:root{
  --paper:#F6F4EF; --surface:#FFFFFF; --surface2:#EFEBE3; --ink:#25211A; --muted:#6F6759;
  --line:#DED8CC; --accent:#2F5D50; --accent-soft:#E3EBE7; --on-accent:#FFFFFF;
  --brass:#8A6B24; --brass-soft:#F3ECDC; --danger:#9C4A2F;
  --shadow:0 1px 3px rgba(37,33,26,.08),0 4px 16px rgba(37,33,26,.06);
}
@media (prefers-color-scheme: dark){
  :root{
    --paper:#191611; --surface:#211D17; --surface2:#2A251D; --ink:#EDE6DA; --muted:#9C917F;
    --line:#3A3428; --accent:#6FA995; --accent-soft:#243530; --on-accent:#12100C;
    --brass:#C9A24B; --brass-soft:#332C1B; --danger:#D07B5A;
    --shadow:0 1px 3px rgba(0,0,0,.4),0 4px 16px rgba(0,0,0,.3);
  }
}
:root[data-theme="light"]{
  --paper:#F6F4EF; --surface:#FFFFFF; --surface2:#EFEBE3; --ink:#25211A; --muted:#6F6759;
  --line:#DED8CC; --accent:#2F5D50; --accent-soft:#E3EBE7; --on-accent:#FFFFFF;
  --brass:#8A6B24; --brass-soft:#F3ECDC; --danger:#9C4A2F;
  --shadow:0 1px 3px rgba(37,33,26,.08),0 4px 16px rgba(37,33,26,.06);
}
:root[data-theme="dark"]{
  --paper:#191611; --surface:#211D17; --surface2:#2A251D; --ink:#EDE6DA; --muted:#9C917F;
  --line:#3A3428; --accent:#6FA995; --accent-soft:#243530; --on-accent:#12100C;
  --brass:#C9A24B; --brass-soft:#332C1B; --danger:#D07B5A;
  --shadow:0 1px 3px rgba(0,0,0,.4),0 4px 16px rgba(0,0,0,.3);
}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);
  font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
.serif{font-family:"Iowan Old Style","Palatino Linotype","Book Antiqua",Georgia,serif}
.num{font-variant-numeric:tabular-nums}
button{font:inherit;color:inherit;cursor:pointer;border:none;background:none}
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
input,select,textarea{font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:8px 10px}
textarea{resize:vertical;min-height:54px}
@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}

/* ---------- login ---------- */
#login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.login-card{width:min(400px,100%);background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:36px 32px}
.login-card h1{font-size:26px;margin:0 0 2px;text-wrap:balance}
.login-card .sub{color:var(--muted);font-size:13px;margin:0 0 26px}
.login-card label{display:block;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:14px 0 5px}
.login-card input{width:100%}
.login-err{color:var(--danger);font-size:13px;min-height:18px;margin:10px 0 0}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--on-accent);border-radius:9px;padding:10px 18px;font-weight:600}
.btn:hover{filter:brightness(1.06)}
.btn.block{width:100%;justify-content:center;margin-top:18px}
.btn.ghost{background:none;color:var(--accent);border:1px solid var(--accent)}
.btn.quiet{background:var(--surface2);color:var(--ink)}
.btn.danger{background:none;border:1px solid var(--danger);color:var(--danger)}
.btn.sm{padding:6px 12px;font-size:13px}
.mock-note{margin-top:22px;padding-top:16px;border-top:1px dashed var(--line);color:var(--muted);font-size:12px}

/* ---------- shell ---------- */
#app{display:none;min-height:100vh;flex-direction:column}
.topbar{position:sticky;top:0;z-index:40;background:var(--paper);border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:16px;padding:10px 18px;flex-wrap:wrap}
.brand{font-size:17px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.brand small{display:block;font:11px/1.2 system-ui,sans-serif;color:var(--muted);letter-spacing:.12em;text-transform:uppercase;font-weight:500}
.nav{display:flex;gap:2px;flex-wrap:wrap}
.nav button{padding:7px 13px;border-radius:8px;color:var(--muted);font-weight:500;font-size:14px}
.nav button:hover{background:var(--surface2);color:var(--ink)}
.nav button[aria-current="true"]{background:var(--accent-soft);color:var(--accent);font-weight:600}
.topbar .spacer{flex:1}
.proj-chip{font-size:12.5px;color:var(--muted);text-align:right;line-height:1.3;padding:5px 10px;border-radius:9px;display:block}
.proj-chip:hover{background:var(--surface2)}
.proj-chip b{color:var(--ink)}
.proj-chip .caret{font-size:10px;margin-left:3px}
main{flex:1;width:100%;max-width:1240px;margin:0 auto;padding:22px 18px 90px}
.view{display:none}.view.active{display:block}
h2.screen{font-size:24px;margin:4px 0 4px;text-wrap:balance}
p.lede{color:var(--muted);margin:0 0 22px;max-width:62ch}

/* ---------- projects ---------- */
.proj-list{display:flex;flex-direction:column;gap:10px;max-width:760px}
.proj-row{display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 18px;width:100%}
.proj-row .pr-open{flex:1;display:flex;align-items:center;gap:14px;text-align:left;padding:0}
.proj-row:hover{border-color:var(--accent)}
.proj-row .pr-name{font-weight:600}
.proj-row .pr-prop{color:var(--muted);font-size:13px}
.proj-row .pr-meta{margin-left:auto;text-align:right;font-size:13px;color:var(--muted)}
.proj-row .pr-total{color:var(--brass);font-weight:700;font-size:15px}
.tag{display:inline-block;font-size:11px;letter-spacing:.05em;text-transform:uppercase;padding:2px 8px;border-radius:999px;background:var(--surface2);color:var(--muted)}
.tag.live{background:var(--accent-soft);color:var(--accent)}

/* ---------- setup ---------- */
.setup-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;max-width:680px}
.setup-grid .full{grid-column:1/-1}
.edit-line{width:36px;height:3px;border-radius:2px;background:var(--danger);margin-top:8px}
.field label{display:block;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:5px}
.field input,.field select{width:100%}
.tier-pick{display:flex;gap:8px;flex-wrap:wrap}
.tier-pick button{flex:1;min-width:120px;border:1.5px solid var(--line);border-radius:10px;padding:10px;text-align:left;background:var(--surface)}
.tier-pick button.sel{border-color:var(--accent);background:var(--accent-soft)}
.tier-pick .tp-name{font-weight:700}
.tier-pick .tp-rate{font-size:12px;color:var(--muted)}
@media (max-width:640px){.setup-grid{grid-template-columns:1fr}}

/* ---------- builder ---------- */
.bl-head{margin-bottom:14px}
.bl-title-row{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.bl-title-row h2{margin:0}
.opts-anchor{position:relative}
.opts{position:absolute;top:calc(100% + 6px);right:0;left:auto;z-index:60;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:16px;width:300px;display:none;text-align:left}
.opts.open{display:block}
.opts h5{margin:0 0 10px;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.opts .o-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;font-size:13.5px}
.opts input{width:110px;padding:6px 8px;text-align:right}
.opts .o-note{font-size:11.5px;color:var(--muted);border-top:1px dashed var(--line);padding-top:10px;margin:2px 0 0}
.builder{display:grid;grid-template-columns:200px minmax(0,1fr) 300px;gap:18px;align-items:start}
.rail{position:sticky;top:64px;display:flex;flex-direction:column;gap:4px}
.rail button{display:flex;justify-content:space-between;gap:8px;align-items:baseline;padding:9px 12px;border-radius:9px;text-align:left;color:var(--muted);font-size:14px}
.rail button:hover{background:var(--surface2);color:var(--ink)}
.rail button.sel{background:var(--accent-soft);color:var(--accent);font-weight:600}
.rail .r-amt{font-size:12px;font-variant-numeric:tabular-nums}
.rail .r-annexb{margin-top:10px;border-top:1px dashed var(--line);padding-top:10px}
.rail .r-add{color:var(--accent);font-size:13px}
.addroom{display:none;flex-direction:column;gap:6px;padding:10px;border:1.5px dashed var(--line);border-radius:10px;margin-top:6px}
.addroom.open{display:flex}
.addroom input{padding:6px 8px;font-size:13px}
.room-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:2px 0 12px}
.room-head h3{font-size:20px;margin:0}
.room-head .rh-total{color:var(--brass);font-weight:700;margin-left:auto}
.icon-btn{color:var(--muted);font-size:13px;padding:4px 7px;border-radius:6px}
.icon-btn:hover{background:var(--surface2);color:var(--ink)}
.icon-btn.warn{color:var(--danger)}
.cards{display:flex;flex-direction:column;gap:10px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px;transition:opacity .15s}
.card.off{opacity:.5;background:transparent}
.card.dragging{opacity:.4;border-style:dashed}
.card.dropover{border-color:var(--accent);box-shadow:0 -2px 0 var(--accent)}
.card .c-top{display:flex;align-items:flex-start;gap:10px}
.drag-h{cursor:grab;color:var(--muted);font-size:15px;padding:2px 2px 0;user-select:none;touch-action:none}
.card .c-name{font-weight:600}
.card .c-desc{color:var(--muted);font-size:13px;margin-top:1px;max-width:56ch}
.card .c-subs{color:var(--muted);font-size:12.5px;margin-top:3px}
.card .c-subs .sline{display:block}
.card .c-price{margin-left:auto;text-align:right;white-space:nowrap}
.card .c-price .amt{font-weight:700;font-size:16px;color:var(--brass)}
.card .c-price .per{display:block;font-size:11.5px;color:var(--muted)}
.savechip{display:inline-block;background:var(--brass-soft);color:var(--brass);font-size:11.5px;font-weight:700;border-radius:999px;padding:1px 8px;margin-top:3px}
.tierchip{display:inline-block;background:var(--accent-soft);color:var(--accent);font-size:10.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;border-radius:999px;padding:1px 7px;margin-left:6px;vertical-align:2px}
.card .c-ctl{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:10px}
.switch{position:relative;width:40px;height:24px;flex:none;border-radius:999px;background:var(--line);transition:background .15s;cursor:pointer}
.switch[aria-checked="true"]{background:var(--accent)}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:var(--surface);transition:left .15s;box-shadow:0 1px 2px rgba(0,0,0,.25)}
.switch[aria-checked="true"]::after{left:19px}
.switch.sm{width:32px;height:19px}
.switch.sm::after{width:13px;height:13px}
.switch.sm[aria-checked="true"]::after{left:16px}
.stepper{display:flex;align-items:center;gap:2px;background:var(--surface2);border-radius:8px;padding:2px}
.stepper button{width:30px;height:30px;border-radius:6px;font-size:17px;line-height:1;color:var(--muted)}
.stepper button:hover{background:var(--surface);color:var(--ink)}
.stepper input{width:56px;text-align:center;font-variant-numeric:tabular-nums;font-size:14px;border:none;background:none;padding:4px 2px;border-radius:6px}
.st-lab{font-size:10.5px;color:var(--muted);display:block;letter-spacing:.05em;text-transform:uppercase}
/* edit panel */
.epanel{display:none;margin-top:12px;border-top:1px dashed var(--line);padding-top:12px}
.epanel.open{display:block}
.epanel .ep-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.epanel .ep-grid .full{grid-column:1/-1}
.epanel label{display:block;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:3px}
.epanel input,.epanel select,.epanel textarea{width:100%;padding:6px 9px;font-size:13.5px}
.epanel .hint{font-size:11.5px;color:var(--muted);margin-top:2px}
.subrows{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.subrow{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.subrow input{width:auto;flex:none}
.subrow .sr-name{flex:1;min-width:130px}
.subrow .sr-qty{width:62px}.subrow .sr-rate{width:84px}
.subrow .sr-priced{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--muted)}
.ep-actions{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
@media (max-width:640px){.epanel .ep-grid{grid-template-columns:1fr}}
.addrow{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:14px;padding:12px 14px;border:1.5px dashed var(--line);border-radius:12px}
.addrow select,.addrow input{padding:7px 9px;font-size:14px}
.addrow .ai-name{flex:2;min-width:150px}.addrow .ai-rate{width:90px}.addrow .ai-dim{width:64px}

/* ledger */
.ledger{position:sticky;top:64px;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:16px 18px}
.led-row{display:flex;justify-content:space-between;gap:10px;font-size:13.5px;padding:2.5px 0;color:var(--muted)}
.led-row b{color:var(--ink);font-weight:500}
.led-row .num{color:var(--ink)}
.led-sec{border-top:1px solid var(--line);margin-top:8px;padding-top:8px}
.led-row.total{font-size:15px}
.led-row.total .num{color:var(--brass);font-weight:700}
.led-row.save{background:var(--brass-soft);border-radius:8px;padding:6px 9px;margin-top:6px}
.led-row.save b,.led-row.save .num{color:var(--brass);font-weight:700}
.led-row.savedet{font-size:12px;padding:1px 9px}
.led-row.savedet span,.led-row.savedet .num{color:var(--brass)}
.led-grand{border-top:2px solid var(--ink);margin-top:10px;padding-top:10px;display:flex;justify-content:space-between;align-items:baseline}
.led-grand .gl{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.led-grand .gv{font-size:24px;font-weight:700;color:var(--brass)}
.led-note{font-size:11.5px;color:var(--muted);margin-top:6px}
.led-actions{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.led-actions .btn{padding:8px 12px;font-size:13.5px}
.seg{display:inline-flex;background:var(--surface2);border-radius:9px;padding:3px;gap:2px}
.seg button{padding:5px 12px;border-radius:7px;font-size:13px;color:var(--muted);font-weight:500}
.seg button.sel{background:var(--surface);color:var(--ink);font-weight:600;box-shadow:0 1px 2px rgba(0,0,0,.12)}
.seg.sm button{padding:3px 9px;font-size:12px}
.mini-toggle{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}

@media (max-width:980px){
  .builder{grid-template-columns:minmax(0,1fr)}
  .rail{position:static;flex-direction:row;overflow-x:auto;padding-bottom:6px;gap:6px;align-items:center}
  .rail button{flex:none;border:1px solid var(--line);border-radius:999px;padding:7px 14px;background:var(--surface)}
  .rail .r-annexb{margin:0;border:0;padding:7px 14px}
  .addroom{display:none!important}
  .ledger{position:fixed;left:0;right:0;bottom:0;top:auto;z-index:50;border-radius:16px 16px 0 0;border-bottom:0;max-height:72vh;overflow:auto;padding-bottom:max(16px,env(safe-area-inset-bottom))}
  .ledger .led-body{display:none}
  .ledger.open .led-body{display:block}
  .led-grand{border-top:0;margin:0;padding:0;cursor:pointer}
  .ledger.open .led-grand{border-top:2px solid var(--ink);margin-top:10px;padding-top:10px}
  main{padding-bottom:130px}
}

/* ---------- compare ---------- */
.cmp-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
table.cmp{border-collapse:collapse;width:100%;min-width:560px;font-size:14px}
table.cmp th,table.cmp td{padding:9px 14px;text-align:right;border-bottom:1px solid var(--line)}
table.cmp th:first-child,table.cmp td:first-child{text-align:left}
table.cmp thead th{font-size:12px;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);background:var(--surface2)}
table.cmp .cur{background:var(--accent-soft)}
table.cmp tfoot td{font-weight:700;color:var(--brass);border-top:2px solid var(--ink);border-bottom:0;font-size:15px}
.cmp-note{color:var(--muted);font-size:13px;margin-top:10px}

/* ---------- rates ---------- */
.rates-tools{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.rates-tools select{padding:8px 10px;font-size:13.5px;max-width:230px}
tr.addrowtr td{background:var(--surface2);border-top:2px solid var(--line);vertical-align:middle}
tr.addrowtr input,tr.addrowtr select{width:100%;padding:5px 8px;font-size:13px}
tr.addrowtr input.rt-in{width:84px}
tr.addrowtr .nr{display:flex;flex-direction:column;gap:4px;min-width:170px}
.rates-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
table.rates{border-collapse:collapse;width:100%;min-width:660px;font-size:14px}
table.rates th,table.rates td{padding:7px 12px;text-align:left;border-bottom:1px solid var(--line)}
table.rates thead th{font-size:12px;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);background:var(--surface2);position:sticky;top:0}
table.rates td.roomcell{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);background:var(--surface2);font-weight:600}
table.rates input.rt-in{width:84px;padding:5px 8px;text-align:right;font-variant-numeric:tabular-nums}
table.rates input.rt-in.edited{border-color:var(--brass);background:var(--brass-soft)}
tr.descrow td{background:var(--surface2)}
.descgrid{display:grid;grid-template-columns:repeat(3,minmax(180px,1fr));gap:8px;padding:4px 0}
.descgrid label{display:block;font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:2px}
.descgrid textarea{width:100%;font-size:12.5px;min-height:44px}
.save-flash{color:var(--accent);font-size:13.5px;font-weight:600;opacity:0;transition:opacity .3s}
.save-flash.show{opacity:1}

/* ---------- revisions ---------- */
.rev-list{display:flex;flex-direction:column;gap:10px;max-width:760px}
.rev-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 18px}
.rev-card .rv-top{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.rev-card .rv-label{font-weight:700;font-size:16px}
.rev-card .rv-when{color:var(--muted);font-size:12.5px}
.rev-card .rv-total{margin-left:auto;color:var(--brass);font-weight:700}
.rev-card .rv-diff{margin-top:6px;font-size:13px;color:var(--muted)}
.rev-card .rv-diff .up{color:var(--danger)}.rev-card .rv-diff .down{color:var(--accent)}

/* ---------- preview ---------- */
.doc-tools{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.doc{background:#FFFFFF;color:#1C1912;max-width:820px;margin:0 auto;border:1px solid var(--line);border-radius:6px;box-shadow:var(--shadow);padding:44px 48px;font-size:13.5px}
.doc .d-head{text-align:center;border-bottom:2.5px solid #1C1912;padding-bottom:14px;margin-bottom:6px}
.doc .d-head .d-brand{font-size:24px;font-weight:700;letter-spacing:.03em}
.doc .d-head .d-sub{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#6F6759}
.doc .d-client{text-align:center;font-size:14px;padding:8px 0;border-bottom:1px solid #DED8CC;margin-bottom:18px}
.doc .d-annex{font-size:12px;letter-spacing:.12em;text-transform:uppercase;text-align:center;color:#8A6B24;font-weight:700;margin:20px 0 10px}
.doc table{border-collapse:collapse;width:100%;font-size:12.5px}
.doc th,.doc td{border:1px solid #C9C2B4;padding:5px 8px;text-align:left;vertical-align:top}
.doc th{background:#EFEBE3;font-size:11px;letter-spacing:.05em;text-transform:uppercase}
.doc td.r,.doc th.r{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.doc tr.sec td{background:#2F5D50;color:#fff;font-weight:700;letter-spacing:.04em}
.doc tr.subtotal td{background:#EFEBE3;font-weight:700}
.doc tr.subline td{color:#4A443A;font-size:12px}
.doc .d-save{color:#8A6B24;font-weight:700;font-size:11.5px}
.doc .d-totals{margin-top:18px;margin-left:auto;width:min(360px,100%)}
.doc .d-totals table td{border:none;padding:3px 8px}
.doc .d-totals tr.hl td{background:#F3ECDC;color:#8A6B24;font-weight:700;border-radius:4px}
.doc .d-totals .grand td{border-top:2px solid #1C1912;font-weight:700;font-size:15px}
.doc .d-notes{margin-top:26px;font-size:11.5px;color:#4A443A}
.doc .d-notes h5{font-size:11px;letter-spacing:.1em;text-transform:uppercase;margin:14px 0 4px;color:#1C1912}
.doc .d-notes ul{margin:0;padding-left:16px}
.doc .d-notes li{margin-bottom:2px}
.doc table.mat{max-width:430px;margin-top:4px}
.doc table.mat td.cur,.doc table.mat th.cur{background:#E3EBE7}
@media (max-width:640px){.doc{padding:22px 16px}}
@media print{
  body *{visibility:hidden}
  .doc,.doc *{visibility:visible}
  .doc{position:absolute;inset:0;border:none;box-shadow:none;border-radius:0;max-width:none}
}
.empty{max-width:520px;margin:60px auto;text-align:center;color:var(--muted)}
.empty .btn{margin-top:14px}
/* sync status bar */
footer.syncbar{position:fixed;bottom:0;left:0;right:0;z-index:30;text-align:center;font-size:11px;color:var(--muted);background:var(--paper);border-top:1px solid var(--line);padding:3px 8px}
footer.syncbar[data-state="pending"]{color:var(--brass)}
footer.syncbar[data-state="offline"],footer.syncbar[data-state="error"]{color:var(--danger)}
@media (max-width:980px){footer.syncbar{display:none}}
.pendtag{display:inline-block;font-size:10.5px;color:var(--brass);background:var(--brass-soft);border-radius:999px;padding:1px 7px;margin-left:6px;vertical-align:1px}