/* Northwind Ledger — sample demo app styles. Self-contained, no CDN, no
   remote font. System font stacks only. Not a Foxet surface: deliberately
   its own palette (deep indigo, not Ember) so it never reads as Foxet. */

:root {
  --accent: #4338CA;
  --accent-hover: #362D9C;
  --accent-tint: #EEF0FD;
  --ink: #16181D;
  --paper: #FAFAFB;
  --surface: #FFFFFF;
  --border: #E3E4EA;
  --muted: #6B6F7A;
  --faint: #9A9DA8;
  --success: #15803D;
  --success-tint: #EAF7EF;
  --warning: #B45309;
  --warning-tint: #FEF3E2;
  --danger: #B91C1C;
  --danger-tint: #FDECEC;
  --shadow: 0 1px 3px rgba(20, 20, 30, 0.06);
  --shadow-lg: 0 10px 30px rgba(20, 20, 30, 0.10);
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --accent: #818CF8;
    --accent-hover: #A5B4FC;
    --accent-tint: #23264A;
    --ink: #F3F4F8;
    --paper: #12131A;
    --surface: #191B24;
    --border: #2B2D3A;
    --muted: #A2A5B4;
    --faint: #6E7180;
    --success: #4ADE80;
    --success-tint: #123322;
    --warning: #FBBF24;
    --warning-tint: #3A2A0E;
    --danger: #F87171;
    --danger-tint: #3A1515;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.45);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, 'Segoe UI', system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

h1, h2, .brand-name {
  font-family: 'Iowan Old Style', 'Palatino Linotype', Georgia, serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }

.page { max-width: 980px; margin: 0 auto; padding: 32px 24px 64px; }
.page-centered { max-width: none; display: flex; min-height: 100vh; align-items: center; justify-content: center; padding: 24px; }
.page-title { font-size: 26px; font-weight: 600; margin: 0 0 20px; }

/* Topbar */
.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  display: inline-grid; place-items: center;
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--accent); color: #fff; font-weight: 700; font-size: 13px;
}
.brand-name { font-size: 18px; font-weight: 600; }
.nav { display: flex; gap: 18px; flex: 1; }
.nav-link { color: var(--muted); font-weight: 500; padding: 6px 2px; border-bottom: 2px solid transparent; }
.nav-link:hover { color: var(--ink); text-decoration: none; }
.nav-link.is-active { color: var(--ink); border-bottom-color: var(--accent); }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.sample-chip {
  font-size: 11px; font-weight: 600; letter-spacing: 0.02em;
  padding: 4px 9px; border-radius: 999px;
  background: var(--accent-tint); color: var(--accent);
}
.who { color: var(--muted); font-size: 13px; }
.logout { color: var(--muted); font-size: 13px; }

/* Auth */
.auth-card {
  width: 100%; max-width: 380px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); padding: 36px 32px;
}
.auth-mark {
  width: 40px; height: 40px; border-radius: 10px; background: var(--accent);
  color: #fff; display: grid; place-items: center; font-weight: 700; margin-bottom: 16px;
}
.auth-title { font-size: 22px; margin: 0 0 4px; }
.auth-sub { color: var(--muted); margin: 0 0 20px; font-size: 14px; }
.auth-error {
  background: var(--danger-tint); color: var(--danger); border-radius: 8px;
  padding: 10px 12px; font-size: 13px; margin: 0 0 16px;
}
.auth-form { display: flex; flex-direction: column; gap: 6px; }
.auth-form label { font-size: 13px; font-weight: 500; margin-top: 10px; }
.auth-form input {
  padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--paper); color: var(--ink); font-size: 14px;
}
.auth-form input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.auth-form button {
  margin-top: 18px; padding: 11px; border: none; border-radius: 8px;
  background: var(--accent); color: #fff; font-size: 14px; font-weight: 600; cursor: pointer;
}
.auth-form button:hover { background: var(--accent-hover); }
.auth-foot { margin: 18px 0 0; font-size: 12px; color: var(--faint); text-align: center; }

/* KPI + panels */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 24px; }
.kpi-tile { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.kpi-label { margin: 0 0 6px; font-size: 12px; color: var(--muted); }
.kpi-value { margin: 0; font-size: 22px; font-weight: 600; font-variant-numeric: tabular-nums; }
.kpi-trend { margin: 6px 0 0; font-size: 12px; font-weight: 600; }
.kpi-trend--up { color: var(--success); }
.kpi-trend--down { color: var(--muted); }

.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 20px; box-shadow: var(--shadow); }
.panel-title { font-size: 15px; font-weight: 600; margin: 0 0 14px; }
.chart { width: 100%; height: auto; display: block; }

.activity-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; font-size: 13px; }
.activity-who { font-weight: 600; }
.activity-when { color: var(--faint); float: right; }

/* Table */
.panel--table { padding: 0; overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 560px; }
.data-table th, .data-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
.data-table th a { color: var(--muted); font-weight: 600; }
.data-table td.num, .data-table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.data-table tbody tr:hover { background: var(--accent-tint); }

.status { font-size: 12px; font-weight: 600; padding: 3px 9px; border-radius: 999px; }
.status--paid { background: var(--success-tint); color: var(--success); }
.status--pending { background: var(--warning-tint); color: var(--warning); }
.status--overdue { background: var(--danger-tint); color: var(--danger); }

.detail-grid { display: grid; grid-template-columns: 140px 1fr; gap: 10px 16px; margin: 0; }
.detail-grid dt { color: var(--muted); font-size: 13px; }
.detail-grid dd { margin: 0; font-size: 14px; }
.detail-grid .num { font-variant-numeric: tabular-nums; }
.breadcrumb { margin: 0 0 12px; font-size: 13px; }
.settings-note { color: var(--muted); font-size: 13px; margin: 16px 0 0; }

@media (max-width: 680px) {
  .topbar { flex-wrap: wrap; row-gap: 10px; }
  .nav { order: 3; width: 100%; }
}