/**
 * Дополнительные утилитарные классы
 * Подключается автоматически после style.css
 */

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

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

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

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

/* Классы для анимаций */
.fade-in {
  animation: fadeIn 0.6s ease-in;
}

.fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

.fade-in-down {
  animation: fadeInDown 0.8s ease-out;
}

.slide-in-left {
  animation: slideInLeft 0.8s ease-out;
}

.slide-in-right {
  animation: slideInRight 0.8s ease-out;
}

.pulse {
  animation: pulse 2s ease-in-out infinite;
}

/* Анимация при скролле */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* ============================
   УТИЛИТАРНЫЕ КЛАССЫ
   ============================ */

/* Отступы */
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 0.5rem !important; }
.mt-2 { margin-top: 1rem !important; }
.mt-3 { margin-top: 1.5rem !important; }
.mt-4 { margin-top: 2rem !important; }
.mt-5 { margin-top: 3rem !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.5rem !important; }
.mb-2 { margin-bottom: 1rem !important; }
.mb-3 { margin-bottom: 1.5rem !important; }
.mb-4 { margin-bottom: 2rem !important; }
.mb-5 { margin-bottom: 3rem !important; }

.pt-0 { padding-top: 0 !important; }
.pt-1 { padding-top: 0.5rem !important; }
.pt-2 { padding-top: 1rem !important; }
.pt-3 { padding-top: 1.5rem !important; }
.pt-4 { padding-top: 2rem !important; }
.pt-5 { padding-top: 3rem !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-1 { padding-bottom: 0.5rem !important; }
.pb-2 { padding-bottom: 1rem !important; }
.pb-3 { padding-bottom: 1.5rem !important; }
.pb-4 { padding-bottom: 2rem !important; }
.pb-5 { padding-bottom: 3rem !important; }

/* Текст */
.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }

.text-uppercase { text-transform: uppercase !important; }
.text-lowercase { text-transform: lowercase !important; }
.text-capitalize { text-transform: capitalize !important; }

.font-light { font-weight: 300 !important; }
.font-normal { font-weight: 400 !important; }
.font-medium { font-weight: 500 !important; }
.font-semibold { font-weight: 600 !important; }
.font-bold { font-weight: 700 !important; }

/* Цвета текста */
.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-accent { color: var(--accent-color) !important; }
.text-dark { color: var(--text-dark) !important; }
.text-light { color: var(--text-light) !important; }
.text-white { color: var(--white) !important; }

/* Фоны */
.bg-primary { background-color: var(--primary-color) !important; }
.bg-secondary { background-color: var(--secondary-color) !important; }
.bg-accent { background-color: var(--accent-color) !important; }
.bg-light { background-color: var(--bg-light) !important; }
.bg-white { background-color: var(--white) !important; }

/* Display */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-flex { display: flex !important; }
.d-grid { display: grid !important; }

/* Flex утилиты */
.flex-row { flex-direction: row !important; }
.flex-column { flex-direction: column !important; }
.justify-start { justify-content: flex-start !important; }
.justify-center { justify-content: center !important; }
.justify-end { justify-content: flex-end !important; }
.justify-between { justify-content: space-between !important; }
.align-start { align-items: flex-start !important; }
.align-center { align-items: center !important; }
.align-end { align-items: flex-end !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }

/* Позиционирование */
.position-relative { position: relative !important; }
.position-absolute { position: absolute !important; }
.position-fixed { position: fixed !important; }

/* Overflow */
.overflow-hidden { overflow: hidden !important; }
.overflow-auto { overflow: auto !important; }
.overflow-scroll { overflow: scroll !important; }

/* Radius */
.rounded-sm { border-radius: 5px !important; }
.rounded { border-radius: 10px !important; }
.rounded-lg { border-radius: 15px !important; }
.rounded-xl { border-radius: 20px !important; }
.rounded-full { border-radius: 50% !important; }

/* Тени */
.shadow-sm {
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05) !important;
}
.shadow {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1) !important;
}
.shadow-lg {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15) !important;
}
.shadow-xl {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2) !important;
}

/* Ширина */
.w-25 { width: 25% !important; }
.w-50 { width: 50% !important; }
.w-75 { width: 75% !important; }
.w-100 { width: 100% !important; }
.w-auto { width: auto !important; }

/* Высота */
.h-25 { height: 25% !important; }
.h-50 { height: 50% !important; }
.h-75 { height: 75% !important; }
.h-100 { height: 100% !important; }
.h-auto { height: auto !important; }

/* ============================
   МЕДИА-ЗАПРОСЫ ДЛЯ УТИЛИТ
   ============================ */

@media (max-width: 768px) {
  .d-md-none { display: none !important; }
  .d-md-block { display: block !important; }
  .d-md-flex { display: flex !important; }
  
  .text-md-center { text-align: center !important; }
  .text-md-left { text-align: left !important; }
  .text-md-right { text-align: right !important; }
  
  .flex-md-column { flex-direction: column !important; }
  .flex-md-row { flex-direction: row !important; }
}

@media (min-width: 769px) {
  .d-lg-none { display: none !important; }
  .d-lg-block { display: block !important; }
  .d-lg-flex { display: flex !important; }
}

/* ============================
   ДОПОЛНИТЕЛЬНЫЕ КОМПОНЕНТЫ
   ============================ */

/* Разделители */
.divider {
  width: 100%;
  height: 1px;
  background: rgba(0, 0, 0, 0.1);
  margin: 2rem 0;
}

.divider-vertical {
  width: 1px;
  height: 100%;
  background: rgba(0, 0, 0, 0.1);
  margin: 0 2rem;
}

/* Бейджи */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 20px;
  background: var(--primary-color);
  color: var(--white);
}

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

.badge-accent {
  background: var(--accent-color);
}

/* Карточки */
.card {
  background: var(--white);
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.card-body {
  padding: 1.5rem;
}

.card-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  font-weight: 600;
}

.card-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  background: var(--bg-light);
}

/* Прелоадеры */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(0, 0, 0, 0.1);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Overlay */
.overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

/* Tooltips */
.tooltip {
  position: relative;
  cursor: help;
}

.tooltip:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.5rem 1rem;
  background: var(--text-dark);
  color: var(--white);
  font-size: 0.85rem;
  white-space: nowrap;
  border-radius: 5px;
  margin-bottom: 5px;
  z-index: 1000;
}

/* Прогресс-бар */
.progress {
  width: 100%;
  height: 8px;
  background: var(--bg-light);
  border-radius: 10px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

/* Алерты */
.alert {
  padding: 1rem 1.5rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  border-left: 4px solid;
}

.alert-info {
  background: #e3f2fd;
  border-color: #2196f3;
  color: #1976d2;
}

.alert-success {
  background: #e8f5e9;
  border-color: #4caf50;
  color: #2e7d32;
}

.alert-warning {
  background: #fff3e0;
  border-color: #ff9800;
  color: #e65100;
}

.alert-danger {
  background: #ffebee;
  border-color: #f44336;
  color: #c62828;
}

/* Градиенты */
.gradient-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.gradient-accent {
  background: linear-gradient(135deg, var(--accent-color) 0%, #e8b88a 100%);
}

/* Видимость для доступности */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Очистка float */
.clearfix::after {
  content: "";
  display: table;
  clear: both;
}