/* Shared shell: keep the same visual language across each working surface. */
:root { --on-accent: #fff; }
main { width: min(960px, 100%); padding-top: max(18px, env(safe-area-inset-top)); }
.site-header { min-height: 44px; align-items: center; gap: 10px; margin-bottom: 14px; }
.site-header h1 { font-size: 22px; line-height: 1.25; letter-spacing: -.025em; white-space: nowrap; }
.header-actions { max-width: none; gap: 4px; flex-wrap: nowrap; margin: 0; }
.header-actions .status { gap: 6px; padding: 5px 8px; font-size: 11px; }
.header-actions .text-button { padding-inline: 9px; font-size: 13px; }
.view-tabs { grid-template-columns: 1.3fr 1.1fr 1fr; margin-bottom: 18px; border-radius: 14px; padding: 3px; }
.view-tabs .tab { min-height: 44px; border-radius: 10px; padding: 9px 10px; font-size: 14px; }
.view-tabs .tab.active { color: var(--accent); box-shadow: 0 2px 7px rgba(35, 52, 44, .07); }
#workspaceView, #todayView, #conversationView { max-width: 860px; margin-inline: auto; }
#unlockPanel { max-width: 440px; margin: 36px auto 0; }
.remember-login { display: flex; align-items: center; gap: 10px; min-height: 44px; margin: 12px 0; font-size: 14px; }
.remember-login input { width: 18px; height: 18px; min-height: 18px; margin: 0; padding: 0; flex-shrink: 0; accent-color: var(--accent); }
.login-notice { color: var(--muted); font-size: 12px; line-height: 1.6; margin: 0 0 12px; }
.login-notice:empty { display: none; }
.card, .task { border-radius: 16px; box-shadow: 0 4px 18px rgba(35, 52, 44, .035); }
.section-heading { margin-bottom: 14px; }
.section-heading h2, .timeline-header h2 { font-size: 20px; }
.compose { padding: 18px; }
.compose-heading { margin-bottom: 12px; }
.timeline-header { margin-top: 24px; }
.task summary { padding: 14px 16px; }
.task-body { padding-inline: 16px; }
.form-message:empty, .refresh-state:empty { min-height: 0; margin: 0; }
button { color: var(--on-accent); }
button:focus-visible, summary:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
@media (max-width: 540px) {
  main { padding-inline: 14px; }
  .site-header { align-items: center; }
  .site-header h1 { font-size: 20px; }
  .shortcut-hint { display: none; }
  .compose, .unlock-card { padding: 16px; }
}
@media (max-width: 360px) {
  main { padding-inline: 12px; }
  .site-header { display: flex; flex-wrap: wrap; }
  .site-header h1 { font-size: 19px; }
  .header-actions { justify-content: flex-end; flex: 1; }
  .view-tabs .tab { padding-inline: 6px; font-size: 13px; }
}
@media (prefers-color-scheme: dark) {
  :root { --on-accent: #142d22; }
}