/*
 * МЯГКИЕ АНИМАЦИИ COFFEERANKS v4.0
 * Дата: 2025-08-25
 * Деликатные и приятные анимации
 */

/* =============================================================================
   МЯГКИЕ АНИМАЦИИ
   ============================================================================= */

/* CSS переменные для мягких анимаций */
:root {
  --animation-gentle: 0.25s ease-in-out;
  --animation-smooth: 0.4s ease-in-out;
  --animation-soft: 0.6s ease-in-out;
  --soft-bounce: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --gentle-ease: cubic-bezier(0.23, 1, 0.32, 1);
}

/* Мягкие базовые анимации */
@keyframes gentleFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* =============================================================================
   ПРИМЕНЕНИЕ АНИМАЦИЙ К ЭЛЕМЕНТАМ
   ============================================================================= */

/* Карточки кофе с анимацией появления */
.coffee-card {
  animation: fadeIn 0.6s ease-out forwards;
  animation-delay: calc(var(--card-index, 0) * 0.1s);
}

/* Анимация для мобильных фильтров */
.filters-section.mobile-open {
  animation: slideInUp 0.4s var(--bounce-effect) forwards;
}

/* Анимация навигации */
.nav-links.mobile-open {
  animation: slideInDown 0.3s ease-out forwards;
}

.nav-links li {
  animation: fadeIn 0.4s ease-out forwards;
  animation-delay: calc(var(--nav-index, 0) * 0.1s);
}

/* Анимация модальных окон */
.modal {
  animation: scaleIn 0.3s var(--bounce-effect) forwards;
}

/* Hover эффекты с анимациями */
.coffee-card:hover {
  animation: none; /* Отключаем базовую анимацию при hover */
}

.filter-chip:hover {
  animation: pulse 0.3s ease-in-out;
}

/* Анимация загрузки для skeleton */
.loading-skeleton {
  background: linear-gradient(
    90deg,
    var(--surface-white) 25%,
    var(--border-light) 50%,
    var(--surface-white) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 2s infinite linear;
}

/* Floating эффект для важных элементов */
.mobile-filters-toggle {
  animation: float 3s ease-in-out infinite;
}

/* =============================================================================
   ПЕРЕХОДЫ ДЛЯ ИНТЕРАКТИВНЫХ ЭЛЕМЕНТОВ
   ============================================================================= */

/* Кнопки */
.btn {
  transition: all var(--animation-fast);
  position: relative;
  overflow: hidden;
}

.btn:before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transition: width 0.6s, height 0.6s;
  transform: translate(-50%, -50%);
}

.btn:active:before {
  width: 300px;
  height: 300px;
}

/* Поля ввода */
.form-input,
.search-input {
  transition: all var(--animation-normal);
}

.form-input:focus,
.search-input:focus {
  transform: translateY(-2px);
}

/* Карточки */
.coffee-card {
  transition: all var(--animation-normal);
  transform-origin: center bottom;
}

.coffee-card:hover {
  transform: translateY(-8px) scale(1.02);
}

/* Чипсы фильтров */
.filter-chip {
  transition: all var(--animation-fast);
  position: relative;
}

.filter-chip:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-brown);
  transition: all var(--animation-normal);
  transform: translateX(-50%);
}

.filter-chip.active:after {
  width: 100%;
}

/* =============================================================================
   СПЕЦИАЛЬНЫЕ ЭФФЕКТЫ
   ============================================================================= */

/* Глубина с тенями */
.elevated-1 {
  box-shadow: 0 1px 3px rgba(111, 78, 55, 0.12);
  transition: box-shadow var(--animation-normal);
}

.elevated-2 {
  box-shadow: 0 4px 12px rgba(111, 78, 55, 0.15);
  transition: box-shadow var(--animation-normal);
}

.elevated-3 {
  box-shadow: 0 8px 24px rgba(111, 78, 55, 0.18);
  transition: box-shadow var(--animation-normal);
}

/* Глянцевый эффект */
.glossy {
  position: relative;
  overflow: hidden;
}

.glossy:before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.4) 50%,
    transparent 100%
  );
  transition: left 0.6s ease;
}

.glossy:hover:before {
  left: 100%;
}

/* Эффект волны */
.wave-effect {
  position: relative;
  overflow: hidden;
}

.wave-effect:after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at center,
    rgba(111, 78, 55, 0.1) 0%,
    transparent 70%
  );
  transform: scale(0);
  transition: transform 0.6s ease;
}

.wave-effect:active:after {
  transform: scale(2);
}

/* =============================================================================
   АДАПТИВНЫЕ АНИМАЦИИ
   ============================================================================= */

/* Отключаем анимации на слабых устройствах */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .coffee-card,
  .filter-chip,
  .btn {
    transform: none !important;
  }
}

/* Упрощенные анимации для мобильных */
@media (max-width: 768px) {
  .coffee-card:hover {
    transform: translateY(-4px) scale(1.01);
  }
  
  .btn:before {
    display: none;
  }
  
  .glossy:before {
    display: none;
  }
}

/* =============================================================================
   КАСТОМНЫЕ АНИМАЦИИ ДЛЯ КОНКРЕТНЫХ ЭЛЕМЕНТОВ
   ============================================================================= */

/* Анимация счетчика результатов */
.results-count {
  transition: all var(--animation-normal);
}

.results-count.updating {
  color: var(--primary-brown);
  transform: scale(1.1);
}

/* Анимация ценового слайдера */
.price-slider::-webkit-slider-thumb {
  transition: all var(--animation-fast);
}

.price-slider::-webkit-slider-thumb:active {
  transform: scale(1.2);
  box-shadow: 0 0 0 8px rgba(111, 78, 55, 0.2);
}

/* Анимация звезд рейтинга */
.stars i {
  transition: all var(--animation-fast);
}

.coffee-card:hover .stars i {
  transform: scale(1.1);
}

.stars i:nth-child(1) { transition-delay: 0s; }
.stars i:nth-child(2) { transition-delay: 0.05s; }
.stars i:nth-child(3) { transition-delay: 0.1s; }
.stars i:nth-child(4) { transition-delay: 0.15s; }
.stars i:nth-child(5) { transition-delay: 0.2s; }

/* Анимация вкусовых нот */
.taste-note {
  transition: all var(--animation-fast);
  transform-origin: center;
}

.coffee-card:hover .taste-note {
  transform: translateY(-2px);
}

.taste-note:nth-child(1) { transition-delay: 0s; }
.taste-note:nth-child(2) { transition-delay: 0.05s; }
.taste-note:nth-child(3) { transition-delay: 0.1s; }
.taste-note:nth-child(4) { transition-delay: 0.15s; }

/* =============================================================================
   УТИЛИТАРНЫЕ КЛАССЫ ДЛЯ АНИМАЦИЙ
   ============================================================================= */

.animate-fade-in { animation: fadeIn 0.5s ease-out forwards; }
.animate-slide-up { animation: slideInUp 0.5s ease-out forwards; }
.animate-scale-in { animation: scaleIn 0.3s var(--bounce-effect) forwards; }
.animate-pulse { animation: pulse 1s ease-in-out infinite; }
.animate-float { animation: float 3s ease-in-out infinite; }

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

/* Классы для управления видимостью */
.fade-enter {
  opacity: 0;
  transform: translateY(20px);
}

.fade-enter-active {
  opacity: 1;
  transform: translateY(0);
  transition: all var(--animation-normal);
}

.fade-exit {
  opacity: 1;
  transform: translateY(0);
}

.fade-exit-active {
  opacity: 0;
  transform: translateY(-20px);
  transition: all var(--animation-normal);
}