/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f5f5f5;
  color: #333;
  line-height: 1.6;
}

/* Navigation */
.main-nav {
  background: #2c3e50;
  color: white;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.nav-brand {
  font-size: 1.5rem;
  font-weight: bold;
}

.nav-links {
  display: flex;
  gap: 1rem;
}

.nav-btn {
  background: transparent;
  border: 2px solid transparent;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.nav-btn:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.3);
}

.nav-btn.active {
  background: #3498db;
  border-color: #3498db;
}

/* Navigation Dropdown */
.nav-dropdown {
  position: relative;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background: white;
  border: 1px solid #ddd;
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  min-width: 200px;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s ease;
}

.dropdown-menu.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  border: none;
  background: none;
  color: #333;
  text-align: left;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.dropdown-item:hover {
  background: #f8f9fa;
}

.dropdown-divider {
  height: 1px;
  background: #e9ecef;
  margin: 0.5rem 0;
}

/* Page Management */
.page {
  display: none;
  padding: 1rem;
  max-width: 1400px;
  margin: 0 auto;
}

.page.active {
  display: block;
}

.page-header {
  margin-bottom: 2rem;
  text-align: center;
}

.page-header h1 {
  color: #2c3e50;
  margin-bottom: 0.5rem;
}

.page-header p {
  color: #666;
  font-size: 1.1rem;
}

/* Setup Forms */
.setup-form {
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #2c3e50;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: #3498db;
}

.form-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid #eee;
}

/* Buttons */
.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background: #3498db;
  color: white;
}

.btn-primary:hover {
  background: #2980b9;
}

.btn-secondary {
  background: #95a5a6;
  color: white;
}

.btn-secondary:hover {
  background: #7f8c8d;
}

.btn-danger {
  background: #e74c3c;
  color: white;
}

.btn-danger:hover {
  background: #c0392b;
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
}

/* Aid Stations Setup */
.default-stations,
.custom-stations {
  margin-bottom: 2rem;
}

.default-stations h3,
.custom-stations h3 {
  color: #2c3e50;
  margin-bottom: 1rem;
}

.station-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.station-item {
  background: #ecf0f1;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.station-item.default {
  background: #3498db;
  color: white;
}

.station-item .remove-btn {
  background: #e74c3c;
  color: white;
  border: none;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.add-station-form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.add-station-form input {
  flex: 1;
}

/* Courses Setup */
.courses-list {
  margin-bottom: 2rem;
}

.add-course-form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.add-course-form input {
  flex: 1;
}

.course-item {
  background: #f8f9fa;
  border: 2px solid #dee2e6;
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

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

.course-name {
  font-size: 1.2rem;
  font-weight: bold;
  color: #2c3e50;
}

.remove-course-btn {
  background: #e74c3c;
  color: white;
  border: none;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8rem;
}

.course-stations {
  margin-top: 1rem;
}

.course-stations h4 {
  margin-bottom: 0.5rem;
  color: #2c3e50;
}

.station-sequence {
  background: white;
  border: 1px solid #ddd;
  border-radius: 4px;
  min-height: 100px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.station-sequence-item {
  background: #e3f2fd;
  border: 1px solid #2196f3;
  border-radius: 4px;
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.station-info {
  flex: 1;
}

.station-info strong {
  display: block;
  color: #2c3e50;
  margin-bottom: 0.5rem;
}

.station-distance-edit {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.distance-input-inline {
  width: 80px;
  padding: 0.25rem 0.5rem;
  border: 1px solid #ddd;
  border-radius: 3px;
  font-size: 0.9rem;
}

.distance-input-inline:disabled {
  background: #f8f9fa;
  color: #666;
  cursor: not-allowed;
}

.total-distance {
  color: #666;
  font-size: 0.9rem;
  font-style: italic;
  white-space: nowrap;
}

.station-actions {
  display: flex;
  gap: 0.25rem;
  align-items: center;
}

.btn-insert {
  background: #17a2b8;
  color: white;
  border: none;
  border-radius: 3px;
  padding: 0.25rem 0.4rem;
  cursor: pointer;
  font-size: 0.8rem;
  transition: background-color 0.2s ease;
}

.btn-insert:hover {
  background: #138496;
}

.btn-remove {
  background: #e74c3c;
  color: white;
  border: none;
  border-radius: 3px;
  padding: 0.25rem 0.4rem;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background-color 0.2s ease;
}

.btn-remove:hover {
  background: #c0392b;
}

.station-distance {
  font-size: 0.8rem;
  color: #666;
}

.add-station-to-course {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.add-station-to-course select {
  flex: 1;
}

/* Race Tracker Styles (multi-course layout) */
.header-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 1rem;
}

.kanban-board {
  padding: 1rem 0;
}

/* Course Swimlanes */
.course-swimlane {
  background: white;
  border-radius: 6px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  margin-bottom: 1rem;
  overflow: hidden;
}

.course-swimlane-header {
  background: linear-gradient(135deg, #3498db, #2980b9);
  color: white;
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.course-swimlane-header h3 {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 600;
}

.course-stats {
  font-size: 0.9rem;
  opacity: 0.9;
}

.course-stations {
  display: flex;
  gap: 0.5rem;
  padding: 0.5rem;
  overflow-x: auto;
  min-height: 180px;
}

/* Shared Stations */
.shared-stations {
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  margin-bottom: 2rem;
  overflow: hidden;
}

.shared-stations-header {
  background: linear-gradient(135deg, #e74c3c, #c0392b);
  color: white;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.shared-stations-header h3 {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 600;
}

.shared-stats {
  font-size: 0.9rem;
  opacity: 0.9;
}

.shared-stations-row {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  justify-content: center;
}

/* Column Styles */
.column {
  background: #f8f9fa;
  border-radius: 6px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  min-width: 160px;
  max-width: 200px;
  flex-shrink: 0;
  transition: all 0.2s ease;
  margin: 0.25rem;
}

.course-station {
  border: 2px solid transparent;
}

.shared-station {
  border: 2px solid transparent;
  min-width: 150px;
}

.column-header {
  background: #34495e;
  color: white;
  padding: 0.75rem;
  border-radius: 6px 6px 0 0;
  font-weight: bold;
  font-size: 0.9rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: background 0.2s ease;
}

.column-header:hover {
  background: #2c3e50;
}

.shared-station .column-header {
  background: #95a5a6;
}

.shared-station .column-header:hover {
  background: #7f8c8d;
}

/* Suspect Data station styling */
.column[data-station="suspect"] .column-header {
  background: #f39c12 !important;
  color: white;
}

.column[data-station="suspect"] .column-header:hover {
  background: #e67e22 !important;
}

.column[data-station="suspect"] {
  border: 2px solid #f39c12;
}

.add-icon {
  font-size: 1.2rem;
  font-weight: bold;
  opacity: 0.8;
}

.column-body {
  padding: 0.25rem;
  min-height: 120px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  align-content: flex-start;
  max-height: 450px;
  overflow-y: auto;
}

.bib-card {
  background: #ffffff;
  border: 1px solid #dee2e6;
  border-radius: 2px;
  padding: 0.15rem 0.2rem;
  cursor: move;
  transition: all 0.1s ease;
  display: block;
  width: 100%;
  height: 24px;
  text-align: center;
  font-weight: 600;
  font-size: 0.7rem;
  line-height: 1.6;
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bib-card:hover {
  border-color: #3498db;
  background: #e3f2fd;
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.bib-card.dragging {
  opacity: 0.6;
  transform: rotate(5deg);
}

/* Course-specific bib card colors */
.bib-card[class*="course-"] {
  border-left: 3px solid #3498db;
}

.bib-card.course-1 {
  border-left-color: #3498db; /* Blue */
  background: #f8fbff;
}

.bib-card.course-2 {
  border-left-color: #e74c3c; /* Red */
  background: #fff8f8;
}

.bib-card.course-3 {
  border-left-color: #2ecc71; /* Green */
  background: #f8fff8;
}

.bib-card.course-4 {
  border-left-color: #f39c12; /* Orange */
  background: #fffaf8;
}

.bib-card.course-5 {
  border-left-color: #9b59b6; /* Purple */
  background: #faf8ff;
}

.bib-card.course-6 {
  border-left-color: #1abc9c; /* Teal */
  background: #f8fffc;
}

/* Participants Setup Styles */
.participants-management {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.add-participant-form {
  background: #f8f9fa;
  padding: 1.5rem;
  border-radius: 6px;
  border: 1px solid #dee2e6;
}

.add-participant-form h3 {
  margin-bottom: 1rem;
  color: #2c3e50;
}

.course-participants {
  margin-bottom: 2rem;
  border: 1px solid #dee2e6;
  border-radius: 6px;
  overflow: hidden;
}

.course-participants-header {
  background: #3498db;
  color: white;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.course-participants-header h4 {
  margin: 0;
  font-size: 1.1rem;
}

.course-bulk-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.course-bulk-actions label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  cursor: pointer;
}

.participants-table {
  background: white;
}

.participants-table-header {
  background: #f8f9fa;
  border-bottom: 2px solid #dee2e6;
  display: grid;
  grid-template-columns: 50px 120px 1fr;
  gap: 1rem;
  padding: 0.75rem 1rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: #2c3e50;
}

.participants-table-body {
  max-height: 400px;
  overflow-y: auto;
}

.participant-row {
  display: grid;
  grid-template-columns: 50px 120px 1fr;
  gap: 1rem;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid #f1f3f4;
  transition: background-color 0.2s ease;
  border-left: 3px solid #3498db;
}

.participant-row:hover {
  background: #f8f9fa;
}

.participant-row.course-unassigned {
  border-left-color: #95a5a6;
}

.participant-row.course-1 {
  border-left-color: #3498db;
}

.participant-row.course-2 {
  border-left-color: #e74c3c;
}

.participant-row.course-3 {
  border-left-color: #2ecc71;
}

.participant-row.course-4 {
  border-left-color: #f39c12;
}

.participant-row.course-5 {
  border-left-color: #9b59b6;
}

.participant-row.course-6 {
  border-left-color: #1abc9c;
}

.col-checkbox {
  display: flex;
  align-items: center;
  justify-content: center;
}

.col-id {
  font-weight: 600;
  color: #2c3e50;
}

.col-name {
  color: #666;
  font-style: italic;
}

.bulk-actions-panel {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: #2c3e50;
  color: white;
  padding: 1rem 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  z-index: 1000;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.bulk-actions-content {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.bulk-actions-buttons {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.bulk-actions-buttons select {
  padding: 0.5rem;
  border: 1px solid #95a5a6;
  border-radius: 4px;
  font-size: 0.9rem;
}

.column.drag-over {
  border-color: #3498db;
  background: #e3f2fd;
}

.shared-station.drag-over {
  border-color: #e74c3c;
  background: #ffeaea;
}

/* Modal Styles */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: white;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  max-width: 800px;
  width: 90%;
  max-height: 90%;
  overflow-y: auto;
}

.modal-header {
  background: #3498db;
  color: white;
  padding: 1rem;
  border-radius: 8px 8px 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  margin: 0;
}

.close-btn {
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  background: #f8f9fa;
  padding: 1rem;
  border-radius: 0 0 8px 8px;
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
}

.modal-actions {
  display: flex;
  justify-content: space-between;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid #eee;
}

/* Insert Station Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1001;
  animation: fadeIn 0.2s ease;
}

.modal-overlay .modal-content {
  background: white;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-overlay .modal-header {
  background: #17a2b8;
  color: white;
  padding: 1rem 1.5rem;
  border-radius: 8px 8px 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-overlay .modal-header h3 {
  margin: 0;
  font-size: 1.2rem;
}

.modal-close {
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background-color 0.2s ease;
}

.modal-close:hover {
  background: rgba(255,255,255,0.2);
}

.modal-overlay .modal-body {
  padding: 1.5rem;
}

.modal-overlay .modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid #dee2e6;
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  background: #f8f9fa;
  border-radius: 0 0 8px 8px;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Advanced Batch Entry Styles */
.batch-entry-row {
  border: 1px solid #dee2e6;
  border-radius: 6px;
  margin-bottom: 1rem;
  background: white;
}

.batch-entry-header {
  background: #f8f9fa;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #dee2e6;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 6px 6px 0 0;
}

.batch-entry-header h4 {
  margin: 0;
  color: #2c3e50;
  font-size: 1rem;
}

.batch-entry-form {
  padding: 1rem;
}

.form-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  align-items: end;
}

.form-col {
  flex: 1;
  min-width: 0;
}

.form-col-full {
  flex: 1;
  width: 100%;
}

.form-row label {
  display: block;
  margin-bottom: 0.25rem;
  font-weight: 600;
  color: #2c3e50;
  font-size: 0.9rem;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 0.9rem;
  box-sizing: border-box;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: #3498db;
  box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

/* Tags Input System */
.tags-input-container {
  position: relative;
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 0.5rem;
  background: white;
  min-height: 40px;
}

.tags-input-container:focus-within {
  border-color: #3498db;
  box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.tags-display {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-bottom: 0.5rem;
}

.tag {
  background: #3498db;
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: 3px;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.tag button {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 0;
  font-size: 1rem;
  line-height: 1;
}

.tag button:hover {
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
}

.participant-input {
  border: none !important;
  outline: none !important;
  padding: 0 !important;
  margin: 0 !important;
  width: 100% !important;
  box-shadow: none !important;
  font-size: 0.9rem;
}

.autocomplete-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: white;
  border: 1px solid #ddd;
  border-top: none;
  border-radius: 0 0 4px 4px;
  max-height: 200px;
  overflow-y: auto;
  z-index: 1000;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.suggestion-item {
  padding: 0.5rem;
  cursor: pointer;
  border-bottom: 1px solid #f1f1f1;
}

.suggestion-item:hover {
  background: #f8f9fa;
}

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

/* Preview Mode Styles */
.batch-preview {
  background: #f8f9fa;
  border-radius: 6px;
  padding: 1rem;
}

.preview-entry {
  background: white;
  border: 1px solid #dee2e6;
  border-radius: 4px;
  padding: 0.75rem;
  margin-bottom: 0.5rem;
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #eee;
}

.preview-time {
  color: #666;
  font-size: 0.9rem;
  font-family: monospace;
}

.preview-action {
  display: inline-block;
  background: #e3f2fd;
  color: #1976d2;
  padding: 0.25rem 0.5rem;
  border-radius: 3px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.preview-participants {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.preview-participant {
  background: #3498db;
  color: white;
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  font-size: 0.8rem;
}

.preview-message {
  font-style: italic;
  color: #666;
  background: #fff3cd;
  padding: 0.5rem;
  border-radius: 3px;
  border-left: 3px solid #ffc107;
}

/* Modal Actions */
.modal-actions {
  display: flex;
  gap: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid #eee;
  margin-top: 1rem;
}

/* Legacy Batch Entry Styles (for compatibility) */
.batch-entry {
  margin-bottom: 1rem;
}

.batch-entry label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #2c3e50;
}

.batch-entry textarea,
.batch-entry input {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
  font-family: inherit;
  margin-bottom: 1rem;
  transition: border-color 0.3s ease;
}

.batch-entry textarea:focus,
.batch-entry input:focus {
  outline: none;
  border-color: #3498db;
}

.batch-entry textarea {
  resize: vertical;
  min-height: 80px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .main-nav {
    flex-direction: column;
    gap: 1rem;
  }
  
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .page {
    padding: 1rem;
  }
  
  .form-actions {
    flex-direction: column;
  }
  
  .kanban-board {
    flex-direction: column;
  }
  
  .column {
    min-width: auto;
    max-width: none;
  }
}