:root {
  --paper: #ffffff;
  --ink: #121316;
  --muted: #6b6f76;
  --line: #e3e4e7;
  --card: #f6f7f8;
  --accent: #2a4cff;
  --accent-ink: #ffffff;
  --accent-soft: #e8ecff;
  --danger: #b3261e;
  --good: #0e7a5f;
  --good-soft: #e3f0ea;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0a0b0d;
    --ink: #edeef0;
    --muted: #90949c;
    --line: #26282d;
    --card: #17181b;
    --accent: #6b87ff;
    --accent-ink: #0a0b0d;
    --accent-soft: #1b2140;
    --danger: #ff7a6e;
    --good: #4cc39a;
    --good-soft: #1e332b;
  }
}
:root[data-theme="dark"] {
  --paper: #0a0b0d;
  --ink: #edeef0;
  --muted: #90949c;
  --line: #26282d;
  --card: #17181b;
  --accent: #6b87ff;
  --accent-ink: #0a0b0d;
  --accent-soft: #1b2140;
  --danger: #ff7a6e;
  --good: #4cc39a;
  --good-soft: #1e332b;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Archivo", "Segoe UI", system-ui, sans-serif;
  line-height: 1.55;
}
h1, h2, h3, .display {
  font-family: "Archivo", system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-wrap: balance;
  margin: 0 0 12px;
}
.mono {
  font-family: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;
}
a { color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 11px 20px; border-radius: 3px;
  font-size: 14px; font-weight: 600; font-family: inherit;
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
}
.btn-accent { background: var(--accent); color: var(--accent-ink); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-danger { background: transparent; color: var(--danger); border-color: var(--line); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-sm { padding: 7px 12px; font-size: 12.5px; }

.field { text-align: left; margin: 0 0 18px; }
.field label { display: block; font-size: 12.5px; font-weight: 600; margin-bottom: 6px; color: var(--muted); }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 13px; border-radius: 3px; border: 1px solid var(--line);
  background: var(--paper); color: var(--ink); font-size: 15px; font-family: inherit;
}

.status-msg { font-size: 14px; margin-top: 16px; min-height: 20px; }
.status-msg.ok { color: var(--accent); }
.status-msg.err { color: var(--danger); }

/* Dashboard-style layout, reused from the hub */
.dash-wrap { max-width: 980px; margin: 0 auto; padding: 40px 20px 80px; }
.dash-header {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; margin-bottom: 8px;
}
.dash-header h1 { font-size: 24px; }
.lede { color: var(--muted); font-size: 15px; max-width: 60ch; margin: 0 0 28px; }

.stat-row {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px; margin: 24px 0 36px; background: var(--line); border: 1px solid var(--line);
}
.stat-tile { background: var(--card); padding: 16px; }
.stat-tile b {
  display: block; font-family: "IBM Plex Mono", monospace; font-size: 10.5px;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 6px; font-weight: 500;
}
.stat-tile span { font-size: 22px; font-variant-numeric: tabular-nums; font-weight: 700; }

.section-title { font-size: 17px; margin: 36px 0 14px; }
.card-box {
  background: var(--card); border: 1px solid var(--line);
  padding: 18px 20px;
}
.empty-note { color: var(--muted); font-size: 14px; padding: 10px 0; }

.top-bar {
  display: flex; justify-content: space-between; align-items: center;
  max-width: 980px; margin: 0 auto; padding: 20px; font-size: 14px;
}
.top-bar .who { color: var(--muted); font-family: "IBM Plex Mono", monospace; font-size: 12.5px; }
.top-bar nav { display: flex; gap: 16px; align-items: center; }

.badge {
  display: inline-block; font-family: "IBM Plex Mono", monospace;
  font-size: 10px; font-weight: 500; letter-spacing: 0.04em;
  text-transform: uppercase; padding: 3px 8px; border-radius: 2px;
  background: var(--accent-soft); color: var(--accent); width: fit-content;
}
.badge.good { background: var(--good-soft); color: var(--good); }
.badge.bad { background: var(--danger); color: #fff; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .badge.bad { background: #3a1b18; color: var(--danger); }
}
:root[data-theme="dark"] .badge.bad { background: #3a1b18; color: var(--danger); }

/* App-specific: tabs */
.tabs {
  display: flex; gap: 1px; background: var(--line); border: 1px solid var(--line);
  margin-bottom: 20px; overflow-x: auto;
}
.tab-btn {
  flex: 1; background: var(--card); border: none; color: var(--muted);
  font-family: inherit; font-size: 13.5px; font-weight: 600; padding: 12px 14px;
  cursor: pointer; white-space: nowrap;
}
.tab-btn.active { background: var(--paper); color: var(--ink); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* App-specific: forms laid out in a grid */
.form-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px 16px; margin-bottom: 8px;
}
.form-grid .field { margin-bottom: 0; }
.form-actions { display: flex; gap: 10px; align-items: center; margin-top: 4px; }

/* App-specific: chart canvas */
.chart-box { background: var(--card); border: 1px solid var(--line); padding: 16px; }
.chart-box canvas { width: 100%; height: 260px; display: block; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 10px; font-size: 12.5px; color: var(--muted); }
.chart-legend .dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 6px; vertical-align: middle; }

/* App-specific: tables */
table.data-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.data-table th {
  text-align: left; color: var(--muted); font-weight: 500; padding: 8px 8px;
  font-family: "IBM Plex Mono", monospace; font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.04em;
  border-bottom: 1px solid var(--line);
}
table.data-table td { padding: 8px 8px; border-top: 1px solid var(--line); font-variant-numeric: tabular-nums; vertical-align: middle; }
table.data-table td.num { text-align: right; }
table.data-table tr:hover td { background: var(--card); }

/* App-specific: budget category bars */
.cat-row { margin-bottom: 14px; }
.cat-row .cat-head { display: flex; justify-content: space-between; font-size: 13.5px; margin-bottom: 6px; }
.cat-row .cat-head .name { font-weight: 600; }
.cat-row .cat-head .amounts { font-family: "IBM Plex Mono", monospace; font-size: 12px; color: var(--muted); }
.bar-track { height: 8px; background: var(--line); border-radius: 2px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--accent); border-radius: 2px; }
.bar-fill.over { background: var(--danger); }
.bar-fill.income { background: var(--good); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 720px) { .grid-2 { grid-template-columns: 1fr; } }

.result-box {
  background: var(--accent-soft); color: var(--ink); border: 1px solid var(--line);
  padding: 16px 18px; margin-top: 14px;
}
.result-box .headline { font-size: 20px; font-weight: 700; margin-bottom: 4px; }
.result-box .sub { font-size: 13px; color: var(--muted); }