*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:#0f172a}
.bg-grad{position:fixed;inset:0;background:radial-gradient(1200px 600px at -10% -10%,#e0f2fe,transparent 60%),radial-gradient(1000px 500px at 110% -20%,#ede9fe,transparent 60%),radial-gradient(800px 400px at 50% 120%,#dcfce7,transparent 60%);z-index:-2}
.safe-area{min-height:100dvh;display:flex;flex-direction:column}
.glass{background:rgba(255,255,255,.75);backdrop-filter:saturate(180%) blur(8px);border:1px solid rgba(148,163,184,.25)}
.app-header{display:flex;align-items:center;justify-content:space-between;padding:16px;border-radius:20px;margin:12px}
.title-wrap h1{margin:0;font-size:20px;font-weight:800}
.title-wrap p{margin:4px 0 0 0}
.nav{display:flex;gap:6px;flex-wrap:wrap}
.tab{appearance:none;border:0;background:linear-gradient(180deg,#f1f5f9,#e2e8f0);border-radius:999px;padding:8px 12px;cursor:pointer;box-shadow:inset 0 1px 0 rgba(255,255,255,.6),0 1px 2px rgba(15,23,42,.06)}
.tab.active{background:linear-gradient(180deg,#111827,#334155);color:#fff}
.app-main{max-width:1100px;margin:0 auto;padding:16px;flex:1}
.card{border-radius:20px;padding:16px;box-shadow:0 10px 30px rgba(15,23,42,.08)}
.center{max-width:520px;margin:40px auto}
.row{display:flex;align-items:center}
.row.between{justify-content:space-between}
.row.gap{gap:8px;flex-wrap:wrap}
label{display:block;margin-top:10px;margin-bottom:6px}
input,select,button{font-size:16px}
input,select{appearance:none;border:1px solid #cbd5e1;border-radius:12px;background:#fff;padding:10px 12px}
.btn-grad{appearance:none;border:0;border-radius:999px;padding:10px 16px;cursor:pointer;color:#fff;background:linear-gradient(135deg,#22c55e,#06b6d4);box-shadow:0 8px 20px rgba(34,197,94,.25)}
.btn-line{appearance:none;border:1px solid #cbd5e1;background:#fff;border-radius:999px;padding:8px 12px;cursor:pointer}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:8px}
.kpi{border-radius:16px;padding:12px;text-align:center;color:#0f172a;background:linear-gradient(180deg,#ffffff,#f8fafc);border:1px solid rgba(148,163,184,.25)}
.kpi-green{background:linear-gradient(180deg,#ecfdf5,#dcfce7)}
.kpi-orange{background:linear-gradient(180deg,#fff7ed,#ffedd5)}
.kpi-blue{background:linear-gradient(180deg,#eff6ff,#dbeafe)}
.kpi-purple{background:linear-gradient(180deg,#f5f3ff,#e9d5ff)}
.kpi .label{font-size:12px;color:#475569}
.kpi .value{font-size:20px;font-variant-numeric:tabular-nums lining-nums}
.kpi .value.strong{font-weight:800}
.list{display:grid;gap:8px}
.item{display:flex;justify-content:space-between;align-items:center;border:1px solid rgba(148,163,184,.25);border-radius:14px;padding:10px 12px;background:rgba(255,255,255,.8);backdrop-filter:blur(6px)}
.item .sub{font-size:12px;color:#475569}
.grid{display:grid;gap:12px}
.grid-3{display:grid;gap:12px}
@media(min-width:860px){.grid{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:1fr 1fr 1fr}}
.muted{color:#475569}
.chip{border-radius:999px;border:1px solid #cbd5e1;background:#fff;padding:8px 10px}
.chart-card .chart-wrap{position:relative;width:min(540px,86vw);aspect-ratio:1/1;margin:8px auto 12px auto;display:grid;place-items:center}
#donut{width:100%;height:100%}
.chart-center{position:absolute;text-align:center}
.available{font-size:clamp(26px,6vw,44px);font-variant-numeric:tabular-nums lining-nums}
.sub{opacity:.8}
/* Donut segments */
.seg-income{stroke:#22c55e}
.seg-fixed{stroke:#0ea5e9}
.seg-expense{stroke:#f97316}
.seg-overspend{stroke:#ef4444}

.app-footer{margin-top:auto;padding:16px;text-align:center;color:#64748b}

/* Sheets */
.sheet{border:none;border-radius:20px;padding:0;background:#fff;color:#111;width:min(560px,92vw)}
.sheet::backdrop{background:rgba(0,0,0,.5)}
.sheet-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid rgba(148,163,184,.25)}
.sheet-body{display:grid;gap:10px;padding:14px 16px}
.sheet-actions{display:flex;justify-content:flex-end;gap:8px;padding:12px 16px;border-top:1px solid rgba(148,163,184,.25)}
.icon-btn{appearance:none;border:0;background:transparent;font-size:18px;cursor:pointer}

/* Toast */
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:18px;background:#111827;color:#fff;padding:10px 14px;border-radius:999px;box-shadow:0 10px 30px rgba(0,0,0,.2);z-index:1000}