:root{
  --bg:#f4f6fb; --surface:#ffffff; --surface2:#f1f4fa; --border:#e4e8f0;
  --text:#1a2233; --muted:#7a8598; --accent:#3b6fe0; --accent2:#16b087;
  --danger:#e5484d; --warn:#e8930c; --green:#16b087; --radius:14px;
  --shadow:0 1px 3px rgba(20,30,60,.06),0 1px 2px rgba(20,30,60,.04);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{overflow-x:hidden;max-width:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);color:var(--text);font-size:15px;line-height:1.5}
button{font-family:inherit;cursor:pointer}
.hidden{display:none!important}

/* --- Login --- */
#login{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
  background:var(--bg);z-index:50}
.login-card{background:var(--surface);border:1px solid var(--border);border-radius:20px;
  padding:36px;width:340px;text-align:center;box-shadow:0 10px 40px rgba(20,30,60,.10)}
.login-card h1{font-size:22px;margin-bottom:6px}
.login-card p{color:var(--muted);font-size:13px;margin-bottom:22px}
.login-card input{width:100%;padding:13px 15px;background:var(--surface2);border:1px solid var(--border);
  border-radius:12px;color:var(--text);font-size:15px;margin-bottom:12px;outline:none}
.pw-wrap{position:relative}
.pw-wrap input{padding-right:46px}
.pw-toggle{position:absolute;right:6px;top:11px;background:none;border:none;font-size:19px;
  padding:4px 8px;cursor:pointer;line-height:1;opacity:.7}
.pw-toggle:hover{opacity:1}
.login-card input:focus{border-color:var(--accent)}
.login-card button{width:100%;padding:13px;background:var(--accent);border:none;border-radius:12px;
  color:#fff;font-weight:600;font-size:15px}
.login-err{color:var(--danger);font-size:13px;height:18px;margin-top:8px}

/* --- Shell --- */
#app{display:flex;min-height:100vh}
.sidebar{width:210px;background:var(--surface);border-right:1px solid var(--border);
  padding:20px 12px;flex-shrink:0;position:sticky;top:0;height:100vh}
.brand{font-size:18px;font-weight:700;padding:6px 12px 20px;display:flex;align-items:center;gap:8px}
.brand span{color:var(--accent)}
.nav{display:flex;flex-direction:column;gap:2px}
.nav button{display:flex;align-items:center;gap:10px;padding:11px 14px;background:none;border:none;
  color:var(--muted);border-radius:10px;font-size:14px;text-align:left;width:100%;transition:.12s}
.nav button:hover{background:var(--surface2);color:var(--text)}
.nav button.active{background:var(--accent);color:#fff;font-weight:600}
.sidebar .logout{margin-top:auto;position:absolute;bottom:20px;left:12px;right:12px}
.logout button{width:100%;padding:10px;background:var(--surface2);border:1px solid var(--border);
  color:var(--muted);border-radius:10px;font-size:13px}

.main{flex:1;min-width:0;padding:24px 30px;max-width:1100px}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;flex-wrap:wrap;gap:12px}
.topbar h2{font-size:22px}
.months{display:flex;gap:6px;flex-wrap:wrap}
.months button{padding:7px 13px;background:var(--surface);border:1px solid var(--border);
  color:var(--muted);border-radius:10px;font-size:13px}
.months button.active{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}

/* --- Cards --- */
.grid{display:grid;gap:16px}
.grid.k4{grid-template-columns:repeat(4,1fr)}
.grid.k3{grid-template-columns:repeat(3,1fr)}
.grid.k2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.kpi .label{color:var(--muted);font-size:13px;margin-bottom:8px}
.kpi .val{font-size:26px;font-weight:700}
.kpi .sub{font-size:12px;color:var(--muted);margin-top:4px}
.val.green{color:var(--green)} .val.red{color:var(--danger)}
.card h3{font-size:15px;margin-bottom:16px;color:var(--text)}
canvas{max-width:100%}

/* --- P&L --- */
.pnl-row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--border)}
.pnl-row.head{font-weight:600;color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.03em}
.pnl-group{font-weight:600;color:var(--accent);margin-top:8px}
.pnl-cat{cursor:pointer;user-select:none;padding-left:6px}
.pnl-cat:hover{color:var(--accent)}
.pnl-cat .chev{display:inline-block;width:16px;color:var(--muted);transition:.15s}
.pnl-cat.open .chev{transform:rotate(90deg)}
.pnl-items{background:var(--surface2);border-radius:10px;margin:2px 0 8px;padding:4px 14px}
.pnl-item{display:flex;justify-content:space-between;padding:7px 0;font-size:13px;color:var(--muted);
  border-bottom:1px solid var(--border)}
.pnl-item:last-child{border:none}
.pnl-total{font-size:20px;font-weight:700;margin-top:14px;display:flex;justify-content:space-between}

/* --- Table --- */
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:11px 8px;border-bottom:1px solid var(--border);font-size:14px}
th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.03em}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.bar-cell{position:relative}
.bar-cell .bar{position:absolute;left:0;top:0;bottom:0;background:rgba(91,140,255,.15);border-radius:6px;z-index:0}
.bar-cell span{position:relative;z-index:1}

/* --- Expenses form --- */
.form-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.form-row>*{flex:1;min-width:130px}
label{display:block;font-size:12px;color:var(--muted);margin-bottom:5px}
select,input[type=number],input[type=text],input[type=date]{width:100%;padding:11px 13px;
  background:var(--surface2);border:1px solid var(--border);border-radius:10px;color:var(--text);
  font-size:15px;outline:none}
select:focus,input:focus{border-color:var(--accent)}
.btn-primary{padding:12px 20px;background:var(--accent);border:none;border-radius:10px;color:#fff;
  font-weight:600;font-size:15px}
.btn-del{background:none;border:none;color:var(--danger);font-size:18px;padding:2px 8px}
.exp-item{display:flex;align-items:center;justify-content:space-between;padding:11px 0;
  border-bottom:1px solid var(--border);font-size:14px}
.exp-item .meta{color:var(--muted);font-size:12px}
.chip{display:inline-block;padding:2px 9px;background:var(--surface2);border-radius:20px;font-size:12px;
  color:var(--muted);margin-right:8px}
.toast{position:fixed;bottom:24px;right:24px;background:var(--green);color:#04231b;padding:13px 20px;
  border-radius:12px;font-weight:600;z-index:60;box-shadow:0 8px 24px rgba(0,0,0,.4)}
.muted{color:var(--muted)} .loading{color:var(--muted);padding:30px;text-align:center}
.mobile-logout{display:none;background:var(--surface);border:1px solid var(--border);
  color:var(--muted);padding:7px 13px;border-radius:10px;font-size:13px}
@media(max-width:820px){
  #app{flex-direction:column}
  /* нижняя панель вкладок (как в моб. приложениях) */
  .sidebar{position:fixed;top:auto;bottom:0;left:0;right:0;width:auto;height:auto;
    flex-direction:row;padding:4px 2px calc(4px + env(safe-area-inset-bottom));
    border-right:none;border-top:1px solid var(--border);
    box-shadow:0 -2px 14px rgba(20,30,60,.07);z-index:40}
  .brand,.sidebar .logout{display:none}
  .nav{flex-direction:row;width:100%;gap:0}
  .nav button{flex:1;flex-direction:column;gap:3px;padding:7px 2px;border-radius:10px;color:var(--muted)}
  .nav button .ic{font-size:20px} .nav button .lbl{display:block;font-size:10px;line-height:1.1}
  .nav button.active{background:transparent;color:var(--accent);font-weight:600}
  .main{padding:14px 14px 86px;max-width:100%}
  .mobile-logout{display:inline-flex}
  .grid.k4{grid-template-columns:repeat(2,1fr)} .grid.k3,.grid.k2{grid-template-columns:1fr}
  .topbar h2{font-size:19px} .months button{padding:6px 10px;font-size:12px}
  .card{overflow-x:auto} th,td{padding:9px 6px;font-size:13px}
  .pnl-row{font-size:14px} .kpi .val{font-size:23px}
}

/* pw-toggle polish: SVG eye */
#pw::-ms-reveal,#pw::-ms-clear{display:none!important}
.pw-toggle{right:8px!important;top:50%!important;transform:translateY(-50%)!important;width:36px!important;height:36px!important;padding:0!important;font-size:0!important;border-radius:9px;background:url('/static/eye.svg') center no-repeat!important;opacity:.7}
.pw-toggle.showing{background-image:url('/static/eye-off.svg')!important}
.pw-toggle:hover{opacity:1!important;background-color:rgba(0,0,0,.05)}