/* Base: element defaults, typography, forms. No classes here except a few text utilities at the end. */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading);
  overflow-wrap: break-word;
}

/* German compounds: hyphenate running text so long words never break the layout on phones */
p, li, dd, td, th, h1, h2, h3, h4, blockquote, figcaption, label, legend {
  hyphens: auto;
}

h1, h2, h3, h4 {
  margin: 0 0 var(--space-3);
  line-height: var(--leading-tight);
  letter-spacing: -0.01em;
  font-weight: 700;
  text-wrap: balance;
}

h1 { font-size: var(--text-2xl); }
h2 { font-size: var(--text-lg); margin-top: var(--space-6); }
h3 { font-size: var(--text-md); margin-top: var(--space-5); }
h4 { font-size: var(--text-base); }

p, ul, ol, dl, blockquote, figure, table {
  margin: 0 0 var(--space-4);
}

ul, ol { padding-left: var(--space-5); }

a {
  color: var(--accent);
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  text-decoration-color: color-mix(in srgb, currentColor 45%, transparent);
  transition: color var(--transition), text-decoration-color var(--transition);
}

a:hover {
  color: var(--accent-hover);
  text-decoration-color: currentColor;
}

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

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

img {
  height: auto;
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: var(--space-6) 0;
}

blockquote {
  margin-left: 0;
  padding-left: var(--space-4);
  border-left: 3px solid var(--line-strong);
  color: var(--ink-2);
}

mark {
  background: var(--mark);
  color: var(--mark-ink);
  padding: 0 0.1em;
  border-radius: 2px;
}

code, kbd, .mono {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

abbr[title] {
  text-decoration: underline dotted;
  cursor: help;
}

time {
  white-space: nowrap;
}

/* tables */
table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

th, td {
  text-align: left;
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--ink-2);
  border-bottom-color: var(--line-strong);
  white-space: nowrap;
}

tbody tr:hover {
  background: color-mix(in srgb, var(--surface-2) 60%, transparent);
}

/* forms */
input, select, textarea, button {
  font: inherit;
  color: inherit;
}

input:not([type='checkbox'], [type='radio'], [type='range']), select, textarea {
  min-height: 2.5rem;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--line-field);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  width: 100%;
}

input::placeholder {
  color: var(--ink-3);
}

input[type='checkbox'], input[type='radio'], input[type='range'] {
  accent-color: var(--accent);
}

input[type='checkbox'], input[type='radio'] {
  width: 1.1rem;
  height: 1.1rem;
  margin: 0;
  vertical-align: -0.15em;
}

label {
  color: var(--ink-2);
}

button, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 2.5rem;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

button:hover, .button:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--on-accent);
}

button.secondary, .button.secondary {
  background: var(--surface);
  border-color: var(--line-strong);
  color: var(--ink);
}

button.secondary:hover, .button.secondary:hover {
  background: var(--surface-2);
  color: var(--ink);
}

button.ghost, .button.ghost {
  background: transparent;
  border-color: transparent;
  color: var(--ink-2);
}

button.ghost:hover, .button.ghost:hover {
  background: var(--surface-2);
  color: var(--ink);
}

details > summary {
  cursor: pointer;
}

/* text utilities */
.muted { color: var(--ink-3); }
.small { font-size: var(--text-sm); }
.xsmall { font-size: var(--text-xs); }
.strong { font-weight: 600; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.nowrap { white-space: nowrap; }
.block { display: block; }

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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