@media (max-width: 1180px) {
  .schedule-board-header {
    grid-template-columns: 1fr;
    grid-template-areas: "views";
  }

  .schedule-actions,
  .view-tools {
    justify-items: stretch;
  }

  .schedule-actions {
    justify-self: stretch;
    min-width: 0;
    width: 100%;
  }
}

@media (max-width: 800px) {
  .timeline-day,
  .day-group,
  .institution-group,
  .subject-group,
  .teacher-group,
  .status-group {
    content-visibility: auto;
    contain-intrinsic-size: auto 240px;
  }
}

@media (max-width: 800px) {
  .schedule-board-header {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-areas: "views";
    gap: 14px;
  }

  .schedule-actions,
  .view-tools {
    justify-items: stretch;
  }

  .schedule-actions {
    justify-self: stretch;
  }

  .view-tools,
  .export-tools {
    justify-items: stretch;
    justify-content: stretch;
  }

  .export-tools,
  .segmented,
  .view-select-label,
  .view-info-panel,
  .view-mode-label,
  .view-hint,
  .view-metrics,
  .view-suggestion,
  .legend {
    width: 100%;
  }

  .segmented {
    display: none;
  }

  .view-mode-group > div {
    grid-template-columns: repeat(2, 1fr);
  }

  .view-tools {
    gap: 9px;
    padding: 10px;
    background: #fff;
  }

  .view-tools-head,
  .schedule-title {
    justify-items: stretch;
  }

  .view-tools-head {
    grid-template-columns: 1fr;
  }

  .schedule-title {
    text-align: left;
  }

  .schedule-tools-toggle,
  .view-mode-label {
    justify-self: stretch;
  }

  .view-select-label {
    display: grid;
  }

  .mobile-course-layout .view-select-label {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
  }

  .mobile-course-layout .view-select-label select {
    min-height: 44px;
    font-size: 15px;
  }

  .view-mode-label {
    text-align: left;
  }

  .view-hint {
    justify-content: flex-start;
    max-width: none;
    text-align: left;
    font-size: 13px;
  }

  .view-hint strong {
    font-size: 14px;
  }

  .view-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
    padding: 8px;
  }

  .view-metrics span {
    justify-content: flex-start;
    padding: 8px 9px;
    font-size: 12px;
  }

  .mobile-course-layout .view-suggestion {
    display: none;
  }

  .view-suggestion {
    justify-content: flex-start;
    grid-template-columns: auto minmax(0, 1fr) auto auto;
  }

  .legend {
    justify-content: flex-start;
  }

  .schedule-board-header {
    grid-template-columns: 1fr;
    grid-template-areas:
      "views"
      "actions";
  }

  .schedule-actions {
    width: 100%;
    max-width: none;
    justify-items: stretch;
  }

  .schedule-actions {
    min-width: 0;
  }

  .export-tools {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 144px), 1fr));
  }

  .view-toggle {
    min-height: 44px;
    padding: 11px 34px 9px 14px;
    font-size: 15px;
  }
}

@media (max-width: 800px) {
  .calendar-view {
    grid-template-columns: 1fr;
    max-height: none;
    min-height: auto;
    padding: 12px;
  }

  .calendar-weekday {
    display: none;
  }

  .calendar-day {
    min-height: auto;
    gap: 10px;
    padding: 12px;
  }

  .calendar-course,
  .calendar-block {
    gap: 5px;
    padding: 10px 11px;
  }

  .calendar-course strong,
  .calendar-course small,
  .calendar-course span,
  .calendar-block strong,
  .calendar-block small {
    white-space: normal;
    overflow-wrap: anywhere;
    line-height: 1.35;
  }

  .schedule-list,
  .week-view,
  .timeline-view,
  .subject-view,
  .teacher-view,
  .status-view,
  .institution-view {
    max-height: none;
    padding: 12px;
  }

  .week-group-head {
    flex-direction: column;
  }

  .week-metrics {
    justify-content: flex-start;
  }

  .week-grid {
    grid-template-columns: 1fr;
    padding: 10px;
  }

  .week-day {
    min-height: auto;
    gap: 10px;
    padding: 11px;
  }

  .week-course strong,
  .week-course small {
    white-space: normal;
    line-height: 1.4;
  }

  .timeline-day {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .timeline-date {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
  }

  .timeline-item {
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 10px;
    padding: 13px;
  }

  .timeline-time {
    align-items: flex-start;
  }

  .timeline-time strong {
    font-size: 17px;
  }

  .timeline-time span {
    font-size: 13px;
  }

  .timeline-body header {
    gap: 4px;
  }

  .timeline-body strong {
    font-size: 15px;
    line-height: 1.3;
    overflow-wrap: anywhere;
  }

  .timeline-body p {
    margin-top: 5px;
    font-size: 13px;
    line-height: 1.55;
  }

  .timeline-actions {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }

  .timeline-actions .mini-button,
  .timeline-actions select {
    min-height: 38px;
  }

  .timeline-actions {
    gap: 7px;
  }

  .timeline-actions select {
    flex: 1 1 116px;
  }

  .institution-group-head,
  .subject-group-head,
  .teacher-group-head,
  .status-group-head,
  .institution-course,
  .subject-course,
  .teacher-course,
  .status-course {
    grid-template-columns: 1fr;
  }

  .institution-group-head,
  .subject-group-head,
  .teacher-group-head,
  .status-group-head {
    flex-direction: column;
    align-items: stretch;
  }

  .institution-metrics,
  .subject-metrics,
  .teacher-metrics,
  .status-metrics,
  .subject-actions,
  .teacher-actions,
  .status-actions,
  .institution-actions {
    justify-content: flex-start;
  }

  .institution-course-main strong,
  .institution-course-main span,
  .institution-course-main small,
  .subject-course-main strong,
  .subject-course-main span,
  .subject-course-main small,
  .teacher-course-main strong,
  .teacher-course-main span,
  .teacher-course-main small,
  .status-course-main strong,
  .status-course-main span,
  .status-course-main small {
    white-space: normal;
    line-height: 1.45;
  }

  .institution-course-side,
  .subject-course-side,
  .teacher-course-side,
  .status-course-side {
    grid-template-columns: repeat(2, minmax(0, max-content));
    align-items: baseline;
    gap: 6px 10px;
  }
}

@media (max-width: 480px) {
  .export-tools {
    grid-template-columns: 1fr;
  }

  .view-suggestion {
    grid-template-columns: 1fr;
  }

  .view-suggestion .mini-button,
  .view-suggestion .suggestion-dismiss {
    width: 100%;
  }

  .view-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .calendar-day {
    min-height: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .view-mode-group,
  .view-toggle {
    transition: none;
  }

  .calendar-view,
  .week-view,
  .timeline-view,
  .subject-view,
  .teacher-view,
  .institution-view,
  .status-view,
  .schedule-list {
    animation: none;
  }

  .view-toggle,
  .view-toggle:hover,
  .view-toggle:active,
  .view-toggle.active {
    transform: none;
  }
}

@media (max-width: 800px) {
  .timeline-item.time-block .timeline-actions .mini-button {
    min-width: 92px;
  }
}

@media (max-width: 480px) {
  .timeline-item.time-block .timeline-actions .mini-button {
    width: 100%;
  }
}

@media (min-width: 700px) and (max-width: 800px) {
  .content-shell {
    max-width: 780px;
    margin-inline: auto;
    padding: 0 18px calc(98px + var(--safe-bottom));
  }

  .topbar {
    margin: 0 -18px 14px;
    padding-left: 18px;
    padding-right: 18px;
  }

  .sidebar {
    left: 50%;
    width: min(760px, 100%);
    border-radius: 16px 16px 0 0;
    transform: translateX(-50%);
  }

  .workflow-actions {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .user-chip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .user-chip #roleLabel {
    grid-column: auto;
  }

  #masterPage::before,
  #adminPage::before {
    display: none;
  }

  #masterPage .split-layout,
  #adminPage .admin-layout {
    display: grid;
  }

  .main-filters,
  .filter-group {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .main-filters .range-hint {
    grid-column: span 1;
  }

  .segmented {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
  }

  .view-mode-group > div {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .calendar-view,
  .week-grid {
    grid-template-columns: repeat(7, minmax(82px, 1fr));
    gap: 6px;
  }

  .calendar-view {
    max-width: none;
    padding: 12px;
  }

  .calendar-weekday {
    display: block;
  }

  .calendar-day,
  .week-day {
    min-height: 122px;
    padding: 8px;
  }

  .week-grid {
    padding: 10px;
  }

  .week-group-head {
    flex-direction: row;
  }

  .timeline-day {
    grid-template-columns: 86px minmax(0, 1fr);
  }

  .timeline-item {
    grid-template-columns: 68px minmax(0, 1fr);
  }

  .schedule-list,
  .week-view,
  .timeline-view,
  .subject-view,
  .teacher-view,
  .status-view,
  .institution-view {
    padding: 12px;
  }

  .kpis,
  .finance-grid,
  .package-metrics,
  .insight-strip,
  .analytics-grid,
  .stats-analysis-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .settlement-overview-primary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-layout,
  .master-grid,
  .analytics-table-grid,
  .action-row,
  .availability-row,
  .reference-row,
  .child-merge-tool {
    grid-template-columns: 1fr;
  }

  .backup-actions,
  .maintenance-grid,
  .field-choice-grid,
  .field-order-list,
  .smart-insight-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .modal {
    align-items: center;
    padding: max(18px, var(--safe-top)) 18px max(18px, var(--safe-bottom));
  }

  .modal-card {
    max-width: min(680px, 100%);
    max-height: calc(100dvh - 48px - var(--safe-top) - var(--safe-bottom));
    border-radius: 16px;
    padding: 20px;
  }

  .package-modal-card {
    max-width: min(720px, 100%);
  }

  .modal-actions {
    margin: 2px -20px -20px;
    padding-left: 20px;
    padding-right: 20px;
  }

  .field-settings-head,
  .field-order-head,
  .package-card header,
  .package-card footer,
  .package-list-summary {
    align-items: stretch;
    flex-direction: column;
  }

  .field-settings-head > div,
  .field-mode-actions,
  .field-bulk-actions,
  .package-actions,
  .package-actions-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .field-settings-head button,
  .field-mode-actions button,
  .field-bulk-actions button,
  .package-actions button {
    width: 100%;
  }

  .package-filter-bar,
  .shared-package-row,
  .monthly-frequency-card header,
  .explanation-row header {
    grid-template-columns: 1fr;
  }

  .monthly-frequency-card em,
  .explanation-row em {
    justify-self: start;
    white-space: normal;
  }
}

@media (min-width: 801px) and (max-width: 1180px) {
  .main-view {
    grid-template-columns: 188px minmax(0, 1fr);
  }

  .content-shell {
    max-width: 1060px;
    margin-inline: auto;
    padding: 0 14px 28px;
  }

  .topbar {
    margin: 0 -14px 14px;
    padding-left: 14px;
    padding-right: 14px;
  }

  .workflow-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: min(540px, 52vw);
  }

  .user-chip {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 8px;
  }

  .main-filters,
  .filter-group {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .import-result-bar,
  .view-status-bar {
    grid-template-columns: minmax(0, 1fr);
  }

  .view-status-actions {
    grid-auto-flow: row !important;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    min-width: 0 !important;
    width: 100%;
  }

  .view-status-actions .ghost-button {
    width: 100%;
    min-width: 0;
  }

  .main-filters .range-hint {
    grid-column: span 1;
  }

  .segmented {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
  }

  .view-mode-group > div {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .calendar-view,
  .week-grid {
    grid-template-columns: repeat(7, minmax(86px, 1fr));
    max-width: none;
    width: 100%;
  }

  .calendar-weekday {
    display: block;
  }

  .calendar-day,
  .week-day {
    min-height: 120px;
  }

  .admin-layout,
  .master-grid,
  .analytics-table-grid,
  .stats-analysis-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .home-layout,
  .settlement-layout,
  .split-layout {
    grid-template-columns: 1fr;
  }

  .action-row,
  .availability-row,
  .reference-row {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .action-row .mini-button,
  .availability-row .mini-button {
    grid-column: 1 / -1;
    width: 100%;
  }

  .field-settings-head,
  .field-order-head {
    align-items: stretch;
    flex-direction: column;
  }

  .field-settings-head > div,
  .field-mode-actions,
  .field-bulk-actions {
    justify-content: stretch;
  }

  .field-settings-head button,
  .field-mode-actions button,
  .field-bulk-actions button {
    flex: 1 1 120px;
  }

  .package-filter-bar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .shared-package-row {
    grid-template-columns: minmax(0, 1fr) minmax(96px, 0.8fr) minmax(96px, 0.8fr);
  }

  .modal-card {
    max-width: min(720px, calc(100vw - 44px));
  }

  .package-modal-card {
    max-width: min(780px, calc(100vw - 44px));
  }
}

@media (max-width: 800px) {
  .visual-dashboard-grid {
    grid-template-columns: 1fr;
    padding: 14px;
  }

  .visual-dashboard-card.wide {
    grid-column: auto;
  }

  .comparison-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .subject-treemap {
    grid-auto-rows: 68px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    min-height: 280px;
  }
}