/* DefectZero styles */
*{box-sizing:border-box}
html{color-scheme:light;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}
/* Layout: mobile-first app shell — sticky project bar + tabs, list/board body, bottom-right add button, full-height sheets for forms */
:root{
  --bg:#f4f7fc; --surface:#ffffff; --surface-2:#e8eef8; --line:#d8e0ec;
  --ink:#1a2540; --ink-2:#4a5672; --ink-3:#6f7a93;
  --accent:#14295c; --accent-ink:#ffffff; --accent-soft:#e6edf9;
  --s-rep:#c63a32; --s-rep-bg:#f9e2df;
  --s-pro:#b7790a; --s-pro-bg:#f8edd2;
  --s-fix:#2867b0; --s-fix-bg:#dfeaf7;
  --s-acc:#2f8a4e; --s-acc-bg:#dff0e4;
  --shadow:0 1px 2px rgba(27,36,51,.06),0 4px 14px rgba(27,36,51,.06);
  --f-body:"Kanit",Tahoma,"Leelawadee UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --r:10px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0f141c; --surface:#171e29; --surface-2:#212a38; --line:#2f3a4b;
  --ink:#e6ebf2; --ink-2:#a9b4c4; --ink-3:#7d8899;
  --accent:#8ea6c9; --accent-ink:#0f141c; --accent-soft:#233149;
  --s-rep:#ef6d64; --s-rep-bg:#3d1f1d; --s-pro:#e0a83a; --s-pro-bg:#392d14;
  --s-fix:#6aa5ea; --s-fix-bg:#1b2c42; --s-acc:#5cc480; --s-acc-bg:#16321f;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 4px 14px rgba(0,0,0,.25); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0f141c; --surface:#171e29; --surface-2:#212a38; --line:#2f3a4b;
  --ink:#e6ebf2; --ink-2:#a9b4c4; --ink-3:#7d8899;
  --accent:#8ea6c9; --accent-ink:#0f141c; --accent-soft:#233149;
  --s-rep:#ef6d64; --s-rep-bg:#3d1f1d; --s-pro:#e0a83a; --s-pro-bg:#392d14;
  --s-fix:#6aa5ea; --s-fix-bg:#1b2c42; --s-acc:#5cc480; --s-acc-bg:#16321f;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 4px 14px rgba(0,0,0,.25); color-scheme:dark}

*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--surface)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.wrap{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));max-width:1180px;margin:0 auto}

/* top bar */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--surface);border-bottom:1px solid var(--line);border-top:4px solid var(--accent)}
.top-row{display:flex;align-items:center;gap:10px;padding-block:12px}
.brand{display:flex;align-items:center;gap:8px;font-weight:600;letter-spacing:.01em;min-width:0}
.brand-mark{width:26px;height:26px;border-radius:6px;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-family:var(--f-mono);font-size:13px;font-weight:600;flex:none}
.brand-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.back{border:0;background:var(--surface-2);border-radius:8px;padding:6px 10px;font-size:14px;flex:none}
.top-actions{margin-left:auto;display:flex;gap:8px;flex:none}
.icon-btn{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:6px 10px;font-size:13px;color:var(--ink-2)}
.tabs{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{border:0;background:none;padding:10px 12px;font-size:14px;color:var(--ink-2);border-bottom:2px solid transparent;white-space:nowrap;font-weight:500}
.tab[aria-selected="true"]{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}

main{padding-block:16px 120px}
h1,h2,h3{margin:0;text-wrap:balance;line-height:1.3}
h2{font-size:18px;font-weight:600}
h3{font-size:15px;font-weight:600}
.muted{color:var(--ink-2)}
.small{font-size:13px}
.label{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);font-weight:600}
.stack{display:flex;flex-direction:column;gap:12px}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}

/* buttons */
.btn{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:9px 14px;font-weight:500;font-size:14px}
.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600}
.btn-danger{color:var(--s-rep);border-color:var(--s-rep)}
.btn[disabled]{opacity:.5;cursor:default}
.fab{position:fixed;right:calc(16px + env(safe-area-inset-right,0px));bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:25;border:0;background:var(--accent);color:var(--accent-ink);font-weight:600;border-radius:999px;padding:14px 20px;box-shadow:0 6px 20px rgba(0,0,0,.22);font-size:15px}

/* project list */
.proj-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}
.proj{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px;text-align:left;display:flex;flex-direction:column;gap:10px;box-shadow:var(--shadow)}
.proj-name{font-size:17px;font-weight:600}
.bar{height:6px;border-radius:99px;background:var(--surface-2);overflow:hidden;display:flex}
.bar span{display:block;height:100%}
.counts{display:flex;gap:6px;flex-wrap:wrap}

/* status pills */
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:2px 9px;border-radius:99px;white-space:nowrap}
.pill::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.st-reported{color:var(--s-rep);background:var(--s-rep-bg)}
.st-progress{color:var(--s-pro);background:var(--s-pro-bg)}
.st-fixed{color:var(--s-fix);background:var(--s-fix-bg)}
.st-accepted{color:var(--s-acc);background:var(--s-acc-bg)}
.urgent{font-size:11px;font-weight:600;color:var(--s-rep);border:1px solid var(--s-rep);border-radius:4px;padding:0 5px}

/* summary strip */
.summary{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:14px}
.sum{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:10px 12px;text-align:left}
.sum b{display:block;font-size:22px;font-family:var(--f-mono);font-weight:600;line-height:1.2}
.sum[aria-pressed="true"]{outline:2px solid var(--accent);outline-offset:-1px}
@media (max-width:520px){.summary{grid-template-columns:repeat(2,1fr)}}

.chips{display:flex;gap:6px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;margin-bottom:12px}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:99px;padding:5px 12px;font-size:13px;white-space:nowrap;color:var(--ink-2)}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.filters select{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:7px 10px;font-size:13px;max-width:100%}

/* board */
.board{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;align-items:start}
.col{background:var(--surface-2);border-radius:var(--r);padding:8px;display:flex;flex-direction:column;gap:8px;min-width:0}
.col-head{display:flex;justify-content:space-between;align-items:center;padding:4px 4px 2px}
.list{display:flex;flex-direction:column;gap:8px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:10px 12px;text-align:left;display:grid;grid-template-columns:auto 1fr;gap:4px 10px;box-shadow:var(--shadow);width:100%;min-width:0}
.card-thumb{grid-row:1/4;width:56px;height:56px;border-radius:7px;background:var(--surface-2) center/cover no-repeat;display:grid;place-items:center;color:var(--ink-3);font-size:11px}
.card-top{display:flex;gap:8px;align-items:center;min-width:0}
.card-no{font-family:var(--f-mono);font-size:12px;color:var(--ink-3);flex:none}
.card-title{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.card-meta{font-size:12.5px;color:var(--ink-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.card-foot{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.empty{border:1px dashed var(--line);border-radius:var(--r);padding:22px 16px;text-align:center;color:var(--ink-2);font-size:14px;background:var(--surface)}

/* zones */
.zone-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.floor-head{margin:18px 0 8px;display:flex;align-items:baseline;gap:10px}
.floor-head:first-child{margin-top:0}
.zone{background:var(--surface);border:1px solid var(--line);border-left:5px solid var(--line);border-radius:var(--r);padding:12px;text-align:left;display:flex;flex-direction:column;gap:6px}
.zone.z-bad{border-left-color:var(--s-rep)}
.zone.z-wip{border-left-color:var(--s-pro)}
.zone.z-ok{border-left-color:var(--s-acc)}
.zone-name{font-weight:600}

/* trades */
.trade{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;display:flex;flex-direction:column;gap:8px}
.trade-head{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}

/* sheet */
.sheet-back{position:fixed;inset:0;background:rgba(10,15,15,.45);z-index:40;display:flex;justify-content:center;align-items:flex-end}
.sheet{background:var(--bg);width:100%;max-width:640px;max-height:94%;overflow:auto;border-radius:16px 16px 0 0;padding-bottom:calc(20px + env(safe-area-inset-bottom,0px))}
@media (min-width:700px){.sheet-back{align-items:center}.sheet{border-radius:16px;max-height:90%}}
.sheet-head{position:sticky;top:0;background:var(--bg);display:flex;align-items:center;gap:10px;padding-block:14px;border-bottom:1px solid var(--line);z-index:2}
.sheet-body{padding-block:16px;display:flex;flex-direction:column;gap:14px}
.field{display:flex;flex-direction:column;gap:5px}
.field label{font-size:13px;font-weight:600;color:var(--ink-2)}
.field input,.field select,.field textarea{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:10px 12px;width:100%;font-size:15px}
.field textarea{min-height:76px;resize:vertical}
.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media (max-width:460px){.two{grid-template-columns:1fr}}
.seg{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--surface)}
.seg button{flex:1;border:0;background:none;padding:9px 6px;font-size:13px;color:var(--ink-2)}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--bg);font-weight:600}
.photos{display:grid;grid-template-columns:repeat(auto-fill,minmax(88px,1fr));gap:8px}
.ph{aspect-ratio:1;max-width:100%;border-radius:8px;background:var(--surface-2) center/cover no-repeat;position:relative;border:1px solid var(--line)}
.ph button{position:absolute;top:4px;right:4px;border:0;border-radius:6px;background:rgba(0,0,0,.6);color:#fff;font-size:11px;padding:2px 6px}
.add-ph{border:1.5px dashed var(--line);border-radius:8px;aspect-ratio:1;display:grid;place-items:center;text-align:center;font-size:12.5px;color:var(--ink-2);background:var(--surface);position:relative;overflow:hidden}
.add-ph input{position:absolute;inset:0;opacity:0;cursor:pointer}
.ba{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:460px){.ba{grid-template-columns:1fr}}
.ba-col{display:flex;flex-direction:column;gap:6px;min-width:0}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:4px}
.steps button{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:8px 4px;font-size:12px;font-weight:600;color:var(--ink-2);line-height:1.25}
.steps button[aria-current="true"]{color:var(--accent-ink);background:var(--accent);border-color:var(--accent)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;font-size:14px}
.kv dt{color:var(--ink-3)}
.kv dd{margin:0;min-width:0;overflow-wrap:anywhere}
.hist{font-size:12.5px;color:var(--ink-2);display:flex;flex-direction:column;gap:3px;border-top:1px solid var(--line);padding-top:10px}
.notice{background:var(--accent-soft);border-radius:8px;padding:10px 12px;font-size:13.5px}
.err{color:var(--s-rep);font-size:13.5px}
.confirm{border:1px solid var(--s-rep);border-radius:8px;padding:12px;display:flex;flex-direction:column;gap:8px;background:var(--surface)}

/* checklist */
.ck{display:flex;flex-direction:column;gap:8px}
.ck-item{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:10px 12px;display:flex;flex-direction:column;gap:8px}
.ck-row{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.ck-item .seg{min-width:210px}
.ck-item .seg button[data-v="pass"][aria-pressed="true"]{background:var(--s-acc);color:#fff}
.ck-item .seg button[data-v="fail"][aria-pressed="true"]{background:var(--s-rep);color:#fff}
.ck-note{border:1px solid var(--line);background:var(--bg);border-radius:6px;padding:6px 10px;width:100%;font-size:14px}

/* report */
.rep-head{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px;display:flex;flex-direction:column;gap:12px}
.rep-zone{margin-top:18px}
.rep-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:12px;display:flex;flex-direction:column;gap:8px;margin-top:8px}
.rep-ph{display:flex;gap:6px;flex-wrap:wrap}
.rep-ph div,.rep-ph a{display:block;width:84px;height:84px;border-radius:6px;background:var(--surface-2) center/cover no-repeat}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(84px + env(safe-area-inset-bottom,0px));background:var(--ink);color:var(--bg);padding:9px 16px;border-radius:99px;font-size:14px;z-index:60;box-shadow:var(--shadow);max-width:calc(100% - 32px)}
@media (prefers-reduced-motion:no-preference){.sheet{animation:up .18s ease-out}@keyframes up{from{transform:translateY(24px);opacity:.6}to{transform:none;opacity:1}}}
.plot-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.plot{background:var(--surface);border:1px solid var(--line);border-top:4px solid var(--line);border-radius:var(--r);padding:12px;text-align:left;display:flex;flex-direction:column;gap:6px;min-width:0}
.plot.z-bad{border-top-color:var(--s-rep)}.plot.z-wip{border-top-color:var(--s-pro)}.plot.z-ok{border-top-color:var(--s-acc)}
.plot-name{font-weight:600;font-family:var(--f-mono);font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.crumb{font-size:12px;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.step-lbl{display:flex;align-items:center;gap:6px}
.step-lbl i{font-style:normal;font-family:var(--f-mono);font-size:11px;background:var(--ink);color:var(--bg);border-radius:4px;padding:0 5px}
/* auth & onboarding */
.auth{max-width:420px;margin:8vh auto 0;display:flex;flex-direction:column;gap:18px}
.auth-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px;display:flex;flex-direction:column;gap:14px;box-shadow:var(--shadow)}
.brand-lg{display:flex;align-items:center;gap:12px;font-weight:600;font-size:22px}
.brand-lg .brand-mark{width:40px;height:40px;font-size:16px;border-radius:9px}
.linkbtn{background:none;border:0;color:var(--accent);padding:0;font-weight:600;text-decoration:underline;cursor:pointer}
.menu{position:relative}
.plan-badge{font-size:11px;font-weight:600;border-radius:99px;padding:1px 8px;background:var(--accent-soft);color:var(--accent)}
button.plan-badge{border:0;cursor:pointer;font-family:inherit;font-size:12px;font-weight:600;padding:3px 10px;vertical-align:middle}
button.trade{font:inherit;color:inherit;width:100%;background:var(--surface)}
.notice .btn{min-height:36px;padding:6px 12px}
a.home-link{text-decoration:none;color:inherit;cursor:pointer}
a.brand-mark.home-link{flex:none}
/* walk mode + drafts */
.fabs{position:fixed;right:calc(16px + env(safe-area-inset-right,0px));bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:25;display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.fabs .fab{position:static}
.fab-2{background:var(--surface);color:var(--accent);box-shadow:0 6px 20px rgba(0,0,0,.18),inset 0 0 0 2px var(--accent)}
.room-pick{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.room-pick .chip{font-size:14px;padding:8px 14px}
.room-floor{width:100%;font-size:12px;font-weight:600;color:var(--ink-3);margin-top:6px}
.walk-shoot{display:grid;grid-template-columns:2fr 1fr;gap:8px}
.walk-shoot .btn{position:relative;overflow:hidden;min-height:64px;font-size:17px;display:flex;align-items:center;justify-content:center;text-align:center}
.walk-shoot .walk-lib{font-size:14px}
.walk-shoot input{position:absolute;inset:0;opacity:0;cursor:pointer}
.ph-state{position:absolute;left:4px;bottom:4px;background:rgba(0,0,0,.6);color:#fff;border-radius:6px;font-size:11px;padding:1px 6px}
.bulk{position:sticky;top:calc(env(safe-area-inset-top,0px) + 104px);z-index:5;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:10px 12px;display:flex;flex-direction:column;gap:8px;margin-bottom:12px;box-shadow:0 4px 14px rgba(0,0,0,.06)}
.bulk-sets{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.bulk-sets select{min-width:0;font-size:14px;padding:8px}
.draft-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-bottom:8px}
.draft{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:6px;display:flex;flex-direction:column;gap:6px}
.draft.on{box-shadow:0 0 0 2px var(--accent) inset;border-color:var(--accent)}
.draft.bad{box-shadow:0 0 0 2px var(--s-rep) inset}
.draft-ph{aspect-ratio:1;border-radius:8px;background:var(--surface-2) center/cover no-repeat;position:relative;display:block;cursor:pointer}
.draft-ph input{position:absolute;top:6px;left:6px;width:22px;height:22px;margin:0}
.draft-title{font-size:14px;padding:7px 8px;min-width:0}
.bulk input{font-size:14px;padding:8px 10px;min-width:0}
@media (max-width:700px){.bulk{position:static}}
.urgent{white-space:nowrap}

/* handover sign-off */
.sign-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;display:flex;flex-direction:column;gap:10px}
.sig-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.sig-row figure{margin:0;text-align:center;font-size:13px;color:var(--ink-2)}
.sig-row img,.sig-wait{display:block;width:100%;height:84px;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:8px;margin-bottom:6px}
.sigpad{display:block;width:100%;height:170px;background:#fff;border:2px dashed var(--line);border-radius:10px;touch-action:none;cursor:crosshair}
.sigpad.signed{border-style:solid;border-color:var(--accent)}
/* report picker */
.rp-units{display:flex;flex-wrap:wrap;gap:6px;max-height:210px;overflow:auto;padding:2px}
.rp-units .chip{display:inline-flex;align-items:center;gap:6px;cursor:pointer}
.rp-units input{width:16px;height:16px;margin:0}

/* press feedback: buttons answer the tap */
.btn,.fab,.chip,.tab,.sum,.plot,.zone,.card,.proj,.icon-btn{transition:transform .12s ease,background-color .15s ease}
.btn:active:not(:disabled),.fab:active,.chip:active,.plot:active,.zone:active,.card:active,.proj:active,.icon-btn:active{transform:scale(.97)}
@media (prefers-reduced-motion:reduce){.btn,.fab,.chip,.tab,.sum,.plot,.zone,.card,.proj,.icon-btn{transition:none}.btn:active,.fab:active,.chip:active,.plot:active,.zone:active,.card:active,.proj:active,.icon-btn:active{transform:none}}

/* select & merge defects */
.merge-bar{margin-top:10px;background:var(--accent-soft);border:1px solid var(--line);border-radius:var(--r);padding:10px 12px;display:flex;flex-direction:column;gap:8px}
.card.picked{outline:3px solid var(--accent);outline-offset:-1px}
.card-thumb{position:relative}
.card-check{position:absolute;left:-6px;top:-6px;width:24px;height:24px;border-radius:7px;border:2px solid var(--accent);background:var(--surface);color:var(--accent);display:grid;place-items:center;font-weight:700;font-size:15px;line-height:1}
.card.picked .card-check{background:var(--accent);color:var(--accent-ink)}