@media (max-width: 850px) {
  .sidebar {
    width: 180px;
  }
  main {
    margin-left: 180px;
    padding: 24px 20px;
  }
  .brand {
    font-size: 15px;
    gap: 8px;
  }
  .month-cell {
    height: 104px;
  }
  .task-time {
    display: none;
  }
}
@media (max-width: 600px) {
  .sidebar {
    display: none;
  }
  main {
    margin: 0;
    padding: 24px 14px calc(78px + env(safe-area-inset-bottom));
  }
  .page-header {
    margin-bottom: 20px;
  }
  .page-header h1 {
    font-size: 26px;
  }
  .page-header .primary {
    padding: 9px 12px;
    font-size: 13px;
  }
  .eyebrow {
    font-size: 10px;
    letter-spacing: 1px;
  }
  .calendar-toolbar {
    gap: 10px;
  }
  .date-nav {
    width: 100%;
    gap: 4px;
  }
  .date-title {
    font-size: 18px;
    margin-left: auto;
    padding: 6px;
  }
  #jump-date {
    width: 115px;
    font-size: 11px;
  }
  .segmented {
    width: 100%;
  }
  .segmented button {
    flex: 1;
  }
  .filters {
    gap: 6px;
  }
  .filters select {
    font-size: 12px;
    width: calc(50% - 4px);
  }
  .legend {
    margin: 4px 0;
  }
  #counts {
    margin-left: auto;
    font-size: 11px;
  }
  .month-cell {
    height: 50px;
    padding: 3px;
    text-align: center;
  }
  .month-events {
    display: none;
  }
  .day-number {
    min-height: 24px;
    height: 24px;
    width: 24px;
    font-size: 13px;
    margin: 0 auto;
  }
  .day-dots {
    display: flex;
    justify-content: center;
    gap: 3px;
    margin-top: 2px;
  }
  .day-dots i {
    width: 3px;
    height: 3px;
    background: var(--regular);
    border-radius: 50%;
  }
  .day-dots .urgent {
    background: var(--urgent);
  }
  .day-dots .check {
    background: var(--check);
  }
  .day-count {
    display: block;
    font-size: 8px;
    line-height: 10px;
    color: #9ca3af;
    margin-top: 1px;
  }
  .week-head {
    padding: 10px 0;
  }
  .panel-title h2 {
    font-size: 17px;
  }
  .task-card {
    padding: 12px;
    gap: 12px;
  }
  .task-card strong {
    font-size: 13px;
  }
  .badge {
    padding: 4px;
    font-size: 10px;
  }
  .mobile-nav {
    display: flex;
    justify-content: space-around;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #ffffffee;
    backdrop-filter: blur(15px);
    border-top: 1px solid var(--line);
    padding: 10px 8px calc(10px + env(safe-area-inset-bottom));
    z-index: 10;
  }
  .mobile-nav button {
    border: 0;
    background: transparent;
    font-size: 12px;
    color: var(--muted);
    padding: 6px 14px;
  }
  .mobile-nav .active {
    background: #eee8fa;
    color: var(--primary);
    font-weight: 600;
  }
  .timeline.week {
    min-width: 700px;
  }
  .timeline-scroll {
    max-height: 60vh;
  }
  .agenda {
    padding: 0 10px 16px;
  }
  .form-grid {
    gap: 0 10px;
  }
  dialog {
    padding: 18px;
    max-height: 90dvh;
  }
  .dialog-head h2 {
    font-size: 17px;
  }
  .step-card {
    padding: 12px;
  }
  .step-controls button {
    font-size: 12px;
    padding: 8px;
  }
  footer span {
    display: none;
  }
}