:root {
  color-scheme: dark;
  --bg: #0a1020;
  --panel: #111a2e;
  --panel-2: #17223a;
  --text: #e8eefc;
  --muted: #96a3bc;
  --line: #26344f;
  --accent: #6ee7b7;
  --accent-2: #60a5fa;
  --danger: #fca5a5;
  --warn: #fbbf24;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: radial-gradient(circle at top left, #172554, var(--bg) 38rem); color: var(--text); }
a { color: inherit; text-decoration: none; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.5rem; border-bottom: 1px solid var(--line); background: rgba(10,16,32,.82); backdrop-filter: blur(16px); position: sticky; top: 0; z-index: 10; }
.brand { font-weight: 800; font-size: 1.25rem; letter-spacing: -.03em; }
.topbar nav, .user { display: flex; gap: 1rem; align-items: center; color: var(--muted); }
.topbar a:hover { color: var(--accent); }
.container { max-width: 1180px; margin: 0 auto; padding: 2rem 1.25rem 4rem; }
.hero { display: flex; justify-content: space-between; gap: 1.5rem; align-items: end; margin-bottom: 1.5rem; }
h1 { font-size: clamp(2.25rem, 5vw, 4rem); line-height: .95; margin: .5rem 0; letter-spacing: -.06em; }
h2 { margin: 0 0 1rem; font-size: 1.05rem; color: #f8fafc; }
p { color: var(--muted); margin: .25rem 0 0; }
.badge { display: inline-flex; border: 1px solid var(--line); color: var(--accent); background: rgba(110,231,183,.08); padding: .35rem .6rem; border-radius: 999px; font-size: .8rem; }
.filters { display: flex; gap: .75rem; align-items: end; flex-wrap: wrap; }
.filters label { display: grid; gap: .35rem; color: var(--muted); font-size: .8rem; }
select, button, .primary-button { border: 1px solid var(--line); background: var(--panel); color: var(--text); padding: .65rem .8rem; border-radius: .7rem; }
button, .primary-button { cursor: pointer; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #04111f; font-weight: 700; border: none; display: inline-block; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(245px, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.card, .panel, .login-card { background: linear-gradient(180deg, rgba(23,34,58,.92), rgba(17,26,46,.94)); border: 1px solid var(--line); border-radius: 1.25rem; padding: 1.1rem; box-shadow: 0 20px 60px rgba(0,0,0,.18); }
.metrics { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; margin: 0; }
dt { color: var(--muted); font-size: .78rem; }
dd { margin: .2rem 0 0; font-size: 1.3rem; font-weight: 800; }
.positive { color: var(--accent); }
.negative { color: var(--danger); }
.grid { display: grid; gap: 1rem; margin-top: 1rem; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); }
.feature-grid { align-items: stretch; }
.feature-panel { overflow: hidden; }
.panel-heading { display: flex; justify-content: space-between; gap: 1rem; align-items: start; margin-bottom: .7rem; }
.mini-metrics { display: grid; gap: .25rem; text-align: right; color: var(--muted); font-size: .82rem; white-space: nowrap; }
.line-chart { width: 100%; height: 250px; margin-top: .75rem; background: linear-gradient(180deg, rgba(96,165,250,.08), rgba(11,18,32,.3)); border: 1px solid var(--line); border-radius: 1rem; padding: .5rem; }
.axis, .gridline { stroke: rgba(148,163,184,.24); stroke-width: .35; vector-effect: non-scaling-stroke; }
.line { fill: none; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; filter: drop-shadow(0 0 6px rgba(96,165,250,.25)); }
.line.spending { stroke: var(--danger); }
.line.income { stroke: var(--accent); }
.legend { display: flex; gap: 1rem; margin-top: .75rem; color: var(--muted); font-size: .85rem; }
.swatch, .stack-row i { width: .75rem; height: .75rem; display: inline-block; border-radius: .22rem; margin-right: .4rem; vertical-align: middle; }
.swatch.spend { background: var(--danger); }
.swatch.inc { background: var(--accent); }
.stacked-bar { position: relative; height: 2.25rem; border-radius: 999px; overflow: hidden; background: #0b1220; border: 1px solid var(--line); margin: 1.25rem 0 1rem; }
.stacked-bar div { position: absolute; top: 0; bottom: 0; min-width: 2px; }
.stack-list { display: grid; gap: .55rem; }
.stack-row { display: flex; justify-content: space-between; gap: 1rem; align-items: center; border-bottom: 1px solid rgba(38,52,79,.55); padding-bottom: .5rem; }
.stack-row span { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.month-row { display: block; padding: .15rem .45rem; margin: .2rem -.45rem; border-radius: .8rem; border: 1px solid transparent; }
.month-row:hover, .month-row.selected { border-color: rgba(110,231,183,.45); background: rgba(110,231,183,.07); }
.month-row.selected .bar-fill { background: linear-gradient(90deg, var(--warn), var(--accent)); }
.bar-row { margin: .85rem 0; }
.bar-label { display: flex; justify-content: space-between; gap: 1rem; font-size: .92rem; }
.bar-label span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-track { height: .55rem; background: #0b1220; border-radius: 999px; overflow: hidden; border: 1px solid var(--line); margin-top: .35rem; }
.bar-fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: inherit; }
.bar-meta, em { color: var(--muted); font-size: .78rem; font-style: normal; display: block; margin-top: .15rem; }
.list { display: grid; gap: .65rem; }
.list.compact { max-height: 520px; overflow: auto; padding-right: .3rem; }
.list-row { display: flex; justify-content: space-between; gap: 1rem; border-bottom: 1px solid rgba(38,52,79,.65); padding-bottom: .6rem; }
.list-row span { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.table { display: grid; gap: .15rem; overflow: auto; }
.table-head, .table-row { display: grid; grid-template-columns: 90px minmax(240px,2fr) 160px 160px 140px 100px; gap: .75rem; align-items: center; min-width: 920px; }
.table-head { color: var(--muted); font-size: .78rem; padding: .5rem 0; }
.table-row { border-top: 1px solid var(--line); padding: .75rem 0; }
.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 1.5rem; }
.login-card { width: min(460px, 100%); text-align: center; }
.error { color: var(--danger); }
.muted { color: var(--muted); font-size: .9rem; }
@media (max-width: 760px) { .hero, .topbar, .panel-heading { align-items: flex-start; flex-direction: column; } .grid.two { grid-template-columns: 1fr; } .mini-metrics { text-align: left; } .line-chart { height: 220px; } }