:root {
  --primary: #4a6fa5;
  --primary-light: #6889bd;
  --primary-dark: #345888;
  --secondary: #f8b400;
  --light: #f5f5f5;
  --dark: #333;
  --gray: #aaa;
  --danger: #e74c3c;
  --success: #2ecc71;
  --card-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-color: #f5f7fa;
  color: var(--dark);
  line-height: 1.6;
  overflow-x: auto;
  overflow-y: auto;
}

.container {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 250px;
  background-color: var(--primary);
  color: white;
  padding: 20px;
  height: 100%;
  overflow-y: auto;
  box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
  position: fixed;
  top: 0;
  left: 0;
  transform: translateX(0);
  transition: transform 0.3s ease;
  z-index: 1000;
}

.sidebar.hidden {
  transform: translateX(-100%);
}

.sidebar h2 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: #fff;
}

.trip-list {
  list-style: none;
  margin-bottom: 20px;
}

.trip-item {
  padding: 10px;
  margin-bottom: 5px;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
}

.trip-item:hover,
.trip-item.active {
  background-color: var(--primary-dark);
}

.hamburger {
  display: none;
  background: none;
  border: none;
  color: rgb(132, 209, 112);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 10px;
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1100;
  box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.404) inset;
}

.main-content {
  flex-grow: 1;
  padding: 20px 20px 0 20px;
  margin-left: 250px;
  transition: margin-left 0.3s ease;
  overflow-x: auto;
}

.main-content.full-width {
  margin-left: 0;
}

.landing-page,
.itinerary-page,
.summary-page,
.budget-page {
  display: none;
}

.landing-page.active,
.itinerary-page.active,
.summary-page.active,
.budget-page.active {
  display: block;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 10px;
}

h1 {
  font-size: 2rem;
  font-weight: 600;
}

.controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  background-color: var(--primary-dark);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
  font-size: 0.9rem;
}

.btn:hover {
  background-color: var(--primary-light);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--secondary);
  color: var(--dark);
}

.btn-secondary:hover {
  background-color: #e0a500;
}

.btn-danger {
  background-color: var(--danger);
}

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

.btn-success {
  background-color: var(--success);
}

.btn-success:hover {
  background-color: #27ae60;
}

.board {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 20px 0;
  min-height: 75vh;
}

.day-column {
  background-color: white;
  border-radius: 8px;
  min-width: 280px;
  max-width: 300px;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
}

.day-header {
  background-color: var(--primary);
  color: white;
  padding: 12px;
  border-radius: 8px 8px 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.day-title {
  font-weight: 600;
  font-size: 1.1rem;
}

.day-actions {
  display: flex;
  gap: 8px;
}

.action-btn {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  font-size: 0.9rem;
  opacity: 0.8;
  transition: var(--transition);
}

.action-btn:hover {
  opacity: 1;
  transform: scale(1.1);
}

.activities {
  padding: 12px;
  flex-grow: 1;
  min-height: 100px;
  overflow-y: auto;
  max-height: 500px;
}

.activity-card {
  background-color: var(--light);
  padding: 12px;
  border-radius: 6px;
  margin-bottom: 12px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  cursor: grab;
  transition: var(--transition);
  position: relative;
}

.activity-card:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.activity-card.dragging {
  opacity: 0.7;
  transform: scale(1.02);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.activity-time {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 4px;
}

.activity-cost {
  font-size: 0.8rem;
  color: var(--secondary);
  font-weight: 600;
  margin-bottom: 4px;
}

.activity-title {
  font-weight: 500;
  margin-bottom: 4px;
}

.activity-description {
  font-size: 0.85rem;
  color: #666;
}

.activity-actions {
  display: flex;
  gap: 6px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.activity-action {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--gray);
  transition: var(--transition);
  padding: 4px 8px;
  border-radius: 4px;
}

.activity-action.completed {
  background-color: var(--success);
  color: white;
}

.activity-action.not-completed {
  background-color: var(--danger);
  color: white;
}

.activity-action.details {
  background-color: var(--primary);
  color: white;
}

.activity-action:hover {
  transform: scale(1.05);
}

.activity-details {
  display: none;
  margin-top: 10px;
  padding: 10px;
  background-color: #f8f9fa;
  border-radius: 4px;
  font-size: 0.85rem;
}

.activity-details.active {
  display: block;
}

.activity-details p {
  margin-bottom: 8px;
}

.map-container {
  height: 200px;
  margin-top: 10px;
  border-radius: 4px;
  overflow: hidden;
}

.completed-activity {
  background-color: #d4edda;
}

.not-completed-activity {
  background-color: #f8d7da;
}

.day-footer {
  padding: 12px;
  border-top: 1px solid #eee;
}

.add-activity {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 8px;
  border: 2px dashed #ddd;
  border-radius: 6px;
  background: none;
  color: var(--gray);
  cursor: pointer;
  transition: var(--transition);
}

.add-activity:hover {
  border-color: var(--primary);
  color: var(--primary);
  background-color: rgba(106, 137, 204, 0.05);
}

.add-day {
  min-width: 280px;
  height: 200px;
  border: 3px dashed #ddd;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--gray);
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 20px;
}

.add-day:hover {
  border-color: var(--primary);
  color: var(--primary);
  background-color: rgba(106, 137, 204, 0.05);
}

.add-day i {
  font-size: 2.5rem;
  opacity: 0.8;
}

.add-day-text {
  font-size: 1.1rem;
  font-weight: 500;
}

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background-color: white;
  width: 500px;
  max-width: 90%;
  max-height: 90%;
  border-radius: 8px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
  overflow-y: auto;
  transform: translateY(-20px);
  transition: var(--transition);
}

.modal-backdrop.active .modal {
  transform: translateY(0);
}

.modal-header {
  background-color: var(--primary);
  color: white;
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 1.2rem;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: white;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0.8;
  transition: var(--transition);
}

.modal-close:hover {
  opacity: 1;
  transform: scale(1.1);
}

.modal-body {
  padding: 20px;
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: var(--dark);
}

.form-control {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(106, 137, 204, 0.2);
}

.modal-footer {
  padding: 12px 20px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  background-color: #f8f9fa;
  border-top: 1px solid #eee;
}

.save-notification {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: var(--success);
  color: white;
  padding: 12px 20px;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  gap: 8px;
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition);
}

.save-notification.active {
  transform: translateY(0);
  opacity: 1;
}

.empty-state {
  text-align: center;
  padding: 40px 0;
  color: var(--gray);
}

.empty-state i {
  font-size: 4rem;
  margin-bottom: 20px;
  opacity: 0.7;
}

.empty-state h3 {
  margin-bottom: 10px;
  font-size: 1.5rem;
  font-weight: 500;
}

.history-section, .ongoing-section {
  margin-top: 40px;
}

.history-list, .ongoing-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
}

.history-item, .ongoing-item {
  background-color: white;
  padding: 15px;
  border-radius: 8px;
  cursor: pointer;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  margin-top: 20px;
}

.history-item:hover {
  transform: translateY(-5px);
}

.ongoing-item:hover {
  transform: translateY(-5px);
}

.summary-content,
.budget-content {
  padding: 20px;
}

.summary-content h2,
.budget-content h2 {
  margin-bottom: 20px;
}

.summary-stats,
.budget-stats {
  margin-bottom: 20px;
}

.chart-container {
  max-width: 100%;
  margin: 0 auto;
}

.chart-buttons {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.activity-list,
.budget-list {
  margin-top: 20px;
}

.activity-list h3,
.budget-list h3 {
  margin-bottom: 10px;
}

.budget-list h3 {
  margin-top: 10px;
}

.activity-list ul,
.budget-list ul {
  list-style: none;
}

.activity-list li,
.budget-list li {
  padding: 10px;
  border-bottom: 1px solid #eee;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.flatpickr-calendar {
  z-index: 9999;
  background-color: #0f3460;
  color: #aaa;
}

.flatpickr-day {
  color: #ddd;
  transition: all 0.3s ease-in;
}

.flatpickr-day:hover {
  color: #d4edda !important;
  background-color: #1a4a8a4f !important;
}

.flatpickr-month,
.flatpickr-weekday,
.flatpickr-current-month {
  color: #d4edda !important;
}

.inRange {
  color: #0f3460 !important;
}

.flatpickr-day.selected,
.flatpickr-day.startRange,
.flatpickr-day.endRange,
.flatpickr-day.selected.inRange,
.flatpickr-day.startRange.inRange,
.flatpickr-day.endRange.inRange,
.flatpickr-day.selected:focus,
.flatpickr-day.startRange:focus,
.flatpickr-day.endRange:focus {
  background-color: #1a4a8a !important;
  color: #fff !important;
}

.flatpickr-disabled {
  color: #bba568 !important;
}

.nextMonthDay,
.prevMonthDay {
  color: #8ab894 !important;
}

.flatpickr-monthDropdown-month {
  background-color: #0f3460 !important;
}

.arrowUp::after {
  border-bottom-color: rgba(255, 255, 255, 0.651) !important;
}

.arrowDown::after {
  border-top-color: rgba(255, 255, 255, 0.651) !important;
}

.flatpickr-next-month svg,
.flatpickr-prev-month svg {
  fill: #d4edda !important;
}

.flatpickr-next-month:hover svg,
.flatpickr-prev-month:hover svg {
  fill: #82b48e !important;
}

body.dark-theme {
  background-color: #1a1a2e;
  color: #f5f5f5;
}

body.dark-theme .day-column {
  background-color: #16213e;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

body.dark-theme .day-header {
  background-color: #0f3460;
}

body.dark-theme .activity-card {
  background-color: #242450;
  color: #f5f5f5;
}

body.dark-theme .activity-description {
  color: #aaa;
}

body.dark-theme .activity-details {
  background-color: #333;
  color: #f5f5f5;
}

body.dark-theme .add-activity {
  border-color: #444;
  color: #aaa;
}

body.dark-theme .add-activity:hover {
  border-color: var(--primary-light);
  color: var(--primary-light);
  background-color: rgba(106, 137, 204, 0.1);
}

body.dark-theme .add-day {
  border-color: #444;
  color: #aaa;
}

body.dark-theme .add-day:hover {
  border-color: var(--primary-light);
  color: var(--primary-light);
  background-color: rgba(106, 137, 204, 0.1);
}

body.dark-theme .modal {
  background-color: #333;
}

body.dark-theme .modal-header {
  background-color: #0f3460;
}

body.dark-theme .modal-footer {
  background-color: #1a1a2e;
  border-top-color: #333;
}

body.dark-theme .form-control {
  background-color: #444;
  border-color: #555;
  color: #f5f5f5;
}

body.dark-theme .form-label {
  color: #f5f5f5;
}

body.dark-theme .btn {
  background-color: #555;
  color: #fff;
}

body.dark-theme .btn:hover {
  background-color: #777;
}

body.dark-theme .completed-activity {
  background-color: #2d6a4f;
}

body.dark-theme .not-completed-activity {
  background-color: #5e2d2d;
}

body.dark-theme .sidebar {
  background-color: #0f3460;
}

body.dark-theme .trip-item:hover,
body.dark-theme .trip-item.active {
  background-color: #1a4a8a;
}

body.dark-theme .history-item {
  background-color: #16213e;
}

body.dark-theme .ongoing-item {
  background-color: #16213e;
}

body.dark-theme .activity-list li,
body.dark-theme .budget-list li {
  border-bottom-color: #444;
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.active {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

  .hamburger {
    display: block;
  }

  .board {
    flex-direction: column;
    align-items: stretch;
  }

  .day-column,
  .add-day {
    min-width: 100%;
    max-width: 100%;
  }

  .modal {
    width: 95%;
  }

  .chart-container {
    max-width: 100%;
  }

  .landing-page {
    margin-left: 30px;
  }
  #addTripSidebarBtn {
    margin-left: 30px;
  }
}

@media (min-width: 769px) {
  .sidebar {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 250px;
  }

  .hamburger {
    display: none;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.5rem;
  }

  .btn {
    padding: 6px 12px;
    font-size: 0.8rem;
  }

  .header-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .controls {
    width: 100%;
    justify-content: flex-start;
  }

  .activities {
    max-height: 400px;
  }
}

.fade-in {
  animation: fadeIn 0.5s forwards;
}

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

#completionChart {
  width: 400px !important;
  height: 400px !important;
  margin: auto;
}

.activities::-webkit-scrollbar {
  width: 5px;
}

.activities::-webkit-scrollbar-track {
  background: #1a1a2e;
}

.activities::-webkit-scrollbar-thumb {
  background: #888;
}

.activities::-webkit-scrollbar-thumb:hover {
  background: #555;
}

.modal::-webkit-scrollbar {
  width: 5px;
}

.modal::-webkit-scrollbar-track {
  background: #1a1a2e;
}

.modal::-webkit-scrollbar-thumb {
  background: #888;
}

.modal::-webkit-scrollbar-thumb:hover {
  background: #555;
}

.board::-webkit-scrollbar {
  height: 5px;
}

.board::-webkit-scrollbar-track {
  background: #1a1a2e;
}

.board::-webkit-scrollbar-thumb {
  background: #888;
}

.board::-webkit-scrollbar-thumb:hover {
  background: #555;
}