/* Sign-up / sign-in screen (signup.js). Uses the theme variables, so it follows light (default,
   html[data-theme="light"]) and dark. iPhone: safe-area padding, 16px inputs (no zoom on focus),
   44px tap targets, no horizontal overflow at 320px. */
#view-signin.su { width: min(440px, calc(100vw - 24px - env(safe-area-inset-left) - env(safe-area-inset-right))); box-sizing: border-box;
  margin: max(16px, env(safe-area-inset-top)) auto max(24px, env(safe-area-inset-bottom)); }
.su-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.su-tabs { display: inline-flex; background: var(--panel-2); border: 1px solid var(--line); border-radius: 999px; padding: 3px; }
.su-tab { min-height: 38px; padding: 0 14px; border: 0; border-radius: 999px; background: transparent; color: var(--muted); font: inherit; font-weight: 600; cursor: pointer; }
.su-tab[aria-selected="true"] { background: var(--panel); color: var(--text); box-shadow: var(--shadow); }
.su-tab:focus-visible, .su-method:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
#view-signin.su h1 { font-size: 1.5rem; margin: 6px 0 6px; }
#view-signin.su input[type="text"], #view-signin.su input[type="email"], #view-signin.su input[type="password"], #view-signin.su input[type="tel"] {
  font-size: 16px; min-height: var(--tap); width: 100%; box-sizing: border-box; }
.su-agree { display: flex; gap: 10px; align-items: flex-start; font-size: .92rem; line-height: 1.35; }
.su-agree input { width: 22px; height: 22px; flex: 0 0 22px; margin-top: 1px; accent-color: var(--accent); }
.su-agree a { color: var(--accent-text); }
.su-h2 { margin: 22px 0 8px; color: var(--muted); font-weight: 600; text-transform: none; }
.su-method { position: relative; min-height: var(--tap); display: flex; align-items: center; justify-content: center; gap: 8px; }
.su-method[disabled] { opacity: .62; cursor: not-allowed; }
.su-soon { font-size: .72rem; font-weight: 700; padding: 2px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-text); }
.su-mini { padding: 10px 2px 4px; }
.su-legal { margin-top: 18px; }
.su-legal a { color: var(--muted); }
#su-note.ok { color: var(--ok); }
@media (max-width: 360px) { .su-tab { padding: 0 10px; font-size: .9rem; } #view-signin.su { padding: 16px; } }
@media (prefers-reduced-motion: reduce) { .su-tab { transition: none; } }