/*! Tradik Design System — drop-in CSS bundle.
 *  Tokens (CSS custom properties) + base layer (reset, typography, components).
 *  Source: github.com/tradik/designstyles  License: see repository.
 */
:root {
  --color-palette-ink-50: #F8FAFC;
  --color-palette-ink-100: #F1F5F9;
  --color-palette-ink-200: #E2E8F0;
  --color-palette-ink-300: #CBD5E1;
  --color-palette-ink-400: #94A3B8;
  --color-palette-ink-500: #64748B;
  --color-palette-ink-600: #475569;
  --color-palette-ink-700: #334155;
  --color-palette-ink-800: #1E293B;
  --color-palette-ink-900: #0F172A;
  --color-palette-accent-50: #EAF2FB;
  --color-palette-accent-100: #CCDFF5;
  --color-palette-accent-200: #99BFEB;
  --color-palette-accent-300: #5C99DA;
  --color-palette-accent-400: #2E78C5;
  --color-palette-accent-500: #0050A6;
  --color-palette-accent-600: #00428A;
  --color-palette-accent-700: #00366F;
  --color-palette-accent-800: #002954;
  --color-palette-accent-900: #001D3B;
  --color-palette-signal-success: #1A7F4F;
  --color-palette-signal-warning: #A8650B;
  --color-palette-signal-danger: #B42318;
  --color-palette-signal-info: #175CD3;
  --color-palette-surface-pure: #FFFFFF;
  --color-palette-surface-paper: #FBFBFC;
  --color-palette-surface-sunken: #F2F3F6;
  --color-bg-canvas: #FFFFFF;
  --color-bg-subtle: #FBFBFC;
  --color-bg-sunken: #F2F3F6;
  --color-bg-inverse: #0F172A;
  --color-fg-primary: #0F172A;
  --color-fg-secondary: #334155;
  --color-fg-muted: #64748B;
  --color-fg-onInverse: #FFFFFF;
  --color-fg-accent: #0050A6;
  --color-fg-link: #0050A6;
  --color-fg-danger: #B42318;
  --color-border-subtle: #F1F5F9;
  --color-border-default: #E2E8F0;
  --color-border-strong: #94A3B8;
  --color-border-focus: #0050A6;
  --color-accent-bg: #0050A6;
  --color-accent-bgHover: #00428A;
  --color-accent-bgActive: #00366F;
  --color-accent-fg: #FFFFFF;
  --font-family-sans: "Geist", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-family-display: "Instrument Serif", Georgia, "Times New Roman", serif;
  --font-family-mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-tight: 1.15;
  --line-height-snug: 1.3;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.65;
  --letter-spacing-tight: -0.02em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.04em;
  --letter-spacing-caps: 0.08em;
  --font-size-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --font-size-sm: clamp(0.875rem, 0.85rem + 0.15vw, 0.9375rem);
  --font-size-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --font-size-lg: clamp(1.125rem, 1.08rem + 0.25vw, 1.25rem);
  --font-size-xl: clamp(1.25rem, 1.18rem + 0.4vw, 1.5rem);
  --font-size-2xl: clamp(1.5rem, 1.38rem + 0.6vw, 1.875rem);
  --font-size-3xl: clamp(1.875rem, 1.65rem + 1.1vw, 2.5rem);
  --font-size-4xl: clamp(2.25rem, 1.85rem + 1.9vw, 3.5rem);
  --font-size-5xl: clamp(2.75rem, 2.1rem + 3vw, 4.75rem);
  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  --radius-none: 0;
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-pill: 9999px;
  --shadow-none: none;
  --shadow-sm: 0 1px 2px 0 rgba(11, 14, 20, 0.06);
  --shadow-md: 0 4px 8px -2px rgba(11, 14, 20, 0.08), 0 2px 4px -2px rgba(11, 14, 20, 0.04);
  --shadow-lg: 0 12px 24px -8px rgba(11, 14, 20, 0.12), 0 4px 8px -4px rgba(11, 14, 20, 0.06);
  --shadow-focus: 0 0 0 3px rgba(14, 165, 164, 0.45);
  --motion-duration-fast: 120ms;
  --motion-duration-base: 200ms;
  --motion-duration-slow: 320ms;
  --motion-easing-standard: cubic-bezier(0.2, 0, 0, 1);
  --motion-easing-emphasized: cubic-bezier(0.3, 0, 0, 1);
  --breakpoint-sm: 480px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
}

/* =========================================================================
   Tradik base layer.
   Hand-written CSS that depends ONLY on the design tokens emitted by
   packages/tokens/src/. Concatenated with tokens.css to produce tradik.css —
   a single drop-in stylesheet for any Tradik application.
   ========================================================================= */

/* ---------- Reset (modern, opinionated) ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
html, body { height: 100%; }
body {
  font-family: var(--font-family-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-fg-primary);
  background: var(--color-bg-canvas);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, picture, svg, video { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }

a { color: var(--color-fg-link); text-decoration: underline; text-underline-offset: 0.2em; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible {
  outline: 2px solid var(--color-border-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Layout primitives ---------- */
.tradik-container {
  width: 100%;
  max-width: 72rem;
  margin-inline: auto;
  padding-inline: var(--space-4);
}
@media (min-width: 768px) { .tradik-container { padding-inline: var(--space-8); } }

.tradik-stack > * + * { margin-block-start: var(--space-4); }
.tradik-stack-sm > * + * { margin-block-start: var(--space-2); }
.tradik-stack-lg > * + * { margin-block-start: var(--space-8); }

.tradik-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

/* Visually-hidden utility (a11y). */
.tradik-visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* Skip link target. */
.tradik-skip-link {
  position: absolute;
  top: -40px;
  left: var(--space-4);
  background: var(--color-bg-inverse);
  color: var(--color-fg-onInverse);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  text-decoration: none;
  z-index: 100;
}
.tradik-skip-link:focus { top: var(--space-2); }

/* ---------- Typography ---------- */
.tradik-prose { max-width: 44rem; }
.tradik-prose h1, .tradik-prose h2, .tradik-prose h3 {
  font-family: var(--font-family-display);
  letter-spacing: var(--letter-spacing-tight);
  line-height: var(--line-height-tight);
  margin-block: var(--space-8) var(--space-4);
}
.tradik-prose h1 { font-size: var(--font-size-4xl); font-weight: var(--font-weight-semibold); margin-block-start: 0; }
.tradik-prose h2 { font-size: var(--font-size-2xl); font-weight: var(--font-weight-semibold); }
.tradik-prose h3 { font-size: var(--font-size-xl); font-weight: var(--font-weight-semibold); }
.tradik-prose p, .tradik-prose li { margin-block: var(--space-3); }
.tradik-prose code {
  font-family: var(--font-family-mono);
  font-size: 0.92em;
  background: var(--color-bg-sunken);
  padding: 0.15em 0.35em;
  border-radius: var(--radius-sm);
}
.tradik-prose pre {
  font-family: var(--font-family-mono);
  background: var(--color-bg-inverse);
  color: var(--color-fg-onInverse);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-block: var(--space-4);
}
.tradik-prose pre code { background: transparent; padding: 0; color: inherit; }

.tradik-eyebrow {
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-caps);
  font-size: var(--font-size-xs);
  color: var(--color-fg-muted);
  font-weight: var(--font-weight-medium);
}

/* ---------- Buttons ---------- */
.tradik-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 2.5rem;          /* > 24 px target — WCAG 2.2 (2.5.8) */
  padding: 0 var(--space-4);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  transition:
    background var(--motion-duration-fast) var(--motion-easing-standard),
    border-color var(--motion-duration-fast) var(--motion-easing-standard);
}
.tradik-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.tradik-btn-primary { background: var(--color-accent-bg); color: var(--color-accent-fg); }
.tradik-btn-primary:not(:disabled):hover { background: var(--color-accent-bgHover); }
.tradik-btn-secondary {
  background: var(--color-bg-canvas);
  color: var(--color-fg-primary);
  border-color: var(--color-border-default);
}
.tradik-btn-secondary:hover { border-color: var(--color-border-strong); }
.tradik-btn-ghost { background: transparent; color: var(--color-fg-primary); }
.tradik-btn-ghost:hover { background: var(--color-bg-sunken); }
.tradik-btn-danger { background: var(--color-fg-danger); color: var(--color-accent-fg); }

/* ---------- Form fields ---------- */
.tradik-field { display: grid; gap: var(--space-2); }
.tradik-field > label,
.tradik-field > .tradik-field-label {
  font-size: var(--font-size-sm);
  color: var(--color-fg-secondary);
  font-weight: var(--font-weight-medium);
}
.tradik-field small,
.tradik-field-help {
  font-size: var(--font-size-xs);
  color: var(--color-fg-muted);
}
.tradik-field-error { color: var(--color-fg-danger); font-size: var(--font-size-xs); }

.tradik-input,
.tradik-select,
.tradik-textarea {
  min-height: 2.5rem;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  background: var(--color-bg-canvas);
  width: 100%;
}
.tradik-textarea { padding-block: var(--space-2); min-height: 6rem; }
.tradik-input:focus-visible,
.tradik-select:focus-visible,
.tradik-textarea:focus-visible {
  border-color: var(--color-border-focus);
  outline: 2px solid var(--color-border-focus);
  outline-offset: 1px;
}
.tradik-input[aria-invalid='true'] { border-color: var(--color-fg-danger); }

/* ---------- Card ---------- */
.tradik-card {
  padding: var(--space-5);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  background: var(--color-bg-subtle);
  display: block;
  color: inherit;
  text-decoration: none;
}
.tradik-card-elevated {
  background: var(--color-bg-canvas);
  box-shadow: var(--shadow-md);
}
.tradik-card-accent {
  border-color: var(--color-accent-bg);
  border-width: 2px;
  background: var(--color-bg-canvas);
}
.tradik-card-interactive {
  transition:
    transform var(--motion-duration-base) var(--motion-easing-standard),
    border-color var(--motion-duration-base) var(--motion-easing-standard),
    box-shadow var(--motion-duration-base) var(--motion-easing-standard);
}
.tradik-card-interactive:hover {
  transform: translateY(-2px);
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-md);
}

/* ---------- Table ---------- */
.tradik-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
}
.tradik-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}
.tradik-table th, .tradik-table td {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border-block-end: 1px solid var(--color-border-subtle);
  vertical-align: middle;
}
.tradik-table tbody tr:last-child td { border-block-end: 0; }
.tradik-table thead { background: var(--color-bg-sunken); }
.tradik-table th {
  font-weight: var(--font-weight-semibold);
  color: var(--color-fg-secondary);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
}
.tradik-table tbody tr:hover { background: var(--color-bg-subtle); }
.tradik-table .num,
.tradik-table .tradik-num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-family: var(--font-family-mono);
}
.tradik-table-dense th, .tradik-table-dense td {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-xs);
}

/* ---------- Badge ---------- */
.tradik-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-2);
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  line-height: 1.4;
}
.tradik-badge-success { background: #DCFCE7; color: #166534; }
.tradik-badge-warning { background: #FEF3C7; color: #92400E; }
.tradik-badge-danger  { background: #FEE2E2; color: #991B1B; }
.tradik-badge-info    { background: #DBEAFE; color: #1E40AF; }

/* ---------- Pager ---------- */
.tradik-pager {
  display: flex; gap: var(--space-1); justify-content: center;
  align-items: center;
}
.tradik-pager a, .tradik-pager span {
  min-width: 2.5rem; height: 2.5rem;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-fg-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
}
.tradik-pager a:hover { background: var(--color-bg-sunken); color: var(--color-fg-primary); }
.tradik-pager a[aria-current='page'] { background: var(--color-accent-bg); color: var(--color-accent-fg); }
.tradik-pager a[aria-disabled='true'] { opacity: 0.4; pointer-events: none; }