/* Ledgerly design tokens and base styles. Direction: a modern fintech dashboard.
   Neutral slate surfaces, one clean accent, cards with real shadows instead of hairline rules, monospace for numbers. */

@font-face { font-family: "IBM Plex Sans"; src: url(fonts/ibm-plex-sans-latin-400-normal.woff2) format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; src: url(fonts/ibm-plex-sans-latin-500-normal.woff2) format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; src: url(fonts/ibm-plex-sans-latin-600-normal.woff2) format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url(fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url(fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2"); font-weight: 500; font-display: swap; }

:root {
  color-scheme: light dark;

  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;

  /* light: neutral slate. Page is a soft gray so white cards read as elevated, not flat. */
  --paper: #f8fafc;
  --surface: #ffffff;
  --sunken: #eef1f5;
  --ink: #0f172a;
  --ink-2: #475569;
  --ink-3: #64748b;
  --rule: #e6e9ef;
  --rule-strong: #d3d8e0;
  --accent: #059669;
  --accent-ink: #ffffff;
  --accent-wash: #ecfdf5;
  --warn: #b45309;
  --warn-wash: #fffbeb;
  --bad: #dc2626;
  --bad-wash: #fef2f2;

  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 6px 16px -6px rgba(15, 23, 42, .10);
  --gutter: clamp(16px, 4vw, 40px);
  --measure: 66ch;
}

/* dark: same system, inked */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0a0a0c;
    --surface: #131316;
    --sunken: #1c1c20;
    --ink: #f4f4f6;
    --ink-2: #a3a7b3;
    --ink-3: #6b7080;
    --rule: #26262b;
    --rule-strong: #35353c;
    --accent: #22c55e;
    --accent-ink: #052e16;
    --accent-wash: #0c2419;
    --warn: #f59e0b;
    --warn-wash: #2b1d05;
    --bad: #f87171;
    --bad-wash: #2c1010;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 6px 20px -6px rgba(0, 0, 0, .5);
  }
}
:root[data-theme="dark"] {
  --paper: #0a0a0c; --surface: #131316; --sunken: #1c1c20; --ink: #f4f4f6; --ink-2: #a3a7b3; --ink-3: #6b7080;
  --rule: #26262b; --rule-strong: #35353c; --accent: #22c55e; --accent-ink: #052e16; --accent-wash: #0c2419;
  --warn: #f59e0b; --warn-wash: #2b1d05; --bad: #f87171; --bad-wash: #2c1010;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .3); --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 6px 20px -6px rgba(0, 0, 0, .5);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 15px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 { font-family: var(--sans); font-weight: 600; letter-spacing: -0.02em; line-height: 1.18; margin: 0; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent); }
code, kbd, .mono { font-family: var(--mono); font-size: 0.92em; }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; font-feature-settings: "zero" 1; letter-spacing: -0.01em; }
.muted { color: var(--ink-3); }
.eyebrow { font: 600 12px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
::selection { background: var(--accent); color: var(--accent-ink); }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 38px; padding: 0 16px;
  font: 500 14px/1 var(--sans);
  color: var(--ink); background: var(--surface);
  border: 1px solid var(--rule-strong); border-radius: var(--radius-sm);
  cursor: pointer; text-decoration: none; white-space: nowrap;
  box-shadow: var(--shadow-sm);
  transition: background-color .12s, border-color .12s, color .12s, box-shadow .12s, transform .06s;
}
.btn:hover { background: var(--sunken); color: var(--ink); border-color: var(--ink-3); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn-primary:hover { background: var(--accent); color: var(--accent-ink); filter: brightness(1.08); border-color: var(--accent); }
.btn-quiet { border-color: transparent; background: transparent; padding: 0 8px; color: var(--ink-2); box-shadow: none; }
.btn-quiet:hover { background: var(--sunken); }
.btn-danger { color: var(--bad); }
.btn-sm { height: 32px; padding: 0 12px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: default; box-shadow: none; }

/* form controls */
.field { display: grid; gap: 6px; min-width: 0; }
.field > span { font: 500 12px/1 var(--sans); color: var(--ink-2); letter-spacing: .02em; }
input, select, textarea {
  font: 400 14px/1.2 var(--sans); color: var(--ink);
  background: var(--surface); border: 1px solid var(--rule-strong); border-radius: var(--radius-sm);
  height: 38px; padding: 0 12px; width: 100%; min-width: 0;
  transition: border-color .12s, box-shadow .12s;
}
input.num { font-family: var(--mono); }
input::placeholder { color: var(--ink-3); opacity: .8; }
input:hover, select:hover { border-color: var(--ink-3); }
input:focus-visible, select:focus-visible, textarea:focus-visible { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-wash); }

/* tables: quiet rows inside a card, not ledger rules */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font: 600 11.5px/1.2 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); padding: 0 12px 10px 0; border-bottom: 1px solid var(--rule); white-space: nowrap; }
td { padding: 12px 12px 12px 0; border-bottom: 1px solid var(--rule); vertical-align: baseline; }
th.r, td.r { text-align: right; padding-right: 0; padding-left: 12px; }
tr:last-child td { border-bottom: 0; }

/* status marks: a small pill, not a bare coloured word */
.mark { display: inline-flex; align-items: center; gap: 6px; font: 600 11.5px/1 var(--sans); letter-spacing: .02em; white-space: nowrap; padding: 5px 10px; border-radius: 999px; }
.mark::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.mark-allow { color: var(--accent); background: var(--accent-wash); }
.mark-hold { color: var(--warn); background: var(--warn-wash); }
.mark-deny { color: var(--bad); background: var(--bad-wash); }
.mark-quiet { color: var(--ink-3); background: var(--sunken); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}

/* a right-aligned column followed by a left-aligned one needs breathing room */
th.r + th, td.r + td { padding-left: 20px; }

[hidden] { display: none !important; }