/* Atlas v2 — one clean, consistent design system.
   Dark-first, with a light fallback. Everything is built from these tokens so the
   whole app reads as one surface, not a patchwork. */
:root {
  --bg: #0b0f17;
  --bg-1: #111826;
  --bg-2: #172033;
  --bg-3: #1e2a41;
  --line: #263349;
  --line-soft: #1c2740;
  --text: #e8edf6;
  --muted: #93a1b8;
  --muted-2: #6b7a94;
  --accent: #4f8cff;
  --accent-soft: #21365f;
  --good: #35c88f;
  --warn: #ffb020;
  --bad: #ff5c6c;
  --purple: #9c7bff;
  --teal: #2fb0a0;
  --radius: 14px;
  --radius-sm: 10px;
  --gap: 14px;
  --shadow: 0 6px 24px rgba(0,0,0,.28);
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f6fb; --bg-1: #ffffff; --bg-2: #f0f3f9; --bg-3: #e7ecf5;
    --line: #d9e0ec; --line-soft: #e6ebf3; --text: #10192b; --muted: #56637a; --muted-2: #7d8aa0;
    --accent-soft: #dbe6ff; --shadow: 0 6px 20px rgba(20,30,50,.08);
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { background: var(--bg); color: var(--text); font-family: var(--sans); font-size: 15px; line-height: 1.45; -webkit-font-smoothing: antialiased; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3 { margin: 0; font-weight: 650; }

/* privacy blur */
body.privacy .money, body.privacy .blurable { filter: blur(7px); transition: filter .1s; }
body.privacy .money:hover, body.privacy .blurable:hover { filter: none; }

/* ---------- boot / login ---------- */
.boot { position: fixed; inset: 0; display: grid; place-items: center; color: var(--muted); }
.login { position: fixed; inset: 0; display: grid; place-items: center; padding: 20px; background: radial-gradient(1200px 600px at 50% -10%, var(--bg-2), var(--bg)); }
.login-card { background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; width: min(400px, 94vw); box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 12px; }
.login-card h1 { font-size: 20px; }
.login-card input { background: var(--bg-2); border: 1px solid var(--line); color: var(--text); border-radius: var(--radius-sm); padding: 12px 14px; font-size: 16px; }
.login-card input:focus { outline: 2px solid var(--accent); border-color: transparent; }
.login-card button { background: var(--accent); color: #fff; border: 0; border-radius: var(--radius-sm); padding: 12px 14px; font-size: 15px; font-weight: 600; }
.enroll-qr { word-break: break-all; background: var(--bg-2); border-radius: var(--radius-sm); padding: 12px; font-size: 12px; }
.enroll-recovery { background: var(--bg-2); border-radius: var(--radius-sm); padding: 12px; font-size: 12px; }
.enroll-recovery code { display: inline-block; margin: 2px; padding: 2px 6px; background: var(--bg-3); border-radius: 6px; }
.err { color: var(--bad); font-size: 13px; }

/* ---------- app shell ---------- */
.app { max-width: 1000px; margin: 0 auto; padding: 0 16px 60px; }
.topbar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 4px; background: linear-gradient(var(--bg), color-mix(in srgb, var(--bg) 88%, transparent)); backdrop-filter: blur(6px); }
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.logo { font-size: 26px; }
.brand-title { font-weight: 700; font-size: 18px; letter-spacing: .2px; }
.brand-sub { font-size: 12px; }
.topbar-actions { display: flex; gap: 6px; }
.ghost { background: var(--bg-2); border: 1px solid var(--line); color: var(--text); border-radius: 999px; padding: 8px 12px; font-size: 13px; }
.ghost:hover { background: var(--bg-3); }

.tabs { position: sticky; top: 60px; z-index: 15; display: flex; gap: 4px; overflow-x: auto; padding: 8px 0 10px; background: var(--bg); scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab { flex: 0 0 auto; background: transparent; border: 1px solid transparent; color: var(--muted); border-radius: 999px; padding: 8px 16px; font-size: 14px; font-weight: 550; }
.tab:hover { color: var(--text); background: var(--bg-1); }
.tab.active { color: #fff; background: var(--accent); }
@media (prefers-color-scheme: light) { .tab.active { color: #fff; } }

.panel { display: none; flex-direction: column; gap: var(--gap); padding-top: 4px; }
.panel.active { display: flex; }

/* ---------- cards ---------- */
.card { background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.card > h2 { font-size: 15px; display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 4px; }
.card > h2 .sub { font-weight: 400; color: var(--muted); font-size: 12.5px; }
.card-note { color: var(--muted); font-size: 12.5px; margin: 2px 0 8px; }
.section-label { color: var(--muted-2); font-size: 11px; letter-spacing: .8px; text-transform: uppercase; font-weight: 650; margin: 6px 2px 2px; }

/* hero number (Today) */
.hero { background: linear-gradient(160deg, var(--accent-soft), var(--bg-1)); }
.hero .big { font-size: 40px; font-weight: 750; font-variant-numeric: tabular-nums; letter-spacing: -.5px; margin: 2px 0; }
.hero .big.bad { color: var(--bad); }

/* stat tiles */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; }
.tile { background: var(--bg-2); border: 1px solid var(--line-soft); border-radius: var(--radius-sm); padding: 12px 14px; }
.tile .k { color: var(--muted); font-size: 12px; margin-bottom: 3px; }
.tile .v { font-size: 20px; font-weight: 650; font-variant-numeric: tabular-nums; }
.tile .v.bad { color: var(--bad); } .tile .v.good { color: var(--good); }

/* rows */
.row { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 10px; padding: 10px 2px; border-top: 1px solid var(--line-soft); }
.row:first-of-type { border-top: 0; }
.row .r-main { min-width: 0; }
.row .r-title { font-weight: 550; }
.row .r-sub { color: var(--muted); font-size: 12px; }
.row .r-right { text-align: right; display: flex; align-items: center; gap: 8px; justify-content: flex-end; }
.money { font-variant-numeric: tabular-nums; font-weight: 600; }
.money.bad { color: var(--bad); } .money.good { color: var(--good); }

/* pills / tags */
.pill { display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 999px; background: var(--bg-3); color: var(--muted); border: 1px solid var(--line-soft); }
.pill.accent { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.pill.good { background: color-mix(in srgb, var(--good) 22%, transparent); color: var(--good); }
.pill.warn { background: color-mix(in srgb, var(--warn) 22%, transparent); color: var(--warn); }
.pill.bad { background: color-mix(in srgb, var(--bad) 22%, transparent); color: var(--bad); }

/* buttons */
.btn { border: 0; border-radius: var(--radius-sm); padding: 9px 14px; font-size: 14px; font-weight: 600; }
.btn.primary { background: var(--accent); color: #fff; }
.btn.secondary { background: var(--bg-2); border: 1px solid var(--line); color: var(--text); }
.btn.sm { padding: 6px 10px; font-size: 12.5px; border-radius: 8px; }
.btn.danger { background: transparent; border: 1px solid color-mix(in srgb, var(--bad) 55%, transparent); color: var(--bad); }
.btn.danger:hover { background: color-mix(in srgb, var(--bad) 14%, transparent); }
.btn.link { background: transparent; border: 0; color: var(--accent); padding: 4px 6px; font-size: 13px; font-weight: 600; }
.btn.link:hover { text-decoration: underline; }
.btn.ghost-add { background: transparent; border: 1px dashed var(--line); color: var(--muted); width: 100%; padding: 10px; border-radius: var(--radius-sm); font-weight: 550; }
.btn.ghost-add:hover { color: var(--text); border-color: var(--accent); }
.btn:disabled { opacity: .55; cursor: default; }
.rowbtns { display: flex; gap: 2px; }

/* reserved/available bar */
.bar { height: 8px; border-radius: 999px; background: var(--bg-3); overflow: hidden; margin: 8px 0 4px; }
.bar > span { display: block; height: 100%; background: var(--good); }
.bar > span.bad { background: var(--bad); }
.bar > span.warn { background: var(--warn); }
.split { display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; }

/* expandable account */
.acct-items { margin-top: 8px; border-top: 1px solid var(--line-soft); }
.acct-items .row { padding: 7px 2px; }

/* breakdown list (Today safe-to-spend math) */
.calc { display: flex; flex-direction: column; gap: 2px; }
.calc-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; padding: 6px 2px; }
.calc-row.total { border-top: 1px solid var(--line); margin-top: 4px; padding-top: 10px; font-weight: 700; }
.calc-row .op { color: var(--muted-2); margin-right: 6px; }
.calc-row.sub { color: var(--muted); font-size: 13px; }

/* paycheck allocation */
.pay { border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.pay + .pay { margin-top: 10px; }
.pay-head { display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: center; padding: 12px 14px; background: var(--bg-2); cursor: pointer; }
.pay-head .when { font-weight: 650; }
.pay-body { padding: 6px 14px 12px; }
.grp-head { display: grid; grid-template-columns: 1fr auto; gap: 10px; padding: 8px 2px 4px; font-weight: 600; }
.grp-item { display: grid; grid-template-columns: 1fr auto; gap: 10px; padding: 3px 2px 3px 20px; color: var(--muted); font-size: 13px; }
.swatch { width: 9px; height: 9px; border-radius: 3px; display: inline-block; margin-right: 8px; vertical-align: middle; }

/* charts */
.chart { width: 100%; height: auto; display: block; }
.chart-wrap { overflow-x: auto; }
.axis { stroke: var(--line); stroke-width: 1; }
.axis-label { fill: var(--muted-2); font-size: 10px; }
.legend { display: flex; flex-wrap: wrap; gap: 12px; color: var(--muted); font-size: 12px; margin-top: 8px; }
.legend span.k { display: inline-flex; align-items: center; }

/* ---------- modal / forms ---------- */
.modal { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 16px; background: rgba(3,7,15,.6); backdrop-filter: blur(3px); }
.modal-card { background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--radius); width: min(520px, 96vw); max-height: 90vh; overflow: auto; box-shadow: var(--shadow); }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; border-bottom: 1px solid var(--line-soft); position: sticky; top: 0; background: var(--bg-1); }
.modal-head h2 { font-size: 16px; }
.modal-x { background: var(--bg-2); border: 1px solid var(--line); color: var(--text); border-radius: 8px; width: 30px; height: 30px; }
.modal-body { padding: 16px 18px; display: flex; flex-direction: column; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field label { font-size: 13px; color: var(--muted); }
.field input, .field select { background: var(--bg-2); border: 1px solid var(--line); color: var(--text); border-radius: 9px; padding: 10px 12px; font-size: 15px; }
.field input:focus, .field select:focus { outline: 2px solid var(--accent); border-color: transparent; }
.field .hint { color: var(--muted-2); font-size: 11.5px; }
.field.check { flex-direction: row; align-items: center; gap: 8px; }
.field.check input { width: 18px; height: 18px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 14px 18px; border-top: 1px solid var(--line-soft); position: sticky; bottom: 0; background: var(--bg-1); }
.impact { background: var(--bg-2); border: 1px solid var(--line-soft); border-radius: var(--radius-sm); padding: 12px; font-size: 13px; display: flex; flex-direction: column; gap: 6px; }
.impact .k { color: var(--muted); }
.impact .delta.up { color: var(--good); } .impact .delta.down { color: var(--bad); }

.banner { background: var(--bg-2); border: 1px solid var(--line-soft); border-radius: var(--radius-sm); padding: 11px 13px; color: var(--muted); font-size: 13px; }
.banner.intro { border-left: 3px solid var(--accent); color: var(--text); line-height: 1.5; }
.banner.err { background: color-mix(in srgb, var(--bad) 12%, var(--bg-1)); border-color: color-mix(in srgb, var(--bad) 40%, transparent); color: var(--text); }
.empty { color: var(--muted); padding: 8px 2px; font-size: 13.5px; }
.footnote { text-align: center; font-size: 11.5px; padding: 24px 0 0; }

@media (max-width: 560px) {
  .app { padding: 0 12px 50px; }
  .hero .big { font-size: 34px; }
}