/* Shared Youmia presentation for installation, policy and recovery pages. */
:root {
  color-scheme: light;
  --bg: #F4F1EA;
  --surface: #FFFFFF;
  --surface-alt: #F8F6F0;
  --border: #E3DED2;
  --text: #1F2A24;
  --text-secondary: #5C6660;
  --text-tertiary: #626D66;
  --primary: #3F6E5C;
  --primary-dark: #2D5346;
  --primary-soft: #EAF0E9;
  --on-primary: #FFFFFF;
  --warning: #8C651D;
  --warning-bg: #FBF1DE;
  --error: #A63232;
  --error-bg: #FFF0EE;
  --radius: 24px;
  --radius-sm: 14px;
  --font-body: 'Cairo', -apple-system, system-ui, sans-serif;
  --shadow: 0 12px 36px rgba(31, 42, 36, .035);
}
html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #10141A;
  --surface: #171C24;
  --surface-alt: #1D232C;
  --border: #303743;
  --text: #ECEAE3;
  --text-secondary: #B7BDB8;
  --text-tertiary: #A6ADA6;
  --primary: #6FAE97;
  --primary-dark: #92C9B3;
  --primary-soft: #21382F;
  --on-primary: #102219;
  --warning: #E0B560;
  --warning-bg: #2B2418;
  --error: #FFACA6;
  --error-bg: #392426;
  --shadow: none;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
button, input, select, textarea { font: inherit; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
a { color: var(--primary); text-underline-offset: .24em; }
a:hover { color: var(--primary-dark); }
button, a { touch-action: manipulation; }
img, svg { max-width: 100%; }
*:focus-visible { outline: 3px solid var(--primary); outline-offset: 4px; }
.container { width: 100%; max-width: 840px; margin-inline: auto; padding-inline: 24px; }
.topbar, nav.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 100px;
  padding-block: 22px;
}
.brand, .topbar .brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  gap: 9px;
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.5;
}
.brand:hover { color: var(--primary); text-decoration: none; }
.brand-mark { width: 38px; height: 38px; object-fit: contain; }
.brand-mark-dark { display: none; }
html[data-theme="dark"] .brand-mark-light { display: none; }
html[data-theme="dark"] .brand-mark-dark { display: block; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}
.theme-icon-sun { display: none; }
html[data-theme="dark"] .theme-icon-moon { display: none; }
html[data-theme="dark"] .theme-icon-sun { display: block; }
.icon-btn:hover { background: var(--primary-soft); border-color: var(--primary); }
.back-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 44px;
  padding: 8px 12px;
  border-radius: 12px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}
.back-link:hover { background: var(--surface); color: var(--text); }
html[dir="rtl"] .back-link svg { transform: rotate(180deg); }
h1, h2, h3 { font-weight: 700; text-wrap: balance; }
h1 { font-size: clamp(28px, 4vw, 38px); line-height: 1.5; margin: 0 0 14px; }
h2 { font-size: 22px; line-height: 1.65; margin: 32px 0 12px; }
h3 { font-size: 18px; line-height: 1.65; margin: 24px 0 10px; }
p { margin: 0 0 16px; }
ul, ol { padding-inline-start: 24px; }
li { margin-block-end: 9px; }
.en { display: block; direction: ltr; text-align: left; color: var(--text-secondary); font-size: 16px; margin-block-start: 6px; }
.legal-copy { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 36px 40px; box-shadow: var(--shadow); }
.legal-copy h1 .en { font-size: 18px; font-weight: 500; }
.legal-copy h2 { color: var(--primary); margin-block-start: 36px; padding-block-start: 26px; border-block-start: 1px solid var(--border); }
.legal-copy section { scroll-margin-top: 24px; }
.legal-copy .lede { color: var(--text-secondary); font-size: 16px; margin-block-end: 18px; }
.meta { color: var(--text-tertiary); font-size: 13px; margin-block-end: 28px; }
.legal-copy a { overflow-wrap: anywhere; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 30px; margin-block-end: 20px; box-shadow: var(--shadow); }
.legal-copy .card { padding: 20px 24px; margin-block: 24px; background: var(--surface-alt); border-radius: 16px; }
.card.warning, .alert { background: var(--warning-bg); border: 1px solid var(--warning); border-inline-start: 4px solid var(--warning); border-radius: 16px; padding: 22px 24px; margin-block: 24px; }
.alert h3 { color: var(--warning); margin-block: 0 10px; }
.card.warning .en { color: inherit; }
footer { margin-block-start: 44px; padding-block: 28px 40px; color: var(--text-tertiary); font-size: 13px; }
.footer-links { display: flex; gap: 8px 20px; flex-wrap: wrap; margin-block-start: 12px; }
.footer-links a { min-height: 36px; display: inline-flex; align-items: center; }
.footer { text-align: center; }
footer p { margin-block-end: 8px; }
.skip-link { position: fixed; inset-block-start: -100px; inset-inline-start: 16px; background: var(--primary); color: var(--on-primary); padding: 12px 20px; border-radius: 0 0 12px 12px; z-index: 100; font-weight: 700; text-decoration: none; }
.skip-link:focus { inset-block-start: 0; color: var(--on-primary); }

/* TestFlight: a quiet introduction, three installation steps, then support. */
.beta-page .container { max-width: 800px; }
.hero { text-align: center; padding-block: 36px 38px; }
.hero .eyebrow { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--border); border-radius: 100px; padding: 5px 14px; margin-block-end: 20px; color: var(--primary); font-size: 13px; font-weight: 700; }
.hero h1 { font-size: clamp(30px, 5vw, 44px); line-height: 1.55; max-width: 620px; margin-inline: auto; }
.hero .lead { font-size: 17px; color: var(--text-secondary); max-width: 620px; margin: 0 auto; line-height: 1.9; }
.card > h2:first-child { margin-block-start: 0; }
.card p { color: var(--text-secondary); font-size: 16px; }
.install-card { border-color: var(--primary); }
.install-card > .btn-submit { margin-block: 2px 20px; }
.install-card > p:last-child { margin-block: 16px 0; font-size: 14px; }
.install-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; list-style: none; margin: 24px 0; padding: 0; }
.install-steps li { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; padding: 16px; margin: 0; border: 1px solid var(--border); background: var(--surface-alt); border-radius: 16px; font-size: 15px; font-weight: 600; }
.step-number { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; flex: 0 0 32px; background: var(--primary-soft); color: var(--primary); border-radius: 50%; font-size: 17px; font-weight: 700; }
.card-title { display: flex; align-items: center; gap: 12px; margin: 0 0 20px; }
.card-title .ico { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; flex: 0 0 36px; border-radius: 12px; color: var(--primary); background: var(--primary-soft); }
.card-title .ico svg { width: 19px; height: 19px; }
.info-list { list-style: none; padding: 0; margin: 0; }
.info-list li { display: flex; align-items: flex-start; gap: 12px; padding-block: 14px; border-block-end: 1px solid var(--border); margin: 0; font-size: 15px; }
.info-list li:last-child { border: 0; padding-block-end: 0; }
.info-list .check { display: flex; align-items: center; justify-content: center; flex: 0 0 22px; height: 22px; border-radius: 50%; background: var(--warning-bg); color: var(--warning); margin-block-start: 4px; }
.info-list .check svg { width: 13px; height: 13px; }
.install-guide { border-block-start: 1px solid var(--border); padding-block-start: 14px; }
.install-guide summary { cursor: pointer; color: var(--primary); font-weight: 700; min-height: 44px; padding-block: 8px; }
.howto-figure { margin: 16px 0 0; border: 1px solid var(--border); border-radius: 14px; overflow: hidden; background: var(--surface-alt); }
.howto-figure img { display: block; width: 100%; height: auto; }
.howto-figure figcaption { padding: 14px 18px; font-size: 13px; color: var(--text-secondary); text-align: center; border-block-start: 1px solid var(--border); }
.form-group { margin-block-end: 20px; }
.form-group label, .success > label { display: block; font-size: 15px; font-weight: 700; margin-block-end: 8px; }
.form-group .optional { color: var(--text-tertiary); font-size: 13px; font-weight: 500; margin-inline-start: 6px; }
.required-mark { color: var(--error); }
.form-control { width: 100%; min-height: 52px; font-size: 16px; line-height: 1.65; padding: 13px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); color: var(--text); }
.form-control:hover { border-color: var(--text-tertiary); }
.form-control:focus { outline: 2px solid var(--primary); outline-offset: 2px; border-color: var(--primary); }
.form-control::placeholder { color: var(--text-tertiary); opacity: 1; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.checkbox-group { display: flex; align-items: flex-start; gap: 12px; padding: 18px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-alt); margin-block: 24px; }
.checkbox-group.is-checked { background: var(--primary-soft); border-color: var(--primary); }
.checkbox-group input { flex: 0 0 22px; width: 22px; height: 22px; margin: 4px 0 0; accent-color: var(--primary); cursor: pointer; }
.checkbox-group label { font-size: 14px; line-height: 1.9; cursor: pointer; }
.checkbox-group a { overflow-wrap: anywhere; }
.btn-submit, .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 52px; padding: 13px 22px; border: 1px solid transparent; border-radius: 14px; font-size: 16px; font-weight: 700; text-align: center; text-decoration: none; cursor: pointer; }
.btn-submit { width: 100%; background: var(--primary); color: var(--on-primary); }
.btn-submit:hover { background: var(--primary-dark); color: var(--on-primary); text-decoration: none; }
.support-card .btn-submit { margin-block-end: 16px; background: var(--surface-alt); color: var(--text); border-color: var(--border); }
.support-card .btn-submit:hover { background: var(--primary-soft); border-color: var(--primary); }
.btn-submit:disabled { cursor: not-allowed; opacity: .6; }
.btn-submit .spinner { display: none; }
.form-error { display: none; margin-block-start: 12px; padding: 14px 16px; background: var(--error-bg); color: var(--error); border: 1px solid var(--error); border-radius: var(--radius-sm); font-size: 14px; }
.form-error.is-visible { display: block; }
.success { display: none; background: var(--surface); border: 1px solid var(--primary); border-radius: var(--radius); padding: 30px; margin-block-end: 20px; }
.success.is-visible { display: block; }
.success h2 { margin-block-start: 0; }
.success p { color: var(--text-secondary); font-size: 16px; }
.success .back-home { display: inline-flex; align-items: center; min-height: 48px; padding: 10px 16px; margin-block: 8px 20px; border: 1px solid var(--primary); border-radius: 12px; font-weight: 700; text-decoration: none; }
.success .back-home:hover { background: var(--primary-soft); }
.success textarea { resize: vertical; }

/* The recovery page retains the same identity and reading rhythm. */
.error-page { min-height: 100vh; padding: 24px; display: flex; align-items: center; justify-content: center; }
.error-shell { width: 100%; max-width: 580px; }
.error-shell .topbar { min-height: 80px; padding-block: 0 24px; }
.error-page .card { text-align: center; padding: 40px 32px; margin: 0; }
.error-page .code { color: var(--primary); font-size: 44px; line-height: 1.4; font-weight: 600; margin-block-end: 16px; }
.error-page h1 { font-size: 28px; }
.error-page .en { text-align: center; }
.actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:hover { background: var(--primary-dark); color: var(--on-primary); }
.btn-secondary { background: var(--surface-alt); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--primary-soft); color: var(--text); }
@media (max-width: 600px) {
  .container { padding-inline: 18px; }
  .topbar, nav.top { min-height: 88px; padding-block: 18px; }
  .legal-copy { padding: 24px 20px; border-radius: 20px; }
  .legal-copy h2 { font-size: 20px; }
  .hero { padding-block: 24px 30px; }
  .card { padding: 24px 20px; border-radius: 20px; }
  .card-title, .install-card h2 { font-size: 20px; }
  .install-steps { grid-template-columns: 1fr; gap: 8px; }
  .install-steps li { flex-direction: row; align-items: center; padding: 12px 14px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .checkbox-group { padding: 14px; }
  .error-page { padding: 18px; }
  .error-page .card { padding: 30px 20px; }
  .actions { flex-direction: column; }
  footer { margin-block-start: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}