/* Layout: architect's drawing set. Fixed sheet index on the left, a title block across the top of every project, content below on a limestone ground. */
:root{
  --paper:#EEEFEC; --surface:#FCFCFA; --sunk:#E3E5E2; --ink:#18213A; --muted:#5A6275; --line:#D3D6DC; --line-strong:#A9AFBD;
  --accent:#1E3461; --accent-ink:#FFFFFF; --accent-soft:#DFE5F0; --brass:#94733D;
  --ok:#2B7349; --ok-bg:#DFEEE4; --warn:#9A5F0E; --warn-bg:#F5E9D3; --bad:#A8352A; --bad-bg:#F5DFDB; --info:#2D5A86; --info-bg:#DEE8F2;
  --hatch:rgba(24,33,58,.07); --shadow:0 18px 50px rgba(20,26,45,.18);
  --f-display:'Libre Caslon Text','Iowan Old Style','Palatino Linotype',Georgia,serif;
  --f-body:'Instrument Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --f-mono:'IBM Plex Mono',ui-monospace,'Cascadia Mono',Consolas,monospace;
  --r:6px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --paper:#10131B; --surface:#171B26; --sunk:#0B0D13; --ink:#E6E9F0; --muted:#99A1B3; --line:#272D3B; --line-strong:#3B4356;
  --accent:#9DB6E6; --accent-ink:#0E1424; --accent-soft:#1C2640; --brass:#C9A56A;
  --ok:#6CC594; --ok-bg:#15271D; --warn:#E2A957; --warn-bg:#2A2114; --bad:#EC7E72; --bad-bg:#2E1917; --info:#83B4E2; --info-bg:#15212D;
  --hatch:rgba(229,233,229,.06); --shadow:0 18px 50px rgba(0,0,0,.5); color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#10131B; --surface:#171B26; --sunk:#0B0D13; --ink:#E6E9F0; --muted:#99A1B3; --line:#272D3B; --line-strong:#3B4356;
  --accent:#9DB6E6; --accent-ink:#0E1424; --accent-soft:#1C2640; --brass:#C9A56A;
  --ok:#6CC594; --ok-bg:#15271D; --warn:#E2A957; --warn-bg:#2A2114; --bad:#EC7E72; --bad-bg:#2E1917; --info:#83B4E2; --info-bg:#15212D;
  --hatch:rgba(229,233,229,.06); --shadow:0 18px 50px rgba(0,0,0,.5); color-scheme:dark}

*{box-sizing:border-box}
html,body{min-height:100%}
body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}
.signed-out .app{grid-template-columns:minmax(0,1fr)}
.signed-out .side{display:none}
.auth{min-height:calc(100vh - 80px);display:grid;place-items:center}
.auth-card{width:min(420px,100%);background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:28px;display:flex;flex-direction:column;gap:20px;box-shadow:var(--shadow)}
.auth-card form{display:flex;flex-direction:column;gap:14px}
.auth-card .form-err{padding:0}
.auth-links{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;color:var(--muted)}
body{background:var(--paper);color:var(--ink);font:15px/1.5 var(--f-body);-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--f-display);font-weight:400;text-wrap:balance;margin:0;letter-spacing:.01em}
h1{font-size:clamp(26px,3.2vw,36px);line-height:1.1}
h2{font-size:22px;line-height:1.2}
h3{font-size:17px;line-height:1.25}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.num{font-variant-numeric:tabular-nums}
.lbl{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.muted{color:var(--muted)}
.small{font-size:13px}

/* shell */
.app{display:grid;grid-template-columns:248px minmax(0,1fr);min-height:100vh}
.side{background:var(--surface);border-right:1px solid var(--line);padding:22px 18px;display:flex;flex-direction:column;gap:22px;position:sticky;top:0;height:100vh;overflow-y:auto}
.brand{display:flex;gap:12px;align-items:center}
.mark{width:40px;height:44px;flex:none;color:var(--accent)}
.mark svg{width:100%;height:100%;display:block}
.brand-name{font-family:var(--f-display);font-weight:700;font-size:17px;line-height:1.1;color:var(--accent)}
.brand-sub{font-family:var(--f-mono);font-size:9.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);margin-top:4px}
.seg{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:var(--r);padding:3px;gap:3px;background:var(--sunk)}
.seg button{border:0;background:transparent;padding:6px 4px;border-radius:4px;font-size:12.5px;cursor:pointer;color:var(--muted)}
.seg button[aria-pressed="true"]{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.08);font-weight:500}
.side select{width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
.nav{display:flex;flex-direction:column;gap:2px}
.nav button{display:flex;justify-content:space-between;align-items:center;gap:8px;text-align:left;border:0;background:transparent;padding:8px 10px;border-radius:var(--r);cursor:pointer;color:var(--ink);font-size:14.5px}
.nav button:hover{background:var(--sunk)}
.nav button[aria-current="page"]{background:var(--accent-soft);color:var(--accent);font-weight:600}
.nav .count{font-family:var(--f-mono);font-size:11px;min-width:20px;height:20px;padding:0 6px;border-radius:10px;background:var(--brass);color:var(--surface);display:grid;place-items:center}
.nav-sep{height:1px;background:var(--line);margin:8px 0}
.who{margin-top:auto;display:flex;gap:10px;align-items:center;padding-top:14px;border-top:1px solid var(--line)}
.who img{width:30px;height:30px;border-radius:50%}
.who .n{font-size:13.5px;font-weight:500;line-height:1.2}
.main{min-width:0;padding-block:24px 64px;padding-left:max(28px,env(safe-area-inset-left,0px));padding-right:max(28px,env(safe-area-inset-right,0px))}
.wrap{max-width:1180px;margin:0 auto;display:flex;flex-direction:column;gap:22px}

/* title block */
.titleblock{display:grid;grid-template-columns:minmax(0,2.2fr) repeat(4,minmax(0,1fr));border:1px solid var(--ink);background:var(--surface)}
.titleblock>div{padding:14px 16px;border-left:1px solid var(--line-strong);display:flex;flex-direction:column;gap:6px;min-width:0}
.titleblock>div:first-child{border-left:0}
.titleblock .v{font-size:14.5px;overflow-wrap:anywhere}
.phasebar{display:grid;grid-template-columns:repeat(9,1fr);gap:3px}
.phasebar span{height:8px;background:var(--sunk);border:1px solid var(--line)}
.phasebar span.done{background:var(--accent);border-color:var(--accent)}
.phasebar span.now{background:repeating-linear-gradient(135deg,var(--brass) 0 4px,transparent 4px 7px);border-color:var(--brass)}
.phase-legend{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:6px}
.banner{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding:10px 14px;border:1px dashed var(--brass);border-radius:var(--r);background:var(--surface);font-size:13.5px}
.banner b{color:var(--brass);font-weight:600}

/* generic */
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.between{justify-content:space-between}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:14px;flex-wrap:wrap}
.sec-head p{max-width:62ch}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.grid2{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:18px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line-strong);background:var(--surface);padding:8px 14px;border-radius:var(--r);cursor:pointer;font-size:14px;font-weight:500;text-decoration:none;color:var(--ink);white-space:nowrap}
.btn:hover{border-color:var(--ink)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.danger{color:var(--bad);border-color:var(--bad)}
.btn.sm{padding:5px 10px;font-size:13px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.linkbtn{border:0;background:none;padding:0;color:var(--accent);cursor:pointer;font-size:13px;text-decoration:underline;text-underline-offset:2px}
.linkbtn.bad{color:var(--bad)}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:3px 9px;border-radius:999px;white-space:nowrap;background:var(--sunk);color:var(--muted)}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.pill.ok{background:var(--ok-bg);color:var(--ok)}
.pill.warn{background:var(--warn-bg);color:var(--warn)}
.pill.bad{background:var(--bad-bg);color:var(--bad)}
.pill.info{background:var(--info-bg);color:var(--info)}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:5px 12px;font-size:13px;cursor:pointer}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.empty{border:1px dashed var(--line-strong);border-radius:var(--r);padding:34px 20px;text-align:center;display:flex;flex-direction:column;gap:10px;align-items:center;background:var(--surface)}
.empty p{max-width:52ch;color:var(--muted)}
.hatch{background:repeating-linear-gradient(45deg,var(--hatch) 0 1px,transparent 1px 9px),var(--sunk)}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;font-family:var(--f-mono);font-weight:500;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding:10px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
tr:last-child td{border-bottom:0}
tr.superseded td{color:var(--muted)}
.right{text-align:right}

/* overview */
.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.stats>div{background:var(--surface);padding:14px 16px;display:flex;flex-direction:column;gap:4px}
.stats .big{font-family:var(--f-display);font-size:24px;font-variant-numeric:tabular-nums}
.stats .total{grid-column:1/-1;background:var(--accent-soft)}
.todo{display:flex;flex-direction:column}
.todo button{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:12px;align-items:center;text-align:left;border:0;border-bottom:1px solid var(--line);background:none;padding:12px 2px;cursor:pointer}
.todo button:last-child{border-bottom:0}
.todo button:hover .t{text-decoration:underline}
.todo .t{font-weight:500}
.thumbs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.thumbs button{border:0;padding:0;background:none;cursor:pointer;aspect-ratio:4/3;max-width:100%;overflow:hidden;border-radius:4px}
.thumbs img{width:100%;height:100%;object-fit:cover;display:block}

/* selections */
.room-group{display:flex;flex-direction:column;gap:12px}
.room-group>h3{display:flex;gap:10px;align-items:baseline}
.sel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px;display:flex;flex-direction:column;gap:14px}
.sel-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;flex-wrap:wrap}
.sel-head .t{font-size:17px;font-weight:600}
.opts{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:12px}
.opt{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;background:var(--paper)}
.opt.chosen{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent)}
.opt .img{aspect-ratio:4/3;max-width:100%;display:grid;place-items:center;color:var(--muted);font-family:var(--f-mono);font-size:11px}
.opt .img img{width:100%;height:100%;object-fit:cover;display:block}
.opt .body{padding:10px 12px;display:flex;flex-direction:column;gap:4px;flex:1}
.opt .foot{padding:0 12px 12px}
.delta-up{color:var(--warn)}
.delta-down{color:var(--ok)}
.sel-foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center;border-top:1px solid var(--line);padding-top:12px}

/* vision */
.board{columns:4 220px;column-gap:14px}
.pin{break-inside:avoid;margin-bottom:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}
.pin img{width:100%;display:block}
.pin .sw{height:140px}
.pin .note{padding:18px 16px 6px;font-family:var(--f-display);font-size:18px;line-height:1.35}
.pin .meta{padding:10px 12px;display:flex;flex-direction:column;gap:3px}
.pin .meta .row{justify-content:space-between}

/* change orders */
.co{background:var(--surface);border:1px solid var(--line);border-radius:var(--r)}
.co+.co{margin-top:10px}
.co-row{display:grid;grid-template-columns:90px minmax(0,1fr) auto 120px 80px;gap:14px;align-items:center;padding:14px 16px;cursor:pointer;width:100%;border:0;background:none;text-align:left}
.co-row:hover .t{text-decoration:underline}
.co-row .t{font-weight:600}
.co-detail{border-top:1px solid var(--line);padding:16px;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:20px}
.co-detail .desc{white-space:pre-wrap;max-width:65ch}
.sign{border:1px solid var(--ink);border-radius:var(--r);padding:14px;display:flex;flex-direction:column;gap:10px;background:var(--paper)}
.sign input[type=text]{font-family:var(--f-display);font-size:20px;border:0;border-bottom:1px solid var(--ink);background:transparent;padding:4px 2px;border-radius:0}
.check{display:flex;gap:8px;align-items:flex-start;font-size:13.5px}
.check input{margin-top:3px}
.dl{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:14px}
.dl dt{color:var(--muted)}
.dl dd{margin:0}

/* photos */
.photos{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}
.photo{border:0;padding:0;background:var(--surface);border-radius:var(--r);overflow:hidden;cursor:pointer;text-align:left;border:1px solid var(--line);display:flex;flex-direction:column}
.photo .img{aspect-ratio:4/3;max-width:100%;overflow:hidden}
.photo img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}
.photo:hover img{transform:scale(1.03)}
.photo .cap{padding:9px 11px;font-size:13.5px;display:flex;flex-direction:column;gap:2px}
.lightbox{position:fixed;inset:0;background:rgba(8,11,10,.92);z-index:60;display:grid;grid-template-rows:auto minmax(0,1fr) auto;padding:max(14px,env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) max(14px,env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));color:#EEF0EC;gap:12px}
.lightbox img{max-width:100%;max-height:100%;object-fit:contain;margin:auto;display:block}
.lightbox .bar{display:flex;justify-content:space-between;align-items:center;gap:12px}
.lightbox button{background:rgba(255,255,255,.12);color:#fff;border:0;border-radius:var(--r);padding:8px 14px;cursor:pointer}

/* messages */
.thread{display:flex;flex-direction:column;height:min(68vh,720px);background:var(--surface);border:1px solid var(--line);border-radius:var(--r)}
.msgs{flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:14px}
.msg{max-width:min(560px,85%);display:flex;flex-direction:column;gap:4px}
.msg.me{align-self:flex-end;align-items:flex-end}
.msg .b{padding:10px 14px;border-radius:12px;background:var(--sunk);white-space:pre-wrap;overflow-wrap:anywhere}
.msg.me .b{background:var(--accent);color:var(--accent-ink)}
.msg .who2{font-size:12px;color:var(--muted)}
.day{align-self:center;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.composer{border-top:1px solid var(--line);padding:12px;display:flex;gap:10px;align-items:flex-end}
.composer textarea{flex:1;min-width:0;resize:vertical;min-height:44px;max-height:200px;padding:10px 12px;border:1px solid var(--line);border-radius:var(--r);background:var(--paper)}

/* forms + modal */
.modal-wrap{position:fixed;inset:0;background:rgba(10,14,12,.5);z-index:50;display:grid;place-items:center;padding:max(16px,env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) max(16px,env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px))}
.modal{background:var(--surface);border-radius:10px;box-shadow:var(--shadow);width:min(640px,100%);max-height:calc(100vh - 32px);display:flex;flex-direction:column;border:1px solid var(--line)}
.modal header{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid var(--line)}
.modal form{display:flex;flex-direction:column;min-height:0}
.modal .mbody{padding:18px 20px;overflow-y:auto;display:flex;flex-direction:column;gap:14px}
.modal footer{display:flex;justify-content:flex-end;gap:10px;padding:14px 20px;border-top:1px solid var(--line)}
.icon-btn{border:0;background:none;font-size:22px;line-height:1;cursor:pointer;color:var(--muted);padding:4px 8px}
.fld{display:flex;flex-direction:column;gap:5px;min-width:0}
.fld>span{font-size:13px;font-weight:500}
.fld small{color:var(--muted);font-size:12px}
.fld input,.fld select,.fld textarea{width:100%;padding:9px 11px;border:1px solid var(--line-strong);border-radius:var(--r);background:var(--paper)}
.fld textarea{min-height:90px;resize:vertical}
.fgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.fgrid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.fieldset{border:1px solid var(--line);border-radius:var(--r);padding:14px;display:flex;flex-direction:column;gap:12px}
.fieldset legend{padding:0 6px}
.form-err{color:var(--bad);font-size:13.5px;padding:0 20px}
.info{background:var(--info-bg);color:var(--ink);border-radius:var(--r);padding:12px 14px;font-size:13.5px;display:flex;flex-direction:column;gap:6px}
.people{display:flex;flex-direction:column;gap:6px}
.person{display:flex;gap:10px;align-items:center;justify-content:space-between;border:1px solid var(--line);border-radius:var(--r);padding:6px 10px}
.person img{width:24px;height:24px;border-radius:50%}
.toast{position:fixed;left:50%;bottom:max(20px,calc(env(safe-area-inset-bottom,0px) + 12px));transform:translateX(-50%);background:var(--ink);color:var(--paper);padding:10px 16px;border-radius:var(--r);font-size:14px;z-index:70;box-shadow:var(--shadow);max-width:calc(100vw - 32px)}
.toast.bad{background:var(--bad);color:#fff}

@media (max-width:980px){
  .titleblock{grid-template-columns:repeat(2,minmax(0,1fr))}
  .titleblock>div:first-child{grid-column:1/-1}
  .titleblock>div{border-left:0;border-top:1px solid var(--line-strong)}
  .titleblock>div:first-child{border-top:0}
  .titleblock>div:nth-child(odd):not(:first-child){border-left:1px solid var(--line-strong)}
  .grid2,.co-detail{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:820px){
  .app{grid-template-columns:minmax(0,1fr)}
  .side{position:static;height:auto;border-right:0;border-bottom:1px solid var(--line);padding:16px max(16px,env(safe-area-inset-right,0px)) 14px max(16px,env(safe-area-inset-left,0px));gap:14px}
  .nav{flex-direction:row;flex-wrap:wrap;gap:4px}
  .nav button{padding:6px 10px;font-size:13.5px;background:var(--sunk)}
  .nav-sep{display:none}
  .who{margin-top:0;padding-top:10px}
  .main{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:18px 48px}
  .co-row{grid-template-columns:70px minmax(0,1fr) auto;row-gap:6px}
  .co-row .c4,.co-row .c5{grid-column:2/-1}
  .co-row .c5{display:none}
  .thumbs{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fgrid,.fgrid3{grid-template-columns:minmax(0,1fr)}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}