/* ============================================================================
   Hookline / base
   Reset, typography defaults, focus contract, print.
   ========================================================================= */

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg-canvas);
  color: var(--fg-primary);
  font: var(--t-body);
  letter-spacing: var(--tr-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-variant-numeric: tabular-nums;
}

h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd {
  margin: 0;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1 { font: var(--t-heading); letter-spacing: var(--tr-heading); }
h2 { font: var(--t-heading); letter-spacing: var(--tr-heading); }
h3 { font: var(--t-sm); font-weight: 600; }

img, svg, video { display: block; max-width: 100%; }

button, input, select, textarea {
  font: inherit;
  letter-spacing: inherit;
  color: inherit;
}

button { background: none; border: 0; padding: 0; cursor: pointer; }

a {
  color: var(--accent-fg);
  text-decoration: none;
  text-underline-offset: 2px;
}
a:hover { text-decoration: underline; }

hr {
  border: 0;
  border-top: 1px solid var(--bd-subtle);
  margin: 0;
}

table { border-collapse: collapse; border-spacing: 0; }

::placeholder { color: var(--fg-tertiary); opacity: 1; }

::selection {
  background: var(--accent-bg-hover);
  color: var(--fg-primary);
}

/* --- Focus contract: one ring, everywhere ------------------------------- */

:focus { outline: none; }

:focus-visible {
  outline: 2px solid var(--accent-fg);
  outline-offset: 2px;
  border-radius: var(--r-control);
}

/* --- Scrollbars ---------------------------------------------------------- */

* {
  scrollbar-width: thin;
  scrollbar-color: var(--bd-strong) transparent;
}
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: var(--bd-strong);
  border: 3px solid transparent;
  background-clip: content-box;
  border-radius: var(--r-pill);
}
*::-webkit-scrollbar-thumb:hover { background-color: var(--n-400); background-clip: content-box; }

/* --- Utilities used across both surfaces --------------------------------- */

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "ss01";
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.eyebrow {
  font: var(--t-micro);
  letter-spacing: var(--tr-micro);
  text-transform: uppercase;
  color: var(--fg-tertiary);
}

.muted   { color: var(--fg-secondary); }
.dim     { color: var(--fg-tertiary); }
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}
.nowrap { white-space: nowrap; }
.tabnum { font-variant-numeric: tabular-nums; }
.right  { text-align: right; }

.stack   { display: flex; flex-direction: column; }
.row     { display: flex; align-items: center; }
.gap-1 { gap: var(--s-1); } .gap-2 { gap: var(--s-2); }
.gap-3 { gap: var(--s-3); } .gap-4 { gap: var(--s-4); }
.gap-5 { gap: var(--s-5); } .gap-6 { gap: var(--s-6); }
.gap-7 { gap: var(--s-7); }
.grow  { flex: 1 1 auto; min-width: 0; }
.spacer { flex: 1 1 auto; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* A skip link is only useful if it appears when tabbed to. */
a.sr-only:focus-visible {
  position: fixed;
  top: var(--s-3);
  left: var(--s-3);
  z-index: var(--z-toast);
  width: auto; height: auto;
  padding: 0 var(--s-4);
  margin: 0;
  clip-path: none;
  overflow: visible;
}

[hidden] { display: none !important; }

/* --- Motion contract ----------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* --- Print: only the invoice document is meant to reach paper ------------ */

@media print {
  :root { color-scheme: light; }
  body { background: #fff; color: #000; }
  .no-print { display: none !important; }
}