:root {
  --primary: #0d6efd;
  --primary-dark: #0b5ed7;
  --page: #f6f7fb;          /* Solid page background fixes the "column" */
  --card-bg: #ffffff;
  --radius: 16px;
  --transition: 0.25s ease;
}

/* Reset & base */
* { box-sizing: border-box; }
html { height: 100%; }
body {
  min-height: 100svh;
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--page);
  display: grid;
  place-items: center;       /* centers the card */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- Card ---------- */
.card {
  width: 100%;
  max-width: 420px;
  padding: 32px 28px 36px;
  background: var(--card-bg);       /* solid white, no frosted blur */
  border-radius: var(--radius);
  box-shadow: 0 12px 30px rgba(16, 24, 40, 0.08);
  text-align: center;
  animation: fade-in 0.45s ease both;
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.logo {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--primary);
}

.subtitle {
  font-size: 0.95rem;
  color: #6b7280;
  margin-bottom: 24px;
}

/* ---------- Form ---------- */
.field { position: relative; margin-bottom: 14px; }

.field input {
  width: 100%;
  padding: 14px 44px 14px 14px;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  background: #f9fafb;
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.field input:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(13, 110, 253, 0.12);
}

.toggle-password {
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  border: none;
  background: none;
  cursor: pointer;
  font-size: 1rem;
  color: #9ca3af;
  padding: 2px 6px;
  border-radius: 8px;
}

.toggle-password:hover { color: var(--primary); }

/* ---------- Button ---------- */
.btn {
  width: 100%;
  padding: 14px;
  margin-top: 6px;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  background: var(--primary);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: background var(--transition), transform 0.05s ease;
}

.btn:hover,
.btn:focus-visible { background: var(--primary-dark); }
.btn:active { transform: translateY(1px); }

/* ---------- Messages ---------- */
#message {
  margin-top: 14px;
  font-size: 0.93rem;
  font-weight: 500;
  min-height: 1.2em;
}

.error { color: #d52731; }
.success { color: #269f53; }

/* ---------- Logout button ---------- */
/* Tiny logout icon (top-left of the page) */
.logout-icon {
  position: fixed;
  top: 12px;
  left: 12px;
  width: 26px;
  height: 26px;
  padding: 0;
  border: none;
  border-radius: 9999px;
  display: grid;
  place-items: center;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(16, 24, 40, 0.12);
  transition: background var(--transition), transform 0.05s ease;
  z-index: 1000;
}
.logout-icon i {
  font-size: 14px;   /* slightly larger than before */
  line-height: 1;
}

.logout-icon:hover { background: var(--primary-dark); }
.logout-icon:active { transform: translateY(1px); }

/* ---------- Submissions Container ---------- */
.submissions-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  animation: fade-in 0.45s ease both;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1f2937;
  margin-bottom: 20px;
  text-align: center;
}

/* ---------- Filter Bar ---------- */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  background: var(--card-bg);
  padding: 16px 20px;
  border-radius: var(--radius);
  box-shadow: 0 4px 12px rgba(16, 24, 40, 0.06);
}

.filter-bar label {
  font-size: 0.9rem;
  font-weight: 500;
  color: #374151;
}

.filter-bar input[type="date"] {
  padding: 10px 14px;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.filter-bar input[type="date"]:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.12);
}

.filter-btn {
  padding: 10px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  background: var(--primary);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background var(--transition);
}

.filter-btn:hover { background: var(--primary-dark); }

.filter-btn.secondary {
  background: #6b7280;
}

.filter-btn.secondary:hover {
  background: #4b5563;
}

/* ---------- Table ---------- */
.table-wrapper {
  overflow-x: auto;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: 0 4px 12px rgba(16, 24, 40, 0.06);
}

.submissions-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.submissions-table th,
.submissions-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid #e5e7eb;
}

.submissions-table th {
  background: #f9fafb;
  font-weight: 600;
  color: #374151;
  white-space: nowrap;
}

.submissions-table tbody tr:hover {
  background: #f3f4f6;
}

.submissions-table tbody tr:last-child td {
  border-bottom: none;
}

.submissions-table a {
  color: var(--primary);
  text-decoration: none;
}

.submissions-table a:hover {
  text-decoration: underline;
}

/* ---------- Loading & Empty State ---------- */
.loading, .empty-state {
  text-align: center;
  padding: 40px 20px;
  color: #6b7280;
  font-size: 1rem;
}

.loading i {
  margin-right: 8px;
}

/* ---------- Pagination ---------- */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.pagination button {
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border: 1px solid #e5e7eb;
  background: var(--card-bg);
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  color: #374151;
  cursor: pointer;
  transition: all var(--transition);
}

.pagination button:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
}

.pagination button.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.pagination button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .submissions-container {
    padding: 12px;
  }
  
  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }
  
  .submissions-table th,
  .submissions-table td {
    padding: 10px 12px;
    font-size: 0.85rem;
  }
}




/* Clickable Lesson ID in table */
.lesson-link {
  color: var(--primary);
  cursor: pointer;
  font-weight: 500;
}

.lesson-link:hover {
  text-decoration: underline;
}

/* ---------- Date Navigation ---------- */
.date-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 20px;
  background: var(--card-bg);
  padding: 12px 20px;
  border-radius: var(--radius);
  box-shadow: 0 4px 12px rgba(16, 24, 40, 0.06);
}

.date-nav-btn {
  width: 36px;
  height: 36px;
  border: 1px solid #e5e7eb;
  background: #f9fafb;
  border-radius: 10px;
  cursor: pointer;
  display: grid;
  place-items: center;
  color: #374151;
  transition: all var(--transition);
}

.date-nav-btn:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
  background: #fff;
}

.date-nav-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.date-display {
  font-size: 1rem;
  font-weight: 600;
  color: #1f2937;
  min-width: 140px;
  text-align: center;
}

/* ---------- Cards Grid ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.submission-card-item {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: 0 4px 12px rgba(16, 24, 40, 0.06);
  padding: 16px;
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.submission-card-item:hover {
  box-shadow: 0 8px 20px rgba(16, 24, 40, 0.1);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.card-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: #1f2937;
  line-height: 1.3;
}

.card-email-hint {
  font-size: 0.8rem;
  color: #6b7280;
  font-weight: 400;
}

.card-time {
  font-size: 0.75rem;
  color: #9ca3af;
  white-space: nowrap;
}

.card-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.card-field {
  background: #f9fafb;
  padding: 8px 10px;
  border-radius: 8px;
}

.card-field.full-width {
  grid-column: 1 / -1;
}

.card-label {
  font-size: 0.7rem;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.card-value {
  font-size: 0.85rem;
  color: #374151;
  font-weight: 500;
}

.card-value a {
  color: var(--primary);
  text-decoration: none;
}

.card-value a:hover {
  text-decoration: underline;
}

.card-icons {
  display: flex;
  gap: 12px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid #e5e7eb;
}

.card-icon-link {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
  color: var(--primary);
  text-decoration: none;
}

.card-icon-link:hover {
  text-decoration: underline;
}

.card-icon-link i {
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .card-body {
    grid-template-columns: 1fr;
  }
  
  .card-field.full-width {
    grid-column: 1;
  }
}



/* ---------- Improved Card Design ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.submission-card-item {
  position: relative;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(16, 24, 40, 0.06);
  padding: 16px;
  transition: all var(--transition);
  cursor: pointer;
  border: 1px solid #e5e7eb;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.submission-card-item:hover {
  box-shadow: 0 8px 25px rgba(16, 24, 40, 0.12);
  border-color: var(--primary);
  transform: translateY(-3px);
}

/* ---------- Copy Button ---------- */
.copy-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border: none;
  background: #f1f5f9;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #64748b;
  opacity: 0;
  transition: all 0.2s ease;
}

.submission-card-item:hover .copy-btn {
  opacity: 1;
}

.copy-btn:hover {
  background: var(--primary);
  color: #fff;
}

.copy-btn.copied {
  background: #22c55e;
  color: #fff;
  opacity: 1;
}

.copy-btn i {
  font-size: 0.85rem;
}



.card-main {
  display: flex;
  align-items: center;
  gap: 12px;
}

.card-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, #6366f1 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.card-info {
  flex: 1;
  min-width: 0;
}

.card-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: #1f2937;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-email {
  font-size: 0.8rem;
  color: #6b7280;
  margin-top: 2px;
}




/* ---------- Improved Pagination ---------- */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  margin-top: 24px;
  flex-wrap: wrap;
  padding: 16px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(16, 24, 40, 0.06);
}

.pagination button {
  padding: 8px 14px;
  border: 1px solid #e5e7eb;
  background: var(--card-bg);
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  color: #374151;
  cursor: pointer;
  transition: all var(--transition);
}

.pagination button:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
  background: #eff6ff;
}

.pagination button.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.pagination-day {
  min-width: 70px;
}

/* ---------- Filter Bar Improvements ---------- */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  background: var(--card-bg);
  padding: 14px 18px;
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(16, 24, 40, 0.06);
  border: 1px solid #e5e7eb;
}

.filter-bar label {
  font-size: 0.9rem;
  font-weight: 500;
  color: #374151;
}

.filter-bar input[type="date"] {
  padding: 10px 14px;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.filter-bar input[type="date"]:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.12);
}

.filter-btn {
  padding: 10px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  background: var(--primary);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.filter-btn:hover {
  background: var(--primary-dark);
}

.filter-btn.secondary {
  background: #6b7280;
}

.filter-btn.secondary:hover {
  background: #4b5563;
}

/* ---------- Submission Count in Filter Bar ---------- */
.submission-count {
  margin-left: auto;
  padding: 8px 14px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(13, 110, 253, 0.25);
}


/* ---------- Card Main Layout Update ---------- */
.card-main {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ---------- Card Lesson Info ---------- */
.card-lesson-info {
  background: #f8fafc;
  border-radius: 10px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.lesson-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.lesson-type {
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.lesson-type.main {
  background: #dbeafe;
  color: #1d4ed8;
}

.lesson-type.short {
  background: #fef3c7;
  color: #b45309;
}


.lesson-level {
  padding: 3px 10px;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #fff;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 700;
}

.lesson-email {
  font-size: 0.8rem;
  color: #64748b;
  font-weight: 500;
}

.lesson-dates {
  padding-top: 6px;
  border-top: 1px dashed #e2e8f0;
  margin-top: 2px;
}

.lesson-submit {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  color: #64748b;
  padding: 4px 8px;
  background: #f0fdf4;
  border-radius: 6px;
  border: 1px solid #bbf7d0;
}

.lesson-submit i {
  font-size: 0.7rem;
  color: #22c55e;
}

.card-lesson-fallback {
  background: #f3f4f6;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 0.8rem;
  color: #374151;
  word-break: break-all;
}

@media (max-width: 768px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .pagination {
    gap: 4px;
  }
  
  .pagination button {
    padding: 6px 10px;
    font-size: 0.8rem;
  }
  
  .pagination-day {
    min-width: 60px;
  }
  
  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }
  
  .submission-count {
    margin-left: 0;
    text-align: center;
  }
  
  .card-main {
    flex-wrap: wrap;
  }
  
  .lesson-dates {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ---------- Pending Students Section ---------- */
.pending-students-section {
  background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
  border: 1px solid #fcd34d;
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 16px;
}

.pending-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.pending-header h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #92400e;
  margin: 0;
}

.pending-header h3 i {
  color: #d97706;
}

.pending-count {
  background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
  color: #fff;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(220, 38, 38, 0.3);
}

.pending-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pending-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  background: #fff;
  border: 1px solid #fcd34d;
  border-radius: 20px;
  font-size: 0.8rem;
  color: #78350f;
  font-weight: 500;
  transition: all 0.2s ease;
}

.pending-chip:hover {
  background: #fef3c7;
  border-color: #f59e0b;
}

.chip-email {
  color: #a16207;
  font-weight: 400;
}

.no-students {
  color: #92400e;
  font-size: 0.9rem;
  margin: 0;
}

.all-done {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #059669;
  font-size: 0.9rem;
  font-weight: 600;
  margin: 0;
  padding: 8px 16px;
  background: #ecfdf5;
  border-radius: 8px;
}

.all-done i {
  color: #10b981;
}

.loading-small {
  color: #92400e;
  font-size: 0.9rem;
}

.error-small {
  color: #dc2626;
  font-size: 0.9rem;
  margin: 0;
}

@media (max-width: 768px) {
  .pending-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  
  .pending-count {
    align-self: flex-end;
  }
}

/* ---------- Teacher Display on Cards (Compact Design) ---------- */
.card-teachers {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.teacher-row {
  position: relative;
  padding: 8px 8px 6px 8px;
  border-radius: 6px;
  border: 1px solid;
}

.teacher-row.ttkb {
  background: #f0f9ff;
  border-color: #0ea5e9;
}

.teacher-row.breakout {
  background: #faf5ff;
  border-color: #a855f7;
}

/* Floating label on border */
.teacher-label {
  position: absolute;
  top: -8px;
  left: 8px;
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  border-radius: 3px;
}

.teacher-row.ttkb .teacher-label {
  background: #f0f9ff;
  color: #0369a1;
}

.teacher-row.breakout .teacher-label {
  background: #faf5ff;
  color: #7c3aed;
}


/* Teacher chips container */
.teacher-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

/* Individual teacher chip */
.teacher-chip {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 10px;
  font-size: 0.6rem;
  font-weight: 600;
  white-space: nowrap;
  line-height: 1.2;
}

/* 6 Different colors for teacher chips - HIGH CONTRAST */
.teacher-chip.color-0 {
  background: #1e40af;
  color: #fff;
}

.teacher-chip.color-1 {
  background: #15803d;
  color: #fff;
}

.teacher-chip.color-2 {
  background: #b91c1c;
  color: #fff;
}

.teacher-chip.color-3 {
  background: #7c3aed;
  color: #fff;
}

.teacher-chip.color-4 {
  background: #0d9488;
  color: #fff;
}

.teacher-chip.color-5 {
  background: #c2410c;
  color: #fff;
}

@media (max-width: 768px) {
  .teacher-label {
    font-size: 0.5rem;
    padding: 0px 4px;
  }
  
  .teacher-chip {
    padding: 2px 5px;
    font-size: 0.55rem;
  }
}

.teacher-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.8rem;
}

.teacher-row.ttkb {
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  border: 1px solid #bfdbfe;
}

.teacher-row.breakout {
  background: linear-gradient(135deg, #f5f3ff 0%, #ede9fe 100%);
  border: 1px solid #c4b5fd;
}

.teacher-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  white-space: nowrap;
  min-width: 90px;
}

.teacher-row.ttkb .teacher-label {
  color: #1d4ed8;
}

.teacher-row.ttkb .teacher-label i {
  color: #3b82f6;
}

.teacher-row.breakout .teacher-label {
  color: #6d28d9;
}

.teacher-row.breakout .teacher-label i {
  color: #8b5cf6;
}

.teacher-chips {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* Individual teacher chip */
.teacher-chip {
  display: inline-block;
  padding: 1px 5px;
  border-radius: 8px;
  font-size: 0.55rem;
  font-weight: 600;
  white-space: nowrap;
  line-height: 1.2;
}

/* 6 Different colors for teacher chips */
.teacher-chip.color-0 {
  background: #dbeafe;
  color: #1e40af;
  border: 1px solid #93c5fd;
}

.teacher-chip.color-1 {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #86efac;
}

.teacher-chip.color-2 {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fcd34d;
}

.teacher-chip.color-3 {
  background: #fce7f3;
  color: #9d174d;
  border: 1px solid #f9a8d4;
}

.teacher-chip.color-4 {
  background: #e0e7ff;
  color: #3730a3;
  border: 1px solid #a5b4fc;
}

.teacher-chip.color-5 {
  background: #ccfbf1;
  color: #115e59;
  border: 1px solid #5eead4;
}

@media (max-width: 768px) {
  .teacher-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  
  .teacher-label {
    min-width: unset;
  }
}