@media (max-width: 920px) {
  .hero, .split-section { grid-template-columns: 1fr; min-height: auto; }
  .hero-logo { justify-self: start; }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .people-grid, .dashboard-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .staff-report-layout { grid-template-columns: 1fr; }
  .staff-report-compose { position: static; }
}

@media (max-width: 650px) {
  .staff-reports-page { width: min(100% - 20px, 1240px); }
  .staff-report-toolbar { align-items: stretch; flex-direction: column; }
  .staff-report-toolbar .button { justify-content: center; width: 100%; }
  .staff-report-card > header { grid-template-columns: 40px minmax(0, 1fr); }
  .staff-report-author-icon { width: 40px; height: 40px; }
  .staff-report-card-actions { grid-column: 1 / -1; justify-content: flex-end; padding-top: 11px; border-top: 1px solid var(--color-border); }
  .staff-report-status-toggle { justify-content: flex-end; }
}

@media (max-width: 720px) {
  .burger { display: block; }
  .nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 74px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-8px) scale(0.98);
    transform-origin: top right;
    transition: opacity 180ms cubic-bezier(0.23, 1, 0.32, 1), transform 180ms cubic-bezier(0.23, 1, 0.32, 1), visibility 180ms;
  }
  .nav.open { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0) scale(1); }
  .nav a, .link-button { min-height: 44px; display: flex; align-items: center; }
  .hero { padding-top: 34px; gap: 28px; }
  .hero-logo img { width: 190px; }
  .news-grid, .people-grid, .dashboard-grid, .choice-grid, .form-grid, .toolbar, .compact-toolbar, .import-panel, .stats-grid, .detail-columns, .observation-grid, .category-grid, .referee-filter-row, .availability-filter-panel, .availability-summary-grid, .availability-referee-columns, .availability-date-builder, .match-detail-grid, .match-filter-panel, .designation-facts, .designation-feedback-grid { grid-template-columns: 1fr; }
  .designation-hero, .designation-feedback-actions { align-items: stretch; flex-direction: column; }
  .designation-hero h1 { align-items: flex-start; flex-direction: column; }
  .designation-hero h1 i { transform: rotate(90deg); }
  .designation-number { align-self: flex-start; }
  .designation-address { grid-column: auto; grid-template-columns: 44px minmax(0, 1fr); }
  .designation-address .button { grid-column: 1 / -1; }
  .designation-map-actions { grid-column: 1 / -1; grid-auto-flow: row; }
  .feedback-wide { grid-column: auto; }
  .report-checkbox-grid { grid-template-columns: 1fr; }
  .feedback-stats, .feedback-filters { grid-template-columns: 1fr; }
  .profile-hero { flex-direction: column; align-items: stretch; }
  .whatsapp-connection-card { grid-template-columns: 1fr; }
  .whatsapp-add-group { grid-template-columns: 1fr; }
  .whatsapp-add-group small { grid-column: auto; }
  .availability-slots, .modal-slots { grid-template-columns: 1fr; padding: 14px; gap: 8px; }
  .availability-week-compact { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .availability-week-compact .availability-slots { padding: 8px 12px 10px; gap: 3px; }
  .referee-calendar-heading, .referee-calendar-nav { align-items: stretch; flex-direction: column; }
  .referee-calendar-nav strong { order: -1; text-align: center; }
  .referee-calendar-day { min-height: 58px; padding: 6px; }
  .referee-calendar-day small { display: none; }
  .calendar-status-actions { grid-template-columns: 1fr; }
  .match-day-choice { grid-template-columns: 42px minmax(0, 1fr) auto; padding: 12px; }
  .match-day-choice-icon { width: 40px; height: 40px; }
  .staff-match-calendar-nav { flex-direction: column; align-items: stretch; }
  .availability-reopen-panel, .availability-reopen-panel form { align-items: stretch; flex-direction: column; }
  .availability-reopen-panel fieldset { flex-direction: column; }
  .availability-reopen-panel input { width: 100%; }
  .staff-match-calendar-nav > strong { order: -1; text-align: center; }
  .staff-match-days, .staff-match-day-row, .staff-match-day-row[data-day-count="3"], .staff-availability-split { grid-template-columns: 1fr; }
  .staff-day-slot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .staff-day-matches { grid-template-columns: 1fr; }
  .staff-availability-split { height: auto; min-height: 0; }
  .staff-availability-column { min-height: 320px; max-height: 52vh; }
  .availability-panel-title, .availability-subtitle, .availability-day-row h2, .availability-day-title, .availability-actions { padding-inline: 14px; }
  .availability-actions, .availability-day-title, .availability-slot-tools, .availability-heading, .availability-referee-header, .availability-calendar-toolbar { flex-direction: column; align-items: stretch; }
  .availability-filter-actions { flex-direction: column; }
  .availability-mini-table div { grid-template-columns: 1fr; gap: 2px; }
  .availability-calendar { display: block; }
  .availability-calendar-head { display: none; }
  .availability-calendar-day { min-height: auto; border-right: 0; }
  .slot-check {
    min-height: 48px;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: white;
  }
  .modal-backdrop {
    padding: max(12px, env(safe-area-inset-top)) 12px max(12px, env(safe-area-inset-bottom));
    align-items: start;
  }
  .availability-modal {
    max-height: calc(100vh - 24px);
    max-height: calc(100dvh - 24px);
  }
  .modal-body { padding: 16px; }
  .modal-title, .modal-footer { flex-shrink: 0; padding: 12px 14px; }
  .modal-footer { padding-bottom: max(12px, env(safe-area-inset-bottom)); }
  .section-heading, .list-item, .site-footer, .referee-options-panel { flex-direction: column; align-items: stretch; }
  .feedback-admin-card header, .feedback-admin-actions, .feedback-admin-actions form { flex-direction: column; align-items: stretch; }
  .match-row-main { align-items: flex-start; }
  .button, button { width: 100%; }
  .responsive-table, .responsive-table thead, .responsive-table tbody, .responsive-table th, .responsive-table td, .responsive-table tr { display: block; }
  .responsive-table thead { display: none; }
  .responsive-table tr { margin-bottom: 12px; border: 1px solid var(--color-border); border-radius: var(--radius); background: var(--color-surface); }
  .responsive-table td { display: flex; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--color-border); }
  .responsive-table td::before { content: attr(data-label); font-weight: 700; color: var(--color-muted); }
  .account-default-panel, .candidature-filters, .candidature-card-header, .candidature-account-actions { align-items: stretch; flex-direction: column; }
  .account-default-panel label { flex-basis: auto; }
  .candidature-heading { align-items: flex-start; }
  .result-count { align-self: flex-start; }
  .toggle-check { white-space: normal; }
  .candidature-update-form { grid-template-columns: 1fr; }
  .create-account-form { display: grid; grid-template-columns: 1fr; width: 100%; }
  .candidature-account-actions > form { width: 100%; }
  .candidature-badges { justify-content: start; }
}

@media (max-width: 460px) {
  .hero, .section, .split-section, .choice-page, .auth-page, .article-detail, .error-page { width: min(100% - 24px, 1120px); }
  .site-header { padding-inline: 12px; }
  .form-card, .rich-content { padding: 16px; }
  .section { padding-block: 28px; }
  .candidature-card-header, .candidature-actions { padding-inline: 14px; }
  .candidature-message { margin-inline: 14px; }
}