/* ==================== TODO STYLES ==================== */

/* Todo List Container */
.todo-list-container {
  padding: 24px;
}

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

.todo-list-header h3 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
}

.btn-add-todo {
  background: var(--primary-gradient);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 10px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-add-todo:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

/* Filters */
.todo-filters {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.todo-filters select {
  padding: 8px 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 14px;
  cursor: pointer;
}

/* Todo Groups */
.todo-group {
  margin-bottom: 24px;
}

.todo-group .group-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-light);
}

.todo-group.overdue .group-title {
  color: var(--error-color);
}

.todo-group.today .group-title {
  color: var(--primary-color);
}

/* Todo Items */
.todo-items {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.todo-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border-light);
  transition: all 0.3s ease;
}

.todo-item:hover {
  box-shadow: var(--shadow-sm);
  border-color: var(--border-color);
}

.todo-item.completed {
  opacity: 0.6;
}

.todo-item.completed .todo-title {
  text-decoration: line-through;
}

/* Checkbox */
.todo-checkbox {
  width: 24px;
  height: 24px;
  min-width: 24px;
  border: 2px solid var(--border-color);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 14px;
  color: white;
  background: transparent;
}

.todo-checkbox:hover {
  border-color: var(--primary-color);
  background: rgba(102, 126, 234, 0.1);
}

.todo-item.completed .todo-checkbox {
  background: var(--success-color);
  border-color: var(--success-color);
}

/* Todo Content */
.todo-content {
  flex: 1;
  min-width: 0;
}

.todo-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.todo-description {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.todo-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12px;
}

.todo-date,
.todo-time {
  color: var(--text-tertiary);
}

.todo-priority {
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  color: #333;
}

.todo-recurring {
  font-size: 14px;
}

/* Todo Actions */
.todo-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.todo-item:hover .todo-actions {
  opacity: 1;
}

.btn-icon {
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
  font-size: 16px;
  border-radius: 6px;
  transition: background 0.2s ease;
}

.btn-icon:hover {
  background: var(--bg-tertiary);
}

/* Empty State */
.todo-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}

.todo-empty .empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.todo-empty p {
  margin-bottom: 20px;
}

/* ==================== TODO MODAL ==================== */

.todo-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100000;
  padding: 20px;
}

.todo-modal {
  background: var(--bg-card);
  border-radius: 16px;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.todo-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-light);
}

.todo-modal-header h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.todo-modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input[type="text"],
.form-group input[type="date"],
.form-group input[type="time"],
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 15px;
  transition: all 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
  min-height: 80px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* Reminder Fields */
.reminder-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.reminder-field {
  display: flex;
  gap: 8px;
}

.reminder-field input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.btn-add-reminder {
  padding: 10px 16px;
  background: var(--bg-tertiary);
  border: 1px dashed var(--border-color);
  border-radius: 8px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-add-reminder:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  background: rgba(102, 126, 234, 0.05);
}

.btn-remove-reminder {
  padding: 10px 14px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-remove-reminder:hover {
  background: var(--error-color);
  color: white;
  border-color: var(--error-color);
}

/* Recurring Options */
.recurring-options {
  margin-top: 12px;
}

.recurring-options select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* Checkbox Label */
.form-group label input[type="checkbox"] {
  width: auto;
  margin-right: 8px;
}

/* Modal Footer */
.todo-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 24px;
  border-top: 1px solid var(--border-light);
  background: var(--bg-tertiary);
}

.btn-secondary {
  padding: 10px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-secondary);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
}

.btn-primary {
  padding: 10px 20px;
  background: var(--primary-gradient);
  border: none;
  border-radius: 8px;
  color: white;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
  transform: translateY(-1px);
}

/* ==================== RESPONSIVE ==================== */

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }

  .todo-modal {
    max-height: 100vh;
    border-radius: 0;
  }

  .todo-filters {
    flex-wrap: wrap;
  }

  .todo-item {
    padding: 12px;
  }

  .todo-actions {
    opacity: 1;
  }
}