/* ============================================================
   APP UI (form + layout). The estimate document is in estimate.css.
   ============================================================ */
:root{
  --bg:#f3f1ed;--panel:#ffffff;--ink:#1c1f23;--ink-soft:#4b5158;--muted:#7a828b;--line:#e2ded7;
  --brick:#9b3b2a;--brick-deep:#7d2f21;--wa:#1fa855;--wa-deep:#178a45;--radius:10px;
  --shadow:0 1px 2px rgba(20,20,20,.05),0 8px 24px -12px rgba(20,20,20,.18);
}
*{box-sizing:border-box;}
html,body{margin:0;height:100%;}
body{font-family:"Inter",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.45;-webkit-font-smoothing:antialiased;}
[hidden]{display:none !important;}
button,input,textarea{font:inherit;color:inherit;}
h1{margin:0;}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:8px;padding:9px 16px;font-weight:600;cursor:pointer;background:#fff;white-space:nowrap;transition:background .15s;}
.btn svg{margin-right:8px;}
.btn:hover{background:#faf8f5;}
.btn--primary{background:var(--brick);color:#fff;border-color:var(--brick);}
.btn--primary:hover{background:var(--brick-deep);}
.btn--whatsapp{background:var(--wa);color:#fff;border-color:var(--wa);}
.btn--whatsapp:hover{background:var(--wa-deep);}
.btn--ghost{background:transparent;}
.btn--small{padding:6px 10px;font-size:12.5px;}
.btn--big{padding:13px 20px;font-size:15px;}
.btn--block{width:100%;}

/* fields */
.field{display:block;margin-bottom:12px;}
.field > span{display:block;font-size:12px;font-weight:600;color:var(--ink-soft);margin-bottom:5px;}
.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:7px;padding:10px 11px;background:#fff;outline:none;transition:border-color .15s,box-shadow .15s;}
.field input:focus,.field textarea:focus{border-color:var(--brick);box-shadow:0 0 0 3px rgba(155,59,42,.12);}
.field textarea{resize:vertical;min-height:70px;line-height:1.5;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;column-gap:14px;}
.hint{font-size:12.5px;color:var(--muted);margin:0 0 12px;}

/* login */
.login{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:radial-gradient(1200px 600px at 50% -10%,#efe4dc 0%,var(--bg) 60%);padding:20px;z-index:100;}
.login__card{width:100%;max-width:360px;background:var(--panel);border-radius:16px;padding:36px 32px 30px;box-shadow:var(--shadow);text-align:center;}
.login__mark{color:var(--brick);margin-bottom:10px;}
.login__card h1{font-family:"Playfair Display",Georgia,serif;font-size:26px;font-weight:700;margin-bottom:18px;}
.login__card .field{text-align:left;}
.login__error{color:#b3261e;font-size:13px;margin:-4px 0 12px;}

/* shell */
.app{min-height:100vh;display:flex;flex-direction:column;}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 22px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;}
.topbar__brand{display:flex;align-items:center;font-weight:700;font-family:"Playfair Display",Georgia,serif;font-size:17px;}
.topbar__brand svg{color:var(--brick);margin-right:10px;}
.topbar__actions{display:flex;flex:none;}
.topbar__actions .btn{margin-left:8px;}
.layout{flex:1;display:grid;grid-template-columns:minmax(380px,540px) 1fr;min-height:0;}
.panel--form{padding:22px 22px 0;overflow-y:auto;max-height:calc(100vh - 57px);}
#estimateForm{padding-bottom:24px;}
.panel--preview{background:#dedad3;padding:28px 24px;overflow:auto;max-height:calc(100vh - 57px);border-left:1px solid var(--line);}
.preview-scroll{margin:0 auto;overflow:visible;}
.preview-scale{transform-origin:top left;box-shadow:0 12px 40px -10px rgba(0,0,0,.35),0 2px 6px rgba(0,0,0,.08);background:#fff;}

/* cards */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;box-shadow:var(--shadow);}
.card__title{padding:14px 18px;font-weight:700;font-size:15px;display:flex;align-items:center;border-bottom:1px solid var(--line);}
.card__title small{font-weight:500;color:var(--muted);font-size:12px;margin-left:10px;}
.card__num{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:var(--brick);color:#fff;font-size:12px;font-weight:700;margin-right:12px;flex:none;}
.card__body{padding:16px 18px 10px;}

/* pricing mode toggle */
.seg{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;margin-bottom:12px;}
.seg label{flex:1;cursor:pointer;margin:0;}
.seg input{display:none;}
.seg span{display:block;text-align:center;padding:10px 6px;font-size:13.5px;font-weight:600;color:var(--ink-soft);}
.seg input:checked + span{background:var(--brick);color:#fff;}
.field--onetotal{max-width:260px;margin-top:14px;}
.field--onetotal input{font-size:18px;font-weight:700;}
.app[data-pricemode="total"] .svc__pricefield{display:none;}

/* services */
.svc{border:1px solid var(--line);border-radius:9px;margin-bottom:8px;background:#fff;transition:border-color .15s,background .15s;}
.svc.is-on{border-color:var(--brick);background:#fffdfb;}
.svc__head{display:flex;align-items:center;padding:12px 12px;cursor:pointer;}
.svc__head input[type=checkbox]{width:20px;height:20px;margin:0 12px 0 0;accent-color:var(--brick);cursor:pointer;flex:none;}
.svc__name{font-weight:600;flex:1;}
.svc__body{display:none;padding:12px 12px 10px 44px;border-top:1px dashed var(--line);}
.svc.is-on .svc__body{display:block;}
.svc__body .field{margin-bottom:10px;}
.svc__pricefield{max-width:200px;}
.svc__pricefield input{font-size:16px;font-weight:600;}
.svc__remove{font-size:12px;color:#b3261e;background:none;border:none;cursor:pointer;padding:0;margin-left:10px;}
.totals-live{display:flex;justify-content:flex-end;margin-top:14px;padding:12px 0 6px;border-top:1px solid var(--line);}
.totals-live span{display:block;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.8px;text-align:right;}
.totals-live strong{font-size:22px;font-family:"Playfair Display",Georgia,serif;}

/* action bar — solid toolbar pinned to the bottom of the form */
.panel--form{position:relative;}
.actionbar{
  position:sticky;bottom:0;z-index:15;
  margin:0 -22px -120px;padding:12px 22px calc(12px + env(safe-area-inset-bottom));
  background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 18px -8px rgba(0,0,0,.18);
  display:flex;flex-wrap:wrap;align-items:center;
}
.actionbar .btn{margin:0 10px 0 0;}
.actionbar__hint{width:100%;margin:8px 0 0;}
.actionbar__hint:empty{display:none;}

/* busy */
.busy{position:fixed;inset:0;background:rgba(28,31,35,.45);display:flex;align-items:center;justify-content:center;z-index:200;}
.busy__box{background:#fff;border-radius:12px;padding:22px 28px;display:flex;align-items:center;font-weight:600;box-shadow:var(--shadow);}
.spinner{width:22px;height:22px;border:3px solid #e2ded7;border-top-color:var(--brick);border-radius:50%;margin-right:14px;animation:spin .8s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}

/* mobile */
.mobile-tabs{display:none;}
@media (max-width:980px){
  .layout{display:block;}
  .panel--form,.panel--preview{max-height:none;overflow:visible;}
  .panel--preview{border-left:none;padding:18px 12px;}
  .mobile-tabs{display:flex;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:57px;z-index:19;}
  .mobile-tab{flex:1;border:none;background:none;padding:12px;font-weight:600;color:var(--muted);border-bottom:2px solid transparent;cursor:pointer;}
  .mobile-tab.is-active{color:var(--brick);border-bottom-color:var(--brick);}
  .app[data-tab="edit"] #panelPreview{display:none;}
  .app[data-tab="preview"] #panelEdit{display:none;}
  .topbar{padding:10px 14px;}
  .topbar__brand span{font-size:15px;white-space:nowrap;}
  .topbar__actions .btn{padding:7px 10px;font-size:12.5px;}
  .panel--form{padding:14px 12px 0;}
  .field input,.field textarea{font-size:16px;}            /* prevents iOS auto-zoom */
  .svc__head{padding:14px 12px;}
  .actionbar{margin:0 -12px 0;padding:10px 12px calc(10px + env(safe-area-inset-bottom));}
  .actionbar .btn{width:100%;margin:0 0 8px;}
  .actionbar .btn:last-of-type{margin-bottom:0;}
  .actionbar__hint{display:none;}
  .btn--big{padding:14px 20px;}
  .grid-2{grid-template-columns:1fr;}
  .svc__body{padding-left:12px;}
  .svc__pricefield{max-width:none;}
}