/* Layout: one phone-width column; a gradient "facade" hero per screen, quiet cards below, fixed bottom tabs + floating Collect button, bottom sheets for every form */
:root{
  --bg:#EDF2F0;--surface:#FFFFFF;--surface-2:#F4F8F6;--line:#DCE6E2;--fg:#0F1F1D;--muted:#5B6E6A;
  --accent:#0E7C74;--accent-ink:#0A5F59;--accent-soft:#DCEFEB;--saffron:#D98F2B;--saffron-soft:#FBEEDB;
  --due:#C4423A;--due-soft:#FBE8E5;--ok:#19804F;--ok-soft:#E1F3E9;--credit:#2A68A0;--credit-soft:#E3EDF7;
  --hero-a:#0A4650;--hero-b:#128473;--hero-c:#E4A043;--hero-fg:#FFFFFF;--hero-muted:rgba(255,255,255,.8);--hero-glass:rgba(255,255,255,.14);
  --win-lit:#FFF0C0;--win-lit-fg:#5A3D06;--win-dark:rgba(3,28,32,.45);--win-dark-fg:#FFD3CC;
  --shadow:0 14px 30px -18px rgba(8,60,66,.5);--scrim:rgba(5,20,22,.5);
  --f-display:"Bricolage Grotesque","Avenir Next","Segoe UI",system-ui,sans-serif;
  --f-body:"Plus Jakarta Sans","Segoe UI",system-ui,-apple-system,sans-serif;
  --r-lg:22px;--r-md:14px;--r-sm:10px;--wa:#1C9A52;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0A1312;--surface:#121F1D;--surface-2:#172725;--line:#243633;--fg:#E5EFED;--muted:#90A6A1;
  --accent:#3DC3B1;--accent-ink:#86E3D6;--accent-soft:#143A35;--saffron:#F0B05A;--saffron-soft:#3A2A12;
  --due:#FF7D71;--due-soft:#3A1916;--ok:#52CF8F;--ok-soft:#11301F;--credit:#7FB6EA;--credit-soft:#14293C;
  --hero-a:#062F35;--hero-b:#0D6A5D;--hero-c:#B87728;--hero-fg:#FFFFFF;--hero-muted:rgba(255,255,255,.78);--hero-glass:rgba(255,255,255,.1);
  --win-lit:#FFE7A6;--win-lit-fg:#4A3205;--win-dark:rgba(0,0,0,.42);--win-dark-fg:#FFB9AF;
  --shadow:0 14px 30px -18px rgba(0,0,0,.8);--scrim:rgba(0,0,0,.6);--wa:#1F9D55;color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0A1312;--surface:#121F1D;--surface-2:#172725;--line:#243633;--fg:#E5EFED;--muted:#90A6A1;
  --accent:#3DC3B1;--accent-ink:#86E3D6;--accent-soft:#143A35;--saffron:#F0B05A;--saffron-soft:#3A2A12;
  --due:#FF7D71;--due-soft:#3A1916;--ok:#52CF8F;--ok-soft:#11301F;--credit:#7FB6EA;--credit-soft:#14293C;
  --hero-a:#062F35;--hero-b:#0D6A5D;--hero-c:#B87728;--hero-fg:#FFFFFF;--hero-muted:rgba(255,255,255,.78);--hero-glass:rgba(255,255,255,.1);
  --win-lit:#FFE7A6;--win-lit-fg:#4A3205;--win-dark:rgba(0,0,0,.42);--win-dark-fg:#FFB9AF;
  --shadow:0 14px 30px -18px rgba(0,0,0,.8);--scrim:rgba(0,0,0,.6);--wa:#1F9D55;color-scheme:dark}

*{box-sizing:border-box}
:root{color-scheme:light;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
[hidden]{display:none!important}
img{max-width:100%}
html,body{background:var(--bg);color:var(--fg)}
body{margin:0;font-family:var(--f-body);font-size:15px;line-height:1.45;-webkit-font-smoothing:antialiased;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--bg)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2.5px solid var(--accent);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}
.app{max-width:620px;margin:0 auto;padding-block:10px 120px}

/* top bar */
.top{display:flex;align-items:center;gap:12px;padding-block:8px 14px}
.mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(150deg,var(--hero-a),var(--hero-b) 60%,var(--hero-c));display:grid;place-items:center;color:#fff;flex:none}
.mark svg{width:22px;height:22px}
.brand{min-width:0;flex:1}
.brand h1{font-family:var(--f-display);font-weight:800;font-size:21px;letter-spacing:-.01em;margin:0;line-height:1.1}
.brand p{margin:0;color:var(--muted);font-size:12.5px}
.iconbtn{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--surface);display:grid;place-items:center;flex:none}
.iconbtn svg{width:20px;height:20px}
.banner{background:var(--saffron-soft);color:var(--fg);border-radius:var(--r-md);padding:10px 14px;font-size:13.5px;margin-bottom:12px}

/* hero */
.hero{position:relative;overflow:hidden;border-radius:var(--r-lg);padding:20px 18px 18px;color:var(--hero-fg);
  background:radial-gradient(120% 90% at 100% 0%,rgba(255,255,255,.16),transparent 55%),linear-gradient(145deg,var(--hero-a) 0%,var(--hero-b) 55%,var(--hero-c) 128%);box-shadow:var(--shadow)}
.hero .eyebrow{font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--hero-muted);font-weight:600}
.hero .big{font-family:var(--f-display);font-weight:800;font-size:clamp(34px,10vw,46px);line-height:1.02;letter-spacing:-.02em;margin:6px 0 4px}
.hero .sub{color:var(--hero-muted);font-size:13.5px}
.hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}
.hstat{background:var(--hero-glass);border-radius:var(--r-md);padding:11px 12px;min-width:0}
.hstat span{display:block;font-size:11.5px;color:var(--hero-muted)}
.hstat b{display:block;font-family:var(--f-display);font-size:19px;font-weight:700;margin-top:2px}
.bar{height:6px;border-radius:9px;background:rgba(255,255,255,.22);overflow:hidden;margin-top:8px}
.bar i{display:block;height:100%;background:var(--win-lit);border-radius:9px}

/* facade */
.facade{margin-top:16px;background:rgba(0,0,0,.12);border-radius:var(--r-md);padding:12px 10px 10px}
.facade-head{display:flex;justify-content:space-between;align-items:baseline;font-size:12px;color:var(--hero-muted);margin-bottom:8px;gap:8px;flex-wrap:wrap}
.windows{display:grid;grid-template-columns:repeat(8,1fr);gap:5px}
.win{aspect-ratio:1/1.05;border-radius:5px;border:0;padding:0;font-size:10.5px;font-weight:700;display:grid;place-items:center;font-variant-numeric:tabular-nums;transition:transform .15s}
.win.clear{background:var(--win-lit);color:var(--win-lit-fg)}
.win.advance{background:var(--win-lit);color:var(--win-lit-fg);box-shadow:inset 0 -3px 0 #6FB4F0}
.win.due{background:var(--win-dark);color:var(--win-dark-fg);box-shadow:inset 0 0 0 1.5px rgba(255,140,128,.55)}
.win:hover{transform:translateY(-1px)}
.legend{display:flex;gap:12px;margin-top:9px;font-size:11.5px;color:var(--hero-muted);flex-wrap:wrap}
.legend i{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:5px;vertical-align:-1px}

/* sections & cards */
.stack{display:flex;flex-direction:column;gap:14px;margin-top:14px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:16px}
.card-h{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.card-h h2,.h2{font-family:var(--f-display);font-weight:700;font-size:17px;margin:0;letter-spacing:-.005em;text-wrap:balance}
.card-h small{color:var(--muted);font-size:12.5px}
.empty{color:var(--muted);font-size:14px;padding:6px 0}
.link{background:none;border:0;color:var(--accent);font-weight:600;font-size:13.5px;padding:4px 0}

.rows{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.row{display:flex;align-items:center;gap:12px;padding:11px 0;border-top:1px solid var(--line);cursor:pointer;min-width:0}
.rows .row:first-child{border-top:0}
.row-main{flex:1;min-width:0}
.row-main b{display:block;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row-main small{display:block;color:var(--muted);font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ico{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;flex:none;font-weight:700;font-size:15px}
.ico svg{width:17px;height:17px}
.ico-collection{background:var(--ok-soft);color:var(--ok)}
.ico-expense{background:var(--saffron-soft);color:var(--saffron)}
.ico-handover{background:var(--credit-soft);color:var(--credit)}
.ico-person{background:var(--accent-soft);color:var(--accent-ink);font-family:var(--f-display)}
.amt{font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap}
.amt-collection{color:var(--ok)}.amt-expense{color:var(--saffron)}.amt-handover{color:var(--credit)}

.pill{display:inline-flex;align-items:center;gap:4px;font-size:11.5px;font-weight:700;padding:3px 8px;border-radius:999px;white-space:nowrap}
.pill.due{background:var(--due-soft);color:var(--due)}
.pill.clear{background:var(--ok-soft);color:var(--ok)}
.pill.advance{background:var(--credit-soft);color:var(--credit)}
.pill.neutral{background:var(--surface-2);color:var(--muted)}
.pill svg{width:12px;height:12px}

/* flats */
.tools{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.search{width:100%;border:1px solid var(--line);background:var(--surface);border-radius:var(--r-md);padding:12px 14px}
.chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:7px 14px;font-size:13.5px;font-weight:600;white-space:nowrap;flex:none}
.chip[aria-pressed="true"]{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-top:12px}
.tile{text-align:left;border:1px solid var(--line);background:var(--surface);border-radius:var(--r-md);padding:12px;display:flex;flex-direction:column;gap:6px;min-width:0}
.tile .t-top{display:flex;justify-content:space-between;align-items:flex-start;gap:6px}
.tile .t-label{font-family:var(--f-display);font-weight:700;font-size:17px;line-height:1.1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tile .t-owner{color:var(--muted);font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-height:1.2em}
.tile .t-amt{font-weight:700;font-size:16px;font-variant-numeric:tabular-nums}
.tile.due .t-amt{color:var(--due)}.tile.clear .t-amt{color:var(--ok)}.tile.advance .t-amt{color:var(--credit)}
.tile.due{border-color:color-mix(in srgb,var(--due) 35%,var(--line))}

/* ledger */
.stepper{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:14px}
.stepper b{font-family:var(--f-display);font-size:18px}
.flow{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}
.flow .hstat b{font-size:17px}
.bars{display:flex;align-items:flex-end;gap:10px;height:120px;padding-top:6px}
.bcol{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;min-width:0;height:100%}
.bpair{flex:1;width:100%;display:flex;align-items:flex-end;justify-content:center;gap:3px}
.bpair i{display:block;width:40%;max-width:16px;border-radius:5px 5px 2px 2px;min-height:2px}
.bpair .bin{background:var(--accent)}.bpair .bout{background:var(--saffron)}
.bcol small{font-size:11px;color:var(--muted)}
.bcol.on small{color:var(--fg);font-weight:700}
.kv{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-top:1px solid var(--line);font-size:14px}
.kv:first-child{border-top:0}
.kv span{color:var(--muted)}
.kv b{font-variant-numeric:tabular-nums}
.keyline{display:flex;gap:14px;font-size:12px;color:var(--muted);margin-top:8px}
.keyline i{display:inline-block;width:9px;height:9px;border-radius:3px;margin-right:5px;vertical-align:-1px}

.actions{display:flex;gap:10px;flex-wrap:wrap}
.btn{border:0;border-radius:var(--r-md);padding:12px 16px;font-weight:700;font-size:14.5px;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn svg{width:18px;height:18px}
.btn-primary{background:linear-gradient(135deg,var(--hero-a),var(--hero-b) 70%,var(--hero-c) 140%);color:#fff}
.btn-soft{background:var(--accent-soft);color:var(--accent-ink)}
.btn-ghost{background:var(--surface-2);color:var(--fg);border:1px solid var(--line)}
.btn-danger{background:var(--due-soft);color:var(--due)}
a.btn{text-decoration:none}
.btn-wa{background:var(--wa);color:#fff}
.arows{display:flex;flex-direction:column;gap:6px}
.arow{display:grid;grid-template-columns:1fr 120px 36px;gap:8px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);padding:6px 6px 6px 12px}
.arow .input{padding:8px 10px;text-align:right}
.arow button{width:32px;height:32px;border-radius:9px;border:0;background:var(--due-soft);color:var(--due);font-weight:700}
.fillbox{display:grid;grid-template-columns:1fr 1fr auto;gap:8px;align-items:end}
@media (max-width:420px){.fillbox{grid-template-columns:1fr 1fr}.fillbox .btn{grid-column:1/-1}}
.mlist .row{cursor:pointer}
.btn[disabled]{opacity:.55;cursor:default}
.grow{flex:1}

/* events */
.ev{cursor:pointer}
.ev-meta{display:flex;justify-content:space-between;gap:10px;font-size:13px;color:var(--muted);margin-top:8px;flex-wrap:wrap}
.pbar{height:8px;background:var(--surface-2);border-radius:9px;overflow:hidden;margin-top:10px;border:1px solid var(--line)}
.pbar i{display:block;height:100%;background:linear-gradient(90deg,var(--hero-b),var(--hero-c))}

/* tabs + fab */
.tabs{position:fixed;left:0;right:0;bottom:0;z-index:20;background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--line);
  padding:6px max(10px,env(safe-area-inset-right,0px)) calc(6px + env(safe-area-inset-bottom,0px)) max(10px,env(safe-area-inset-left,0px))}
.tabs-in{max-width:620px;margin:0 auto;display:grid;grid-template-columns:repeat(5,1fr)}
.tab{border:0;background:none;display:flex;flex-direction:column;align-items:center;gap:3px;padding:7px 2px;font-size:11px;font-weight:600;color:var(--muted);border-radius:12px}
.tab svg{width:22px;height:22px}
.tab[aria-current="page"]{color:var(--accent)}
.tab[aria-current="page"] svg{stroke-width:2.3}
.fab{position:fixed;z-index:21;bottom:calc(76px + env(safe-area-inset-bottom,0px));right:max(16px,env(safe-area-inset-right,0px),calc((100vw - 620px)/2 + 16px));
  border:0;border-radius:999px;padding:14px 20px 14px 16px;color:#fff;font-weight:700;font-size:15px;display:flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,var(--hero-a),var(--hero-b) 60%,var(--hero-c) 140%);box-shadow:0 14px 28px -10px rgba(8,70,78,.6)}
.fab svg{width:20px;height:20px}

/* sheet */
.sheet-wrap{position:fixed;inset:0;z-index:40;display:flex;align-items:flex-end;justify-content:center}
.scrim{position:absolute;inset:0;background:var(--scrim);animation:fade .2s ease}
.sheet{position:relative;width:100%;max-width:620px;max-height:90vh;max-height:90dvh;overflow-y:auto;background:var(--bg);border-radius:24px 24px 0 0;
  padding:8px max(16px,env(safe-area-inset-right,0px)) calc(22px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));animation:rise .26s cubic-bezier(.2,.8,.2,1);overscroll-behavior:contain}
.grip{width:40px;height:5px;border-radius:9px;background:var(--line);margin:4px auto 10px}
.sheet-h{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.sheet-h h2{font-family:var(--f-display);font-size:20px;font-weight:800;margin:0;text-wrap:balance}
@keyframes rise{from{transform:translateY(40px);opacity:.4}to{transform:none;opacity:1}}
@keyframes fade{from{opacity:0}}
@media (prefers-reduced-motion:reduce){.sheet,.scrim{animation:none}.win{transition:none}}

/* forms */
.form{display:flex;flex-direction:column;gap:14px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field>label,.flabel{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.input{width:100%;border:1px solid var(--line);background:var(--surface);border-radius:var(--r-md);padding:12px 14px;min-width:0}
.input.amount{font-family:var(--f-display);font-size:26px;font-weight:700;padding:10px 14px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.hint{font-size:12.5px;color:var(--muted)}
.err{color:var(--due);font-size:13.5px;font-weight:600}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg label{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:8px 13px;font-size:13.5px;font-weight:600;cursor:pointer}
.seg input:checked+label{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.seg input:focus-visible+label{outline:2.5px solid var(--accent);outline-offset:2px}
.quick{display:flex;gap:8px;flex-wrap:wrap}
.quick button{border:1px dashed var(--accent);background:var(--accent-soft);color:var(--accent-ink);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:600}

.mini-hero{border-radius:var(--r-lg);padding:16px;color:var(--hero-fg);background:linear-gradient(145deg,var(--hero-a),var(--hero-b) 60%,var(--hero-c) 135%)}
.mini-hero .big{font-family:var(--f-display);font-size:32px;font-weight:800;line-height:1.05;margin-top:4px}
.mini-hero .sub{color:var(--hero-muted);font-size:13px}
.receipt{background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-md);padding:14px;font-size:14px;white-space:pre-wrap;font-variant-numeric:tabular-nums;word-break:break-word}
.copybox{width:100%;min-height:150px;border:1px solid var(--line);border-radius:var(--r-md);padding:12px;background:var(--surface);resize:vertical}
.ratelist{display:flex;flex-direction:column;gap:6px}
.rate{display:flex;justify-content:space-between;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);padding:9px 12px;font-size:14px}

.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(150px + env(safe-area-inset-bottom,0px));z-index:60;background:var(--fg);color:var(--bg);padding:11px 16px;border-radius:12px;font-weight:600;font-size:14px;box-shadow:var(--shadow);max-width:calc(100vw - 32px)}
.loading{padding:40px 0;text-align:center;color:var(--muted)}
.floors{display:flex;flex-direction:column;gap:5px}
.floor{display:grid;grid-template-columns:22px 1fr;gap:6px;align-items:center}
.floor>span{font-size:11px;font-weight:700;color:var(--hero-muted);text-align:center}
.floor .windows{grid-template-columns:repeat(var(--n,8),1fr)}

/* account + login (PHP version) */
.avatar{width:40px;height:40px;border-radius:50%;border:0;flex:none;color:#fff;font-family:var(--f-display);font-weight:800;font-size:16px;
  background:linear-gradient(150deg,var(--hero-a),var(--hero-b) 60%,var(--hero-c))}
.login-body{min-height:100vh;display:flex;align-items:center}
.login{width:100%;max-width:440px;margin:0 auto;padding-block:24px;display:flex;flex-direction:column;gap:14px}
.login-hero .mark{width:46px;height:46px;margin-bottom:14px;background:rgba(255,255,255,.16)}
.login .card{padding:18px}
.role{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:2px 7px;border-radius:999px;background:var(--surface-2);color:var(--muted)}
.role.admin{background:var(--accent-soft);color:var(--accent-ink)}
.check{display:flex;align-items:center;gap:10px;font-size:14px}
.check input{width:20px;height:20px;accent-color:var(--accent)}