/* Темный стиль */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  margin: 0;
  padding: 0;
  color: #e0e0e0;
  background-color: #1e1e1e;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-weight: 500;
  line-height: 1.2;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: #61dafb;
}

h2 {
  font-size: 2rem;
  color: #64b5f6;
}

h3 {
  font-size: 1.5rem;
  color: #81c784;
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

/* Кнопки */
.btn {
  display: inline-block;
  font-weight: 400;
  text-align: center;
  vertical-align: middle;
  user-select: none;
  padding: 0.5rem 1rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: 0.25rem;
  text-decoration: none;
  cursor: pointer;
  background-color: #2196f3;
  color: white;
  border: 1px solid transparent;
  transition: all 0.15s ease-in-out;
}

.btn:hover {
  background-color: #1976d2;
}

.btn-primary {
  background-color: #1976d2;
  color: white;
}

.btn-primary:hover {
  background-color: #1565c0;
}

.btn-secondary {
  background-color: #757575;
}

.btn-secondary:hover {
  background-color: #616161;
}

.btn-danger {
  background-color: #f44336;
}

.btn-danger:hover {
  background-color: #d32f2f;
}

.btn-small {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
}

.btn-icon {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  padding: 0;
  margin: 0 5px;
  color: #e0e0e0;
}

/* Формы */
.form-container {
  background-color: #2d2d2d;
  padding: 20px;
  border-radius: 5px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 15px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
  color: #bbdefb;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea,
select {
  display: block;
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: 1rem;
  line-height: 1.5;
  color: #e0e0e0;
  background-color: #424242;
  background-clip: padding-box;
  border: 1px solid #616161;
  border-radius: 0.25rem;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
  box-sizing: border-box;
}

input:focus,
textarea:focus,
select:focus {
  color: #e0e0e0;
  background-color: #424242;
  border-color: #64b5f6;
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(33, 150, 243, 0.25);
}

.form-actions {
  margin-top: 20px;
  display: flex;
  justify-content: space-between;
}

/* Список опросов */
.questionnaires-list {
  margin-top: 30px;
}

.questionnaire-item {
  background-color: #2d2d2d;
  padding: 20px;
  border-radius: 5px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  margin-bottom: 20px;
}

.questionnaire-links {
  display: flex;
  gap: 10px;
  margin-top: 15px;
}

/* Вопросы */
.question-item {
  background-color: #2d2d2d;
  padding: 20px;
  border-radius: 5px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  margin-bottom: 20px;
}

.question-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.options-container {
  margin-top: 10px;
}

.options-list {
  margin-bottom: 10px;
}

.option-item {
  display: flex;
  align-items: center;
  margin-bottom: 8px;
}

/* Стили для варианта ответа */
.option-item input[type="text"] {
  flex: 1;
  margin-right: 10px;
}

.radio-option label,
.checkbox-option label {
  margin-left: 10px;
  cursor: pointer;
}

/* Звездный рейтинг */
.rating-container {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.rating-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.rating-item label {
  cursor: pointer;
  padding: 8px 12px;
  background-color: #424242;
  border-radius: 4px;
  transition: all 0.2s;
}

.rating-item input {
  display: none;
}

.rating-item input:checked + label {
  background-color: #2196f3;
  color: white;
}

/* Облако тегов */
.tag-cloud-container {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.tag-item {
  padding: 8px 15px;
  background-color: #424242;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s;
}

.tag-item:hover {
  background-color: #616161;
}

.tag-item.selected {
  background-color: #2196f3;
  color: white;
}

/* Результаты голосования */
.results-visualization {
  margin-top: 15px;
}

.result-bar-container {
  margin-bottom: 15px;
}

.result-label {
  margin-bottom: 5px;
  font-weight: 500;
  color: #bbdefb;
}

.result-bar {
  height: 20px;
  background-color: #424242;
  border-radius: 4px;
  overflow: hidden;
}

.result-bar-fill {
  height: 100%;
  background-color: #2196f3;
  border-radius: 4px;
  transition: width 0.5s;
}

.result-percent {
  margin-top: 5px;
  font-size: 0.875rem;
  color: #9e9e9e;
}

.results-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 15px;
  justify-content: center;
}

.result-tag {
  padding: 5px 10px;
  background-color: #2196f3;
  color: white;
  border-radius: 20px;
  display: inline-block;
}

/* Обязательные поля */
.required-mark {
  color: #f44336;
}

/* Состояния загрузки и ошибки */
#loading {
  text-align: center;
  padding: 20px;
  font-size: 1.2rem;
  color: #9e9e9e;
}

.error {
  color: #f44336;
  padding: 10px;
  background-color: rgba(244, 67, 54, 0.2);
  border-radius: 4px;
}

/* Ссылки */
.link-group {
  margin-bottom: 15px;
}

.link-input-group {
  display: flex;
  gap: 10px;
}

.link-input-group input {
  flex: 1;
}

/* Текстовая область для ввода ответа */
.textarea-container {
  width: 100%;
  margin-top: 10px;
}

.text-answer {
  width: 100%;
  min-height: 100px;
  resize: vertical;
}

/* Таблица статистики */
.stats-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
  color: #e0e0e0;
}

.stats-table th, 
.stats-table td {
  padding: 8px;
  text-align: left;
  border-bottom: 1px solid #424242;
}

.stats-table th {
  background-color: #383838;
  font-weight: 500;
  color: #bbdefb;
}

.stats-table .total-row {
  font-weight: bold;
  background-color: #424242;
}

/* Стили для question-stats */
.question-stats {
  background-color: #2d2d2d;
  padding: 15px;
  border-radius: 5px;
  margin-bottom: 20px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.15);
}

/* Модальные окна */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

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

.modal {
  background-color: #2d2d2d;
  border-radius: 5px;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.3);
  width: 90%;
  max-width: 500px;
  padding: 20px;
  position: relative;
  transform: translateY(-20px);
  transition: transform 0.3s;
  max-height: 90vh;
  overflow-y: auto;
}

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

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 1px solid #444;
}

.modal-header h3 {
  margin: 0;
  color: #64b5f6;
}

.modal-close {
  background: none;
  border: none;
  color: #e0e0e0;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.modal-body {
  margin-bottom: 20px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 10px;
  border-top: 1px solid #444;
}

/* QR код */
.qr-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 15px;
}

.qr-code {
  margin-bottom: 15px;
  background-color: #fff;
  padding: 15px;
  border-radius: 8px;
}

.qr-link-container {
  display: flex;
  width: 100%;
  max-width: 500px;
  margin-top: 10px;
}

.qr-link-input {
  flex-grow: 1;
  padding: 10px;
  border: 1px solid #444;
  border-radius: 4px 0 0 4px;
  background-color: #333;
  color: #fff;
}

.btn-copy-link {
  padding: 10px 15px;
  background-color: #64b5f6;
  color: #fff;
  border: none;
  border-radius: 0 4px 4px 0;
  cursor: pointer;
  transition: background-color 0.3s;
}

.btn-copy-link:hover {
  background-color: #90caf9;
}

.btn-copy-link.copied {
  background-color: #4caf50;
}

/* Шкала оценки */
.scale-container {
  margin-top: 20px;
  width: 100%;
}

.scale-labels {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}

.scale-label-min,
.scale-label-max {
  font-weight: 500;
  color: #bbdefb;
}

.scale-values {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 5px;
}

.scale-item {
  text-align: center;
}

.scale-item input {
  display: none;
}

.scale-item label {
  display: block;
  width: 40px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  background-color: #424242;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s;
}

.scale-item input:checked + label {
  background-color: #2196f3;
  color: white;
}

.scale-item label:hover {
  background-color: #616161;
}

/* Пошаговый опрос */
.step-navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
  margin-bottom: 10px;
}

.question-counter {
  text-align: center;
  font-size: 1rem;
  color: #64b5f6;
  flex: 1;
}

/* Улучшения для облака тегов */
.tag-input-container {
  width: 100%;
}

.tag-input {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
  background-color: #424242;
  border: 1px solid #616161;
  border-radius: 4px;
  color: #e0e0e0;
}

.tag-items {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.tag-item {
  position: relative;
  padding: 8px 15px;
  background-color: #424242;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s;
}

.tag-item.selected {
  background-color: #2196f3;
  color: white;
}

.tag-remove {
  margin-left: 5px;
  font-size: 1.2rem;
  cursor: pointer;
}

/* Стили для результатов опроса */
.question-result {
  background-color: #2d2d2d;
  padding: 15px;
  border-radius: 5px;
  margin-bottom: 20px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.15);
}

.text-answers {
  margin-top: 10px;
}

.text-answer {
  background-color: #424242;
  padding: 10px;
  border-radius: 4px;
  margin-bottom: 10px;
}

/* Улучшения для радио и чекбоксов */
.radio-options-container,
.checkbox-options-container {
  margin-top: 10px;
}

.radio-option,
.checkbox-option {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
}

.radio-option input,
.checkbox-option input {
  margin-right: 10px;
}

.radio-option label,
.checkbox-option label {
  cursor: pointer;
}

/* Стили для вопросов с ошибками */
.question-item.error {
  border-left: 4px solid var(--color-error);
  box-shadow: 0 0 10px rgba(220, 53, 69, 0.3);
  padding-left: 16px;
  transition: all 0.3s ease;
}

.question-item.error .question-title {
  color: var(--color-error);
}

/* Анимация для ошибок */
.shake {
  animation: shake 0.6s cubic-bezier(.36,.07,.19,.97) both;
}

@keyframes shake {
  10%, 90% {
    transform: translate3d(-1px, 0, 0);
  }
  
  20%, 80% {
    transform: translate3d(2px, 0, 0);
  }
  
  30%, 50%, 70% {
    transform: translate3d(-4px, 0, 0);
  }
  
  40%, 60% {
    transform: translate3d(4px, 0, 0);
  }
}

/* Стили для выхода вопроса */
.question-item.exit {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}

/* Стили для плавного входа вопроса */
.question-item.enter {
  opacity: 0;
  transform: translateX(30px);
}

.question-item.active {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

/* Анимации для элементов результатов */
.results-title {
  animation: slideDown 0.8s ease forwards;
}

.scale-average {
  margin-bottom: 15px;
  font-size: 1.2em;
}

.scale-average .highlight {
  color: var(--color-primary);
  font-size: 1.5em;
  font-weight: bold;
}

.result-bar-container {
  margin-bottom: 10px;
}

.result-label {
  margin-bottom: 5px;
  font-weight: 500;
}

.result-bar {
  height: 20px;
  background-color: rgba(0, 0, 0, 0.1);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.result-bar-fill {
  height: 100%;
  background-color: var(--color-primary);
  transition: width 1s ease-out;
  border-radius: 4px;
}

.result-percent {
  margin-top: 3px;
  text-align: right;
  font-size: 0.9em;
  color: var(--color-muted);
}

.text-answer {
  background-color: rgba(0, 0, 0, 0.05);
  padding: 10px 15px;
  border-radius: 4px;
  margin-bottom: 10px;
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.results-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin: 20px 0;
}

.result-tag {
  background-color: rgba(var(--primary-rgb), 0.1);
  color: var(--color-primary);
  padding: 8px 15px;
  border-radius: 20px;
  margin: 5px;
  display: inline-block;
  transition: all 0.5s ease;
}

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

@keyframes slideIn {
  from { 
    opacity: 0; 
    transform: translateX(30px);
  }
  to { 
    opacity: 1; 
    transform: translateX(0);
  }
}

@keyframes pulse {
  0% { opacity: 0.8; }
  50% { opacity: 1; }
  100% { opacity: 0.8; }
}

.question-result {
  transition: all 0.5s ease;
  padding: 15px;
  margin-bottom: 20px;
  border-radius: 8px;
  background-color: rgba(0, 0, 0, 0.03);
}

/* Улучшенная анимация для счетчика вопросов */
.question-counter {
  transition: all 0.3s ease;
  animation: fadeIn 0.5s;
}

.question-counter.update {
  animation: fadeIn 0.5s;
}

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

/* Анимации для кнопок навигации */
.nav-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.nav-btn:active {
  transform: translateY(-1px);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

/* Улучшенные стили для загрузки */
#loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 50px 0;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 5px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  border-top: 5px solid var(--color-primary);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-text {
  margin-top: 15px;
  color: #64b5f6;
}

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

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

@keyframes slideInRight {
  from {
    transform: translateX(20px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
  20%, 40%, 60%, 80% { transform: translateX(5px); }
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Применение анимаций */
#questionnaire-container {
  animation: fadeIn 0.6s ease-out;
}

.question-item {
  animation: slideInUp 0.5s ease-out;
  transition: all 0.3s ease;
}

.btn {
  transition: all 0.2s ease-in-out;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background-color: #1976d2;
  color: white;
}

.question-item.error {
  animation: shake 0.5s ease-in-out;
}

.radio-option label:hover,
.checkbox-option label:hover {
  transform: translateX(3px);
  transition: transform 0.2s ease;
}

.tag-item {
  transition: all 0.2s ease;
}

.tag-item:hover {
  transform: scale(1.05);
}

.tag-item.selected {
  background-color: var(--color-primary);
  color: white;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.scale-item label:hover {
  transform: scale(1.1);
  transition: transform 0.2s ease;
}

.scale-item input:checked + label {
  background-color: var(--color-primary);
  color: white;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Анимированный лоадер */
#loading {
  position: relative;
  padding-left: 30px;
}

#loading:before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  margin-top: -10px;
  width: 20px;
  height: 20px;
  border: 3px solid #2196f3;
  border-top-color: transparent;
  border-radius: 50%;
  animation: rotate 1s linear infinite;
}

/* Анимированные переходы между вопросами */
.step-navigation button {
  transition: all 0.3s ease;
}

.question-item.active {
  animation: slideInRight 0.4s ease-out;
}

.question-item.exit {
  animation: fadeIn 0.4s ease-out reverse;
}

/* Анимация для результатов */
.result-bar-fill {
  transition: width 1.5s ease-out;
  animation: slideInRight 1.5s ease-out;
}

.results-container {
  animation: fadeIn 1s ease-out;
}

.question-result {
  animation: slideInUp 0.5s ease-out;
  animation-fill-mode: both;
}

.question-result:nth-child(1) { animation-delay: 0.1s; }
.question-result:nth-child(2) { animation-delay: 0.2s; }
.question-result:nth-child(3) { animation-delay: 0.3s; }
.question-result:nth-child(4) { animation-delay: 0.4s; }
.question-result:nth-child(5) { animation-delay: 0.5s; }
.question-result:nth-child(6) { animation-delay: 0.6s; }
.question-result:nth-child(7) { animation-delay: 0.7s; }
.question-result:nth-child(8) { animation-delay: 0.8s; }
.question-result:nth-child(9) { animation-delay: 0.9s; }
.question-result:nth-child(10) { animation-delay: 1s; }

/* Другие улучшения стилей */
.textarea-container textarea {
  transition: height 0.3s ease;
}

.textarea-container textarea:focus {
  height: 120px;
}

/* Анимация для модальных окон */
.modal-overlay.active .modal {
  animation: slideInUp 0.3s ease-out;
}

/* Анимация для кнопки добавления вопроса */
#add-question {
  transition: background-color 0.3s ease, transform 0.2s ease;
}

#add-question:hover {
  transform: translateY(-2px);
}

#add-question:active {
  transform: translateY(1px);
}

/* Анимация иконок */
.btn-icon svg {
  transition: transform 0.3s ease;
}

.btn-icon:hover svg {
  transform: rotate(90deg);
}

/* Анимация для обратной связи */
@keyframes success-animation {
  0% { background-color: transparent; }
  30% { background-color: rgba(76, 175, 80, 0.2); }
  100% { background-color: transparent; }
}

.success-feedback {
  animation: success-animation 1.5s ease;
}

/* Анимированные переключатели */
input[type="checkbox"], input[type="radio"] {
  transition: all 0.2s ease;
}

/* Дополнительные плавные переходы для всех элементов */
* {
  transition-property: background-color, border-color, color, box-shadow;
  transition-duration: 0.2s;
  transition-timing-function: ease;
}

/* Стили для приветствия и благодарности */
.welcome-animation,
.thank-you-animation,
.already-completed {
  max-width: 800px;
  margin: 50px auto;
  padding: 30px;
  text-align: center;
  background-color: #2d2d2d;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: all 0.5s ease;
}

.welcome-icon,
.thank-you-icon,
.completed-icon {
  margin-bottom: 20px;
}

.welcome-icon svg,
.thank-you-icon svg,
.completed-icon svg {
  width: 100px;
  height: 100px;
  color: var(--color-primary);
}

.welcome-icon svg:hover,
.thank-you-icon svg:hover,
.completed-icon svg:hover {
  transform: scale(1.05);
}

.welcome-title,
.thank-you-title,
.completed-title {
  font-size: 2rem;
  margin-bottom: 15px;
  color: var(--color-primary, #2196f3);
}

.welcome-description,
.thank-you-description,
.completed-description {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 30px;
  color: #e0e0e0;
}

.welcome-start-btn,
.view-results-btn {
  font-size: 1.2rem;
  padding: 12px 24px;
  border-radius: 30px;
  background-color: var(--color-primary);
  color: white;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s;
}

.welcome-start-btn:hover,
.view-results-btn:hover {
  background-color: #0d47a1;
}

.start-again-btn {
  margin-top: 20px;
  margin-left: 10px;
  font-size: 1.1rem;
  padding: 12px 30px;
  border-radius: 30px;
}

/* Анимации для приветствия и благодарности */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* CSS переменные для цветов */
:root {
  --color-primary: #2196f3;
  --color-primary-dark: #1976d2;
  --color-primary-light: #64b5f6;
  --color-secondary: #757575;
  --color-secondary-dark: #616161;
  --color-success: #4caf50;
  --color-success-dark: #388e3c;
  --color-error: #f44336;
  --color-error-dark: #d32f2f;
  --color-muted: #9e9e9e;
  --primary-rgb: 33, 150, 243;
  --color-bg-dark: #1e1e1e;
  --color-bg-card: #2d2d2d;
  --color-bg-input: #424242;
}

/* Стили для навигационных кнопок */
.nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 110px;
  background-color: #1976d2;
  color: white;
}

.nav-btn svg {
  margin: 0 5px;
}

.nav-btn:hover {
  background-color: #0d47a1;
}

.nav-btn:disabled {
  background-color: #455a64;
  cursor: not-allowed;
  opacity: 0.7;
}

/* Стили для статистики в админке */
.question-stats {
  margin-bottom: 30px;
  padding: 20px;
  background-color: #2d2d2d;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.question-stats h3 {
  margin-top: 0;
  margin-bottom: 15px;
  color: #90caf9;
  border-bottom: 1px solid #444;
  padding-bottom: 10px;
}

.no-stats, .no-votes {
  padding: 15px;
  background-color: #383838;
  border-radius: 5px;
  text-align: center;
  color: #aaa;
}

.stats-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 15px;
}

.stats-table th, .stats-table td {
  padding: 10px;
  text-align: left;
  border-bottom: 1px solid #444;
}

.stats-table th {
  background-color: #383838;
  color: #90caf9;
}

.bar-container {
  width: 100%;
  height: 20px;
  background-color: #383838;
  border-radius: 3px;
  overflow: hidden;
}

.bar {
  height: 100%;
  background-color: #64b5f6;
  border-radius: 3px;
  transition: width 0.5s ease-in-out;
}

.total-votes {
  text-align: right;
  font-style: italic;
  color: #aaa;
  margin-top: 10px;
}

/* Стили для облака тегов в статистике */
.tag-cloud-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 15px;
  background-color: #383838;
  border-radius: 5px;
}

.tag-item {
  display: inline-block;
  padding: 5px 10px;
  background-color: #444;
  border-radius: 15px;
  margin-right: 8px;
  margin-bottom: 8px;
  color: #90caf9;
  transition: transform 0.2s ease;
}

.tag-item:hover {
  transform: scale(1.05);
}

/* Стили для шкалы и рейтинга */
.scale-stats {
  padding: 15px;
  background-color: #383838;
  border-radius: 5px;
}

.stat-item {
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stat-label {
  font-weight: bold;
  color: #aaa;
}

.stat-value {
  font-size: 1.1em;
  color: #90caf9;
}

/* Навигация */
.nav-header {
  background-color: #212121;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  padding: 15px 0;
  margin-bottom: 30px;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-size: 1.3rem;
  font-weight: 600;
  color: #61dafb;
  text-decoration: none;
}

.nav-menu {
  display: flex;
  gap: 20px;
}

.nav-link {
  color: #e0e0e0;
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 4px;
  transition: background-color 0.2s;
}

.nav-link:hover {
  background-color: #424242;
  color: #61dafb;
}

.nav-link.active {
  background-color: #424242;
  color: #61dafb;
}

/* Формы - улучшенные чекбоксы и радиокнопки */
.form-container {
  background-color: #2d2d2d;
  padding: 20px;
  border-radius: 5px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 15px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
  color: #bbdefb;
}

/* Улучшенные стили для чекбоксов и радиокнопок */
.radio-option,
.checkbox-option {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
  position: relative;
}

.radio-option input[type="radio"],
.checkbox-option input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.radio-option label,
.checkbox-option label {
  position: relative;
  padding-left: 40px;
  cursor: pointer;
  display: block;
  font-size: 1rem;
  user-select: none;
}

.radio-option label:before,
.checkbox-option label:before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 24px;
  height: 24px;
  border: 2px solid #616161;
  background-color: #424242;
  transition: all 0.3s;
}

.radio-option label:before {
  border-radius: 50%;
}

.checkbox-option label:before {
  border-radius: 4px;
}

.radio-option input[type="radio"]:checked ~ label:before {
  background-color: #2196f3;
  border-color: #2196f3;
}

.checkbox-option input[type="checkbox"]:checked ~ label:before {
  background-color: #4caf50;
  border-color: #4caf50;
}

.radio-option label:after {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  background: white;
  border-radius: 50%;
  top: 7px;
  left: 7px;
  transition: all 0.2s;
  opacity: 0;
  transform: scale(0);
}

.checkbox-option label:after {
  content: '';
  position: absolute;
  left: 9px;
  top: 5px;
  width: 6px;
  height: 12px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  opacity: 0;
  transition: all 0.2s;
}

.radio-option input[type="radio"]:checked ~ label:after {
  opacity: 1;
  transform: scale(1);
}

.checkbox-option input[type="checkbox"]:checked ~ label:after {
  opacity: 1;
  transform: rotate(45deg) scale(1);
}

.radio-option:hover label:before,
.checkbox-option:hover label:before {
  border-color: #90caf9;
}

/* Модальные окна с прогресс-баром */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

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

.modal {
  background-color: #2d2d2d;
  border-radius: 5px;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.3);
  width: 90%;
  max-width: 500px;
  padding: 20px;
  position: relative;
  transform: translateY(-20px);
  transition: transform 0.3s;
  max-height: 90vh;
  overflow-y: auto;
}

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

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 1px solid #444;
}

.modal-header h3 {
  margin: 0;
  color: #64b5f6;
}

.modal-close {
  background: none;
  border: none;
  color: #e0e0e0;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.modal-body {
  margin-bottom: 20px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 10px;
  border-top: 1px solid #444;
}

/* Прогресс-бар для модальных окон */
.modal-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 5px;
  background-color: #2196f3;
  width: 0;
  transition: width 2s linear;
}

.modal-progress.active {
  width: 100%;
}

/* Анимации для опроса */
.question-item {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s, transform 0.5s;
}

.question-item.enter {
  opacity: 0;
  transform: translateY(20px);
}

.question-item.active {
  opacity: 1;
  transform: translateY(0);
}

#question-counter {
  transition: opacity 0.3s, transform 0.3s;
}

#question-counter.update {
  opacity: 0;
  transform: translateY(-10px);
}

/* Анимации для благодарности и приветствия */
.welcome-animation,
.thank-you-animation,
.already-completed {
  background-color: #2d2d2d;
  padding: 30px;
  border-radius: 8px;
  text-align: center;
  margin: 50px auto;
  max-width: 600px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: opacity 0.5s, transform 0.5s;
}

.welcome-icon,
.thank-you-icon,
.completed-icon {
  margin-bottom: 20px;
  color: #4caf50;
}

.welcome-title,
.thank-you-title,
.completed-title {
  color: #64b5f6;
  margin-bottom: 15px;
}

.welcome-description,
.thank-you-description,
.completed-description {
  color: #e0e0e0;
  margin-bottom: 25px;
}

.welcome-start-btn,
.view-results-btn {
  margin: 10px;
}

/* Анимации для ошибок */
.shake-animation {
  animation: shake 0.5s;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
  20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* Улучшенные стили для чекбоксов и радиокнопок */
.radio-option,
.checkbox-option {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
  position: relative;
}

.radio-option input[type="radio"],
.checkbox-option input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.radio-option label,
.checkbox-option label {
  position: relative;
  padding-left: 40px;
  cursor: pointer;
  display: block;
  font-size: 1rem;
  user-select: none;
}

.radio-option label:before,
.checkbox-option label:before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 24px;
  height: 24px;
  border: 2px solid #616161;
  background-color: #424242;
  transition: all 0.3s;
}

.radio-option label:before {
  border-radius: 50%;
}

.checkbox-option label:before {
  border-radius: 4px;
}

.radio-option input[type="radio"]:checked ~ label:before {
  background-color: #2196f3;
  border-color: #2196f3;
}

.checkbox-option input[type="checkbox"]:checked ~ label:before {
  background-color: #4caf50;
  border-color: #4caf50;
}

.radio-option label:after {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  background: white;
  border-radius: 50%;
  top: 7px;
  left: 7px;
  transition: all 0.2s;
  opacity: 0;
  transform: scale(0);
}

.checkbox-option label:after {
  content: '';
  position: absolute;
  left: 9px;
  top: 5px;
  width: 6px;
  height: 12px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  opacity: 0;
  transition: all 0.2s;
}

.radio-option input[type="radio"]:checked ~ label:after {
  opacity: 1;
  transform: scale(1);
}

.checkbox-option input[type="checkbox"]:checked ~ label:after {
  opacity: 1;
  transform: rotate(45deg) scale(1);
}

.radio-option:hover label:before,
.checkbox-option:hover label:before {
  border-color: #90caf9;
}

/* Стили для текстовых ответов в админке */
.text-answers-list {
  margin-top: 15px;
}

.text-answer-item {
  background-color: #383838;
  padding: 12px 15px;
  border-radius: 5px;
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
}

.answer-number {
  font-weight: bold;
  color: #64b5f6;
  margin-right: 10px;
  flex-shrink: 0;
}

.answer-text {
  flex-grow: 1;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Добавляем стили для анимации конфети */
.confetti-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  overflow: hidden;
}

.confetti {
  position: absolute;
  width: 10px;
  height: 10px;
  background-color: #90caf9;
  border-radius: 3px;
  will-change: transform;
}

.confetti.square {
  border-radius: 0;
}

.confetti.triangle {
  width: 0;
  height: 0;
  background-color: transparent;
  border-style: solid;
  border-width: 0 5px 8.7px 5px;
  border-color: transparent transparent #90caf9 transparent;
}

.confetti.circle {
  border-radius: 50%;
}

.confetti.red {
  background-color: #f44336;
  border-color: transparent transparent #f44336 transparent;
}

.confetti.blue {
  background-color: #2196f3;
  border-color: transparent transparent #2196f3 transparent;
}

.confetti.green {
  background-color: #4caf50;
  border-color: transparent transparent #4caf50 transparent;
}

.confetti.yellow {
  background-color: #ffeb3b;
  border-color: transparent transparent #ffeb3b transparent;
}

.confetti.purple {
  background-color: #9c27b0;
  border-color: transparent transparent #9c27b0 transparent;
}

@keyframes confetti-fall {
  0% {
    transform: translateY(-100vh) rotate(0deg);
  }
  100% {
    transform: translateY(100vh) rotate(360deg);
  }
}

@keyframes confetti-sway {
  0% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(10px);
  }
  50% {
    transform: translateX(-10px);
  }
  75% {
    transform: translateX(5px);
  }
  100% {
    transform: translateX(0);
  }
}

/* Медиа-запросы для адаптивности */
@media (max-width: 768px) {
  /* Основные стили */
  .container {
    padding: 15px;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  h3 {
    font-size: 1.25rem;
  }
  
  /* Навигация */
  .nav-container {
    flex-direction: column;
    padding: 10px;
  }
  
  .nav-menu {
    margin-top: 10px;
    width: 100%;
    justify-content: center;
  }
  
  .nav-link {
    margin: 0 10px;
  }
  
  /* Формы */
  .form-group {
    margin-bottom: 15px;
  }
  
  input[type="text"],
  input[type="email"],
  input[type="number"],
  textarea,
  select {
    padding: 8px;
    font-size: 14px;
  }
  
  /* Кнопки */
  .btn {
    padding: 8px 16px;
    font-size: 14px;
  }
  
  .questionnaire-actions {
    flex-direction: column;
  }
  
  .questionnaire-actions .btn {
    width: 100%;
    margin-bottom: 10px;
  }
  
  /* Опросы */
  .question-item {
    padding: 15px;
    margin-bottom: 15px;
  }
  
  /* Навигация по опросу */
  .step-navigation {
    flex-direction: column;
    align-items: center;
  }
  
  .step-navigation .btn {
    width: 100%;
    margin: 5px 0;
  }
  
  .question-counter {
    margin-bottom: 10px;
    width: 100%;
    text-align: center;
  }
  
  /* Шкала оценки */
  .scale-container {
    padding: 10px;
  }
  
  .scale-values {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .scale-item {
    margin: 5px;
  }
  
  /* Облако тегов */
  .tag-cloud-container {
    padding: 10px;
  }
  
  .tag-item {
    margin: 5px;
    font-size: 14px;
    padding: 5px 10px;
  }
  
  /* Результаты опроса */
  .questionnaire-links {
    flex-direction: column;
  }
  
  .link-group {
    width: 100%;
  }
  
  .link-input-group {
    flex-direction: column;
  }
  
  .link-input-group input {
    width: 100%;
    margin-bottom: 10px;
  }
  
  .stats-table th,
  .stats-table td {
    padding: 5px;
    font-size: 14px;
  }
  
  /* Модальные окна */
  .modal-content {
    width: 90%;
    padding: 15px;
  }
  
  .modal-footer {
    flex-direction: column;
  }
  
  .modal-footer .btn {
    width: 100%;
    margin: 5px 0;
  }
  
  /* Улучшенные стили для навигации в опросе на мобильных устройствах */
  .step-navigation {
    flex-direction: column-reverse;
    align-items: stretch;
  }
  
  .step-navigation .btn {
    margin: 5px 0;
    width: 100%;
    height: 44px; /* Увеличиваем высоту для лучшего тача */
  }
  
  .question-counter {
    margin: 10px 0;
    order: -1; /* Показываем счетчик вопросов сверху на мобильных */
  }
  
  /* Улучшения для формы */
  .form-actions {
    flex-direction: column;
    gap: 10px;
  }
  
  .form-actions .btn {
    width: 100%;
    height: 44px; /* Увеличиваем высоту для лучшего тача */
  }
  
  /* Улучшения для textarea */
  textarea {
    min-height: 100px;
  }
  
  /* Улучшения для облака тегов */
  .tag-input {
    width: 100%;
    height: 44px; /* Увеличиваем высоту для лучшего тача */
    font-size: 16px; /* Оптимальный размер шрифта для мобильных устройств */
  }
  
  /* Убираем зум при фокусе на поля ввода */
  input[type="text"],
  input[type="email"],
  input[type="number"],
  textarea,
  select {
    font-size: 16px; /* Оптимальный размер шрифта для мобильных устройств */
  }
}

/* Медиа-запросы для маленьких экранов */
@media (max-width: 480px) {
  h1 {
    font-size: 1.75rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  h3 {
    font-size: 1.25rem;
  }
  
  .container {
    padding: 10px;
  }
  
  .btn {
    padding: 8px 12px;
    font-size: 13px;
  }
  
  .question-item {
    padding: 12px;
  }
  
  .tag-item {
    margin: 3px;
    font-size: 13px;
    padding: 4px 8px;
  }
  
  .scale-item label {
    min-width: 30px;
    height: 30px;
    font-size: 13px;
  }
  
  /* Уменьшаем размер чекбоксов и радиокнопок для лучшего тача */
  input[type="checkbox"], 
  input[type="radio"] {
    transform: scale(1.2);
    margin-right: 8px;
  }
}