/* Unik palette (unik-ios/design/README.md → Palette), light and dark. */
:root {
  color-scheme: light dark;
  --accent: #1B4F8A;
  --accent-text: #1B4F8A;
  --accent-soft: #E6EEF8;
  --accent-on-soft: #1B4F8A;
  --on-accent: #FFFFFF;
  --mint: #8CCBB0;
  --warning: #A86500;
  --warning-soft: #FFF4E0;
  --danger: #C93636;
  --bg: #FFFFFF;
  --bg-grouped: #F3F5F8;
  --surface: #FFFFFF;
  --surface-muted: #F3F5F8;
  --text: #12161C;
  --text-2: #4E5866;
  --text-3: #8792A1;
  --border: #E3E8EE;
  --border-strong: #C3CBD5;
  --radius: 14px;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --accent: #3C78C7;
    --accent-text: #7FB0EE;
    --accent-soft: #1B2B40;
    --accent-on-soft: #9EC2F0;
    --warning: #F5B547;
    --warning-soft: #3A2C12;
    --danger: #FF6B6B;
    --bg: #0A0D11;
    --bg-grouped: #0A0D11;
    --surface: #161B22;
    --surface-muted: #1E242C;
    --text: #F3F5F8;
    --text-2: #A6B0BD;
    --text-3: #6E7988;
    --border: #262D36;
    --border-strong: #3A434F;
  }
}

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

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

/* Class display rules must not override the hidden attribute. */
[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-grouped);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  overflow-wrap: break-word;
}

a {
  color: var(--accent-text);
  text-underline-offset: 0.15em;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

.wrap {
  width: 100%;
  max-width: 46rem;
  margin: 0 auto;
  padding: 0 16px;
}

/* Header and footer */

.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 64px;
}

.brand {
  display: inline-flex;
  line-height: 0;
  border-radius: 8px;
}

.brand img {
  display: block;
  height: 40px;
  width: auto;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  font-size: 15px;
}

.site-nav a {
  color: var(--text-2);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--accent-text);
}

main {
  flex: 1;
  padding: 32px 0 48px;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-3);
  font-size: 14px;
  padding: 24px 0;
}

.site-footer p {
  margin: 0 0 6px;
}

.site-footer a {
  color: var(--text-2);
}

/* Text */

h1 {
  font-size: clamp(28px, 6vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}

h2 {
  font-size: 21px;
  line-height: 1.3;
  margin: 36px 0 8px;
}

h3 {
  font-size: 17px;
  margin: 24px 0 4px;
}

p,
ul,
ol {
  margin: 0 0 14px;
}

ul,
ol {
  padding-left: 1.3em;
}

li {
  margin-bottom: 6px;
}

.lead {
  font-size: 19px;
  color: var(--text-2);
}

.muted {
  color: var(--text-2);
}

.small {
  font-size: 14px;
  color: var(--text-3);
}

code {
  font-family: var(--mono);
  font-size: 0.92em;
  background: var(--surface-muted);
  border-radius: 4px;
  padding: 0 0.3em;
}

/* Blocks */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin: 0 0 16px;
}

.card h2:first-child,
.card h3:first-child {
  margin-top: 0;
}

.draft {
  background: var(--warning-soft);
  color: var(--text);
  border: 1px solid var(--warning);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin: 0 0 24px;
}

.draft strong {
  color: var(--warning);
  letter-spacing: 0.02em;
}

.features {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  margin: 24px 0;
}

.features .card {
  margin: 0;
}

.features h2 {
  font-size: 17px;
  margin: 0 0 4px;
}

.features p {
  margin: 0;
  color: var(--text-2);
}

.hero {
  text-align: center;
  padding: 8px 0 8px;
}

.hero img {
  height: 120px;
  width: auto;
  margin: 0 auto 20px;
  display: block;
}

/* Buttons */

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin: 20px 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 24px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 17px;
  text-decoration: none;
  border: 1px solid transparent;
}

.button-primary {
  background: var(--accent);
  color: var(--on-accent);
}

.button-secondary {
  background: var(--accent-soft);
  color: var(--accent-on-soft);
}

.button[aria-disabled="true"] {
  background: var(--surface-muted);
  color: var(--text-3);
  border-color: var(--border);
  cursor: default;
}

/* Invitation page */

.invite {
  text-align: center;
}

.invite .card {
  text-align: left;
}

.code-box {
  margin: 24px auto;
  max-width: 26rem;
  background: var(--accent-soft);
  border-radius: var(--radius);
  padding: 18px 16px;
}

.code-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-on-soft);
  margin-bottom: 6px;
}

.code {
  display: block;
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(30px, 9vw, 44px);
  letter-spacing: 0.08em;
  color: var(--accent-on-soft);
  user-select: all;
  -webkit-user-select: all;
}

.notice {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 14px 16px;
  background: var(--surface);
}

.steps {
  text-align: left;
  margin: 0;
}

.legal h2 {
  font-size: 19px;
}

.legal table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  margin: 0 0 16px;
  display: block;
  overflow-x: auto;
}

.legal th,
.legal td {
  text-align: left;
  vertical-align: top;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}

.legal th {
  color: var(--text-2);
  font-weight: 600;
}

@media (max-width: 30rem) {
  .site-header .wrap {
    flex-direction: column;
    align-items: flex-start;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .button {
    width: 100%;
  }
}