/* FONTHER APP — fondo negro, acentos #268797 y blanco. Mobile first. */
.fa-app{
  --fa-bg:#000; --fa-teal:#268797; --fa-teal-2:#33a9bd; --fa-white:#fff;
  --fa-card:#0e0e0e; --fa-line:#262626; --fa-muted:#9aa3a6; --fa-err:#ff7a7a;
  position:relative; box-sizing:border-box; width:100%; max-width:820px; margin:0 auto;
  padding:28px 18px 48px; background:var(--fa-bg); color:var(--fa-white);
  font-family:inherit; font-size:16px; line-height:1.45; text-align:left;
  /* el negro se extiende a todo el ancho de la pantalla, sin barra horizontal */
  box-shadow:0 0 0 100vmax var(--fa-bg); clip-path:inset(0 -100vmax);
}
.fa-app *,.fa-app *::before,.fa-app *::after{box-sizing:border-box}
.fa-app [hidden]{display:none !important}
.fa-app h2,.fa-app h3,.fa-app p{color:var(--fa-white);margin:0}
.fa-admin-note{padding:16px;border:1px dashed var(--fa-teal);border-radius:10px;text-align:center}

/* Cabecera */
.fa-app .fa-header{text-align:center;margin-bottom:18px}
.fa-app .fa-logo{display:block;margin:0 auto;width:210px;max-width:62%;height:auto;border:0;box-shadow:none}
.fa-app .fa-appname{margin-top:10px;font-size:12px;letter-spacing:.38em;color:var(--fa-teal-2);font-weight:600}

/* Progreso */
.fa-app .fa-progress{margin:6px 0 24px}
.fa-app .fa-progress-label{font-size:13px;color:var(--fa-muted);margin-bottom:8px;text-align:center}
.fa-app .fa-progress-label b{color:var(--fa-white)}
.fa-app .fa-bar{height:5px;border-radius:5px;background:#1b1b1b;overflow:hidden}
.fa-app .fa-bar span{display:block;height:100%;width:12.5%;background:var(--fa-teal);border-radius:5px;transition:width .35s ease}

/* Pasos */
.fa-app .fa-step-title{font-size:24px;line-height:1.2;font-weight:700;margin-bottom:6px;text-align:center}
.fa-app .fa-step-intro{color:var(--fa-muted);text-align:center;margin-bottom:22px;font-size:15px}
.fa-app .fa-group{margin-bottom:18px}
.fa-app .fa-group-title{font-size:15px;font-weight:700;color:var(--fa-teal-2);text-transform:uppercase;letter-spacing:.1em;margin:20px 0 12px;padding-bottom:8px;border-bottom:1px solid var(--fa-line)}
.fa-app .fa-fields{display:grid;grid-template-columns:1fr;gap:16px}
.fa-app .fa-field{min-width:0}
.fa-app .fa-field label,.fa-app .fa-label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;color:var(--fa-white)}
.fa-app .fa-hp{position:absolute !important;left:-9999px !important;width:1px;height:1px;opacity:0}

/* Campos */
.fa-app input.fa-input,.fa-app select.fa-input{
  width:100% !important;height:52px !important;margin:0 !important;padding:0 16px !important;
  background:#0b0b0b !important;color:var(--fa-white) !important;border:1.5px solid #333 !important;border-radius:12px !important;
  font-size:16px !important;font-family:inherit !important;box-shadow:none !important;outline:none !important;
  -webkit-appearance:none;appearance:none;transition:border-color .2s,box-shadow .2s;
}
.fa-app input.fa-input::placeholder{color:#5d6568 !important;opacity:1}
.fa-app input.fa-input:focus,.fa-app select.fa-input:focus{border-color:var(--fa-teal) !important;box-shadow:0 0 0 3px rgba(38,135,151,.28) !important}
.fa-app .fa-field.has-error input.fa-input{border-color:var(--fa-err) !important}
.fa-app .fa-input-wrap{position:relative}
.fa-app .fa-input-wrap input.fa-input{padding-right:86px !important}
.fa-app .fa-unit{position:absolute;right:8px;top:50%;transform:translateY(-50%);padding:5px 10px;border-radius:8px;background:rgba(38,135,151,.18);color:var(--fa-teal-2);font-size:12px;font-weight:700;letter-spacing:.04em;pointer-events:none;text-transform:uppercase}
.fa-app .fa-select-wrap{position:relative}
.fa-app .fa-select-wrap::after{content:"";position:absolute;right:18px;top:50%;width:8px;height:8px;margin-top:-6px;border-right:2px solid var(--fa-teal-2);border-bottom:2px solid var(--fa-teal-2);transform:rotate(45deg);pointer-events:none}
.fa-app select.fa-input{padding-right:44px !important;cursor:pointer}
.fa-app select.fa-input option{background:#111;color:#fff}
.fa-app .fa-error{margin-top:6px;font-size:13px;color:var(--fa-err) !important}

/* Cantidad de pisos */
.fa-app .fa-seg{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.fa-app button.fa-seg-btn{
  height:56px;border-radius:12px;border:1.5px solid #333;background:#0b0b0b;color:var(--fa-white);
  font-size:20px;font-weight:700;cursor:pointer;font-family:inherit;box-shadow:none;transition:all .2s;text-transform:none;letter-spacing:0;
}
.fa-app button.fa-seg-btn:hover{border-color:var(--fa-teal)}
.fa-app button.fa-seg-btn.is-on{background:var(--fa-teal);border-color:var(--fa-teal);color:#fff}

/* Servicios (íconos) */
.fa-app .fa-layout-tiles .fa-fields{grid-template-columns:repeat(2,1fr);gap:12px}
.fa-app .fa-tilewrap{min-width:0}
.fa-app button.fa-tile{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  width:100%;min-height:128px;padding:18px 8px 14px;border-radius:16px;cursor:pointer;font-family:inherit;
  background:#0b0b0b;border:1.5px solid #262626;color:#fff;box-shadow:none;text-transform:none;letter-spacing:0;
  opacity:.42;filter:grayscale(1);transition:opacity .25s,filter .25s,border-color .25s,box-shadow .25s,background .25s,transform .15s;
  -webkit-tap-highlight-color:transparent;
}
.fa-app button.fa-tile:hover{opacity:.7}
.fa-app button.fa-tile:active{transform:scale(.97)}
.fa-app button.fa-tile .fa-icon{width:46px;height:46px;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.fa-app button.fa-tile .fa-tile-label{font-size:14px;font-weight:600;text-align:center;line-height:1.2}
.fa-app button.fa-tile .fa-badge{position:absolute;top:8px;right:8px;width:22px;height:22px;border-radius:50%;border:1.5px solid #555;display:flex;align-items:center;justify-content:center;transition:all .25s}
.fa-app .fa-badge svg{width:11px;height:11px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.fa-app .fa-badge .fa-ok{display:none}
.fa-app button.fa-tile[aria-pressed="true"]{
  opacity:1;filter:none;border-color:var(--fa-teal);background:rgba(38,135,151,.14);
  box-shadow:0 0 0 1px var(--fa-teal),0 0 26px rgba(38,135,151,.5);
}
.fa-app button.fa-tile[aria-pressed="true"] .fa-icon{stroke:var(--fa-teal-2);filter:drop-shadow(0 0 6px rgba(51,169,189,.7))}
.fa-app button.fa-tile[aria-pressed="true"] .fa-badge{background:var(--fa-teal);border-color:var(--fa-teal);color:#fff}
.fa-app button.fa-tile[aria-pressed="true"] .fa-x{display:none}
.fa-app button.fa-tile[aria-pressed="true"] .fa-ok{display:block}

/* Botones */
.fa-app .fa-nav{display:flex;flex-direction:column-reverse;gap:12px;margin-top:28px}
.fa-app .fa-btn,.fa-app a.fa-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:54px;padding:0 26px;border-radius:12px;
  font-family:inherit;font-size:16px;font-weight:700;line-height:1;text-decoration:none;cursor:pointer;
  border:2px solid var(--fa-teal);box-shadow:none;text-transform:none;letter-spacing:0;transition:all .2s;width:100%;
}
.fa-app .fa-btn-primary,.fa-app a.fa-btn-primary{background:var(--fa-teal);color:#fff !important}
.fa-app .fa-btn-primary:hover,.fa-app a.fa-btn-primary:hover{background:#fff;color:var(--fa-teal) !important;border-color:#fff}
.fa-app .fa-btn-secondary,.fa-app a.fa-btn-secondary{background:#fff;color:var(--fa-teal) !important;border-color:#fff}
.fa-app .fa-btn-secondary:hover,.fa-app a.fa-btn-secondary:hover{background:var(--fa-teal);color:#fff !important;border-color:var(--fa-teal)}
.fa-app .fa-btn:focus-visible,.fa-app .fa-tile:focus-visible,.fa-app .fa-seg-btn:focus-visible{outline:3px solid var(--fa-teal-2);outline-offset:2px}
.fa-app .fa-alert{margin-top:18px;padding:12px 14px;border-radius:10px;background:rgba(255,122,122,.1);border:1px solid var(--fa-err);color:#ffd2d2 !important;font-size:14px}

/* Resultado */
.fa-app .fa-res-title{text-align:center;font-size:26px;font-weight:700;margin-bottom:4px}
.fa-app .fa-res-sub{text-align:center;color:var(--fa-muted);margin-bottom:20px;font-size:15px}
.fa-app .fa-obra{display:grid;grid-template-columns:1fr;gap:10px;padding:16px;border:1px solid var(--fa-line);background:var(--fa-card);border-radius:14px;margin-bottom:22px}
.fa-app .fa-obra div span{display:block;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--fa-teal-2);font-weight:700}
.fa-app .fa-obra div strong{font-size:16px;font-weight:600;word-break:break-word}
.fa-app .fa-pick{font-size:13px;color:var(--fa-muted);margin-bottom:10px;text-align:center}
.fa-app .fa-systems{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:20px}
.fa-app .fa-systems .fa-btn{min-height:50px;padding:6px 10px;font-size:14px;line-height:1.2;text-align:center;background:#fff;color:var(--fa-teal) !important;border-color:#fff}
.fa-app .fa-systems .fa-btn:hover{background:#e9f4f6}
.fa-app .fa-systems .fa-btn.is-on{background:var(--fa-teal);color:#fff !important;border-color:var(--fa-teal);box-shadow:0 0 22px rgba(38,135,151,.45)}
.fa-app .fa-systems .fa-btn:last-child:nth-child(odd){grid-column:1/-1}
.fa-app .fa-panel{border:1px solid var(--fa-teal);border-radius:16px;background:var(--fa-card);padding:18px 16px 20px}
.fa-app .fa-panel h3{font-size:21px;text-align:center;margin-bottom:14px}
.fa-app .fa-row{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:4px 12px;padding:13px 2px;border-top:1px solid var(--fa-line)}
.fa-app .fa-row:first-of-type{border-top:0}
.fa-app .fa-row .fa-k{font-weight:700;font-size:15px}
.fa-app .fa-row .fa-v{text-align:right;margin-left:auto}
.fa-app .fa-row .fa-v b{display:block;font-size:19px;font-weight:700}
.fa-app .fa-row .fa-v em{display:block;font-style:normal;font-size:14px;color:var(--fa-teal-2);font-weight:600}
.fa-app .fa-panel .fa-btn{margin-top:18px}
.fa-app .fa-res-actions{display:flex;flex-direction:column;gap:12px;margin-top:22px}

/* Cargando */
.fa-app .fa-loading{position:fixed;inset:0;z-index:99999;background:rgba(0,0,0,.88);display:flex;align-items:center;justify-content:center;padding:20px}
.fa-app .fa-loading-box{text-align:center;max-width:340px}
.fa-app .fa-loading-box p{font-size:18px;font-weight:600;margin:16px 0 6px}
.fa-app .fa-loading-box small{color:var(--fa-muted);font-size:13px}
.fa-app .fa-spinner{width:54px;height:54px;margin:0 auto;border-radius:50%;border:4px solid #222;border-top-color:var(--fa-teal);animation:fa-spin .9s linear infinite}
@keyframes fa-spin{to{transform:rotate(360deg)}}

/* Tablet y escritorio */
@media (min-width:480px){
  .fa-app .fa-layout-tiles .fa-fields{grid-template-columns:repeat(3,1fr)}
  .fa-app .fa-obra{grid-template-columns:repeat(3,1fr)}
}
@media (min-width:640px){
  .fa-app{padding:40px 32px 64px}
  .fa-app .fa-logo{width:260px}
  .fa-app .fa-step-title{font-size:30px}
  .fa-app .fa-layout-grid .fa-fields{grid-template-columns:1fr 1fr;gap:18px 20px}
  .fa-app .fa-layout-grid .fa-field[data-key="b2"],.fa-app .fa-layout-grid .fa-field[data-key="b3"],.fa-app .fa-layout-grid .fa-field[data-key="b4"],.fa-app .fa-layout-grid .fa-floors{grid-column:1/-1}
  .fa-app .fa-nav{flex-direction:row;justify-content:space-between}
  .fa-app .fa-btn,.fa-app a.fa-btn{width:auto;min-width:220px}
  .fa-app .fa-nav .fa-btn-primary:only-child{margin-left:auto}
  .fa-app .fa-systems{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
  .fa-app .fa-systems .fa-btn{width:100%;min-width:0}
  .fa-app .fa-systems .fa-btn:last-child:nth-child(odd){grid-column:auto}
  .fa-app .fa-panel{padding:24px 28px 26px}
  .fa-app .fa-panel .fa-btn{margin-left:auto;margin-right:auto;display:flex;max-width:320px}
  .fa-app .fa-res-actions{flex-direction:row;justify-content:space-between}
}
@media (prefers-reduced-motion:reduce){.fa-app *{transition:none !important;animation:none !important}}