/* ============================================
   ROLW Church Web App - Stylesheet
   ============================================ */

/* --- Custom Properties --- */
:root {
  --color-dark-navy: #071952;
  --color-white: #FFFFFF;
  --color-teal: #088395;
  --color-light-teal: #37B7C3;
  --color-ice: #EBF4F6;

  --font-heading: 'Helvetica', Arial, sans-serif;
  --font-body: 'Garamond', 'Times New Roman', serif;

  --sidebar-width: 220px;
}

/* --- Reset --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
}

img,
picture,
svg {
  display: block;
  max-width: 100%;
}

/* --- Base Typography --- */
body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-dark-navy);
  background-color: var(--color-white);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--color-dark-navy);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.625rem; }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
  margin-bottom: 1rem;
}

a {
  color: var(--color-dark-navy);
  text-decoration: none;
}

a:hover {
  color: var(--color-light-teal);
}

/* --- Layout --- */
.site-layout {
  min-height: 100vh;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1rem;
}

.site-content {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--color-ice);
}

/* --- Sidebar Navigation --- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background-color: var(--color-dark-navy);
  padding: 0;
  overflow-y: auto;
  z-index: 100;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
}

.site-nav.open {
  transform: translateX(0);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1.25rem 1.5rem;
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: bold;
  letter-spacing: 0.03em;
}

.nav-brand i {
  font-size: 1.3rem;
  color: var(--color-light-teal);
}

.nav-divider {
  height: 1px;
  background-color: rgba(255, 255, 255, 0.1);
  margin: 0 1rem;
}

.nav-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.75rem 0;
  flex: 1;
}

.site-nav a {
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.65rem 1.5rem;
  display: block;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
  border-left: 3px solid transparent;
}

.site-nav a i {
  width: 1.25rem;
  text-align: center;
  margin-right: 0.6rem;
}

.site-nav a:hover {
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.05);
}

.site-nav a.nav-active {
  color: var(--color-light-teal);
  background-color: rgba(55, 183, 195, 0.1);
  border-left-color: var(--color-light-teal);
}

.nav-bottom {
  padding-bottom: 1rem;
}

.nav-signout {
  display: block;
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.65rem 1.5rem;
  margin-top: 0.5rem;
  transition: color 0.2s ease;
  border-left: 3px solid transparent;
}

.nav-signout i {
  width: 1.25rem;
  text-align: center;
  margin-right: 0.6rem;
}

.nav-signout:hover {
  color: #ff6b6b;
}

/* --- Hamburger Toggle --- */
.nav-toggle {
  display: block;
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 200;
  background-color: var(--color-dark-navy);
  color: var(--color-white);
  border: none;
  font-size: 1.5rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 4px;
  cursor: pointer;
  line-height: 1;
}

.nav-toggle:hover {
  background-color: var(--color-teal);
}

/* --- Weather Bar --- */
.weather-bar {
  display: flex;
  justify-content: flex-end;
  padding: 0.75rem 1rem;
}

.weather-widget {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background-color: var(--color-white);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  box-shadow: 0 1px 4px rgba(7, 25, 82, 0.06);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  color: var(--color-dark-navy);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.weather-widget i {
  color: var(--color-light-teal);
  font-size: 1rem;
}

#weather-temp {
  font-weight: bold;
  font-size: 0.9rem;
}

.weather-hilo {
  color: var(--color-teal);
  font-size: 0.75rem;
}

.weather-city {
  color: var(--color-teal);
  font-size: 0.75rem;
}

/* --- Main Content --- */
.site-main {
  padding: 1.5rem 0;
  flex: 1;
}

.site-main section {
  margin-bottom: 2rem;
}

.site-main section h2 {
  margin-bottom: 0.25rem;
  padding-bottom: 0;
  border-bottom: none;
  font-size: 1.5rem;
}

.welcome-subtitle {
  color: var(--color-teal);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

/* --- Dashboard Grid & Cards --- */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.dash-card {
  background-color: var(--color-white);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(7, 25, 82, 0.12), 0 6px 24px rgba(7, 25, 82, 0.10);
  transition: box-shadow 0.2s ease;
}

.dash-card:hover {
  box-shadow: 0 4px 14px rgba(7, 25, 82, 0.18), 0 10px 36px rgba(7, 25, 82, 0.14);
}

.dash-card-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 1rem;
  background-color: rgba(55, 183, 195, 0.15);
  color: var(--color-teal);
}

.dash-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}

.dash-card p {
  color: var(--color-teal);
  font-size: 0.9rem;
  margin-bottom: 0;
}

.dash-card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.dash-card-header i {
  color: var(--color-light-teal);
  font-size: 1rem;
}

.dash-card-header h4 {
  font-size: 1rem;
  margin: 0;
}

/* --- Upcoming Events List --- */
.upcoming-events-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.upcoming-events-list li {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--color-ice);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
}

.upcoming-events-list li:last-child {
  border-bottom: none;
}

.upcoming-event-title {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: bold;
  color: var(--color-dark-navy);
}

.upcoming-event-meta {
  font-size: 0.8rem;
  color: var(--color-teal);
  white-space: nowrap;
}

.upcoming-empty {
  color: var(--color-teal);
  font-size: 0.9rem;
  padding: 0.5rem 0;
}

/* --- Departments List --- */
.departments-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.departments-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--color-ice);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: var(--color-dark-navy);
}

.departments-list li:last-child {
  border-bottom: none;
}

.departments-list li i {
  color: var(--color-light-teal);
  font-size: 0.8rem;
}

.dept-empty {
  color: var(--color-teal);
  font-size: 0.9rem;
  padding: 0.5rem 0;
}

/* --- Stat Card --- */
.dash-card-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem 1.5rem;
}

.stat-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-teal);
  margin-bottom: 0.35rem;
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: bold;
  color: var(--color-dark-navy);
  line-height: 1.1;
}

/* --- Footer --- */
.site-footer {
  background-color: var(--color-ice);
  color: var(--color-teal);
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.875rem;
}

.site-footer a {
  color: var(--color-light-teal);
}

.site-footer a:hover {
  color: var(--color-dark-navy);
}

/* --- Sign-Up Page --- */
.signup-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background-color: var(--color-dark-navy);
  padding: 1.5rem;
}

.signup-card {
  background-color: var(--color-white);
  border-radius: 8px;
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
  text-align: center;
}

.signup-card h1 {
  margin-bottom: 0.25rem;
}

.signup-card > p {
  color: var(--color-teal);
  margin-bottom: 1.5rem;
}

.password-recovery-section {
  margin-top: 0.5rem;
  text-align: left;
}

.password-recovery-section .recovery-heading {
  text-align: center;
  margin-bottom: 0.5rem;
}

.password-recovery-section .recovery-intro {
  text-align: center;
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  color: var(--color-dark-navy);
}

/* --- Form Styles --- */
.signup-form {
  text-align: left;
}

.form-group {
  margin-bottom: 1.125rem;
}

.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-dark-navy);
  margin-bottom: 0.35rem;
}

.form-group input {
  width: 100%;
  padding: 0.625rem 0.75rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-dark-navy);
  background-color: var(--color-white);
  border: 1px solid var(--color-teal);
  border-radius: 4px;
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-light-teal);
  box-shadow: 0 0 0 3px rgba(55, 183, 195, 0.25);
}

.form-group textarea {
  width: 100%;
  padding: 0.625rem 0.75rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-dark-navy);
  background-color: var(--color-white);
  border: 1px solid var(--color-teal);
  border-radius: 4px;
  transition: border-color 0.2s ease;
  resize: vertical;
}

.btn-signup {
  display: block;
  width: 100%;
  padding: 0.75rem;
  margin-top: 0.5rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-dark-navy);
  background-color: var(--color-light-teal);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.btn-signup:hover {
  background-color: #2A9DA8;
}

.form-error {
  color: #d9534f;
  font-size: 0.875rem;
  margin-top: 0.75rem;
  margin-bottom: 0;
  min-height: 1.25rem;
}

.signup-login-link {
  margin-top: 1.25rem;
  font-size: 0.9rem;
  color: var(--color-teal);
}

.signup-login-link a {
  color: var(--color-dark-navy);
  font-weight: bold;
}

.signup-login-link a:hover {
  color: var(--color-light-teal);
}

/* --- Calendar --- */
.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.calendar-header h3 {
  margin: 0;
  font-size: 1.25rem;
}

.cal-nav-btn {
  background: none;
  border: 1px solid var(--color-teal);
  border-radius: 4px;
  padding: 0.4rem 0.75rem;
  font-size: 0.9rem;
  color: var(--color-dark-navy);
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.cal-nav-btn:hover {
  background-color: var(--color-light-teal);
  border-color: var(--color-light-teal);
  color: var(--color-dark-navy);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  background-color: #c8dfe3;
  border: 1px solid #c8dfe3;
  border-radius: 4px;
  overflow: hidden;
}

.calendar-day-header {
  background-color: var(--color-dark-navy);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-align: center;
  padding: 0.5rem 0.25rem;
}

.calendar-day {
  background-color: var(--color-white);
  min-height: 5rem;
  padding: 0.35rem;
  vertical-align: top;
}

.calendar-day-empty {
  background-color: #EBF4F6;
}

.calendar-date-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: bold;
  color: var(--color-dark-navy);
  margin-bottom: 0.25rem;
}

.calendar-event {
  font-size: 0.7rem;
  font-family: var(--font-heading);
  background-color: var(--color-light-teal);
  color: var(--color-dark-navy);
  padding: 0.15rem 0.35rem;
  border-radius: 3px;
  margin-bottom: 0.2rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
}

.calendar-event:hover {
  background-color: #2A9DA8;
}

.btn-add-event {
  margin-top: 1rem;
  padding: 0.6rem 1.25rem;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-dark-navy);
  background-color: var(--color-light-teal);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.btn-add-event:hover {
  background-color: #2A9DA8;
}

/* --- Event Modal --- */
.event-modal {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
}

.event-modal-content {
  background-color: var(--color-white);
  border-radius: 8px;
  padding: 2rem;
  width: 90%;
  max-width: 400px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}

.event-modal-content h3 {
  margin-bottom: 1rem;
}

.event-modal-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.event-modal-actions .btn-signup {
  flex: 1;
  margin-top: 0;
}

.btn-cancel {
  flex: 1;
  padding: 0.75rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-dark-navy);
  background-color: var(--color-ice);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.btn-cancel:hover {
  background-color: #c8dfe3;
}

/* --- Event Detail Popup --- */
.detail-field {
  margin-bottom: 0.875rem;
}

.detail-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-teal);
  margin-bottom: 0.2rem;
}

.detail-field p {
  margin-bottom: 0;
  white-space: pre-wrap;
}

#detail-delete-btn:hover {
  background-color: #c9302c;
}

/* --- Users Table --- */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.users-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.users-table th {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-align: left;
  padding: 0.75rem 1rem;
  background-color: var(--color-dark-navy);
  color: var(--color-white);
}

.users-table td {
  padding: 0.625rem 1rem;
  border-bottom: 1px solid #c8dfe3;
  vertical-align: middle;
}

.users-table tbody tr:nth-child(even) {
  background-color: #EBF4F6;
}

.users-table tbody tr:hover {
  background-color: rgba(55, 183, 195, 0.1);
}

.role-select {
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.5rem;
  border: 1px solid var(--color-teal);
  border-radius: 4px;
  background-color: var(--color-white);
  color: var(--color-dark-navy);
  cursor: pointer;
}

.role-select:focus {
  outline: none;
  border-color: var(--color-light-teal);
  box-shadow: 0 0 0 3px rgba(55, 183, 195, 0.25);
}

.role-select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* --- Donation Form --- */
.donation-form-wrap {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid #c8dfe3;
}

.donation-form-wrap h3 {
  margin-bottom: 1rem;
}

.donation-form {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
}

.donation-form .form-group {
  flex: 1;
  min-width: 180px;
  margin-bottom: 0;
}

.donation-form .btn-add-event {
  margin-top: 0;
  align-self: flex-end;
  white-space: nowrap;
}

.donation-message {
  font-size: 0.875rem;
  margin-top: 0.75rem;
  margin-bottom: 0;
  min-height: 1.25rem;
}

.donation-success {
  color: var(--color-teal);
}

.donation-error {
  color: #d9534f;
}

/* --- Department Checkbox Group --- */
.dept-checkbox-group {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem 1.5rem;
  margin-bottom: 1rem;
}

.dept-checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  color: var(--color-dark-navy);
  cursor: pointer;
  padding: 0.35rem 0;
}

.dept-checkbox-label input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--color-teal);
  cursor: pointer;
  flex-shrink: 0;
}

/* --- Department To-Do Cards --- */
.dept-todo-section {
  margin-top: 2rem;
}

.dept-todo-section h3 {
  font-size: 1.15rem;
  margin-bottom: 1rem;
  color: var(--color-dark-navy);
}

.dept-todo-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.dept-todo-card {
  background-color: var(--card-bg, var(--color-white));
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(7, 25, 82, 0.12), 0 6px 24px rgba(7, 25, 82, 0.10);
  transition: box-shadow 0.2s ease;
}

.dept-todo-card:hover {
  box-shadow: 0 4px 14px rgba(7, 25, 82, 0.18), 0 10px 36px rgba(7, 25, 82, 0.14);
}

.dept-todo-card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.dept-todo-card-header i {
  color: var(--card-accent, var(--color-light-teal));
  font-size: 1rem;
}

.dept-todo-card-header h4 {
  font-size: 1rem;
  font-weight: bold;
  color: var(--color-dark-navy);
  margin: 0;
}

.todo-list {
  margin-bottom: 0.75rem;
}

.todo-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--color-ice);
}

.todo-item:last-child {
  border-bottom: none;
}

.todo-item input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--card-accent, var(--color-teal));
  cursor: pointer;
  flex-shrink: 0;
}

.todo-item-label {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: var(--color-dark-navy);
  flex: 1;
}

.todo-item.done .todo-item-label {
  text-decoration: line-through;
  opacity: 0.5;
}

.todo-delete-btn {
  background: none;
  border: none;
  color: rgba(7, 25, 82, 0.3);
  cursor: pointer;
  font-size: 0.75rem;
  padding: 0.2rem;
  transition: color 0.2s ease;
}

.todo-delete-btn:hover {
  color: #d9534f;
}

.todo-empty-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  width: 100%;
  padding: 0.75rem;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: bold;
  color: var(--card-accent, var(--color-teal));
  background-color: var(--color-ice);
  border: 2px dashed var(--card-accent, var(--color-teal));
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.todo-empty-btn:hover {
  background-color: #daeef1;
}

.todo-add-form {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.todo-add-input {
  flex: 1;
  padding: 0.45rem 0.65rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-dark-navy);
  border: 1px solid var(--color-teal);
  border-radius: 6px;
  background-color: var(--color-white);
  transition: border-color 0.2s ease;
}

.todo-add-input:focus {
  outline: none;
  border-color: var(--card-accent, var(--color-light-teal));
  box-shadow: 0 0 0 3px rgba(55, 183, 195, 0.25);
}

.todo-add-btn {
  padding: 0.45rem 0.7rem;
  background-color: var(--card-accent, var(--color-teal));
  color: var(--color-white);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8rem;
  transition: opacity 0.2s ease;
}

.todo-add-btn:hover {
  opacity: 0.85;
}

/* ============================================
   Responsive Breakpoints (Mobile-First)
   ============================================ */

/* --- Tablet (768px and up) --- */
@media (min-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.625rem; }
  h4 { font-size: 1.375rem; }

  .weather-bar {
    padding: 1rem 2rem;
  }

  .weather-widget {
    font-size: 0.85rem;
    padding: 0.5rem 1.25rem;
  }

  .site-nav {
    transform: translateX(0);
  }

  .nav-toggle {
    display: none;
  }

  .site-content {
    margin-left: var(--sidebar-width);
  }

  .site-main {
    padding: 2rem 0;
  }

  .dashboard-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .dept-checkbox-group {
    grid-template-columns: repeat(2, 1fr);
  }

  .dept-todo-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .calendar-day {
    min-height: 6rem;
  }
}

/* --- Desktop (1024px and up) --- */
@media (min-width: 1024px) {
  :root {
    --sidebar-width: 250px;
  }

  h1 { font-size: 3rem; }
  h2 { font-size: 2.25rem; }
  h3 { font-size: 1.75rem; }
  h4 { font-size: 1.5rem; }

  .site-main {
    padding: 2.5rem 0;
  }

  .dashboard-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .dept-todo-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .calendar-day {
    min-height: 7rem;
    padding: 0.5rem;
  }

  .calendar-event {
    font-size: 0.75rem;
  }
}