:root{
  /* monochrome: black, greys and white; colour only where it carries meaning (status, land use) */
  --bg:#f6f6f6; --panel:#ffffff; --ink:#0d0d0d; --muted:#6e6e6e; --line:#e4e4e4; --accent:#111111; --accent-ink:#fff; --accent-soft:#ededed; --stage:#efefef; --ok:#1f7a4a; --warn:#a46a10; --bad:#c23b2e;
  --font:"Instrument Sans",-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
@media (prefers-color-scheme: dark){
  :root{ --bg:#0b0b0b; --panel:#151515; --ink:#f4f4f4; --muted:#9c9c9c; --line:#2a2a2a; --accent:#f4f4f4; --accent-ink:#0b0b0b; --accent-soft:#242424; --stage:#060606; }
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{font:14px/1.5 var(--font);-webkit-font-smoothing:antialiased;letter-spacing:.005em;background:var(--bg);color:var(--ink);display:flex;flex-direction:column}
.hidden{display:none!important}
a{color:var(--ink);text-decoration-color:color-mix(in srgb,var(--ink) 35%,transparent);text-underline-offset:2px}a:hover{text-decoration-color:currentColor}
.top{display:flex;align-items:center;gap:16px;padding:8px 16px;background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap}
.brand{display:flex;gap:10px;align-items:center}
.brand .logo{width:34px;height:34px;border-radius:9px;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-size:20px}
.brand b{display:block;font-size:15px}.brand small{color:var(--muted)}
.tabs{display:flex;gap:2px;flex:1;overflow-x:auto;scrollbar-width:none}
.tabs button{border:0;background:none;color:var(--muted);padding:8px 12px;border-radius:8px;cursor:pointer;font:inherit;white-space:nowrap}
.tabs button:hover{background:var(--bg);color:var(--ink)}
.tabs button.on{background:var(--accent-soft);color:var(--ink);font-weight:500}
.actions{display:flex;gap:8px}
button.primary,button.ghost,button.small{font:inherit;border-radius:8px;padding:7px 13px;cursor:pointer;border:1px solid var(--line);background:var(--panel);color:var(--ink)}
button.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:600}
button:hover{filter:brightness(.97)}
button.small{padding:4px 9px;font-size:12.5px}
.shell{flex:1;display:flex;min-height:0}
.side{width:300px;flex:none;background:var(--panel);border-right:1px solid var(--line);overflow-y:auto;padding:14px 16px}
.side h3{margin:16px 0 6px;font-size:11.5px;letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}
.side h3:first-child{margin-top:0}
.side label{display:flex;justify-content:space-between;align-items:center;gap:8px;margin:5px 0;color:var(--ink)}
.side input[type=text],.side input[type=number],.side select,.modal input,.modal select{font:inherit;padding:5px 7px;border:1px solid var(--line);border-radius:7px;background:var(--bg);color:var(--ink);max-width:150px;min-width:0}
.side input[type=range]{width:130px;accent-color:var(--accent)}
.side .full input[type=text]{max-width:none;width:100%}
.side .note{color:var(--muted);font-size:12.5px;margin:6px 0}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chips button{border:1px solid var(--line);background:var(--bg);border-radius:99px;padding:3px 10px;font-size:12.5px;cursor:pointer;color:var(--ink)}
.chips button.on{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.stage{flex:1;position:relative;background:var(--stage);min-width:0;display:flex;flex-direction:column}
.stagebar{display:flex;gap:8px;align-items:center;padding:8px 12px;flex-wrap:wrap;border-bottom:1px solid var(--line);background:var(--panel)}
.stagebar .sp{flex:1}
.stagebar .ttl{font-weight:600}
.viewport{flex:1;position:relative;overflow:hidden;cursor:grab;touch-action:none}
.viewport:active{cursor:grabbing}
.viewport>svg{position:absolute;inset:0;width:100%;height:100%;background:#fff}
#gl{flex:1;width:100%;min-height:0;display:block;background:linear-gradient(#cfe0ee,#f4f1ea);cursor:grab}
.hint{position:absolute;left:14px;bottom:10px;background:rgba(0,0,0,.6);color:#fff;padding:4px 10px;border-radius:99px;font-size:12px;pointer-events:none}
table.tbl{border-collapse:collapse;width:100%;font-size:13px}
table.tbl th,table.tbl td{border-bottom:1px solid var(--line);padding:5px 8px;text-align:left}
table.tbl th{font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.doc{padding:18px 22px;overflow:auto;flex:1;background:var(--bg)}
.doc .card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:0 0 16px;max-width:1100px}
.doc h2{margin:0 0 8px;font-size:16px}
.ok{color:var(--ok)}.warn{color:var(--warn)}.bad{color:var(--bad)}
.badge{display:inline-block;padding:1px 8px;border-radius:99px;font-size:12px;font-weight:600}
.badge.ok{background:#dff1e6;color:#1f6b3f}.badge.warn{background:#faecd0;color:#8a5a0d}.badge.bad{background:#f7dcd8;color:#8f2a1f}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.45);display:grid;place-items:center;z-index:50}
.modal .box{background:var(--panel);border-radius:14px;padding:20px 22px;width:min(560px,92vw);max-height:88vh;overflow:auto;border:1px solid var(--line)}
.modal h2{margin:0 0 10px}
.modal .row{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:8px 0}
.modal .btns{display:flex;gap:8px;justify-content:flex-end;margin-top:16px;flex-wrap:wrap}
.exportlist{display:grid;gap:6px;margin:8px 0}
.exportlist label{display:flex;gap:8px;align-items:center;justify-content:flex-start}
#printRoot{display:none}
@media print{
  body{display:block;background:#fff}
  .top,.shell,.modal{display:none!important}
  #printRoot{display:block}
  .sheet{page-break-after:always;break-after:page;width:var(--pw);height:var(--ph);overflow:hidden}
  .sheet svg{width:100%;height:100%;display:block}
  @page{margin:0}
}
@media (max-width:820px){ .shell{flex-direction:column} .side{width:auto;max-height:38vh;border-right:0;border-bottom:1px solid var(--line)} }
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,44%);gap:18px;align-items:start}
.split .card{max-width:none}
.pv{position:sticky;top:0;background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.pvbar{display:flex;gap:6px;align-items:center;padding:8px 10px;border-bottom:1px solid var(--line)}
.pvbar .sp{flex:1}.pvbody img,.pvbody svg{max-width:100%}
details.grp{border:1px solid var(--line);border-radius:10px;margin:8px 0;background:var(--panel)}
details.grp>summary{cursor:pointer;padding:9px 12px;font-weight:600;display:flex;align-items:center;gap:10px;list-style:none}
details.grp>summary::-webkit-details-marker{display:none}
details.grp>summary::before{content:'▸';color:var(--muted)}
details.grp[open]>summary::before{content:'▾'}
details.grp>summary .cnt{margin-left:auto;color:var(--muted);font-weight:400;font-size:12.5px}
details.grp .rows{padding:2px 12px 8px}
.row2{display:flex;align-items:center;gap:10px;padding:5px 4px;border-bottom:1px dotted var(--line);cursor:default}
.row2:hover{background:var(--accent-soft)}
.row2 .nm{flex:1}.row2 small{color:var(--muted)}
.sw{position:relative;width:34px;height:19px;flex:none}.sw input{opacity:0;position:absolute;inset:0;margin:0;cursor:pointer}
.sw i{position:absolute;inset:0;border-radius:99px;background:var(--line);transition:.15s}.sw i::after{content:'';position:absolute;left:2px;top:2px;width:15px;height:15px;border-radius:50%;background:#fff;transition:.15s}
.sw input:checked+i{background:var(--accent)}.sw input:checked+i::after{left:17px}
@media (max-width:1000px){.split{grid-template-columns:1fr}.pv{position:static}}

body.locked .top,body.locked .shell,body.locked #modal{visibility:hidden}
#lock{position:fixed;inset:0;display:grid;place-items:center;background:var(--bg);z-index:200}
.lockbox{width:min(360px,90vw);background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px 26px;text-align:center;display:grid;gap:12px}
.lockbox .logo{width:48px;height:48px;border-radius:12px;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-size:28px;margin:0 auto}
.lockbox h1{margin:0;font-size:20px}.lockbox p{margin:0;color:var(--muted)}
.lockbox input[type=password]{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:9px;background:var(--bg);color:var(--ink);width:100%}
.lockbox .rem{display:flex;gap:8px;align-items:center;justify-content:center;font-size:13px;color:var(--muted)}
.lockbox .err{color:var(--bad);min-height:1.3em;font-size:13px}.lockbox small{color:var(--muted)}
@media print{body.locked *{display:none!important}}
a.btnlink2{font:inherit;border-radius:8px;padding:7px 13px;border:1px solid var(--line);background:var(--panel);color:var(--ink);text-decoration:none;white-space:nowrap}
/* platform sign-in dialog (js/api.js) */
.authbox label{display:grid;gap:4px;margin:10px 0;font-size:13px;color:var(--muted)}
.authbox input{font:inherit;font-size:15px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);max-width:none!important}
/* developer widget branding (js/brand.js) */
.powered{color:var(--muted);font-size:12px;text-decoration:none}.powered b{color:var(--ink)}
.pbadge{position:absolute;right:12px;bottom:12px;z-index:4;background:var(--panel);border:1px solid var(--line);border-radius:99px;padding:3px 10px;box-shadow:0 1px 4px rgba(0,0,0,.12)}
.elogo{height:34px;max-width:120px;object-fit:contain;border-radius:6px}
.savestate{color:var(--muted);font-size:12.5px;align-self:center;white-space:nowrap}.savestate.bad{color:var(--bad)}
.robar{background:var(--accent-soft);color:var(--ink);padding:6px 16px;font-size:13px;border-bottom:1px solid var(--line)}.robar a{color:inherit}
.tabs button.locktab{opacity:.55}.tabs button.locktab::after{content:'';display:inline-block;width:6px;height:6px;margin-left:6px;border:1px solid currentColor;border-radius:1px;vertical-align:1px}

/* family co-editing */
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);background:var(--ink);color:var(--panel);padding:10px 16px;border-radius:10px;font-size:13.5px;max-width:min(560px,92vw);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;z-index:80}
.toast.on{opacity:1;transform:translate(-50%,0)}
.fam .row{border-bottom:1px solid var(--line);padding:6px 0}
.kidbar{background:var(--accent-soft);color:var(--ink);padding:7px 16px;font-size:13px;border-bottom:1px solid var(--line)}
.kidmode #side select,.kidmode #side input[type=number],.kidmode #side input[type=range],.kidmode #side input[type=text],.kidmode #side [data-cat],.kidmode #side button{pointer-events:none;opacity:.45}
#famlink .row input{flex:1;width:auto;min-width:0}

/* marketplace (planner view, market.html, supplier.html) */
.r{text-align:right}
.mkbar{display:flex;gap:12px;align-items:end;flex-wrap:wrap;margin:0 0 12px}.mkbar label{display:grid;gap:3px;font-size:12px;color:var(--muted)}.mkbar .sp{flex:1}
.mkbar select,.deal input{font:inherit;padding:6px 8px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--ink)}
table.mkt td{vertical-align:middle}
.deals{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.deal{border:1px solid var(--line);border-radius:12px;padding:12px;display:grid;gap:6px;background:var(--bg)}
.deal .row{display:flex;gap:8px}.deal input{flex:1;min-width:0}
.dbar{height:6px;border-radius:99px;background:var(--line);overflow:hidden}.dbar i{display:block;height:100%;background:var(--ink)}
.ok{color:var(--ok)}

/* my designs */
.dslist{display:grid;gap:6px;margin:8px 0 12px}
.dsrow{border:1px solid var(--line);border-radius:10px;padding:8px 10px;margin:0!important}
.dsrow.cur{border-color:var(--ink)}
.dsrow .btns{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
/* account menu (top bar, every page) */
.acm{position:absolute;z-index:90;min-width:240px;background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 32px rgba(0,0,0,.14);padding:6px;display:grid}
.acm-who{padding:8px 10px 10px;display:grid;gap:2px;border-bottom:1px solid var(--line);margin-bottom:4px}.acm-who small{color:var(--muted)}
.acm a,.acm button{font:inherit;text-align:left;padding:8px 10px;border-radius:8px;border:0;background:none;color:var(--ink);text-decoration:none;cursor:pointer}
.acm a:hover,.acm button:hover{background:var(--accent-soft)}
.acm hr{border:0;border-top:1px solid var(--line);margin:4px 0}.acm .acm-out{color:var(--bad)}
.acm-modal label{display:grid;gap:4px;font-size:13px;color:var(--muted)}.acm-modal input{font:inherit;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink)}
/* planner start screen */
.starts{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));margin:14px 0;text-align:left}
.startcard{display:grid;gap:4px;padding:14px;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--ink);text-decoration:none}
.startcard:hover{border-color:var(--ink)}.startcard small{color:var(--muted)}.startcard span{font-weight:600;margin-top:4px}
/* Ask AI (js/askai.js): always a white card with a soft silver shadow, on any page */
.aimodal{position:fixed;inset:0;z-index:60;display:none;place-items:center;background:rgba(18,18,20,.22);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);font-family:'Instrument Sans',system-ui,sans-serif}
.aimodal.open{display:grid}
.aibox{background:#fff;color:#141414;width:min(560px,92vw);max-height:88vh;overflow:auto;border-radius:18px;border:1px solid #e6e6e3;padding:22px 22px 14px;box-shadow:0 30px 70px rgba(110,115,125,.30),0 8px 20px rgba(110,115,125,.16),0 1px 2px rgba(0,0,0,.06)}
.aihead{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px}
.aihead h2{margin:0;font-size:21px;font-weight:600;letter-spacing:-.01em}
.aihead p{margin:2px 0 0;color:#5e5e5a;font-size:14px}
.aispark{flex:none;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(145deg,#f4f4f2,#dcdcd8);color:#141414;font-size:16px;box-shadow:inset 0 1px 0 #fff,0 1px 3px rgba(0,0,0,.08)}
.aiclose{margin-left:auto;border:0;background:none;color:#8a8a85;font-size:15px;cursor:pointer;padding:4px 6px;border-radius:8px}
.aiclose:hover{background:#f2f2f0;color:#141414}
.aibox textarea{width:100%;box-sizing:border-box;font:inherit;font-size:15px;padding:12px 14px;border:1px solid #dcdcd8;border-radius:12px;background:#fafaf9;color:#141414;resize:vertical;min-height:84px;outline:none}
.aibox textarea:focus{border-color:#141414;background:#fff;box-shadow:0 0 0 3px rgba(20,20,20,.06)}
.aiideas{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 4px}
.aiideas button{border:1px solid #e3e3df;background:#fff;color:#3a3a37;border-radius:99px;padding:5px 11px;font:inherit;font-size:12.5px;cursor:pointer}
.aiideas button:hover{border-color:#141414;color:#141414}
.aifoot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:12px}
.aifoot small{color:#7a7a75}
.aifoot small a{color:#141414}
.aibox button.primary{background:#141414;color:#fff;border:0;border-radius:10px;padding:9px 16px;font:inherit;font-weight:600;cursor:pointer}
.aibox button.primary:disabled{opacity:.6;cursor:default}
.aires{margin-top:12px;padding:12px 14px;border-radius:12px;background:#f6f6f4;border:1px solid #ececea;font-size:14px}
.aires.bad{background:#fbf1ef;border-color:#f0d9d4;color:#8f2a1f}
.aires ul{margin:6px 0;padding-left:18px;color:#4a4a46}
.aires button{border:1px solid #d6d6d2;background:#fff;border-radius:8px;padding:5px 10px;font:inherit;cursor:pointer}
.aires .muted{color:#6b6b66}
.ainame{margin-top:10px;padding-top:10px;border-top:1px solid #f0f0ee;font-size:12.5px;color:#7a7a75}
.ainame a{color:#7a7a75}
.ainame input{font:inherit;padding:5px 9px;border:1px solid #dcdcd8;border-radius:8px;width:180px}
.ainame button{border:1px solid #141414;background:#141414;color:#fff;border-radius:8px;padding:5px 10px;font:inherit;cursor:pointer}
.aitype{display:grid;gap:6px;font-size:13px;color:#5e5e5a;margin:4px 0 2px}
.aitype input{font:inherit;font-size:15px;padding:10px 12px;border:1px solid #dcdcd8;border-radius:10px;background:#fafaf9;color:#141414;letter-spacing:.06em;outline:none}
.aitype input:focus{border-color:#141414;background:#fff}
.aibox .ghostbtn{border:1px solid #dcdcd8;background:#fff;color:#141414;border-radius:10px;padding:9px 16px;font:inherit;cursor:pointer}
.aibox button.primary.danger{background:#8f2a1f}
.aibox button.primary.danger:disabled{background:#c9c9c5;opacity:1}
.phonebox .phonesub{margin:6px 0 8px;color:#5e5e5a;font-size:13px}
.phonelinks{display:grid;gap:8px}
.phonelinks a{display:grid;gap:2px;text-decoration:none;color:#141414;border:1px solid #e6e6e3;border-radius:12px;padding:11px 13px;background:#fafaf9}
.phonelinks a small{color:#6b6b66}
.phonelinks a:active{background:#f0f0ee}