/* System font stack — no external font download, so the dashboard works on a
   fully offline college LAN. */

:root {
  /* Minimalist Light Mode Palette */
  --bg-body: #fafafa;
  --bg-surface: #ffffff;
  --text-primary: #111827;
  --text-secondary: #6b7280;
  
  --accent-primary: #000000;
  --accent-hover: #374151;
  --accent-text: #ffffff;
  
  --border-color: #e5e7eb;
  --border-hover: #d1d5db;
  
  /* Event Colors (Subtle Pastels) */
  --event-workshop: #ec4899;
  --event-fdp: #8b5cf6;
  --event-guest: #10b981;
  --event-hackathon: #f59e0b;
  --event-holiday: #22c55e;
  --event-default: #6b7280;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
  
  /* Geometry */
  --radius-md: 8px;
  --radius-lg: 12px;
}

/* Force Light Mode - Removed dark mode media queries */

* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

body {
  zoom: 0.9;
  background-color: var(--bg-body);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  height: calc(100vh / 0.9);
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

.container {
  max-width: 98%;
  height: calc(100vh / 0.9);
  margin: 0 auto;
  padding: 0.75rem 12px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Institution Banner */
.institution-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 0.75rem;
}
.banner-side {
  flex: 1 1 0%;
  min-width: 0;
  display: flex;
  align-items: center;
}
.banner-side.left {
  justify-content: flex-start;
}
.banner-side.right {
  justify-content: flex-end;
  gap: 15px;
}
.inst-logo {
  height: 64px;
  width: auto;
  object-fit: contain;
}
.inst-name {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
  white-space: nowrap;
  display: flex;
  justify-content: center;
  align-items: center;
}

@media (max-width: 600px) {
  .inst-name {
    font-size: 1.1rem;
    padding: 0 10px;
  }
  .inst-logo {
    height: 40px;
  }
  .left-logo {
    height: 56px;
  }
  .btn-primary {
    width: auto;
    height: auto;
    padding: 0 4px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    white-space: normal;
    line-height: 1.1;
  }
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  flex-shrink: 0;
}

.page-title {
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

.glass-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 16px;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.sidebar-card {
  width: 64px;
  min-width: 64px;
  max-width: 64px;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 12px 0;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-card:hover {
  width: 220px;
  min-width: 220px;
  max-width: 220px;
  box-shadow: var(--shadow-md);
}

.glass-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-hover);
}

.btn-primary {
  background-color: var(--accent-primary);
  color: var(--accent-text);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.8rem;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
}

.btn-primary:active {
  transform: scale(0.98);
}

/* Event Tags */
.event-badge {
  display: inline-block;
  padding: 0.25rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.event-badge.workshop { background-color: #fce7f3; color: var(--event-workshop); }
.event-badge.fdp { background-color: #ede9fe; color: var(--event-fdp); }
.event-badge.guest { background-color: #d1fae5; color: var(--event-guest); }
.event-badge.hackathon { background-color: #fef3c7; color: var(--event-hackathon); }
.event-badge.holiday { background-color: #dcfce7; color: var(--event-holiday); }
.event-badge.event { background-color: #f3f4f6; color: var(--event-default); }

/* ── Semester capsule tags ─────────────────────────────────── */
:root {
  --sem-1-bg: #e0e7ff; --sem-1-fg: #3730a3;
  --sem-2-bg: #ccfbf1; --sem-2-fg: #0f766e;
  --sem-3-bg: #fef3c7; --sem-3-fg: #b45309;
  --sem-4-bg: #ffe4e6; --sem-4-fg: #be123c;
  --sem-5-bg: #ede9fe; --sem-5-fg: #6d28d9;
  --sem-6-bg: #cffafe; --sem-6-fg: #0e7490;
  --sem-7-bg: #dcfce7; --sem-7-fg: #15803d;
  --sem-8-bg: #ffedd5; --sem-8-fg: #c2410c;
}

.sem-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.1rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.5;
  white-space: nowrap;
  background: #f3f4f6;
  color: var(--text-secondary);
  border: 1px solid transparent;
}
.sem-tag.sem-1 { background: var(--sem-1-bg); color: var(--sem-1-fg); }
.sem-tag.sem-2 { background: var(--sem-2-bg); color: var(--sem-2-fg); }
.sem-tag.sem-3 { background: var(--sem-3-bg); color: var(--sem-3-fg); }
.sem-tag.sem-4 { background: var(--sem-4-bg); color: var(--sem-4-fg); }
.sem-tag.sem-5 { background: var(--sem-5-bg); color: var(--sem-5-fg); }
.sem-tag.sem-6 { background: var(--sem-6-bg); color: var(--sem-6-fg); }
.sem-tag.sem-7 { background: var(--sem-7-bg); color: var(--sem-7-fg); }
.sem-tag.sem-8 { background: var(--sem-8-bg); color: var(--sem-8-fg); }

.sem-tag.sm { font-size: 0.6rem; padding: 0 0.35rem; }

/* ── Semester filter bar ───────────────────────────────────── */
.sem-filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.sem-filter-bar .sem-filter-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-right: 4px;
}
.sem-chip {
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-secondary);
  border-radius: 9999px;
  padding: 0.45rem 1.05rem;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}
.sem-chip:hover { border-color: var(--border-hover); }
.sem-chip.active { background: var(--accent-primary); color: var(--accent-text); border-color: var(--accent-primary); }
.sem-chip.active.sem-1 { background: var(--sem-1-fg); border-color: var(--sem-1-fg); color: #fff; }
.sem-chip.active.sem-2 { background: var(--sem-2-fg); border-color: var(--sem-2-fg); color: #fff; }
.sem-chip.active.sem-3 { background: var(--sem-3-fg); border-color: var(--sem-3-fg); color: #fff; }
.sem-chip.active.sem-4 { background: var(--sem-4-fg); border-color: var(--sem-4-fg); color: #fff; }
.sem-chip.active.sem-5 { background: var(--sem-5-fg); border-color: var(--sem-5-fg); color: #fff; }
.sem-chip.active.sem-6 { background: var(--sem-6-fg); border-color: var(--sem-6-fg); color: #fff; }
.sem-chip.active.sem-7 { background: var(--sem-7-fg); border-color: var(--sem-7-fg); color: #fff; }
.sem-chip.active.sem-8 { background: var(--sem-8-fg); border-color: var(--sem-8-fg); color: #fff; }

@media (max-width: 900px) {
  .sem-filter-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
  }
  .sem-chip { flex: 0 0 auto; }
}

/* Layout Grid */
.main-layout {
  display: flex;
  gap: 1rem;
  align-items: stretch;
  flex: 1;
  min-height: 0;
}

#calendar-view {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

#calendar-view-container,
#calendar-view .glass-card {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

@media (max-width: 900px) {
  body {
    height: auto;
    overflow: auto;
  }
  .container {
    height: auto;
  }
  .main-layout {
    grid-template-columns: 1fr;
    display: flex;
    flex-direction: column;
  }
  .highlights-sidebar {
    order: 2;
  }
  #calendar-view-container {
    order: 1;
  }
  .header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .page-title {
    font-size: 1.4rem;
  }
  #calendarBody {
    grid-template-rows: repeat(6, minmax(0, 1fr)) !important;
    aspect-ratio: 7 / 6;
    height: auto !important;
  }
  .calendar-day {
    overflow: hidden;
  }
  .calendar-day .event-badge {
    font-size: 10px;
    padding: 2px 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

/* --- Animations & Loading Spinner --- */
.spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
  margin-right: 8px;
  vertical-align: middle;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes fadeInRow {
  0% {
    opacity: 0;
    transform: translateY(10px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-row {
  opacity: 0; /* Start hidden for staggered animation */
  animation: fadeInRow 0.4s ease forwards;
}

/* Accessibility Focus */
*:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.4s ease-out forwards;
}

/* Highlights Sidebar */
.highlights-sidebar {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  overflow-y: auto;
  min-height: 0;
  padding-right: 10px;
  scrollbar-width: thin;
}

.highlights-sidebar {
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  gap: 1rem;
  padding-right: 5px;
}

.highlights-sidebar .glass-card {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  min-height: min-content;
  padding: 12px;
}

.center-logo {
  height: 90px !important;
}

.sidebar-section-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.highlight-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.highlight-item {
  padding: 14px 18px;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  font-size: 1.05rem;
  transition: border-color 0.2s ease;
  flex-shrink: 0;
}

.highlight-item:hover {
  border-color: var(--accent-primary);
}

.highlight-item strong {
  display: block;
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-primary);
}

/* Calendar */
.calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.calendar-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.calendar-nav-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.calendar-nav-btn:hover {
  background: #f9fafb;
  border-color: var(--border-hover);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px; /* Creates clean borders via container background */
  background: var(--border-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

#calendarBody {
  flex: 1;
  grid-template-rows: repeat(6, minmax(0, 1fr));
  min-height: 0;
}

.calendar-day-header {
  text-align: center;
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0.5rem 0;
  background: var(--bg-surface);
}

.calendar-day {
  min-height: 0;
  overflow: hidden;
  background: var(--bg-surface);
  padding: 8px;
  transition: background-color 0.2s;
  display: flex;
  flex-direction: column;
}

.calendar-day:hover {
  background: #f9fafb;
}

.calendar-day.has-event {
  background-color: #eff6ff; /* light blue background */
}

.calendar-day.has-event:hover {
  background-color: #dbeafe; /* darker blue on hover */
}

.calendar-day.inactive {
  background: #fdfdfd;
  color: var(--text-secondary);
}

.calendar-day.is-holiday {
  background-color: #dcfce7;
  border-left: 2px solid var(--event-holiday);
}
.calendar-day.is-holiday:hover {
  background-color: #bbf7d0;
}

.calendar-day.inactive .date-number {
  color: #9ca3af;
}

.calendar-day.today .date-number {
  background-color: #ef4444;
  color: white;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin-left: -4px;
}

.date-number {
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 8px;
  display: block;
  color: var(--text-primary);
}

.calendar-event {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  margin-bottom: 4px;
  background: #f3f4f6;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  border-left: 2px solid transparent;
}

.calendar-event.workshop { border-left-color: var(--event-workshop); }
.calendar-event.fdp { border-left-color: var(--event-fdp); }
.calendar-event.guest { border-left-color: var(--event-guest); }
.calendar-event.hackathon { border-left-color: var(--event-hackathon); }
.calendar-event.holiday { border-left-color: var(--event-holiday); }
.calendar-event.event { border-left-color: var(--event-default); }

.calendar-event .sem-tag {
  margin-right: 4px;
  flex: 0 0 auto;
}
.calendar-event .ce-title {
  overflow: hidden;
  text-overflow: ellipsis;
}
.calendar-event.has-sem {
  display: flex;
  align-items: center;
}

/* event card in the day-detail modal / highlights */
.event-line-head {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
}
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}
.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-size: 0.875rem;
  transition: border-color 0.2s ease;
}
.form-input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

/* Tables */
.admin-table {
  width: 100%;
  text-align: left;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.admin-table th {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-weight: 500;
}

.admin-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

/* Enlarge Checkboxes */
#selectAllCheckbox, .row-checkbox {
  width: 1.25rem;
  height: 1.25rem;
  cursor: pointer;
  accent-color: var(--accent-primary);
}

/* Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  width: 90%;
  max-width: 500px;
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 24px;
}

/* --- NEW LAYOUT STYLES --- */
.app-layout {
  display: flex;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

.sidebar {
  width: 250px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.sidebar-logo {
  height: 60px;
  object-fit: contain;
}

.sidebar-nav {
  padding: 16px 0;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 20px 20px 17px;
  font-weight: 500;
  font-size: 15.5px;
  color: var(--text-secondary);
  transition: all 0.2s;
  border-left: 3px solid transparent;
  white-space: nowrap;
}

.nav-link span {
  opacity: 0;
  transform: translateX(-10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.sidebar-card:hover .nav-link span {
  opacity: 1;
  transform: translateX(0);
  transition-delay: 0.1s;
}

.nav-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.nav-link:hover {
  background: #f9fafb;
  color: var(--text-primary);
}

.more-option-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
}

.more-option-link:hover {
  background: #f9fafb;
  color: var(--text-primary);
  border-color: var(--accent-primary);
}

.nav-link.active {
  background: #eff6ff;
  color: var(--text-primary);
  border-left-color: var(--accent-primary);
  font-weight: 600;
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-body);
}

.tab-container {
  flex: 1;
  padding: 0 24px 24px 24px;
  overflow-y: auto;
}

.tab-content {
  display: none;
  animation: fadeIn 0.3s ease-out forwards;
}

.tab-content.active {
  display: block;
}

#tab-calendar.active {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  height: 100%;
}

.two-col-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.card-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 400px;
  overflow-y: auto;
}

.record-card {
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
}

.record-card h4 {
  margin-bottom: 4px;
  font-size: 1rem;
}
.record-card p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 2px;
}

.mobile-only { display: none !important; }
.desktop-only { display: block; }

/* In flex contexts, desktop-only should be display: flex */
.nav-link.desktop-only { display: flex; }

@media (max-width: 900px) {
  .container {
    height: auto;
    min-height: 100vh;
    overflow: auto;
  }
  
  .mobile-only { display: inline-flex !important; }
  .desktop-only { display: none !important; }

  .main-layout {
    flex-direction: column;
    padding-bottom: 80px; /* Space for fixed bottom tab bar */
  }
  
  .sidebar-card, .sidebar-card:hover {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100% !important;
    min-width: 100% !important;
    max-width: 100% !important;
    height: auto;
    border-radius: 0;
    border-top: 1px solid var(--border-color);
    border-right: none;
    border-left: none;
    border-bottom: none;
    padding: 0;
    margin: 0;
    z-index: 1000;
    background: var(--bg-surface);
    box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.05);
  }
  
  .sidebar-nav {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
    width: 100%;
    padding: 10px 4px 20px 4px; /* padding-bottom for iOS home indicator */
    box-sizing: border-box;
  }
  
  .nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    border: none !important;
    padding: 4px;
    gap: 4px;
    flex: 1;
    color: var(--text-secondary);
  }
  
  .nav-link span {
    opacity: 1;
    transform: none;
    font-size: 10px;
    font-weight: 500;
  }
  
  .nav-link.active {
    color: var(--accent-primary);
  }

  .nav-link.active .nav-icon {
    background: #e0f2fe;
    color: var(--accent-primary);
    border-radius: 8px;
    padding: 4px;
    width: 28px;
    height: 28px;
    box-sizing: border-box;
  }


  
  .two-col-grid {
    grid-template-columns: 1fr;
  }
  
  #tab-calendar > div {
    grid-template-columns: 1fr !important;
    display: flex !important;
    flex-direction: column;
  }

  /* keep the semester filter a horizontal scroll strip, not a stack */
  #tab-calendar > .sem-filter-bar {
    flex-direction: row !important;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 6px;
  }
  .sem-filter-bar .sem-filter-label { display: none; }
  .sem-chip { flex: 0 0 auto; padding: 0.4rem 0.85rem; font-size: 0.85rem; }

  /* mobile calendar cells are tiny dots — don't try to fit a tag inside */
  .calendar-event .sem-tag { display: none; }
  .calendar-event.has-sem { display: block; }

  .highlights-sidebar {
    order: 2;
    padding: 0;
  }

  #calendar-view-container {
    order: 1;
  }
  
  #calendarBody {
    min-height: 400px;
    grid-template-rows: repeat(6, 1fr);
  }
  
  .calendar-day {
    flex-direction: row;
    flex-wrap: wrap;
    align-content: flex-start;
    gap: 4px;
    padding: 6px;
  }

  .date-number {
    width: 100%;
    margin-bottom: 2px;
  }

  .calendar-event {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    padding: 0;
    margin: 0;
    border: none !important;
    color: transparent;
    overflow: hidden;
    white-space: nowrap;
    text-indent: -9999px;
    display: inline-block;
  }

  /* Solid background colors for dots instead of left borders */
  .calendar-event.workshop { background-color: var(--event-workshop); }
  .calendar-event.fdp { background-color: var(--event-fdp); }
  .calendar-event.guest { background-color: var(--event-guest); }
  .calendar-event.hackathon { background-color: var(--event-hackathon); }
  .calendar-event.holiday { background-color: var(--event-holiday); }
  .calendar-event.event { background-color: var(--event-default); }
  
  .institution-banner {
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
  }
}