/* ============================================================
   CalcEdifica 2.0 - ESTILOS
   Movil-first, limpio. El color de marca se inyecta en --brand.
   ============================================================ */
:root{
  --brand:#F5C518;
  --brand-ink:#1a1a1a;          /* texto sobre el color de marca */
  --bg:#F2F2F0;
  --card:#ffffff;
  --ink:#1a1a1a;
  --muted:#6b6b6b;
  --line:#e4e4e0;
  --ok:#2e7d32; --warn:#b26a00; --warn-bg:#fff4e0; --err:#c62828; --err-bg:#fdecea;
  --radius:14px;
  --shadow:0 1px 3px rgba(0,0,0,.08),0 4px 14px rgba(0,0,0,.05);
  --nav-h:64px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg); color:var(--ink); font-size:16px; line-height:1.45;
  padding-bottom:calc(var(--nav-h) + env(safe-area-inset-bottom,0));
  -webkit-text-size-adjust:100%;
}
h1,h2,h3{margin:0 0 .4em} h2{font-size:1.25rem} h3{font-size:1.05rem}
small{color:var(--muted)}
button{font-family:inherit}
input,select,textarea{font-family:inherit;font-size:16px}

/* ---------- Topbar ---------- */
.topbar{
  position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:12px;
  background:#0d0d0d;color:#fff;padding:12px 16px;
  padding-top:calc(12px + env(safe-area-inset-top,0));
}
.topbar .logo{width:36px;height:36px;border-radius:9px;background:var(--brand);color:var(--brand-ink);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;overflow:hidden;flex:none}
.topbar .logo img{width:100%;height:100%;object-fit:cover}
.topbar .ttl{font-weight:700;font-size:1.05rem;line-height:1.1}
.topbar .ttl small{display:block;color:#bdbdbd;font-weight:400;font-size:.72rem}
.topbar .sp{flex:1}
.topbar .tb-btn{background:#222;color:#fff;border:none;border-radius:9px;padding:8px 10px;font-size:.85rem;cursor:pointer;display:flex;align-items:center;gap:6px}
.topbar .tb-btn:active{transform:scale(.97)}

/* ---------- Layout ---------- */
.wrap{max-width:760px;margin:0 auto;padding:16px}
.view{display:none;animation:fade .18s ease}
.view.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

/* ---------- Cards ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:14px}
.card .card-h{font-weight:700;margin:-2px 0 10px;display:flex;align-items:center;gap:8px}
.muted{color:var(--muted)}
.row{display:flex;gap:10px}.row>*{flex:1}
.center{text-align:center}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);
  background:#fff;color:var(--ink);border-radius:11px;padding:12px 16px;font-size:.95rem;font-weight:600;cursor:pointer;transition:transform .05s}
.btn:active{transform:scale(.98)}
.btn.block{width:100%}
.btn.primary{background:var(--brand);color:var(--brand-ink);border-color:var(--brand)}
.btn.dark{background:#0d0d0d;color:#fff;border-color:#0d0d0d}
.btn.ghost{background:transparent}
.btn.danger{background:#fff;color:var(--err);border-color:#f3c2bd}
.btn.sm{padding:8px 12px;font-size:.85rem;border-radius:9px}
.btn.lg{padding:16px;font-size:1.05rem;border-radius:13px}
.install-btn{border:1px solid var(--brand);box-shadow:0 4px 14px rgba(0,0,0,.12)}
.install-btn span:first-child{color:var(--brand);font-size:1.15rem}

/* ---------- Fields ---------- */
.field{margin-bottom:12px}
.field label{display:block;font-size:.82rem;font-weight:600;color:#444;margin-bottom:5px}
.field input,.field select,.field textarea{
  width:100%;padding:12px;border:1px solid var(--line);border-radius:11px;background:#fff;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--brand);border-color:var(--brand)}
.field textarea{min-height:90px;resize:vertical}
.hint{font-size:.76rem;color:var(--muted);margin-top:4px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.three{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}

/* ---------- Mode picker (inicio) ---------- */
.hero{background:#0d0d0d;color:#fff;border-radius:18px;padding:24px;margin-bottom:16px}
.hero h1{font-size:1.5rem;margin-bottom:6px}
.hero .accent{color:var(--brand)}
.mode-card{display:flex;gap:14px;align-items:center;cursor:pointer}
.mode-card .ic{width:52px;height:52px;border-radius:13px;background:var(--brand);color:var(--brand-ink);display:flex;align-items:center;justify-content:center;font-size:26px;flex:none}
.mode-card .ic.alt{background:#0d0d0d;color:var(--brand)}
.mode-card .go{color:var(--muted);font-size:22px}

/* ---------- Lists (presupuestos) ---------- */
.plist{display:flex;flex-direction:column;gap:10px}
.pcard{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;cursor:pointer}
.pcard:active{background:#fafafa}
.pcard .pn{font-weight:700;font-size:.9rem;color:var(--muted);min-width:74px}
.pcard .pmid{flex:1;min-width:0}
.pcard .pmid b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pcard .pt{font-weight:700;white-space:nowrap}
.badge{display:inline-block;font-size:.7rem;font-weight:700;padding:2px 8px;border-radius:20px;text-transform:uppercase;letter-spacing:.02em}
.badge.borrador{background:#eee;color:#555}
.badge.enviado{background:#e3f2fd;color:#1565c0}
.badge.aceptado{background:#e8f5e9;color:#2e7d32}
.badge.rechazado{background:#fdecea;color:#c62828}

/* ---------- Editor: capitulos y partidas ---------- */
.cap{margin-bottom:12px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.cap-h{display:flex;align-items:center;gap:8px;background:#f7f7f5;padding:10px 12px;font-weight:700;font-size:.9rem}
.cap-h .cap-sub{margin-left:auto;color:var(--muted);font-weight:700}
.linea{padding:10px 12px;border-top:1px solid var(--line)}
.linea .l-top{display:flex;align-items:center;gap:8px}
.linea .l-name{flex:1;font-weight:600;font-size:.92rem;border:none;background:transparent;padding:2px 0}
.linea .l-name:focus{outline:none;border-bottom:1px dashed var(--brand)}
.linea .l-del{background:none;border:none;color:var(--err);font-size:18px;cursor:pointer;padding:2px 6px}
.linea .l-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr auto;gap:6px;margin-top:8px;align-items:end}
.linea .l-grid .mini label{display:block;font-size:.66rem;color:var(--muted);margin-bottom:2px}
.linea .l-grid input{width:100%;padding:7px 8px;border:1px solid var(--line);border-radius:8px;text-align:right}
.linea .l-imp{font-weight:700;text-align:right;white-space:nowrap;padding-bottom:7px}
.unit-badge{font-size:.7rem;color:var(--muted);text-align:center}

/* ---------- Totales ---------- */
.tot{background:#0d0d0d;color:#fff;border-radius:14px;padding:14px 16px;position:sticky;bottom:calc(var(--nav-h) + 8px);z-index:10}
.tot .tr{display:flex;justify-content:space-between;font-size:.86rem;padding:2px 0;color:#cfcfcf}
.tot .tr b{color:#fff}
.tot .tr.big{font-size:1.25rem;font-weight:800;border-top:1px solid #333;margin-top:6px;padding-top:8px;color:#fff}
.tot .tr.big b{color:var(--brand)}
.aviso{background:var(--warn-bg);color:var(--warn);border:1px solid #f0d39a;border-radius:10px;padding:8px 10px;font-size:.8rem;margin-top:8px}

/* ---------- Catalogo add row ---------- */
.cat-row{display:flex;align-items:center;gap:8px;padding:10px 0;border-bottom:1px solid var(--line)}
.cat-row .ci{flex:1}
.cat-row .ci b{font-size:.9rem}
.cat-row .ci small{display:block}
.cat-row .cadd{flex:none}

/* ---------- Asistente cliente ---------- */
.opt-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.opt{border:2px solid var(--line);border-radius:13px;padding:16px 12px;text-align:center;cursor:pointer;background:#fff;transition:.12s}
.opt .oic{font-size:30px}
.opt .on{font-weight:700;margin-top:6px;font-size:.92rem}
.opt.sel{border-color:var(--brand);background:#fffdf2}
.task{display:flex;align-items:center;gap:10px;padding:11px 4px;border-bottom:1px solid var(--line)}
.task input[type=checkbox]{width:22px;height:22px;accent-color:var(--brand);flex:none}
.task .tk{flex:1;font-size:.92rem}
.est-result{background:#0d0d0d;color:#fff;border-radius:16px;padding:22px;text-align:center}
.est-result .big{font-size:2rem;font-weight:800;color:var(--brand);margin:4px 0}
.est-result .rng{color:#bdbdbd;font-size:.85rem}

/* ---------- Bottom nav (modo pro) ---------- */
.bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:40;display:none;
  grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid var(--line);
  height:var(--nav-h);padding-bottom:env(safe-area-inset-bottom,0)}
.bottom-nav.show{display:grid}
.nav-btn{border:none;background:none;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  color:var(--muted);font-size:.68rem;font-weight:600;cursor:pointer}
.nav-btn .ni{font-size:20px}
.nav-btn.active{color:var(--ink)}
.nav-btn.active .ni{transform:translateY(-1px)}
.nav-btn.active{border-top:2px solid var(--brand);margin-top:-1px}

/* ---------- Modal ---------- */
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:60;display:none;align-items:flex-end;justify-content:center}
.modal-bg.show{display:flex}
.modal{background:#fff;border-radius:18px 18px 0 0;width:100%;max-width:760px;max-height:88vh;overflow:auto;padding:18px;animation:up .2s ease}
@media(min-width:600px){.modal-bg{align-items:center}.modal{border-radius:18px}}
@keyframes up{from{transform:translateY(20px);opacity:.6}to{transform:none;opacity:1}}
.modal h3{margin-bottom:12px}
.modal-actions{display:flex;gap:10px;margin-top:14px}

/* ---------- Toast ---------- */
.toast{position:fixed;left:50%;bottom:calc(var(--nav-h) + 16px);transform:translateX(-50%) translateY(20px);
  background:#0d0d0d;color:#fff;padding:11px 18px;border-radius:30px;font-size:.85rem;font-weight:600;
  opacity:0;pointer-events:none;transition:.25s;z-index:90;box-shadow:var(--shadow)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- Misc ---------- */
.section-title{font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:700;margin:18px 2px 8px}
.empty{text-align:center;color:var(--muted);padding:32px 16px}
.empty .ei{font-size:42px;opacity:.5}
.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--muted);background:none;border:none;font-size:.9rem;cursor:pointer;padding:6px 0;margin-bottom:6px}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:10px}
.tag-ref{display:inline-block;font-size:.7rem;background:#f0f0ec;border:1px solid var(--line);border-radius:6px;padding:1px 6px;color:#555;margin:2px 2px 0 0}

/* ---------- Print (PDF) ---------- */
@media print{
  body{background:#fff;padding:0}
  .topbar,.bottom-nav,.toast,.no-print{display:none !important}
  .wrap{max-width:100%;padding:0}
}

/* ---------- Ocultar totales mientras se escribe (teclado abierto) ---------- */
#view-editor:focus-within #editor-totales{opacity:0;transform:translateY(28px);pointer-events:none;transition:opacity .15s,transform .15s}

/* ============================================================
   HERRAMIENTAS TECNICAS (estructura, instalaciones, mediciones,
   tablas) integradas desde el repo CalcEdifica. Se reutiliza la
   paleta de la app mapeando los nombres de variables antiguos.
   ============================================================ */
:root{
  --primary:#1a1a1a; --primary-dark:#0d0d0d; --accent:var(--brand); --accent-dark:#D4A810;
  --text:var(--ink); --text-secondary:var(--muted); --border:var(--line);
  --success:var(--ok); --warning:var(--warn); --error:var(--err);
}

/* ---------- Selector de idioma (topbar) ---------- */
.lang-select{
  margin-left:8px;flex:0 0 auto;background:rgba(255,255,255,.14);color:#fff;
  border:1px solid rgba(255,255,255,.28);border-radius:8px;padding:6px 6px;font-size:12px;max-width:104px}
.lang-select option{color:#000}

/* ---------- Sub-navegacion del hub Tecnico ---------- */
.tec-subnav{display:flex;gap:6px;overflow-x:auto;margin:0 -2px 14px;padding:2px;-webkit-overflow-scrolling:touch}
.tec-subnav .tsub{flex:0 0 auto;background:#fff;border:1px solid var(--line);color:var(--muted);
  border-radius:20px;padding:8px 14px;font-size:.85rem;font-weight:600;cursor:pointer;white-space:nowrap}
.tec-subnav .tsub.active{background:#0d0d0d;color:#fff;border-color:#0d0d0d}
.tsub-pane{display:none;animation:fade .18s ease}
.tsub-pane.active{display:block}

/* ---------- Tarjetas de calculo plegables ---------- */
.calc-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  margin-bottom:12px;overflow:hidden;border:1px solid var(--border)}
.calc-card .card-header{display:flex;align-items:center;gap:12px;padding:14px 16px;cursor:pointer;user-select:none;transition:background .15s}
.calc-card .card-header:active{background:#f0f0f0}
.calc-card .card-icon{width:40px;height:40px;background:var(--primary-dark);border-radius:10px;
  display:flex;align-items:center;justify-content:center;color:var(--accent);flex-shrink:0}
.calc-card .card-header h3{font-size:15px;font-weight:600;line-height:1.2;margin:0}
.calc-card .card-ref{font-size:11px;color:var(--text-secondary)}
.calc-card .chevron{margin-left:auto;color:var(--text-secondary);transition:transform .25s ease;flex-shrink:0}
.calc-card.open .chevron{transform:rotate(180deg)}
.calc-card .card-body{display:none;padding:0 16px 16px}
.calc-card.open .card-body{display:block;animation:fade .2s ease}

/* ---------- Formularios de los calculadores ---------- */
.calc-card .form-group{margin-bottom:12px}
.calc-card .form-group label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:4px}
.calc-card .form-group input,.calc-card .form-group select{
  width:100%;padding:10px 12px;border:1.5px solid var(--border);border-radius:8px;font-size:15px;
  background:#fafafa;color:var(--text);appearance:none;-webkit-appearance:none}
.calc-card .form-group select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' stroke='%23616161' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;padding-right:32px}
.calc-card .form-group input:focus,.calc-card .form-group select:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(245,197,24,.18)}
.calc-card .form-row{display:flex;gap:12px}
.calc-card .form-row .form-group{flex:1}
.calc-card .form-hint{font-size:12px;color:var(--text-secondary);margin-bottom:10px;font-style:italic}
.calc-card .checkbox-group{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.calc-card .chk{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text);background:#f0f0f0;padding:6px 10px;border-radius:8px;cursor:pointer}
.calc-card .chk input[type="checkbox"]{width:20px;height:20px;min-width:20px;margin:0;padding:0;border-radius:4px;appearance:auto;-webkit-appearance:checkbox;accent-color:var(--accent);flex:0 0 auto}

/* ---------- Boton Calcular ---------- */
.btn-calc{width:100%;padding:12px;background:var(--accent);color:var(--primary-dark);border:none;
  border-radius:8px;font-size:15px;font-weight:700;cursor:pointer;transition:transform .1s;margin-top:4px}
.btn-calc:active{transform:scale(.98)}

/* ---------- Resultados ---------- */
.result-box{margin-top:12px;padding:0;border-radius:8px;font-size:14px;line-height:1.6;display:none}
.result-box.show{display:block;padding:14px;background:#e8f5e9;border:1px solid #a5d6a7;animation:fade .3s ease}
.result-box.error{background:#ffebee;border-color:#ef9a9a}
.result-box .res-title{font-weight:700;font-size:15px;margin-bottom:8px;color:var(--success);display:flex;align-items:center;gap:6px}
.result-box.error .res-title{color:var(--error)}
.result-box .res-line{display:flex;justify-content:space-between;padding:3px 0;border-bottom:1px dotted #c8e6c9}
.result-box.error .res-line{border-bottom-color:#ffcdd2}
.result-box .res-line:last-child{border-bottom:none}
.result-box .res-label{color:var(--text-secondary)}
.result-box .res-value{font-weight:600;color:var(--text)}
.result-box .res-note{margin-top:8px;padding-top:8px;border-top:1px solid #a5d6a7;font-size:12px;color:var(--text-secondary)}
.result-box.error .res-note{border-top-color:#ef9a9a}
.result-box .res-warn{color:var(--warning);font-weight:600;font-size:13px}
.result-box .res-ok{color:var(--success);font-weight:600;font-size:13px}

/* ---------- Boton "Anadir al presupuesto" ---------- */
.btn-add-presu{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;margin-top:10px;
  padding:11px;border:none;border-radius:8px;background:var(--accent);color:#1a1a1a;font-weight:700;font-size:14px;cursor:pointer}
.btn-add-presu:active{transform:scale(.98)}
.btn-cuadro{margin-top:8px;background:#0a0a0a;color:var(--accent);border:1px solid var(--accent)}

/* ---------- Tablas de referencia ---------- */
.ref-table{width:100%;border-collapse:collapse;font-size:13px}
.ref-table th{background:var(--primary-dark);color:var(--accent);padding:8px 10px;text-align:left;font-weight:600}
.ref-table td{padding:7px 10px;border-bottom:1px solid var(--border)}
.ref-table tr:nth-child(even) td{background:#f8f8f8}

/* ---------- Card lanzadora de modulo (oscura) ---------- */
.modulo-launch{cursor:pointer;background:#0a0a0a;border-color:#2a2a2a}
.modulo-launch .card-header:active{background:#161617}
.modulo-launch h3{color:#f4f2ec}
.modulo-launch .card-ref{color:#9a8a3a}
.modulo-launch .card-icon{background:rgba(255,200,4,.14);color:#ffc804}
.modulo-launch .chevron-go{margin-left:auto;color:#ffc804;flex-shrink:0}

/* ---------- Vista Contacto ---------- */
.contact-hero{background:var(--primary-dark);border-radius:var(--radius);padding:24px 16px 20px;text-align:center;color:#fff;margin-bottom:16px;box-shadow:var(--shadow)}
.contact-logo{border-radius:50%;margin-bottom:8px}
.contact-name{font-size:26px;font-weight:800;letter-spacing:.5px;margin:0}
.contact-tagline{font-size:13px;line-height:1.5;opacity:.85;margin-top:6px}
.contact-btn{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:14px 16px;margin-bottom:10px;text-decoration:none;color:var(--text);box-shadow:var(--shadow);transition:transform .1s}
.contact-btn:active{transform:scale(.98)}
.contact-btn>svg:first-child{width:44px;height:44px;flex-shrink:0;padding:10px;border-radius:10px;background:var(--primary-dark);color:var(--accent);box-sizing:border-box}
.contact-btn.whatsapp>svg:first-child{background:#25d366;color:#fff}
.contact-btn-text{flex:1;display:flex;flex-direction:column;min-width:0}
.contact-btn-label{font-size:12px;color:var(--text-secondary)}
.contact-btn-value{font-size:16px;font-weight:700;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.contact-arrow{color:var(--text-secondary);flex-shrink:0}
.contact-services{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-top:6px;box-shadow:var(--shadow)}
.contact-services h3{font-size:15px;margin-bottom:10px;color:var(--text)}
.contact-tags{display:flex;flex-wrap:wrap;gap:8px}
.contact-tags span{background:#f5f5f3;border:1px solid var(--border);color:var(--text);font-size:12px;font-weight:500;padding:6px 12px;border-radius:20px}
.contact-foot{text-align:center;font-size:12px;color:var(--text-secondary);margin:16px 0 8px;font-weight:500}