/**
 * 🎓 Tutorial Welcome Popup Styles
 * Стили для плавающего окна приглашения к туториалу
 * Version: 1.0.0
 */

/* ============================================
   ОСНОВНЫЕ ПЕРЕМЕННЫЕ
   ============================================ */
:root {
  --msp-welcome-primary: #ff6b6b;
  --msp-welcome-primary-hover: #ee5a52;
  --msp-welcome-secondary: #4ecdc4;
  --msp-welcome-background: #ffffff;
  --msp-welcome-text: #2d3436;
  --msp-welcome-text-light: #636e72;
  --msp-welcome-border: #e9ecef;
  --msp-welcome-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  --msp-welcome-overlay: rgba(0, 0, 0, 0.5);
  --msp-welcome-radius: 20px;
  --msp-welcome-animation-duration: 0.4s;
}

/* ============================================
   ОСНОВНОЙ КОНТЕЙНЕР POPUP
   ============================================ */
.msp-tutorial-welcome-popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--msp-welcome-overlay);
  backdrop-filter: blur(4px);
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-sizing: border-box;
  
  /* Изначально скрыт */
  opacity: 0;
  visibility: hidden;
  transition: all var(--msp-welcome-animation-duration) ease-out;
  
  /* Поддержка старых браузеров */
  -webkit-backdrop-filter: blur(4px);
}

.msp-tutorial-welcome-popup.msp-welcome-visible {
  opacity: 1;
  visibility: visible;
}

.msp-tutorial-welcome-popup.msp-welcome-hiding {
  opacity: 0;
  transform: scale(0.95);
}

/* ============================================
   КАРТОЧКА POPUP
   ============================================ */
.msp-welcome-card {
  background: var(--msp-welcome-background);
  border-radius: var(--msp-welcome-radius);
  box-shadow: var(--msp-welcome-shadow);
  max-width: 480px;
  width: 100%;
  position: relative;
  padding: 0;
  overflow: hidden;
  
  /* Анимация появления */
  transform: translateY(30px) scale(0.95);
  transition: all var(--msp-welcome-animation-duration) ease-out;
}

.msp-welcome-visible .msp-welcome-card {
  transform: translateY(0) scale(1);
}

/* ============================================
   ИКОНКА
   ============================================ */
.msp-welcome-icon {
  background: linear-gradient(135deg, var(--msp-welcome-primary) 0%, var(--msp-welcome-secondary) 100%);
  color: white;
  font-size: 48px;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 32px auto 24px;
  position: relative;
  box-shadow: 0 8px 25px rgba(255, 107, 107, 0.3);
  
  /* Пульсирующая анимация */
  animation: msp-welcome-pulse 2s ease-in-out infinite;
}

@keyframes msp-welcome-pulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.3);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 12px 35px rgba(255, 107, 107, 0.4);
  }
}

/* ============================================
   КОНТЕНТ
   ============================================ */
.msp-welcome-content {
  padding: 0 32px 24px;
  text-align: center;
}

.msp-welcome-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--msp-welcome-text);
  margin: 0 0 16px;
  line-height: 1.3;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
}

.msp-welcome-description {
  font-size: 16px;
  color: var(--msp-welcome-text-light);
  margin: 0 0 24px;
  line-height: 1.5;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
}

/* ============================================
   ОСОБЕННОСТИ (FEATURES)
   ============================================ */
.msp-welcome-features {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 8px;
}

.msp-welcome-feature {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  color: var(--msp-welcome-text);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--msp-welcome-border);
  white-space: nowrap;
  transition: all 0.2s ease;
}

.msp-welcome-feature:hover {
  background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
  transform: translateY(-1px);
}

/* ============================================
   КНОПКИ ДЕЙСТВИЙ
   ============================================ */
.msp-welcome-actions {
  display: flex;
  gap: 12px;
  padding: 0 32px 32px;
  justify-content: center;
}

.msp-welcome-btn {
  border: none;
  border-radius: 12px;
  padding: 14px 28px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  outline: none;
  position: relative;
  overflow: hidden;
  min-width: 140px;
}

/* Кнопка "Начать тур" */
.msp-welcome-btn-start {
  background: linear-gradient(135deg, var(--msp-welcome-primary) 0%, var(--msp-welcome-secondary) 100%);
  color: white;
  box-shadow: 0 6px 20px rgba(255, 107, 107, 0.3);
}

.msp-welcome-btn-start:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(255, 107, 107, 0.4);
}

.msp-welcome-btn-start:active {
  transform: translateY(-1px);
  transition: transform 0.1s ease;
}

/* Эффект волны при клике */
.msp-welcome-btn-start::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.3s ease;
}

.msp-welcome-btn-start:active::before {
  width: 300px;
  height: 300px;
}

/* Кнопка "Позже" */
.msp-welcome-btn-later {
  background: var(--msp-welcome-background);
  color: var(--msp-welcome-text-light);
  border: 2px solid var(--msp-welcome-border);
}

.msp-welcome-btn-later:hover {
  background: #f8f9fa;
  color: var(--msp-welcome-text);
  border-color: #dee2e6;
  transform: translateY(-2px);
}

/* ============================================
   КНОПКА ЗАКРЫТИЯ
   ============================================ */
.msp-welcome-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border: none;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  color: var(--msp-welcome-text-light);
  font-size: 24px;
  line-height: 40px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.msp-welcome-close:hover {
  background: rgba(255, 255, 255, 1);
  color: var(--msp-welcome-text);
  transform: rotate(90deg) scale(1.1);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

/* ============================================
   ПОДСКАЗКА ВНИЗУ
   ============================================ */
.msp-welcome-hint {
  background: linear-gradient(135deg, #f1f3f5 0%, #e9ecef 100%);
  color: var(--msp-welcome-text-light);
  padding: 16px 32px;
  font-size: 13px;
  text-align: center;
  border-top: 1px solid var(--msp-welcome-border);
  line-height: 1.4;
  font-style: italic;
}

/* ============================================
   МОБИЛЬНАЯ АДАПТАЦИЯ
   ============================================ */
@media (max-width: 768px) {
  .msp-tutorial-welcome-popup {
    padding: 16px;
  }

  .msp-welcome-card {
    max-width: none;
    margin: 0;
  }

  .msp-welcome-icon {
    font-size: 40px;
    width: 70px;
    height: 70px;
    margin: 24px auto 20px;
  }

  .msp-welcome-content {
    padding: 0 24px 20px;
  }

  .msp-welcome-title {
    font-size: 20px;
    margin-bottom: 12px;
  }

  .msp-welcome-description {
    font-size: 15px;
    margin-bottom: 20px;
  }

  .msp-welcome-features {
    gap: 6px;
    margin-bottom: 6px;
  }

  .msp-welcome-feature {
    font-size: 13px;
    padding: 6px 12px;
  }

  .msp-welcome-actions {
    flex-direction: column;
    padding: 0 24px 24px;
    gap: 10px;
  }

  .msp-welcome-btn {
    padding: 16px 24px;
    font-size: 16px;
    width: 100%;
    min-width: auto;
  }

  .msp-welcome-hint {
    padding: 12px 24px;
    font-size: 12px;
  }

  .msp-welcome-close {
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    font-size: 20px;
    line-height: 36px;
  }
}

/* ============================================
   ТЕМНАЯ ТЕМА
   ============================================ */
@media (prefers-color-scheme: dark) {
  :root {
    --msp-welcome-background: #2d3436;
    --msp-welcome-text: #f8f9fa;
    --msp-welcome-text-light: #b2bec3;
    --msp-welcome-border: #495057;
    --msp-welcome-overlay: rgba(0, 0, 0, 0.8);
  }

  .msp-welcome-feature {
    background: linear-gradient(135deg, #495057 0%, #6c757d 100%);
    border-color: #6c757d;
    color: var(--msp-welcome-text);
  }

  .msp-welcome-feature:hover {
    background: linear-gradient(135deg, #6c757d 0%, #868e96 100%);
  }

  .msp-welcome-btn-later {
    background: transparent;
    color: var(--msp-welcome-text-light);
    border-color: #6c757d;
  }

  .msp-welcome-btn-later:hover {
    background: #495057;
    color: var(--msp-welcome-text);
    border-color: #868e96;
  }

  .msp-welcome-close {
    background: rgba(45, 52, 54, 0.9);
    color: var(--msp-welcome-text-light);
  }

  .msp-welcome-close:hover {
    background: rgba(45, 52, 54, 1);
    color: var(--msp-welcome-text);
  }

  .msp-welcome-hint {
    background: linear-gradient(135deg, #343a40 0%, #495057 100%);
    border-color: #495057;
  }
}

/* ============================================
   ФОКУС И ДОСТУПНОСТЬ
   ============================================ */
.msp-welcome-btn:focus,
.msp-welcome-close:focus {
  outline: 3px solid var(--msp-welcome-secondary);
  outline-offset: 2px;
}

/* Анимации при загрузке */
@keyframes msp-welcome-slide-up {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.msp-welcome-content > * {
  animation: msp-welcome-slide-up 0.6s ease-out forwards;
}

.msp-welcome-title {
  animation-delay: 0.1s;
}

.msp-welcome-description {
  animation-delay: 0.2s;
}

.msp-welcome-features {
  animation-delay: 0.3s;
}

.msp-welcome-actions {
  animation: msp-welcome-slide-up 0.6s ease-out 0.4s forwards;
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  .msp-tutorial-welcome-popup,
  .msp-welcome-card,
  .msp-welcome-btn,
  .msp-welcome-close,
  .msp-welcome-icon {
    animation: none;
    transition: none;
  }

  .msp-welcome-icon {
    animation: none;
  }

  .msp-welcome-content > *,
  .msp-welcome-actions {
    animation: none;
  }
}