/* ============================================================
   NYC Plan Takeoff Estimator — visual identity
   Palette drawn from the subject's own world: blueprint ink,
   drafting paper, structural slate, hi-vis safety amber.
   ============================================================ */
:root{
  --ink:#0B2239;          /* blueprint ink — deepest navy */
  --ink-2:#123A5E;        /* drafting blue */
  --blue:#1D6FB8;         /* line blue / primary action */
  --blue-lt:#E8F1F9;
  --amber:#F2A900;        /* hi-vis safety amber — the accent */
  --amber-dk:#C98A00;
  --amber-lt:#FFF6E3;
  --green:#0F7A5A;        /* money / go */
  --red:#C0392B;
  --paper:#F3F6FA;        /* drafting paper */
  --card:#FFFFFF;
  --line:#D5E0EA;         /* grid lines */
  --line-2:#EBF1F6;
  --text:#0E2233;
  --muted:#5C7086;
  --radius:12px;
  --shadow:0 1px 2px rgba(11,34,57,.05), 0 6px 20px rgba(11,34,57,.06);
}
*{box-sizing:border-box;margin:0;padding:0}

body{
  font-family:'Inter','Helvetica Neue',Arial,sans-serif;
  color:var(--text); font-size:14px; line-height:1.5;
  background-color:var(--paper);
  /* drafting grid — the paper these estimates are drawn on */
  background-image:
    linear-gradient(rgba(29,111,184,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29,111,184,.055) 1px, transparent 1px);
  background-size:26px 26px;
}
.app{max-width:1180px;margin:0 auto;padding:1.5rem 1.25rem 4rem}

/* ---------- Title block header (the signature element) ---------- */
.header{
  background:var(--ink); color:#fff; border-radius:var(--radius);
  box-shadow:var(--shadow); overflow:hidden; margin-bottom:1.25rem;
  border:1px solid var(--ink);
}
.tb-top{display:flex;align-items:center;gap:14px;padding:1.1rem 1.35rem}
.logo{flex:0 0 auto}
.tb-title h1{
  font-family:'Barlow Condensed','Inter',sans-serif;
  font-size:29px; font-weight:700; letter-spacing:.02em; line-height:1.05;
  text-transform:uppercase;
}
.tb-title .rule{height:2px;width:52px;background:var(--amber);margin:7px 0 6px;border-radius:2px}
.tb-title p{font-size:12.5px;color:#A9C2D8;max-width:640px;line-height:1.5}
/* the title-block strip: name / job / scale / date, like a real drawing sheet */
.tb-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(255,255,255,.14);
  font-family:'IBM Plex Mono','SFMono-Regular',monospace;
}
.tb-cell{padding:.6rem 1.35rem;border-right:1px solid rgba(255,255,255,.14)}
.tb-cell:last-child{border-right:none}
.tb-k{font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:#7FA3C2}
.tb-v{font-size:12.5px;color:#fff;margin-top:2px;font-weight:500}
.tb-v .amber{color:var(--amber)}

/* ---------- Steps ---------- */
.steps{display:flex;gap:8px;margin:0 0 1.25rem;flex-wrap:wrap}
.step-chip{
  display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  background:var(--card);border:1px solid var(--line);font-size:12px;color:var(--muted);
  font-weight:500;box-shadow:0 1px 2px rgba(11,34,57,.04);
}
.step-chip .n{
  width:20px;height:20px;border-radius:50%;background:var(--line);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:11px;
  font-family:'IBM Plex Mono',monospace;
}
.step-chip.active{border-color:var(--blue);color:var(--ink);font-weight:600;box-shadow:0 0 0 3px rgba(29,111,184,.10)}
.step-chip.active .n{background:var(--blue)}
.step-chip.done{border-color:#BFE3D5;color:var(--green)}
.step-chip.done .n{background:var(--green)}

/* ---------- Sections & cards ---------- */
.section{margin-bottom:1.25rem}
.section-title{
  font-family:'Barlow Condensed','Inter',sans-serif;
  font-size:15px;font-weight:600;color:var(--ink);text-transform:uppercase;letter-spacing:.09em;
  margin-bottom:.7rem;display:flex;align-items:center;gap:10px;
}
.section-title::before{content:'';width:3px;height:15px;background:var(--amber);border-radius:2px;flex:0 0 auto}
.section-title::after{content:'';flex:1;height:1px;background:var(--line)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem 1.35rem;margin-bottom:.85rem;box-shadow:var(--shadow)}
.data-note{
  font-size:11.5px;color:var(--ink-2);background:var(--amber-lt);border:1px solid #F5DFA8;
  border-radius:8px;padding:8px 12px;margin-top:10px;display:inline-block;
}

/* ---------- Dropzone ---------- */
.drop{
  border:2px dashed #B9CDDD;border-radius:var(--radius);padding:2.5rem 1.5rem;text-align:center;
  background:var(--card);cursor:pointer;transition:.15s;box-shadow:var(--shadow);
}
.drop:hover,.drop.hover{border-color:var(--blue);background:var(--blue-lt)}
.drop .big{font-size:38px}
.drop h3{font-family:'Barlow Condensed',sans-serif;font-size:20px;font-weight:600;margin:8px 0 4px;color:var(--ink);text-transform:uppercase;letter-spacing:.03em}
.drop p{font-size:12.5px;color:var(--muted);max-width:640px;margin:0 auto}
.filelist{margin-top:12px;display:flex;flex-direction:column;gap:6px}
.fileitem{display:flex;align-items:center;gap:10px;padding:9px 12px;background:var(--card);border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:8px;font-size:13px}
.fileitem .rm{margin-left:auto;color:var(--red);cursor:pointer;font-weight:700;border:none;background:none;font-size:16px}

/* ---------- Buttons ---------- */
.btn{
  padding:10px 18px;font-size:13.5px;font-weight:600;border:1px solid var(--line);
  border-radius:9px;background:var(--card);color:var(--ink);cursor:pointer;font-family:inherit;
  transition:.15s;box-shadow:0 1px 2px rgba(11,34,57,.04);
}
.btn:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-lt)}
.btn:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.btn-primary{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn-primary:hover{background:var(--ink-2);border-color:var(--ink-2);color:#fff}
.btn-primary:disabled{background:#B9CDDD;border-color:#B9CDDD;color:#fff;cursor:not-allowed}
.btn-green{background:var(--green);color:#fff;border-color:var(--green)}
.btn-green:hover{background:#0B6248;border-color:#0B6248;color:#fff}
.actions{display:flex;gap:8px;margin-top:1.1rem;flex-wrap:wrap}
.hidden{display:none}

/* ---------- Forms ---------- */
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.field{display:flex;flex-direction:column;gap:5px}
.field label{font-size:12px;color:var(--ink);font-weight:600}
.field .hint{font-size:11px;color:var(--muted);font-weight:400}
.field input,.field select{
  padding:9px 11px;font-size:14px;border:1px solid var(--line);border-radius:8px;
  background:var(--card);font-family:inherit;outline:none;width:100%;color:var(--text);
}
.field input:focus,.field select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(29,111,184,.13)}
.field.ai input,.field.ai select{background:var(--amber-lt);border-color:#F0D391}

/* ---------- Progress ---------- */
.spinner{display:inline-block;width:18px;height:18px;border:2px solid var(--blue);border-top-color:transparent;border-radius:50%;animation:spin .7s linear infinite;vertical-align:-4px;margin-right:8px}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.spinner{animation:none}}
.progress{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;text-align:center;box-shadow:var(--shadow)}
.progress .msg{font-size:15px;color:var(--ink);font-weight:600;margin-top:10px}
.progress .sub{font-size:12px;color:var(--muted);margin-top:4px}

/* ---------- Tables ---------- */
table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:12.5px;box-shadow:var(--shadow)}
thead tr{background:var(--ink)}
th{padding:9px 10px;text-align:left;color:#fff;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.09em;font-family:'Barlow Condensed',sans-serif}
th.num{text-align:right}
td{padding:8px 10px;border-bottom:1px solid var(--line-2);vertical-align:middle}
tbody tr:hover{background:#F8FBFD}
/* money and quantities in a drafting-spec monospace */
td.num{text-align:right;font-family:'IBM Plex Mono','SFMono-Regular',monospace;font-variant-numeric:tabular-nums;font-size:12px}
tr.divhdr td{background:var(--ink-2);color:#fff;font-weight:700;font-size:10.5px;text-transform:uppercase;letter-spacing:.09em;font-family:'Barlow Condensed',sans-serif}
tr.subtot td{background:var(--blue-lt);font-weight:700;color:var(--ink)}
tr.subtot td.num{color:var(--blue)}
.basis{font-size:11px;color:var(--muted)}
input.cell{
  width:80px;padding:5px 7px;font-size:12px;text-align:right;border:1px solid var(--line);
  border-radius:6px;background:#FBFDFE;outline:none;
  font-family:'IBM Plex Mono',monospace;font-variant-numeric:tabular-nums;color:var(--ink);
}
input.cell:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 2px rgba(29,111,184,.14)}
td .rm{margin-left:6px;color:#9DB2C4;background:none;border:none;cursor:pointer;font-weight:700}
td .rm:hover{color:var(--red)}

/* ---------- Metrics ---------- */
.summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:1.1rem}
.metric{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1.1rem;box-shadow:var(--shadow);border-top:3px solid var(--blue)}
.metric:nth-child(2){border-top-color:var(--amber)}
.metric:nth-child(3){border-top-color:var(--green)}
.metric:nth-child(4){border-top-color:var(--ink-2)}
.metric-label{font-size:10px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.1em;margin-bottom:5px}
.metric-value{font-family:'IBM Plex Mono',monospace;font-size:24px;font-weight:600;color:var(--ink);letter-spacing:-.02em}
.metric-sub{font-size:11px;color:var(--muted);margin-top:3px}

/* ---------- Totals ---------- */
.totals{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem 1.35rem;margin-top:1rem;box-shadow:var(--shadow)}
.totals .r{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px solid var(--line-2)}
.totals .r:last-child{border:none}
.totals .r.big{border-top:2px solid var(--ink);margin-top:6px;padding-top:12px;border-bottom:none}
.totals .r.big .l{font-family:'Barlow Condensed',sans-serif;font-size:19px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--ink)}
.totals .r.big .v{font-size:25px;color:var(--blue)}
.totals .l{color:var(--muted)}
.totals .v{font-weight:600;font-family:'IBM Plex Mono',monospace;font-variant-numeric:tabular-nums;color:var(--ink)}
.cont-row{display:flex;align-items:center;gap:8px;margin-top:10px;padding:10px 13px;background:var(--blue-lt);border:1px solid #D3E4F2;border-radius:9px;flex-wrap:wrap}
.cont-row input{width:64px;padding:5px 8px;border:1px solid var(--line);border-radius:6px;font-family:'IBM Plex Mono',monospace;outline:none;text-align:right}
.cont-row input:focus{border-color:var(--blue)}
.cont-row .l{color:var(--muted);font-size:12.5px}

/* ---------- Notes ---------- */
.note{font-size:12px;color:var(--ink-2);padding:11px 14px;background:var(--card);border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:8px;line-height:1.6;margin-top:.75rem}
.note.warn{border-left-color:var(--amber);background:var(--amber-lt);border-color:#F5DFA8}
.note.err{border-left-color:var(--red);background:#FDF1F0;color:#7C2318;border-color:#F3CFC9}
.ai-badge{font-size:9.5px;font-weight:700;color:var(--ink);background:var(--amber);padding:2px 7px;border-radius:4px;text-transform:uppercase;letter-spacing:.08em}

/* ---------- Client proposal ---------- */
.proposal{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:2.25rem 2.5rem;line-height:1.65;box-shadow:var(--shadow)}
.prop-head{border-bottom:3px solid var(--ink);padding-bottom:1rem;margin-bottom:1.35rem}
.prop-head h2{font-family:'Barlow Condensed',sans-serif;font-size:32px;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:var(--ink)}
.prop-sub{font-size:13px;color:var(--muted);margin-top:3px}
.prop-hero{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;background:var(--ink);border-radius:var(--radius);padding:1.3rem 1.5rem;margin-bottom:1.5rem}
.prop-hero .metric-label{color:#7FA3C2}
.prop-hero .metric-sub{color:#A9C2D8}
.prop-price{font-family:'IBM Plex Mono',monospace;font-size:28px;font-weight:600;color:var(--amber);letter-spacing:-.02em}
.proposal h3{font-family:'Barlow Condensed',sans-serif;font-size:15px;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--ink);margin:1.6rem 0 .6rem;padding-bottom:.35rem;border-bottom:1px solid var(--line)}
.prop-table{width:100%;border-collapse:collapse;font-size:13px;box-shadow:none;border-radius:0}
.prop-table th{background:var(--ink-2)}
.prop-table td.num,.prop-table th.num{text-align:right}
.prop-list{margin:0;padding-left:1.15rem;font-size:13px;color:var(--ink-2)}
.prop-list li{margin-bottom:.4rem}
.prop-sign{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;margin-top:2.75rem;font-size:12px;color:var(--muted)}
.sig-line{border-bottom:1.5px solid var(--ink);height:2.4rem;margin-bottom:6px}

/* ---------- Responsive ---------- */
@media(max-width:820px){
  .grid4,.grid3{grid-template-columns:1fr 1fr}
  .summary-grid{grid-template-columns:1fr 1fr}
  .tb-strip{grid-template-columns:1fr 1fr}
  .tb-cell:nth-child(2){border-right:none}
  .prop-hero,.prop-sign{grid-template-columns:1fr}
  .proposal{padding:1.5rem 1.25rem}
}

/* ---------- Print ---------- */
@media print{
  body{background:#fff}
  .no-print,.steps,.header{display:none}
  .proposal{border:none;padding:0;box-shadow:none}
  .cell{border:none;background:transparent}
  .rm{display:none}
}
/* brand lockup */
.brand{
  font-family:'Barlow Condensed','Inter',sans-serif;
  font-size:12.5px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;
  color:var(--amber);margin-bottom:1px;
}
.prop-brand{display:flex;align-items:center;gap:11px;margin-bottom:1.1rem}
.pb-name{font-family:'Barlow Condensed',sans-serif;font-size:19px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ink);line-height:1.1}
.pb-tag{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-top:1px}
/* gantt timeline */
.gantt{position:relative;height:12px;background:var(--line-2);border-radius:3px;min-width:150px}
.gantt .bar{position:absolute;top:0;height:12px;background:var(--blue);border-radius:3px;opacity:.55}
.gantt .bar-ph{background:var(--amber);opacity:1}