/* ============================================================
   RentBot Mini App — design system
   ============================================================ */
:root{
  --bg:#eef1f4;--surface:#ffffff;--surface-2:#f4f7f9;--elevated:#ffffff;
  --text:#0f1519;--muted:#66727c;--line:#e4e9ed;
  --accent:#12b981;--accent-strong:#0e9f6e;--on-accent:#ffffff;
  --accent-soft:color-mix(in srgb,var(--accent) 12%,var(--surface));
  --danger:#ef4444;--danger-bg:#fdecec;--danger-text:#c0362f;
  --st-paid-bg:#dcf5e8;--st-paid-text:#0f7a4f;
  --st-pending-bg:#fdefc7;--st-pending-text:#8a6410;
  --st-declared-bg:#dbeafe;--st-declared-text:#1d61a8;
  --shadow-sm:0 1px 2px rgba(16,24,32,.06);
  --shadow:0 1px 2px rgba(16,24,32,.05),0 10px 30px rgba(16,24,32,.07);
  --shadow-lg:0 -6px 40px rgba(16,24,32,.18);
  --radius:22px;--radius-sm:15px;--radius-xs:12px;
  --ease:cubic-bezier(.22,.61,.36,1);--spring:cubic-bezier(.34,1.56,.64,1);
  --safe-top:0px;--safe-bottom:0px;--safe-left:0px;--safe-right:0px;
  --tabbar-h:68px;
}
html[data-theme="dark"]{
  --bg:#0d1214;--surface:#161d20;--surface-2:#1c2529;--elevated:#1a2226;
  --text:#eef3f5;--muted:#8b98a1;--line:#28323a;
  --danger:#f87171;--danger-bg:#3a1e1e;--danger-text:#fca5a5;
  --st-paid-bg:#123a2a;--st-paid-text:#5ee9a4;
  --st-pending-bg:#3a2f12;--st-pending-text:#fbbf24;
  --st-declared-bg:#152a44;--st-declared-text:#8ec2f7;
  --shadow-sm:0 1px 2px rgba(0,0,0,.3);
  --shadow:0 1px 2px rgba(0,0,0,.3),0 12px 30px rgba(0,0,0,.4);
  --shadow-lg:0 -6px 44px rgba(0,0,0,.55);
}
html[data-accent="blue"]{--accent:#3b82f6;--accent-strong:#2563eb}
html[data-accent="violet"]{--accent:#8b5cf6;--accent-strong:#7c3aed}
html[data-accent="orange"]{--accent:#f59e0b;--accent-strong:#d97706}
html[data-accent="rose"]{--accent:#f43f5e;--accent-strong:#e11d48}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
html{touch-action:manipulation}
body{
  margin:0;background:var(--bg);color:var(--text);overflow:hidden;
  font:15px/1.45 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  overscroll-behavior:none;-webkit-font-smoothing:antialiased;
  opacity:0;transition:opacity .35s var(--ease);
}
body.ready{opacity:1}
h1,h2,h3,h4,p{margin:0}
.muted{color:var(--muted)}
.hidden{display:none!important}

/* ---------- pager + screens ---------- */
.pager{
  position:fixed;inset:0;display:flex;
  overflow-x:auto;overflow-y:hidden;
  scroll-snap-type:x mandatory;scroll-behavior:smooth;
  -ms-overflow-style:none;scrollbar-width:none;
}
.pager::-webkit-scrollbar{display:none}
.screen{
  flex:0 0 100%;height:100%;overflow-y:auto;overflow-x:hidden;
  scroll-snap-align:start;scroll-snap-stop:always;
  -ms-overflow-style:none;scrollbar-width:none;
  padding:calc(var(--safe-top) + 26px) calc(18px + var(--safe-right))
          calc(var(--tabbar-h) + 24px + var(--safe-bottom)) calc(18px + var(--safe-left));
}
.screen::-webkit-scrollbar{display:none}
.screen-inner{max-width:720px;margin:auto}

.app-header{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:22px;animation:rise .5s var(--ease) both}
.eyebrow{color:var(--accent);font-weight:850;font-size:11px;letter-spacing:.18em;margin-bottom:5px}
h1{font-size:28px;letter-spacing:-.045em;font-weight:820}
h2{font-size:16px;font-weight:800;letter-spacing:-.01em}
.avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:var(--on-accent);background:linear-gradient(135deg,var(--accent),var(--accent-strong));box-shadow:var(--shadow-sm)}

/* ---------- overview ---------- */
.balance-card{
  position:relative;overflow:hidden;border-radius:var(--radius);padding:22px;color:var(--on-accent);
  background:linear-gradient(135deg,var(--accent),var(--accent-strong));
  box-shadow:0 14px 34px color-mix(in srgb,var(--accent) 42%,transparent);
  animation:rise .55s var(--ease) both;animation-delay:.04s;
}
.balance-card::after{content:"";position:absolute;right:-40px;top:-60px;width:180px;height:180px;border-radius:50%;background:rgba(255,255,255,.14)}
.balance-card .label{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;opacity:.85}
.balance-card .amount{font-size:38px;font-weight:850;letter-spacing:-.04em;margin-top:6px}
.balance-card .sub{margin-top:6px;font-size:13px;opacity:.9}
.stat-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:14px 0 26px}
.stat{background:var(--surface);border-radius:var(--radius-sm);padding:15px 16px;box-shadow:var(--shadow-sm);animation:rise .55s var(--ease) both;animation-delay:.08s}
.stat b{display:block;font-size:23px;font-weight:840;letter-spacing:-.03em}
.stat span{color:var(--muted);font-size:13px}
.income{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1px;background:var(--line);border-radius:var(--radius-sm);overflow:hidden;margin-bottom:26px;box-shadow:var(--shadow-sm);animation:rise .55s var(--ease) both;animation-delay:.1s}
.income div{background:var(--surface);padding:14px 12px;text-align:center}
.income b{display:block;font-size:16px;font-weight:820;letter-spacing:-.02em}
.income span{color:var(--muted);font-size:11.5px;font-weight:600}

.section-head{display:flex;align-items:center;justify-content:space-between;margin:0 2px 12px}
.section-head .count{color:var(--muted);font-size:14px;font-weight:700}

.stack{display:grid;gap:12px}
.hl-row{display:flex;align-items:center;gap:13px;background:var(--surface);border-radius:var(--radius-sm);padding:14px;box-shadow:var(--shadow-sm);cursor:pointer;transition:transform .12s var(--ease);animation:rise .5s var(--ease) both;animation-delay:calc(var(--i,0)*.05s + .1s)}
.hl-row:active{transform:scale(.98)}
.hl-dot{width:10px;height:10px;border-radius:50%;flex:none;background:var(--st-pending-text)}
.hl-dot.confirmed{background:var(--st-paid-text)}
.hl-dot.declared{background:var(--st-declared-text)}
.hl-main{flex:1;min-width:0}
.hl-main h4{font-size:15px;font-weight:750;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hl-main p{font-size:12.5px;color:var(--muted)}
.hl-amount{font-weight:820;letter-spacing:-.02em}
.chev{color:var(--muted);font-size:20px;line-height:1}

/* ---------- segmented filter ---------- */
.segmented{position:relative;display:grid;grid-auto-flow:column;grid-auto-columns:1fr;background:var(--surface-2);border-radius:999px;padding:4px;margin-bottom:16px;box-shadow:inset 0 0 0 1px var(--line);animation:rise .5s var(--ease) both;animation-delay:.05s}
.seg-thumb{position:absolute;top:4px;bottom:4px;left:4px;width:calc((100% - 8px)/3);border-radius:999px;background:var(--surface);box-shadow:var(--shadow-sm);transition:transform .32s var(--spring)}
.seg{position:relative;z-index:1;border:0;background:transparent;color:var(--muted);font:inherit;font-weight:750;padding:9px 4px;border-radius:999px;cursor:pointer;transition:color .25s}
.seg.active{color:var(--text)}

/* ---------- search ---------- */
.search{display:flex;align-items:center;gap:9px;background:var(--surface);border-radius:14px;padding:0 14px;margin-bottom:12px;box-shadow:var(--shadow-sm);animation:rise .5s var(--ease) both}
.search svg{width:18px;height:18px;color:var(--muted);flex:none}
.search input{border:0;background:transparent;padding:13px 0;font:inherit;color:var(--text);width:100%}
.search input:focus{outline:0;box-shadow:none}

/* ---------- property card ---------- */
.card{
  position:relative;background:var(--surface);padding:16px;border-radius:var(--radius);
  box-shadow:var(--shadow-sm);cursor:pointer;transition:transform .12s var(--ease);
  animation:rise .5s var(--ease) both;animation-delay:calc(var(--i,0)*.05s + .08s);
}
.card:active{transform:scale(.985)}
.card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.card-title h3{font-size:17.5px;font-weight:800;letter-spacing:-.02em}
.card-title .meta{color:var(--muted);font-size:13px;margin-top:3px}
.status{border-radius:999px;padding:5px 11px;font-size:12px;font-weight:750;white-space:nowrap;background:var(--st-paid-bg);color:var(--st-paid-text)}
.status.pending{background:var(--st-pending-bg);color:var(--st-pending-text)}
.status.declared{background:var(--st-declared-bg);color:var(--st-declared-text)}
.tenant{margin-top:10px;color:var(--muted);font-size:13px}
.payment{margin-top:13px;padding:14px;border-radius:var(--radius-sm);background:var(--accent-soft)}
.payment b{display:block;font-size:19px;font-weight:840;letter-spacing:-.03em}
.payment span{color:var(--muted);font-size:13px}
.note-line{margin-top:11px;font-size:13px;color:var(--muted);display:flex;gap:7px;align-items:flex-start}
.note-line::before{content:"📝";font-size:13px}
.note-line:empty{display:none}
.card-cta{margin-top:13px;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:flex-end;gap:4px;color:var(--accent);font-size:13px;font-weight:750}

.empty{text-align:center;color:var(--muted);padding:48px 16px;animation:fade .4s var(--ease)}
.empty .emoji{font-size:40px;display:block;margin-bottom:12px}

/* ---------- tab bar ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:20;display:flex;
  padding:8px calc(10px + var(--safe-right)) calc(8px + var(--safe-bottom)) calc(10px + var(--safe-left));
  background:color-mix(in srgb,var(--surface) 86%,transparent);
  backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px);
  border-top:1px solid var(--line);
}
.tabbar button{flex:1;border:0;background:transparent;color:var(--muted);display:grid;justify-items:center;gap:3px;padding:6px 0;font:inherit;font-size:11px;font-weight:700;cursor:pointer;transition:color .2s;position:relative}
.tabbar button svg{width:24px;height:24px;transition:transform .3s var(--spring)}
.tabbar button.active{color:var(--accent)}
.tabbar button.active svg{transform:translateY(-2px) scale(1.06)}
.tabbar button.active::before{content:"";position:absolute;top:0;width:22px;height:3px;border-radius:3px;background:var(--accent)}

/* ---------- FAB ---------- */
.fab{
  position:fixed;right:calc(18px + var(--safe-right));bottom:calc(var(--tabbar-h) + 14px + var(--safe-bottom));z-index:15;
  border:0;border-radius:18px;padding:15px 18px;font:inherit;font-weight:780;font-size:15px;cursor:pointer;
  display:flex;align-items:center;gap:8px;color:var(--on-accent);
  background:linear-gradient(135deg,var(--accent),var(--accent-strong));
  box-shadow:0 12px 30px color-mix(in srgb,var(--accent) 48%,transparent);
  transition:transform .3s var(--spring),opacity .3s var(--ease);
  animation:pop .45s var(--spring) backwards;animation-delay:.2s;
}
.fab svg{width:20px;height:20px}
.fab:active{transform:scale(.92)}
.fab.tucked{animation:none;opacity:0;transform:translateY(24px) scale(.85);pointer-events:none}

/* ---------- generic buttons ---------- */
button{cursor:pointer;font:inherit}
.btn{position:relative;overflow:hidden;border:0;border-radius:14px;padding:13px 15px;font-weight:770;font-size:15px;cursor:pointer;color:var(--on-accent);background:var(--accent);transition:transform .12s var(--ease),filter .2s;width:100%}
.btn:active{transform:scale(.97)}
.btn.secondary{background:var(--surface-2);color:var(--text);box-shadow:inset 0 0 0 1px var(--line)}
.btn.danger{background:var(--danger-bg);color:var(--danger-text)}
.ripple{position:absolute;border-radius:50%;transform:scale(0);background:currentColor;opacity:.25;pointer-events:none;animation:ripple .55s var(--ease)}

/* ---------- bottom sheet ---------- */
.sheet-backdrop{position:fixed;inset:0;z-index:40;background:rgba(6,12,14,.5);opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s}
.sheet-backdrop.show{opacity:1;visibility:visible}
.sheet{
  position:fixed;left:0;right:0;bottom:0;z-index:41;
  background:var(--surface);border-radius:26px 26px 0 0;box-shadow:var(--shadow-lg);
  padding:8px calc(20px + var(--safe-left)) calc(22px + var(--safe-bottom)) calc(20px + var(--safe-right));
  max-height:90vh;overflow-y:auto;transform:translateY(102%);transition:transform .4s var(--spring);
  -ms-overflow-style:none;scrollbar-width:none;
}
.sheet::-webkit-scrollbar{display:none}
.sheet.show{transform:none}
.sheet-grip{width:40px;height:5px;border-radius:3px;background:var(--line);margin:6px auto 14px;cursor:grab}
.sheet-title{font-size:21px;font-weight:830;letter-spacing:-.03em;margin-bottom:4px}
.sheet-sub{color:var(--muted);font-size:13.5px;margin-bottom:18px}
.detail-block{background:var(--surface-2);border-radius:var(--radius-sm);padding:15px;margin-bottom:12px}
.detail-block .payment{background:var(--accent-soft)}
.meter{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}
.meter:last-child{border-bottom:0}
.meter b{font-weight:750}
.hist-row{display:flex;justify-content:space-between;padding:7px 0;font-size:13.5px;color:var(--muted);border-bottom:1px solid var(--line)}
.hist-row:last-child{border-bottom:0}
.action-grid{display:grid;gap:9px;margin-top:6px}

/* ---------- forms ---------- */
label{display:grid;gap:7px;font-size:13px;font-weight:750;margin-top:15px}
label .sub{font-weight:500;color:var(--muted)}
input,textarea{width:100%;border:1px solid var(--line);border-radius:13px;padding:13px;background:var(--surface-2);color:var(--text);font:inherit;transition:border-color .2s,box-shadow .2s}
input:focus,textarea:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 20%,transparent)}
textarea{min-height:92px;resize:vertical}
.form-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:22px}

/* ---------- settings ---------- */
.group{margin-bottom:22px}
.group-label{color:var(--muted);font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin:0 4px 10px}
.panel{background:var(--surface);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);overflow:hidden}
.row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 16px;border-bottom:1px solid var(--line)}
.row:last-child{border-bottom:0}
.row .label{font-weight:700;font-size:14.5px}
.choices{display:flex;gap:8px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:var(--surface-2);color:var(--text);border-radius:11px;padding:9px 14px;font-weight:720;font-size:13.5px;cursor:pointer;transition:all .2s var(--ease)}
.chip.active{background:var(--accent);color:var(--on-accent);border-color:transparent;box-shadow:0 6px 14px color-mix(in srgb,var(--accent) 32%,transparent)}
.swatches{display:flex;gap:10px}
.swatch{width:32px;height:32px;border-radius:50%;cursor:pointer;border:2px solid transparent;transition:transform .18s var(--spring)}
.swatch.active{border-color:var(--text);transform:scale(1.12)}
.swatch:active{transform:scale(.9)}
.toggle{width:50px;height:30px;border-radius:999px;border:0;background:var(--line);position:relative;cursor:pointer;transition:background .25s var(--ease);flex:none}
.toggle::after{content:"";position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:#fff;box-shadow:var(--shadow-sm);transition:transform .28s var(--spring)}
.toggle.on{background:var(--accent)}
.toggle.on::after{transform:translateX(20px)}
.link-row{display:flex;align-items:center;justify-content:space-between;padding:15px 16px;cursor:pointer;font-weight:700;font-size:14.5px}
.version{text-align:center;color:var(--muted);font-size:12.5px;margin-top:10px}

/* ---------- toast ---------- */
#toast{position:fixed;left:50%;bottom:calc(var(--tabbar-h) + 20px + var(--safe-bottom));z-index:60;transform:translate(-50%,20px);opacity:0;transition:transform .35s var(--spring),opacity .35s var(--ease);background:var(--text);color:var(--bg);padding:12px 18px;border-radius:14px;font-weight:700;font-size:14px;box-shadow:var(--shadow);max-width:88vw;text-align:center;pointer-events:none}
#toast.show{transform:translate(-50%,0);opacity:1}

/* ---------- animations ---------- */
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes pop{from{opacity:0;transform:scale(.7)}to{opacity:1;transform:none}}
@keyframes ripple{to{transform:scale(2.4);opacity:0}}
@media (prefers-reduced-motion:reduce){*{animation-duration:.001ms!important;transition-duration:.05s!important}}
@media (min-width:640px){.fab{right:calc(50% - 340px)}}