/* ============ tokens ============ */
:root{
  --bg:#101418; --surface:#1A2026; --surface2:#232B33; --line:#2C363F;
  --ink:#ECEFF1; --ink2:#93A1AC; --ink3:#5F6C76;
  --accent:#E8A33D; --income:#4ECB8F; --expense:#F26D6D;
  --radius:16px; --radius-s:10px;
  --display:'Unbounded',sans-serif; --body:'Manrope',sans-serif;
  --safe-b:env(safe-area-inset-bottom,0px);
}
[data-theme="light"]{
  --bg:#F5F3EE; --surface:#FFFFFF; --surface2:#EEEBE3; --line:#E2DED4;
  --ink:#1B2228; --ink2:#5C6870; --ink3:#93A1AC;
  --accent:#C07E1C; --income:#1E9E66; --expense:#D64545;
}
*{box-sizing:border-box; -webkit-tap-highlight-color:transparent}
html,body{margin:0; padding:0}
body{background:var(--bg); color:var(--ink); font-family:var(--body); font-size:16px;
  font-variant-numeric:tabular-nums; transition:background .25s,color .25s}
button{font:inherit; color:inherit; background:none; border:none; padding:0; cursor:pointer}
input,select,textarea{font:inherit; color:var(--ink); background:var(--surface2);
  border:1px solid var(--line); border-radius:var(--radius-s); padding:10px 12px; width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent); outline-offset:1px; border-color:transparent}
.boot{padding:40vh 0; text-align:center; color:var(--ink3)}

/* ============ layout ============ */
#app{max-width:520px; margin:0 auto; padding:0 16px calc(84px + var(--safe-b))}
.topbar{display:flex; align-items:center; justify-content:space-between; padding:14px 0 6px;
  position:sticky; top:0; background:var(--bg); z-index:5}
.topbar h1{font-family:var(--display); font-size:15px; font-weight:700; letter-spacing:.04em; margin:0}
.period-nav{display:flex; align-items:center; gap:4px; color:var(--ink2); font-weight:600; font-size:14px}
.period-nav button{padding:8px 10px; border-radius:8px; color:var(--ink2); font-size:16px}
.period-nav button:active{background:var(--surface2)}

.tabs{position:fixed; bottom:0; left:0; right:0; background:var(--surface);
  border-top:1px solid var(--line); display:flex; z-index:10; padding-bottom:var(--safe-b)}
.tabs button{flex:1; padding:10px 0 8px; font-size:11px; font-weight:600; color:var(--ink3);
  display:flex; flex-direction:column; align-items:center; gap:3px}
.tabs button .ico{font-size:20px; line-height:1}
.tabs button.on{color:var(--accent)}

.fab{position:fixed; right:max(16px,calc(50% - 244px)); bottom:calc(72px + var(--safe-b));
  width:54px; height:54px; border-radius:50%; background:var(--accent); color:#14100A;
  font-size:30px; font-weight:600; box-shadow:0 6px 18px rgba(0,0,0,.35); z-index:9;
  display:flex; align-items:center; justify-content:center}

/* ============ hero donut ============ */
.hero{display:flex; flex-direction:column; align-items:center; padding:8px 0 4px}
.mode-pills{display:flex; background:var(--surface); border:1px solid var(--line);
  border-radius:99px; padding:3px; gap:2px; margin-bottom:14px}
.mode-pills button{padding:7px 16px; border-radius:99px; font-size:13px; font-weight:600; color:var(--ink2)}
.mode-pills button.on{background:var(--surface2); color:var(--ink)}
.donut-wrap{position:relative; width:min(78vw,300px); height:min(78vw,300px)}
.donut-wrap svg{width:100%; height:100%; transform:rotate(-90deg)}
.donut-wrap path{transition:opacity .15s}
.donut-center{position:absolute; inset:0; display:flex; flex-direction:column;
  align-items:center; justify-content:center; text-align:center; pointer-events:none}
.donut-center .big{font-family:var(--display); font-weight:700; font-size:26px}
.donut-center .sub{color:var(--ink2); font-size:12px; margin-top:4px}
.donut-center .sub b{color:var(--ink); font-weight:700}
.legend{width:100%; margin-top:14px; display:flex; flex-direction:column; gap:2px}
.legend button{display:flex; align-items:center; gap:10px; padding:9px 8px; border-radius:var(--radius-s); text-align:left}
.legend button:active{background:var(--surface)}
.legend .dot{width:10px; height:10px; border-radius:3px; flex:none}
.legend .nm{flex:1; font-size:14px; display:flex; gap:7px; align-items:center; min-width:0}
.legend .nm span.t{overflow:hidden; text-overflow:ellipsis; white-space:nowrap}
.legend .amt{font-weight:700; font-size:14px}
.legend .pct{color:var(--ink3); font-size:12px; width:38px; text-align:right}

.chips{display:flex; gap:8px; overflow-x:auto; padding:10px 0 2px; scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none; background:var(--surface); border:1px solid var(--line); border-radius:99px;
  padding:8px 14px; font-size:13px; font-weight:600}
.chip.warn{border-color:var(--accent); color:var(--accent)}

/* ============ transaction list ============ */
.day-h{color:var(--ink3); font-size:12px; font-weight:700; letter-spacing:.06em;
  text-transform:uppercase; margin:18px 2px 6px; display:flex; justify-content:space-between}
.tx{display:flex; align-items:center; gap:12px; width:100%; text-align:left;
  padding:10px 8px; border-radius:var(--radius-s)}
.tx:active{background:var(--surface)}
.tx .em{width:38px; height:38px; border-radius:12px; background:var(--surface2);
  display:flex; align-items:center; justify-content:center; font-size:18px; flex:none}
.tx .mid{flex:1; min-width:0}
.tx .t1{font-weight:600; font-size:14.5px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis}
.tx .t2{color:var(--ink2); font-size:12px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; margin-top:1px}
.tx .amt{font-weight:700; font-size:15px; white-space:nowrap}
.tx .amt.in{color:var(--income)} .tx .amt.out{color:var(--ink)}
.tx.internal{opacity:.45}
.owner-badge{display:inline-block; font-size:10px; font-weight:700; padding:1px 6px;
  border-radius:6px; background:var(--surface2); color:var(--ink2); margin-left:6px; vertical-align:1px}

/* ============ categories tab ============ */
.cat-row{display:flex; align-items:center; gap:12px; padding:11px 8px; background:var(--surface);
  border-radius:var(--radius-s); margin-bottom:8px}
.cat-row .drag{color:var(--ink3); font-size:18px; cursor:grab; padding:4px; touch-action:none}
.cat-row .em{font-size:20px}
.cat-row .nm{flex:1; font-weight:600; font-size:14.5px}
.cat-row .sum{color:var(--ink2); font-size:13px}
.sortable-ghost{opacity:.3}
.sec-h{font-family:var(--display); font-size:13px; font-weight:700; margin:22px 2px 10px; color:var(--ink2)}

/* ============ sheet & forms ============ */
.sheet-back{position:fixed; inset:0; background:rgba(0,0,0,.55); z-index:20; animation:fade .18s}
.sheet{position:fixed; left:0; right:0; bottom:0; z-index:21; background:var(--surface);
  border-radius:20px 20px 0 0; max-width:520px; margin:0 auto; padding:10px 18px calc(20px + var(--safe-b));
  max-height:88vh; overflow-y:auto; animation:up .22s}
.sheet .grab{width:38px; height:4px; border-radius:2px; background:var(--line); margin:2px auto 14px}
.sheet h2{font-family:var(--display); font-size:16px; margin:0 0 4px}
.sheet .meta{color:var(--ink2); font-size:13px; margin-bottom:14px; line-height:1.5}
.fld{margin-bottom:12px}
.fld label{display:block; font-size:12px; font-weight:700; color:var(--ink2); margin-bottom:5px}
.row2{display:flex; gap:10px} .row2>*{flex:1}
.check{display:flex; gap:9px; align-items:flex-start; font-size:13.5px; color:var(--ink2); margin:10px 0}
.check input{width:auto; margin-top:2px}
.btn{display:block; width:100%; background:var(--accent); color:#14100A; font-weight:700;
  padding:13px; border-radius:12px; text-align:center; font-size:15px; margin-top:6px}
.btn.ghost{background:var(--surface2); color:var(--ink)}
.btn.danger{background:transparent; color:var(--expense)}
.seg{display:flex; background:var(--surface2); border-radius:10px; padding:3px; gap:2px}
.seg button{flex:1; padding:8px 0; border-radius:8px; font-size:13px; font-weight:600; color:var(--ink2)}
.seg button.on{background:var(--surface); color:var(--ink)}
@keyframes up{from{transform:translateY(40%)}to{transform:translateY(0)}}
@keyframes fade{from{opacity:0}to{opacity:1}}
@media (prefers-reduced-motion:reduce){*{animation:none!important; transition:none!important}}

/* ============ login ============ */
.login{min-height:92vh; display:flex; flex-direction:column; justify-content:center; gap:12px; max-width:340px; margin:0 auto}
.login .logo{font-size:44px; text-align:center}
.login h1{font-family:var(--display); font-size:20px; text-align:center; margin:0 0 10px}

/* ============ misc ============ */
.card{background:var(--surface); border-radius:var(--radius); padding:16px; margin-bottom:12px}
.empty{text-align:center; color:var(--ink3); padding:48px 20px; font-size:14px; line-height:1.6}
#toast{position:fixed; bottom:calc(90px + var(--safe-b)); left:50%; transform:translateX(-50%) translateY(20px);
  background:var(--surface2); color:var(--ink); border:1px solid var(--line); padding:10px 18px;
  border-radius:99px; font-size:13.5px; font-weight:600; opacity:0; transition:.25s; z-index:30; pointer-events:none;
  white-space:nowrap; box-shadow:0 6px 20px rgba(0,0,0,.3)}
#toast.show{opacity:1; transform:translateX(-50%) translateY(0)}