*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:#0b1220;color:#e5e7eb}
.safe-area{min-height:100dvh;display:flex;flex-direction:column}
.app-header{display:flex;align-items:center;justify-content:space-between;padding:16px 16px;background:linear-gradient(180deg,#0ea5e9,#2563eb);color:#fff}
.title-wrap h1{margin:0;font-size:24px;font-weight:800;letter-spacing:.2px}
.title-wrap p{margin:4px 0 0 0;opacity:.9}
.icon-btn{appearance:none;border:0;background:transparent;font-size:20px;cursor:pointer}
.app-main{max-width:900px;margin: -16px auto 64px auto;padding:16px;display:grid;gap:16px}
.card{background:#0f172a;border:1px solid #1f2937;border-radius:20px;padding:16px;box-shadow:0 6px 24px rgba(0,0,0,.25)}
.chart-card{display:grid;gap:12px;justify-items:center;text-align:center}
.chart-wrap{position:relative;width:min(460px,86vw);aspect-ratio:1/1;display:grid;place-items:center}
#donut{width:100%;height:100%}
.chart-center{position:absolute;display:grid;place-items:center;text-align:center}
.available{font-size:clamp(24px,6vw,40px);font-variant-numeric:tabular-nums lining-nums}
.sub{opacity:.7}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;width:100%}
.stat{background:#0b1220;border:1px solid #1f2937;border-radius:14px;padding:10px;text-align:center}
.stat .label{opacity:.8;font-size:12px}
.stat .value{font-size:18px;font-variant-numeric:tabular-nums lining-nums}
.badge{font-size:12px;background:#0ea5e933;color:#93c5fd;border:1px solid #1f4fbf44;padding:8px 10px;border-radius:999px}
.actions{display:flex;gap:8px;justify-content:center}
.primary,.secondary{appearance:none;border:none;border-radius:999px;padding:12px 18px;font-weight:700;cursor:pointer}
.primary{background:#22c55e;color:#06210d}
.primary:hover{filter:brightness(1.07)}
.secondary{background:#111827;color:#e5e7eb;border:1px solid #1f2937}
.history .filters{display:flex;gap:8px;margin-bottom:10px}
.history #list{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.item{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border:1px solid #1f2937;border-radius:12px;background:#0b1220}
.item .left{display:flex;gap:10px;align-items:center}
.item .badge{background:#111827;color:#cbd5e1;border:none}
.sumline{margin-top:10px;text-align:right;opacity:.9}
.app-footer{margin-top:auto;padding:16px;text-align:center;color:#94a3b8}
.muted{opacity:.75}

/* Bottom sheet / dialog */
dialog{border:none;border-radius:20px;padding:0;background:#0f172a;color:#e5e7eb;width:min(560px,92vw)}
dialog::backdrop{background:rgba(0,0,0,.5)}
.sheet-header{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid #1f2937}
.field{padding:14px 16px;display:grid;gap:8px}
.field input[type="number"], .field input[type="date"], .field input[type="text"], .field input, .field input[type="search"]{appearance:none;border:1px solid #334155;border-radius:12px;background:#0b1220;color:#e5e7eb;padding:12px;font-size:16px}
.quick{display:flex;gap:8px}
.quick button{border:1px solid #334155;background:#0b1220;color:#e5e7eb;border-radius:999px;padding:8px 12px;cursor:pointer}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chips button{border:1px solid #334155;background:#0b1220;color:#e5e7eb;border-radius:999px;padding:8px 12px;cursor:pointer}
.chips button.active{background:#22c55e;color:#06210d;border-color:#22c55e}
.sheet-actions{display:flex;justify-content:flex-end;gap:8px;padding:16px;border-top:1px solid #1f2937}

/* Donut segments default colors (no JS color setting needed) */
.seg-available{stroke:#22c55e}
.seg-spent{stroke:#1f2937}
.seg-overspend{stroke:#ef4444}

/* Standalone display tweaks */
@media (display-mode:standalone){ .app-header{padding-top:36px} }

/* Responsive refinements */
@media (max-width:420px){
  .stats{grid-template-columns:1fr}
}