:root{color-scheme:light dark;--bg:#f4f5f9;--card:#fff;--text:#1f2433;--muted:#6b7285;--line:#e8eaf1;--accent:#4f46e5;--accent-soft:#eef0ff;--bad:#dc2626;--good:#059669;--shadow:0 1px 2px rgba(20,25,50,.05),0 4px 14px rgba(20,25,50,.05)}
@media(prefers-color-scheme:dark){:root{--bg:#0f1117;--card:#181b24;--text:#eceef5;--muted:#9aa1b5;--line:#272b38;--accent:#8b8cf8;--accent-soft:#222543;--bad:#f87171;--good:#34d399;--shadow:0 1px 2px rgba(0,0,0,.4)}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-variant-numeric:tabular-nums;-webkit-tap-highlight-color:transparent;overflow-wrap:break-word}
a,button,select,input{touch-action:manipulation}
a{color:var(--accent);text-decoration:none}
@media(hover:hover){a:hover{text-decoration:underline}}

/* header + navigation */
.top{position:sticky;top:0;z-index:5;display:flex;gap:6px;align-items:center;padding:10px max(24px,env(safe-area-inset-right)) 10px max(24px,env(safe-area-inset-left));padding-top:max(10px,env(safe-area-inset-top));background:var(--card);border-bottom:1px solid var(--line)}
.top .brand{margin-right:auto;display:flex;align-items:center;gap:8px;text-decoration:none}
.brand-logo{height:34px;width:auto;display:block}.brand-name{height:26px;width:auto;display:block}
.auth-logo{display:block;height:110px;width:auto;margin:-6px auto 0}
.auth-name{display:block;height:44px;width:auto;margin:0 auto 14px}
.tabs{display:flex;gap:4px}
.tabs a{color:var(--muted);padding:7px 12px;border-radius:8px;font-weight:500}
.tabs a.on{background:var(--accent-soft);color:var(--accent)}
@media(hover:hover){.tabs a:hover{background:var(--accent-soft);color:var(--accent);text-decoration:none}}
.top form{margin:0}

main{max-width:1040px;margin:0 auto;padding:28px max(20px,env(safe-area-inset-right)) 60px max(20px,env(safe-area-inset-left))}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:18px;box-shadow:var(--shadow)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}.grid>.card{margin-bottom:0}
.grid+.card,.grid+.grid,.grid+.flash,.flash+.card,.card+.grid,.flash+.grid{margin-top:18px}
.stat small{color:var(--muted);display:block;font-weight:500}.stat span{font-size:28px;font-weight:700;letter-spacing:-.02em}
.muted{color:var(--muted)}.bad{color:var(--bad)}.good{color:var(--good)}
h1{font-size:26px;margin:0 0 18px;letter-spacing:-.02em}h2{font-size:14px;margin:0 0 14px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:11px 8px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}th{color:var(--muted);font-size:13px;font-weight:600}
td.num,th.num{text-align:right;white-space:nowrap}
input,select,button{font:inherit;padding:8px 12px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--text);max-width:100%}
input:focus,select:focus{outline:2px solid var(--accent);outline-offset:0;border-color:transparent}
button{background:var(--accent);color:#fff;border-color:var(--accent);cursor:pointer;font-weight:600}
button.link{background:none;color:var(--accent);border:0;padding:6px 8px;font-weight:500}button.danger{background:var(--bad);border-color:var(--bad)}
@media(hover:hover){button:hover{filter:brightness(1.08)}}
input[type=color]{padding:2px;width:44px;height:40px;cursor:pointer}
input[type=checkbox]{width:auto;accent-color:var(--accent)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.row .grow{flex:1 1 200px;min-width:0}
.pill{padding:8px 14px;border-radius:10px;background:var(--accent-soft);font-weight:600;line-height:1}
.bar{height:8px;border-radius:99px;background:var(--line);overflow:hidden;min-width:60px}.bar i{display:block;height:100%;border-radius:99px}
.dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:8px}
.flash{background:var(--accent-soft);color:var(--text);border:1px solid var(--line);padding:12px 16px;border-radius:12px;margin-bottom:18px}
.auth{max-width:380px;margin:14vh auto}.auth input:not([type=checkbox]){width:100%;margin-bottom:12px}.auth button{width:100%;padding:11px}
.trend{display:flex;gap:12px;align-items:flex-end;height:150px}
.trend div{flex:1;text-align:center;font-size:12px;color:var(--muted)}.trend a{color:var(--muted)}.trend i{display:block;background:var(--accent);opacity:.85;border-radius:6px 6px 0 0;min-height:3px;margin-bottom:4px}
.pie{width:100%;max-width:520px;display:block;margin:0 auto;overflow:visible}.pie text{fill:var(--text);font-size:13px;font-weight:500}.pie path,.pie circle{stroke:var(--card);stroke-width:2}
form.inline{display:inline;margin:0}
input[type=file]{width:100%;padding:6px}
input[type=file]::file-selector-button{font:inherit;font-weight:600;margin-right:10px;padding:8px 12px;border:0;border-radius:8px;background:var(--accent-soft);color:var(--accent);cursor:pointer}
button.danger.soft{background:transparent;color:var(--bad)}
.tx .m{overflow-wrap:anywhere}

/* phones */
@media(max-width:700px){
  body{font-size:16px;padding-bottom:calc(68px + env(safe-area-inset-bottom))}
  .hide-s{display:none}
  .top{padding:10px 16px;padding-top:max(10px,env(safe-area-inset-top))}
  .top button.link{padding:10px 4px}
  .tabs{position:fixed;left:0;right:0;bottom:0;z-index:10;gap:0;background:var(--card);border-top:1px solid var(--line);padding:6px max(4px,env(safe-area-inset-right)) calc(6px + env(safe-area-inset-bottom)) max(4px,env(safe-area-inset-left))}
  .tabs a{flex:1;text-align:center;padding:9px 2px;font-size:11.5px;border-radius:10px;min-height:44px;display:flex;align-items:center;justify-content:center}
  main{padding:18px max(14px,env(safe-area-inset-right)) 24px max(14px,env(safe-area-inset-left))}
  h1{font-size:23px;margin-bottom:14px}
  .card{padding:16px;border-radius:14px}
  .grid{gap:12px}.grid+.card,.grid+.grid,.grid+.flash,.card+.grid,.flash+.grid{margin-top:12px}
  input,select,button{font-size:16px;min-height:44px}           /* 16px stops iOS zooming into fields */
  input[type=checkbox]{min-height:0;width:20px;height:20px}
  .row{gap:8px}
  .row>input:not([type=checkbox]):not([type=color]),.row>select,.row>button{flex:1 1 140px}
  .row.nowrap>*{flex:0 0 auto}
  .stats{grid-template-columns:1fr 1fr}.stats .stat:first-child{grid-column:1/-1}
  .stats .stat span{font-size:22px}.stats .stat:first-child span{font-size:30px}
  .auth{margin:9vh auto 0}
  .trend{height:130px;gap:8px}
  .pie text{font-size:15px}

  /* transactions: one card per row instead of a wide table */
  table.tx thead{display:none}
  table.tx,table.tx tbody{display:block}
  table.tx tr{display:grid;grid-template-columns:1fr auto;grid-template-areas:"m a" "d d" "c c";gap:2px 12px;padding:12px 0;border-bottom:1px solid var(--line)}
  table.tx tr:last-child{border-bottom:0}
  table.tx td{display:block;padding:0;border:0}
  table.tx td.m{grid-area:m;font-weight:600}
  table.tx td.num{grid-area:a;font-weight:600;font-size:16px}
  table.tx td.d{grid-area:d;font-size:13px}
  table.tx td.c{grid-area:c;margin-top:8px}
  table.tx td.c form,table.tx td.c select{display:block;width:100%}
  table.tx td.c label{display:none}
  td.empty{display:block;grid-column:1/-1}

  /* categories / rules */
  .cat-row{width:100%}
  .cat-row input[name=name]{flex:1 1 120px;min-width:0}
  .cat-row select{flex:1 1 100%}
  .cat-row small{flex:0 0 auto}
  .cat-row button{flex:1 1 40%}
  table.rules td{padding:10px 4px}
}
@media(max-width:360px){.tabs a{font-size:10.5px}.stats .stat span{font-size:20px}}
code{font-size:.9em;overflow-wrap:anywhere;background:var(--accent-soft);padding:1px 6px;border-radius:6px}

.demo-banner{background:var(--accent-soft);color:var(--accent);text-align:center;padding:8px 16px;font-size:13px;font-weight:600;border-bottom:1px solid var(--line)}
.auth.demo-link{margin:-6px auto 0;text-align:center;font-size:14px}
@media(max-width:700px){.auth.demo-link{margin-top:2px}}