:root{--bg:#F3F4F6;--card:#FFFFFF;--ink:#111827;--muted:#6B7280;--soft:#4B5563;--line:#E5E7EB;--line2:#F1F5F9;--accent:#1E3A8A;--accentbg:#EEF2FF;
--ok:#15803D;--okbg:#ECFDF3;--warn:#B45309;--warnbg:#FFF7ED;--bad:#B91C1C;--badbg:#FEF2F2;--info:#1D4ED8;--infobg:#EFF6FF;--grey:#4B5563;--greybg:#F3F4F6;--violet:#6D28D9;--violetbg:#F5F3FF}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.45 'IBM Plex Sans',system-ui,sans-serif}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--info)}
.mono{font-family:'IBM Plex Mono',monospace}
.topbar{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.topbar-inner{max-width:1400px;margin:0 auto;padding:0 24px;display:flex;flex-wrap:wrap;align-items:center;gap:8px 28px;min-height:60px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:16px}
.brand-mark{width:26px;height:26px;border-radius:6px;background:var(--ink);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:13px}
nav{display:flex;flex-wrap:wrap;gap:4px}
#nav a{padding:8px 12px;border-radius:6px;color:#374151;text-decoration:none}
#nav a[aria-current=page]{background:var(--accentbg);color:var(--accent);font-weight:600}
.badge{margin-left:4px;padding:1px 7px;border-radius:10px;background:var(--warn);color:#fff;font-size:12px;font-weight:600}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.inline{display:flex;align-items:center;gap:8px;color:var(--soft)}
select,input[type=text],input[type=search],input[type=password],input[type=date],input[type=email],textarea{padding:8px 10px;border:1px solid #D1D5DB;border-radius:6px;background:#fff}
.page{max-width:1400px;margin:0 auto;padding:24px;display:flex;flex-direction:column;gap:20px}
h1{margin:0;font-size:26px;font-weight:600;letter-spacing:-.01em}
h2{margin:0;font-size:17px;font-weight:600}
.sub{color:var(--soft);margin-top:2px}
.head{display:flex;flex-wrap:wrap;align-items:flex-end;gap:12px 24px}
.head .actions{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.btn{padding:9px 14px;min-height:40px;border:1px solid #D1D5DB;border-radius:6px;background:#fff;cursor:pointer}
.btn.primary{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600}
.btn.ghost{border-color:transparent;background:transparent;color:var(--soft)}
.btn.small{padding:4px 10px;min-height:32px;font-size:13px}
.btn:disabled{opacity:.5;cursor:default}
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.tile{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:14px 16px}
.tile .n{font-size:26px;font-weight:600;margin-top:2px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{padding:7px 12px;min-height:36px;border-radius:18px;cursor:pointer;border:1px solid #D1D5DB;background:#fff;color:#374151}
.chip[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:#fff}
.split{display:flex;flex-wrap:wrap;gap:20px;align-items:flex-start}
.listbox{flex:999 1 640px;min-width:0;background:var(--card);border:1px solid var(--line);border-radius:8px;overflow-x:auto}
.side{flex:1 1 360px;min-width:0;max-width:100%;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:20px;display:flex;flex-direction:column;gap:14px;position:sticky;top:76px}
.hint{display:flex;gap:10px;align-items:center;padding:10px 16px;background:#F8FAFC;border-bottom:1px solid var(--line);color:#374151;font-size:13px}
.grid-head,.row{display:grid;gap:16px;align-items:center;padding:10px 16px}
.grid-head{border-bottom:1px solid var(--line);color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}
.tx-cols{grid-template-columns:64px minmax(0,1fr) 130px 190px;min-width:620px}
.inv-cols{grid-template-columns:92px minmax(0,1fr) 130px 120px 180px;min-width:740px}
.row{width:100%;text-align:left;border:0;border-bottom:1px solid var(--line2);background:#fff;cursor:pointer;padding:12px 16px}
.row:hover{background:#F8FAFC}
.row[aria-current=true]{background:var(--accentbg);box-shadow:inset 3px 0 0 var(--accent)}
.row.drop{background:#DBEAFE;outline:2px dashed var(--accent);outline-offset:-4px}
.ellip{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.muted{color:var(--muted)}
.right{text-align:right}
.st{display:flex;align-items:center;gap:8px;font-weight:500}
.dot{width:8px;height:8px;border-radius:50%;flex:none;background:currentColor}
.s-settled,.s-paid,.s-explained{color:var(--ok)}.s-decision,.s-topay{color:var(--warn)}.s-missing,.s-double,.s-overdue{color:var(--bad)}
.s-noinvoice{color:var(--grey)}.s-income,.s-partial{color:var(--info)}.s-review{color:var(--violet)}
.banner{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:6px;font-weight:600}
.b-settled,.b-paid,.b-explained{background:var(--okbg);color:var(--ok)}.b-decision,.b-topay{background:var(--warnbg);color:var(--warn)}.b-missing,.b-double,.b-overdue{background:var(--badbg);color:var(--bad)}
.b-noinvoice{background:var(--greybg);color:var(--grey)}.b-income,.b-partial{background:var(--infobg);color:var(--info)}.b-review{background:var(--violetbg);color:var(--violet)}
dl.kv{margin:0;display:grid;grid-template-columns:110px minmax(0,1fr);gap:6px 12px;font-size:13px}
dl.kv dt{color:var(--muted)}dl.kv dd{margin:0;overflow-wrap:anywhere}
.inv{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:10px 12px;border:1px solid var(--line);border-radius:6px}
.inv.sel{border:2px solid var(--accent);background:#F5F7FF}
.why{font-size:13px;color:#374151;background:#F9FAFB;border-radius:6px;padding:10px 12px}
.btns{display:flex;flex-wrap:wrap;gap:8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:20px;display:flex;flex-direction:column;gap:14px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(400px,1fr));gap:16px}
.tag{padding:2px 8px;border-radius:4px;font-size:12px;font-weight:600}
.empty{padding:40px 24px;text-align:center;color:var(--soft)}
.dropzone{border:2px dashed #CBD5E1;border-radius:8px;padding:18px;text-align:center;color:var(--soft);background:#fff}
.dropzone.drop{border-color:var(--accent);background:#DBEAFE}
#toasts{position:fixed;right:16px;bottom:16px;display:flex;flex-direction:column;gap:8px;z-index:20;max-width:min(420px,calc(100vw - 32px))}
.toast{background:var(--ink);color:#fff;padding:10px 14px;border-radius:6px;box-shadow:0 4px 16px rgba(0,0,0,.15)}
.toast.err{background:var(--bad)}
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:16px}
.login-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:28px;width:min(360px,100%);display:flex;flex-direction:column;gap:18px}
.login-card form{display:flex;flex-direction:column;gap:12px}
.login-card label{display:flex;flex-direction:column;gap:6px;color:var(--soft)}
.error{color:var(--bad);min-height:1.2em;margin:0}
label.field{display:flex;flex-direction:column;gap:4px;font-size:13px;color:#374151}
.formrow{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}
.src{display:flex;align-items:center;gap:10px;font-size:13px}
.preview{width:100%;height:420px;border:1px solid var(--line);border-radius:6px;background:#fff}
@media (max-width:720px){.topbar-inner,.page{padding-left:16px;padding-right:16px}.side{position:static}.cards{grid-template-columns:1fr}}
.big-amount{font-size:22px;font-weight:500;margin-top:4px}.kvk{width:72px;flex:none}.grow{flex:1;min-width:0;overflow-wrap:anywhere}
.topbar-right{flex-wrap:wrap;min-width:0}
@media (max-width:720px){.topbar-right{margin-left:0;width:100%;justify-content:space-between}.topbar-right select{max-width:60vw}.tiles{grid-template-columns:repeat(2,minmax(0,1fr))}.tile .n{font-size:22px}}
.btn.google{display:flex;align-items:center;justify-content:center;text-decoration:none;min-height:44px}.login-card details summary{cursor:pointer;margin-bottom:10px}

/* --- layout with navigation tree --- */
.page{max-width:1560px}
.layout3,.layout2{display:grid;grid-template-columns:260px minmax(0,1fr);gap:24px;align-items:start}
.main-col{min-width:0;display:flex;flex-direction:column;gap:18px}
.tree{position:sticky;top:76px;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:8px;display:flex;flex-direction:column;gap:2px;max-height:calc(100vh - 100px);overflow:auto}
.tree-row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 10px;border-radius:6px;color:var(--ink);text-decoration:none;min-height:36px}
.tree-row:hover{background:#F3F4F6}
.tree-row[aria-current=true]{background:var(--accentbg);color:var(--accent);font-weight:600}
.tree-row.lvl0{font-weight:600}
.tree-row.lvl1{padding-left:22px;font-size:13.5px}
.tree-row.lvl2{padding-left:38px;font-size:13px;min-height:32px}
.tree-entity.open>.lvl0{color:var(--accent)}
.tree-row.add{color:var(--info);font-weight:500;margin-top:6px;border-top:1px solid var(--line2);border-radius:0 0 6px 6px}
.tree-months{display:flex;flex-direction:column;gap:1px;margin-bottom:4px}
.small{font-size:12px}
.pill{display:inline-flex;align-items:center;padding:2px 8px;border-radius:10px;font-size:12px;font-weight:600;background:var(--greybg);color:var(--grey);white-space:nowrap}
.pill.warn{background:var(--warnbg);color:var(--warn)}.pill.ok{background:var(--okbg);color:var(--ok)}.pill.bad{background:var(--badbg);color:var(--bad)}.pill.info{background:var(--infobg);color:var(--info)}
.crumbs{color:var(--muted);font-size:13px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumbs span{color:#9CA3AF}
.s-income{color:var(--info)}
.mobile-pick{display:none;gap:8px;flex-wrap:wrap}
.mobile-pick select{flex:1 1 140px;min-width:0}
a.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;color:inherit}
a.btn.primary{color:#fff}
.btn[aria-disabled=true]{opacity:.4;cursor:default}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);overflow-x:auto}
.tabs a{padding:10px 14px;text-decoration:none;color:var(--soft);border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap}
.tabs a[aria-selected=true]{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}
dl.kv.wide{grid-template-columns:140px minmax(0,1fr)}
.integ-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(420px,1fr));gap:16px}
.integ-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.integ p{margin:0}
.stats{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:13px;color:var(--soft)}
.folder{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding:12px;border:1px solid var(--line);border-radius:6px}
.browser{border:1px solid var(--line);border-radius:6px;padding:12px;display:flex;flex-direction:column;gap:10px;background:#FAFAFB}
.folders{display:flex;flex-direction:column;gap:2px;max-height:280px;overflow:auto}
.folder-item{text-align:left;padding:8px 10px;border:0;border-radius:6px;background:transparent;cursor:pointer}
.folder-item:hover{background:#EEF2FF}
.link{border:0;background:none;color:var(--info);cursor:pointer;padding:0}
.steps{margin:0;padding-left:20px;font-size:13px;color:#374151;display:flex;flex-direction:column;gap:4px}
.check{display:flex;align-items:center;gap:6px;font-size:13px}
.table{display:flex;flex-direction:column}
.trow{display:grid;grid-template-columns:200px minmax(0,1fr) 200px 160px;gap:12px;align-items:center;padding:8px 0;border-bottom:1px solid var(--line2);font-size:13px}
.formrow.inline{gap:6px}
.formrow.center{justify-content:center;margin-top:8px}
body.busy{cursor:progress}
@media (max-width:980px){.layout3,.layout2{grid-template-columns:1fr}.layout3>.tree{display:none}.mobile-pick{display:flex}.layout2>.tree{position:static;max-height:none;flex-direction:row;flex-wrap:wrap}.integ-grid{grid-template-columns:1fr}.trow{grid-template-columns:1fr}}