/* WIBB partner app: a phone in one hand, outdoors. Big targets (48 px), 16 px text, high contrast, one column. */
:root{
  --bg:#F4F5F2; --surface:#FFFFFF; --ink:#111816; --muted:#4F5A56; --line:#CBD2CD;
  --accent:#1F5A50; --accent-ink:#FFFFFF; --warn:#8A5A00; --warn-bg:#FFF4D6; --err:#A1221B; --err-bg:#FDE8E6; --ok:#1E6B3A; --ok-bg:#E3F4E8;
  --f:"Figtree",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif; --mono:ui-monospace,SFMono-Regular,Menlo,monospace;
  color-scheme:light;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 var(--f);-webkit-text-size-adjust:100%}
a{color:var(--accent)}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
main{max-width:640px;margin:0 auto;padding-bottom:96px}
.pad{padding:16px}
h1{font-size:26px;line-height:1.15;margin:8px 0 6px}
h2{font-size:21px;line-height:1.2;margin:4px 0 10px}
h3{font-size:16px;margin:14px 0 6px}
p{margin:6px 0}
.muted{color:var(--muted)}
.sm{font-size:14px}
.mono{font-family:var(--mono)}
.big{font-size:19px;font-weight:700}
.stack{display:flex;flex-direction:column;gap:12px}
.row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px}
.grid2,.grid3{display:grid;gap:8px}
.grid2{grid-template-columns:1fr 1fr}
.grid3{grid-template-columns:1fr 1fr 1fr}

/* header + sync line */
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:10px;padding:10px 16px;background:var(--accent);color:var(--accent-ink)}
.top .logo{color:inherit;text-decoration:none}
.top .ttl{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:14px;opacity:.9}
.top .lnk{color:inherit}
.logo{font-weight:800;font-size:20px;letter-spacing:-.01em}
.logo small{font-weight:600;font-size:12px;letter-spacing:.08em;text-transform:uppercase;opacity:.8}
#sync{max-width:640px;margin:0 auto;padding:0 16px}
.sync{display:block;font-size:13px;padding:6px 0;color:var(--ok)}
.sync.bad{color:var(--err);font-weight:600}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 18px;border-radius:12px;border:2px solid var(--accent);background:var(--accent);color:var(--accent-ink);font-weight:700;text-decoration:none;cursor:pointer}
.btn.ghost{background:var(--surface);color:var(--accent)}
.btn.ghost.on{background:var(--ok-bg)}
.btn.big{width:100%;min-height:56px;font-size:18px;margin:14px 0 6px}
.btn.sm{min-height:40px;padding:6px 12px;font-size:14px}
.btn:disabled{opacity:.5}
.lnk{background:none;border:0;padding:6px 0;color:var(--accent);text-decoration:underline;cursor:pointer;text-align:left;min-height:40px}
.lnk.danger{color:var(--err)}
.back{display:inline-block;padding:8px 0;font-weight:600;text-decoration:none}

/* cards, boxes, chips */
.card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px;margin:10px 0;color:var(--ink);text-decoration:none}
.card .row{margin:2px 0}
.box{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px 14px;margin:12px 0}
.box summary{cursor:pointer;font-weight:600;min-height:40px;display:flex;align-items:center}
.chip{display:inline-block;border-radius:999px;padding:3px 10px;font-size:13px;background:#E8ECE9;color:var(--ink)}
.chip.k{background:#DCEBE7;color:var(--accent)}
.chip.warn{background:var(--warn-bg);color:var(--warn)}
.chip.must{background:var(--err-bg);color:var(--err)}
.chip.s-returned{background:var(--err-bg);color:var(--err)}
.chip.s-submitted,.chip.s-in_qa{background:#E6ECF8;color:#25428A}
.chip.s-approved,.chip.s-locked{background:var(--ok-bg);color:var(--ok)}
.tabs{display:flex;gap:6px;overflow-x:auto;margin:10px 0}
.tabs button{flex:1;min-height:44px;border:1px solid var(--line);background:var(--surface);border-radius:10px;font-weight:600;white-space:nowrap}
.tabs button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.empty{padding:24px 0;color:var(--muted)}
.ok,.warnbox,.errbox,.infobox{border-radius:12px;padding:10px 12px;margin:10px 0}
.ok{background:var(--ok-bg);color:var(--ok);font-weight:600}
.warnbox{background:var(--warn-bg);color:var(--warn)}
.errbox{background:var(--err-bg);color:var(--err)}
.infobox{background:#E6ECF8;color:#25428A}
.infobox:empty{display:none}
fieldset.ro{border:0;margin:0;padding:0;min-width:0}
fieldset.ro .kinds,fieldset.ro .phadd,fieldset.ro .phdel{display:none}
main>.infobox,fieldset.ro>.infobox{margin:10px 16px}
.toast{background:var(--ink);color:#fff;border-radius:12px;padding:10px 12px;margin:10px 16px}
.err{color:var(--err)}

/* fields */
.fld{display:flex;flex-direction:column;gap:4px;margin:12px 0}
.fld>span{font-weight:600}
.fld em{font-style:normal;font-size:14px;color:var(--muted)}
.fld input,.fld textarea{width:100%;min-height:52px;border:2px solid var(--line);border-radius:12px;padding:10px 12px;background:var(--surface);font-size:18px}
.fld textarea{font-size:16px}
.fld.sm>span{font-size:14px}
.fld.bad input{border-color:var(--err)}
.mmin{display:flex;align-items:center;gap:8px}
.mmin input{font-variant-numeric:tabular-nums;font-size:22px;font-weight:700;letter-spacing:.02em}
.mmin i{font-style:normal;color:var(--muted);font-weight:600}
.oor{background:var(--err-bg);color:var(--err);border-radius:12px;padding:10px 12px;margin:-4px 0 12px}
.oor.okd{background:var(--warn-bg);color:var(--warn)}
.oor summary{min-height:40px;display:flex;align-items:center;font-weight:600;cursor:pointer}
.seg{border:0;margin:12px 0;padding:0}
.seg legend{font-weight:600;padding:0;margin-bottom:6px}
.seg>div{display:flex;flex-wrap:wrap;gap:8px}
.seg button{min-height:48px;padding:8px 14px;border:2px solid var(--line);border-radius:12px;background:var(--surface);font-weight:600;cursor:pointer;flex:1 1 auto}
.seg button.on{border-color:var(--accent);background:var(--accent);color:var(--accent-ink)}
.seg.yn button{flex:1}
.radio{display:flex;align-items:center;gap:8px;min-height:44px;padding:4px 10px;border:1px solid var(--line);border-radius:10px;background:var(--surface)}
.tick{display:flex;align-items:flex-start;gap:10px;min-height:48px;font-weight:600}
.tick input{width:26px;height:26px;flex:none;margin-top:2px}

/* "what's on this wall" */
.kinds{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:8px 0 14px}
.kind{min-height:56px;border:2px solid var(--line);border-radius:12px;background:var(--surface);font-weight:600;padding:8px;cursor:pointer}
.kind.on{border-color:var(--accent);background:#DCEBE7}
.items{list-style:none;padding:0;margin:8px 0}
.items li a{display:block;padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--surface);margin:6px 0;color:var(--ink);text-decoration:none}

/* photos */
.phs{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
.ph{position:relative;width:88px;height:88px;border-radius:10px;overflow:hidden;background:#DDE2DE}
.ph img{width:100%;height:100%;object-fit:cover}
.phx{display:flex;align-items:center;justify-content:center;height:100%;font-size:12px;color:var(--muted)}
.ph .q{position:absolute;left:4px;top:2px;color:var(--err);font-style:normal}
.phdel{position:absolute;right:2px;top:2px;width:30px;height:30px;border:0;border-radius:50%;background:rgba(0,0,0,.6);color:#fff;font-size:18px;line-height:1}
.phadd{display:flex;align-items:center;justify-content:center;text-align:center;min-width:88px;min-height:88px;padding:8px;border:2px dashed var(--accent);border-radius:10px;color:var(--accent);font-weight:700;font-size:14px;cursor:pointer;background:var(--surface);max-width:180px}

/* checks */
.chk{border-radius:12px;padding:8px 12px;margin:10px 0}
.chk h3{margin:4px 0}
.chk h3 span{font-weight:400}
.chk ul{margin:4px 0;padding:0;list-style:none}
.chk li{border-top:1px solid rgba(0,0,0,.08)}
.chk li:first-child{border-top:0}
.chk .lnk{display:block;width:100%;text-decoration:none;padding:8px 18px 8px 0;position:relative}
.chk .lnk::after{content:"›";position:absolute;right:2px;top:6px;font-size:20px;opacity:.6}
.chk.inc{background:#ECEEEC}
.chk.must{background:var(--err-bg);color:var(--err)}
.chk.warn{background:var(--warn-bg);color:var(--warn)}
.chk .lnk{color:inherit}

/* progress, rooms, files */
.prog{height:8px;background:#E1E5E2;border-radius:99px;overflow:hidden;margin:8px 0 4px}
.prog i{display:block;height:100%;background:var(--accent)}
.rooms{list-style:none;padding:0;margin:6px 0}
.rooms li{display:flex;gap:10px;align-items:center;margin:8px 0}
.rooms img,.rooms .noimg{width:72px;height:54px;border-radius:8px;object-fit:cover;background:#DDE2DE;flex:none}
.files{padding-left:18px}

/* the bottom bar: Back · where · Next */
.nav{position:fixed;left:0;right:0;bottom:0;z-index:6;display:flex;align-items:center;gap:8px;padding:10px 12px calc(10px + env(safe-area-inset-bottom,0px));background:var(--surface);border-top:1px solid var(--line)}
.nav .btn{flex:none;min-width:84px}
.nav .where{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;gap:2px}
.nav .where small{font-size:12px;color:var(--muted)}
.dots{display:flex;flex-wrap:wrap;justify-content:center;gap:3px;max-width:100%}
.dots i{width:6px;height:6px;border-radius:50%;background:#C9D0CB}
.dots i.done{background:var(--accent);opacity:.5}
.dots i.on{background:var(--accent);width:14px;border-radius:3px}

/* drawings: they only show, they take no taps */
.draw{display:block;width:100%;height:auto;margin:8px 0;background:var(--surface);border:1px solid var(--line);border-radius:12px;pointer-events:none}
.draw.plan{max-width:260px;margin:8px auto}
.draw .pw{stroke:#9AA59F;stroke-width:4}
.draw .pw.cab{stroke:var(--accent);stroke-width:9}
.draw .pw.on{stroke:#C77700}
.draw .pl{font:700 16px var(--f);fill:var(--ink)}
.draw .pl.on{fill:#C77700}
.draw .pc{font:12px var(--f);fill:var(--muted)}
.draw .wall{fill:#F7F8F6;stroke:#9AA59F;stroke-width:1.5}
.draw .wall.cab{fill:#EEF5F2;stroke:var(--accent)}
.draw .floor{stroke:var(--ink);stroke-width:2}
.draw .it{fill:#D7DDF0;stroke:#3B54A0;stroke-width:1}
.draw .it-door{fill:#E9DFC8;stroke:#8A6A2A}
.draw .it-window{fill:#D3E9F5;stroke:#2D6E91}
.draw .it-beam,.draw .it-column,.draw .it-duct{fill:#D9D9D9;stroke:#666}
.draw .it-existing{fill:#EADFD0;stroke:#7B5C3A}
.draw .it.on{fill:#FFD9A0;stroke:#C77700;stroke-width:2}
.draw .tl,.draw .cl{font:10px var(--f);fill:var(--muted)}
.draw .wl{font:600 12px var(--f);fill:var(--ink)}
.draw .dim{stroke:#C77700;stroke-width:2}
.draw .ah{fill:#C77700}
.draw .dl{font:700 11px var(--f);fill:#C77700}