/* Tinnitus Tracker — legal pages.
   Mirrors the app's design system: calm, quiet, spacious, teal on mist. */

:root {
  --teal: #1f8a8a;
  --navy: #17324d;
  --mist: #f4fafa;
  --soft-teal: #6ec5c3;
  --amber: #e6a15c;
  --text: #18333f;
  --secondary-text: #5c7480;
  --surface: #ffffff;
  --elevated: #eaf4f4;
  --border: #ddeaea;
}

@media (prefers-color-scheme: dark) {
  :root {
    --teal: #6ec5c3;
    --navy: #f4fafa;
    --mist: #0f1f2b;
    --text: #f4fafa;
    --secondary-text: #b7c9ce;
    --surface: #162c3a;
    --elevated: #1d3948;
    --border: #254556;
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  padding: 0 22px 64px;
  background: var(--mist);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Inter',
    'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.page {
  max-width: 680px;
  margin: 0 auto;
}

/* --- Header --- */

header {
  padding: 48px 0 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--secondary-text);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* Abstract waveform in a soft ring — the same motif as the app icon. */
.mark {
  width: 30px;
  height: 30px;
  flex: none;
  display: block;
}

.mark circle {
  fill: var(--teal);
  opacity: 0.16;
}

.mark line {
  stroke: var(--teal);
  stroke-width: 2;
  stroke-linecap: round;
}

h1 {
  margin: 24px 0 8px;
  font-size: 34px;
  line-height: 1.15;
  font-weight: 600;
  letter-spacing: -0.5px;
  color: var(--text);
}

.updated {
  margin: 0;
  color: var(--secondary-text);
  font-size: 14px;
}

.lede {
  margin: 20px 0 0;
  font-size: 18px;
  color: var(--secondary-text);
}

/* --- Sections --- */

h2 {
  margin: 40px 0 12px;
  font-size: 21px;
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: -0.2px;
}

h3 {
  margin: 24px 0 8px;
  font-size: 17px;
  font-weight: 600;
}

p,
li {
  margin: 0 0 12px;
}

ul {
  margin: 0 0 12px;
  padding-left: 22px;
}

li::marker {
  color: var(--teal);
}

strong {
  font-weight: 600;
}

a {
  color: var(--teal);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

/* --- Cards and callouts --- */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px 20px;
  margin: 20px 0;
}

.card p:last-child,
.card ul:last-child,
.card li:last-child {
  margin-bottom: 0;
}

.card h3 {
  margin-top: 0;
}

.notice {
  background: var(--elevated);
  border: 0;
  border-left: 3px solid var(--teal);
  border-radius: 12px;
}

.notice.warm {
  border-left-color: var(--amber);
}

.notice p {
  font-size: 15px;
}

/* --- Data table --- */

.table-wrap {
  overflow-x: auto;
  margin: 20px 0;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
}

table {
  border-collapse: collapse;
  width: 100%;
  min-width: 520px;
  font-size: 15px;
}

th,
td {
  text-align: left;
  padding: 12px 16px;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}

thead th {
  font-weight: 600;
  color: var(--secondary-text);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

tbody tr:last-child td {
  border-bottom: 0;
}

/* --- Table of contents --- */

.toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px 20px;
  margin: 28px 0 8px;
}

.toc p {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--secondary-text);
}

.toc ol {
  margin: 0;
  padding-left: 20px;
  font-size: 15px;
}

.toc li {
  margin-bottom: 4px;
}

/* --- Footer --- */

footer {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--secondary-text);
  font-size: 14px;
}

footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-bottom: 12px;
}

/* --- Index page --- */

.doc-links {
  display: grid;
  gap: 12px;
  margin: 28px 0;
}

.doc-link {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease;
}

.doc-link:hover {
  border-color: var(--teal);
}

.doc-link .title {
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 4px;
}

.doc-link .sub {
  color: var(--secondary-text);
  font-size: 15px;
}

@media (max-width: 480px) {
  body {
    font-size: 16px;
  }

  h1 {
    font-size: 28px;
  }

  h2 {
    font-size: 19px;
  }
}