/* ============================================
   DESIGN ENHANCEMENTS - Tacticbase
   Микро-взаимодействия и улучшения UX
   ============================================ */

/* Плавные переходы для всех интерактивных элементов */
a, button, .category-card, .world-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
}

/* Hover эффекты для карточек */
.category-card:hover,
.world-card:hover,
.editorial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.category-card:active,
.world-card:active {
  transform: translateY(-2px);
}

/* Анимация для кнопок */
button:not(:disabled):hover {
  transform: scale(1.02);
}

button:not(:disabled):active {
  transform: scale(0.98);
}

/* Focus indicators для доступности */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent, #d7ff00);
  outline-offset: 2px;
}

/* Skeleton loader для загрузки */
.skeleton {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.05) 25%,
    rgba(255, 255, 255, 0.1) 50%,
    rgba(255, 255, 255, 0.05) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: 4px;
}

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

.skeleton-card {
  padding: 20px;
  margin-bottom: 16px;
}

.skeleton-image {
  width: 100%;
  height: 200px;
  margin-bottom: 12px;
}

.skeleton-text {
  height: 16px;
  margin-bottom: 8px;
  width: 100%;
}

.skeleton-text.short {
  width: 60%;
}

/* Toast notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}

.toast {
  background: #2d3238;
  color: white;
  padding: 16px 24px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 280px;
  max-width: 400px;
  transform: translateX(calc(100% + 24px));
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: auto;
}

.toast.show {
  transform: translateX(0);
  opacity: 1;
}

.toast-success {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.toast-error {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.toast-info {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

.toast-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.toast-message {
  flex: 1;
  font-size: 14px;
  line-height: 1.4;
}

.toast-close {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 4px;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.toast-close:hover {
  opacity: 1;
}

/* Плавное появление контента */
.fade-in {
  animation: fadeIn 0.5s ease-out;
}

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

/* Улучшенные scroll indicators */
.scroll-cue {
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

/* Loading spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--accent, #d7ff00);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Ripple effect для кнопок */
.ripple {
  position: relative;
  overflow: hidden;
}

.ripple::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.ripple:active::after {
  width: 300px;
  height: 300px;
}

/* Улучшенные tooltips */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  padding: 6px 12px;
  background: #1a1d20;
  color: white;
  font-size: 12px;
  white-space: nowrap;
  border-radius: 4px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 1000;
}

[data-tooltip]::after {
  content: '';
  position: absolute;
  bottom: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: #1a1d20;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

[data-tooltip]:hover::before,
[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Улучшенные состояния форм */
input:focus,
textarea:focus,
select:focus {
  border-color: var(--accent, #d7ff00);
  box-shadow: 0 0 0 3px rgba(215, 255, 0, 0.1);
}

input:invalid:not(:placeholder-shown) {
  border-color: #ef4444;
}

input:valid:not(:placeholder-shown) {
  border-color: #10b981;
}

/* Progress bar для загрузки */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent, #d7ff00);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
  z-index: 9999;
}

.progress-bar.loading {
  animation: progress 2s ease-in-out infinite;
}

@keyframes progress {
  0% { transform: scaleX(0); }
  50% { transform: scaleX(0.7); }
  100% { transform: scaleX(1); }
}

/* Back to top button */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  background: var(--accent, #d7ff00);
  color: #0b0d0f;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
  z-index: 1000;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

/* Mobile optimizations */
@media (max-width: 768px) {
  .toast-container {
    left: 16px;
    right: 16px;
    bottom: 16px;
  }

  .toast {
    min-width: 0;
    max-width: none;
  }

  .back-to-top {
    bottom: 16px;
    right: 16px;
  }
}

/* Dark mode refinements */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.6);
  }
}

/* Light mode */
:root[data-theme="light"] {
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
}

:root[data-theme="light"] .toast {
  background: white;
  color: #1a1d20;
  box-shadow: var(--shadow-md);
}

/* Reduce motion для пользователей с prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}