal .m-x{position:absolute;top:50%;right:10px;transform:translateY(-50%);width:30px;height:30px;border:none;background:rgba(90,60,40,.08);border-radius:8px;color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:16px;padding:0}
.modal .m-x i{color:inherit}
.modal .m-x:hover{background:rgba(192,57,43,.16);color:#c0392b}
/* Cabecera del visor de PDF: también arrastrable y con agarre visible */
.pdf-head{cursor:move}
.pdf-head .m-grip{color:var(--accent);font-size:15px;opacity:.9;cursor:move}
/* Selector compacto de material (muestras de textura) */
.mat-pick{display:flex;flex-wrap:wrap;gap:6px}
.mat-chip{width:34px;height:34px;border:2px solid var(--line);border-radius:8px;background-size:cover;background-position:center;cursor:pointer;padding:0;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px}
.mat-chip.mat-none{background:#fff}
.mat-chip.on{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent) inset}
/* Modal de gestión de materiales del proyecto */
.mat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.mat-card{border:1px solid var(--line);border-radius:10px;overflow:hidden;display:flex;flex-direction:column;background:#fff}
.mat-thumb{height:76px;background-size:cover;background-position:center;background-color:#eee}
.mat-body{padding:8px;display:flex;flex-direction:column;gap:5px}
.mat-name{width:100%;border:1px solid var(--line);border-radius:6px;padding:4px 6px;font-size:12px;font-weight:600;color:var(--txt)}
.mat-fld{display:flex;align-items:center;justify-content:space-between;gap:6px;font-size:11px;color:var(--muted)}
.mat-fld input[type=number]{width:60px;border:1px solid var(--line);border-radius:5px;padding:3px 5px;font-size:11.5px;color:var(--txt)}
.mat-fld input[type=range]{width:82px}
.mat-actions{display:flex;gap:6px;margin-top:2px}
.mat-actions .btn{flex:1;justify-content:center}

/* Menú contextual (botón derecho sobre un elemento) */
.ctx-menu{position:fixed;z-index:80;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 10px 30px rgba(20,25,40,.22);padding:10px 11px;width:215px;max-height:82vh;overflow:auto}
.ctx-menu .cm-title{font-weight:700;font-size:12.5px;margin-bottom:8px;color:var(--txt);cursor:move;user-select:none}
.ctx-menu .cm-fld{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:11.5px;color:var(--muted);margin-bottom:6px}
.ctx-menu .cm-fld input{width:64px;padding:4px 6px;border:1px solid var(--line);border-radius:6px;font-size:12px;color:var(--txt)}
.ctx-menu .cm-seg{margin-bottom:8px}
.ctx-menu .cm-actions{display:flex;gap:6px;margin-top:9px}
.ctx-menu .cm-actions .btn{flex:1;justify-content:center}
.ctx-menu .cm-sub{font-weight:600;font-size:11px;color:var(--muted);margin:9px 0 5px}
.ctx-menu .cm-tramo{display:flex;align-items:center;gap:6px;margin-bottom:4px}
.ctx-menu .cm-tramo .cm-tlab{flex:1;font-size:11.5px;color:var(--txt)}
.ctx-menu .cm-tramo input[type=color]{width:30px;height:24px;padding:0;border:1px solid var(--line);border-radius:5px;background:none;cursor:pointer}
.ctx-menu .cm-corte{display:flex;align-items:center;justify-content:space-between;font-size:10.5px;color:var(--muted);padding:1px 2px 3px}
.ctx-menu .cm-corte button{border:none;background:none;color:#c0392b;cursor:pointer;font-size:12px;padding:0 4px;line-height:1}

/* Aviso flotante (toast) */
#toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);background:#1f2430;color:#fff;padding:9px 16px;border-radius:9px;font-size:13px;box-shadow:var(--shadow);opacity:0;transition:opacity .2s;pointer-events:none;z-index:60;max-width:80vw}
#toast.show{opacity:.96}