/* Panaloko CSS - Core Styles with v81a- prefix
 * CSS class naming rule: All classes must use prefix "v81a-"
 * Color scheme: #8FBC8F (Sea Green) | #A9A9A9 (Dark Gray) | #8B0000 (Dark Red) | #CD853F (Peru) | #FF1493 (Deep Pink) | #1A1A2E (Dark Navy)
 */

/* CSS Variables */
:root {
  --v81a-primary: #8FBC8F;
  --v81a-secondary: #FF1493;
  --v81a-accent: #CD853F;
  --v81a-danger: #8B0000;
  --v81a-neutral: #A9A9A9;
  --v81a-dark: #1A1A2E;
  --v81a-light: #FFFFFF;
  --v81a-bg: #0F0F1E;
  --v81a-bg-secondary: #2A2A3E;
  --v81a-text: #FFFFFF;
  --v81a-text-secondary: #A9A9A9;
  --v81a-text-muted: #6B7280;
  --v81a-border: #374151;
  --v81a-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  --v81a-radius: 12px;
  --v81a-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --v81a-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 62.5%; /* 1rem = 10px for easy rem calculations */
  scroll-behavior: smooth;
}

body {
  font-family: var(--v81a-font-family);
  font-size: 1.6rem;
  line-height: 1.5;
  color: var(--v81a-text);
  background: linear-gradient(135deg, var(--v81a-bg) 0%, var(--v81a-dark) 100%);
  min-height: 100vh;
}

/* Layout Components */
.v81a-wrapper {
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  background: var(--v81a-bg);
  position: relative;
  overflow-x: hidden;
}

.v81a-container {
  padding: 0 1.6rem;
  max-width: 430px;
  margin: 0 auto;
}

.v81a-section {
  padding: 2.4rem 0;
}

/* Header Navigation */
.v81a-header {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--v81a-border);
  z-index: 1000;
  padding: 1.2rem 0;
}

.v81a-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1.6rem;
}

.v81a-logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  color: var(--v81a-primary);
  font-weight: 700;
  font-size: 1.8rem;
}

.v81a-logo img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}

.v81a-nav-actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.v81a-menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  transition: var(--v81a-transition);
}

.v81a-menu-bar {
  width: 24px;
  height: 2px;
  background: var(--v81a-text);
  border-radius: 1px;
  transition: var(--v81a-transition);
}

.v81a-menu-toggle-active .v81a-menu-bar:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.v81a-menu-toggle-active .v81a-menu-bar:nth-child(2) {
  opacity: 0;
}

.v81a-menu-toggle-active .v81a-menu-bar:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

.v81a-nav-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background: rgba(26, 26, 46, 0.98);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--v81a-border);
  padding: 2rem;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: var(--v81a-transition);
  display: grid;
  gap: 1.6rem;
}

.v81a-nav-menu-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.v81a-nav-item {
  color: var(--v81a-text);
  text-decoration: none;
  padding: 1.2rem 1.6rem;
  border-radius: var(--v81a-radius);
  transition: var(--v81a-transition);
  font-weight: 500;
  border: 1px solid transparent;
}

.v81a-nav-item:hover,
.v81a-nav-item:focus {
  background: linear-gradient(135deg, var(--v81a-primary), var(--v81a-secondary));
  color: var(--v81a-light);
  border-color: var(--v81a-primary);
  transform: translateY(-2px);
}

/* Button Components */
.v81a-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.2rem 2.4rem;
  border-radius: var(--v81a-radius);
  font-weight: 600;
  font-size: 1.4rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--v81a-transition);
  min-height: 44px; /* Touch-friendly size */
  gap: 0.8rem;
}

.v81a-btn-primary {
  background: linear-gradient(135deg, var(--v81a-primary), var(--v81a-secondary));
  color: var(--v81a-light);
  box-shadow: var(--v81a-shadow);
}

.v81a-btn-primary:hover,
.v81a-btn-primary:focus {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(143, 188, 143, 0.4);
}

.v81a-btn-secondary {
  background: transparent;
  color: var(--v81a-primary);
  border-color: var(--v81a-primary);
}

.v81a-btn-secondary:hover,
.v81a-btn-secondary:focus {
  background: var(--v81a-primary);
  color: var(--v81a-light);
  transform: translateY(-2px);
}

.v81a-btn-accent {
  background: linear-gradient(135deg, var(--v81a-accent), var(--v81a-secondary));
  color: var(--v81a-light);
}

.v81a-btn-danger {
  background: var(--v81a-danger);
  color: var(--v81a-light);
}

.v81a-btn-sm {
  padding: 0.8rem 1.6rem;
  font-size: 1.2rem;
}

.v81a-btn-lg {
  padding: 1.6rem 3.2rem;
  font-size: 1.6rem;
}

/* Card Components */
.v81a-card {
  background: linear-gradient(135deg, var(--v81a-bg-secondary), var(--v81a-dark));
  border-radius: var(--v81a-radius);
  padding: 2.4rem;
  margin-bottom: 2.4rem;
  border: 1px solid var(--v81a-border);
  box-shadow: var(--v81a-shadow);
  transition: var(--v81a-transition);
}

.v81a-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

.v81a-card-title {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 1.6rem;
  color: var(--v81a-primary);
}

.v81a-card-subtitle {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
  color: var(--v81a-secondary);
}

/* Grid System */
.v81a-grid {
  display: grid;
  gap: 2.4rem;
}

.v81a-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.v81a-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.v81a-grid-4 {
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 380px) {
  .v81a-grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Game Grid Components */
.v81a-games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 1.2rem;
  padding: 1.6rem 0;
}

.v81a-game-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.2rem;
  background: linear-gradient(135deg, var(--v81a-bg-secondary), var(--v81a-dark));
  border-radius: var(--v81a-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--v81a-transition);
  text-decoration: none;
  color: var(--v81a-text);
}

.v81a-game-card:hover,
.v81a-game-card:focus {
  transform: translateY(-6px) scale(1.02);
  border-color: var(--v81a-primary);
  box-shadow: 0 12px 32px rgba(143, 188, 143, 0.3);
}

.v81a-game-selected {
  border-color: var(--v81a-secondary);
  background: linear-gradient(135deg, var(--v81a-secondary), var(--v81a-primary));
}

.v81a-game-icon {
  width: 64px;
  height: 64px;
  border-radius: 8px;
  margin-bottom: 0.8rem;
  object-fit: cover;
}

.v81a-game-name {
  font-size: 1.1rem;
  font-weight: 500;
  text-align: center;
  line-height: 1.3;
  color: inherit;
}

/* Carousel Components */
.v81a-carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--v81a-radius);
  margin-bottom: 2.4rem;
}

.v81a-slides-container {
  display: flex;
  transition: transform 0.5s ease-in-out;
}

.v81a-slide {
  flex: 0 0 100%;
  position: relative;
}

.v81a-slide img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  cursor: pointer;
}

.v81a-carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.6);
  color: var(--v81a-light);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--v81a-transition);
}

.v81a-carousel-prev {
  left: 1rem;
}

.v81a-carousel-next {
  right: 1rem;
}

.v81a-carousel-nav:hover {
  background: rgba(0, 0, 0, 0.8);
}

/* Typography */
.v81a-title {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.6rem;
  background: linear-gradient(135deg, var(--v81a-primary), var(--v81a-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.v81a-subtitle {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
  color: var(--v81a-primary);
}

.v81a-text-center {
  text-align: center;
}

.v81a-text-muted {
  color: var(--v81a-text-muted);
}

.v81a-text-primary {
  color: var(--v81a-primary);
}

.v81a-text-secondary {
  color: var(--v81a-secondary);
}

/* Spacing Utilities */
.v81a-mt-1 { margin-top: 0.8rem; }
.v81a-mt-2 { margin-top: 1.6rem; }
.v81a-mt-3 { margin-top: 2.4rem; }
.v81a-mb-1 { margin-bottom: 0.8rem; }
.v81a-mb-2 { margin-bottom: 1.6rem; }
.v81a-mb-3 { margin-bottom: 2.4rem; }
.v81a-p-1 { padding: 0.8rem; }
.v81a-p-2 { padding: 1.6rem; }
.v81a-p-3 { padding: 2.4rem; }

/* Footer */
.v81a-footer {
  background: var(--v81a-dark);
  border-top: 1px solid var(--v81a-border);
  padding: 3.2rem 0 8rem; /* Extra bottom padding for fixed bottom nav */
  margin-top: 4.8rem;
}

.v81a-footer-content {
  display: grid;
  gap: 2.4rem;
}

.v81a-footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
}

.v81a-footer-link {
  color: var(--v81a-text-secondary);
  text-decoration: none;
  padding: 0.8rem;
  border-radius: 6px;
  transition: var(--v81a-transition);
  font-size: 1.4rem;
}

.v81a-footer-link:hover {
  color: var(--v81a-primary);
  background: rgba(143, 188, 143, 0.1);
}

.v81a-partners {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  justify-content: center;
  align-items: center;
  padding: 2.4rem 0;
}

.v81a-partner-logo {
  width: 40px;
  height: 40px;
  opacity: 0.7;
  transition: var(--v81a-transition);
  border-radius: 6px;
}

.v81a-partner-logo:hover {
  opacity: 1;
  transform: scale(1.1);
}

.v81a-copyright {
  text-align: center;
  color: var(--v81a-text-muted);
  font-size: 1.3rem;
  line-height: 1.6;
  border-top: 1px solid var(--v81a-border);
  padding-top: 2.4rem;
}

/* Bottom Navigation */
.v81a-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: 64px;
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--v81a-border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
}

.v81a-bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--v81a-text-secondary);
  font-size: 1.0rem;
  font-weight: 500;
  padding: 0.8rem;
  border-radius: 8px;
  transition: var(--v81a-transition);
  min-width: 64px;
  min-height: 44px;
}

.v81a-bottom-nav-icon {
  font-size: 2.0rem;
  margin-bottom: 0.2rem;
  transition: var(--v81a-transition);
}

.v81a-bottom-nav-item:hover,
.v81a-bottom-nav-item:focus,
.v81a-nav-active {
  color: var(--v81a-primary);
  background: rgba(143, 188, 143, 0.1);
  transform: translateY(-2px);
}

.v81a-bottom-nav-item:hover .v81a-bottom-nav-icon,
.v81a-nav-active .v81a-bottom-nav-icon {
  transform: scale(1.2);
  color: var(--v81a-secondary);
}

/* Loading States */
.v81a-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--v81a-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.v81a-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--v81a-border);
  border-top: 4px solid var(--v81a-primary);
  border-radius: 50%;
  animation: v81a-spin 1s linear infinite;
}

@keyframes v81a-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Notification System */
.v81a-notification {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--v81a-primary);
  color: var(--v81a-light);
  padding: 1.2rem 2.4rem;
  border-radius: var(--v81a-radius);
  font-weight: 500;
  transform: translateX(100%);
  transition: var(--v81a-transition);
  z-index: 1001;
  max-width: 300px;
}

.v81a-notification-show {
  transform: translateX(0);
}

.v81a-notification-error {
  background: var(--v81a-danger);
}

.v81a-notification-success {
  background: var(--v81a-primary);
}

/* Lazy Loading */
.v81a-lazy {
  opacity: 0;
  transition: opacity 0.3s;
}

/* Responsive Adjustments */
@media (max-width: 360px) {
  .v81a-container {
    padding: 0 1.2rem;
  }
  
  .v81a-games-grid {
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 1rem;
  }
  
  .v81a-game-icon {
    width: 56px;
    height: 56px;
  }
  
  .v81a-game-name {
    font-size: 1.0rem;
  }
}

/* High DPI Display Support */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .v81a-game-icon,
  .v81a-partner-logo {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

/* Focus States for Accessibility */
.v81a-btn:focus,
.v81a-game-card:focus,
.v81a-nav-item:focus,
.v81a-bottom-nav-item:focus {
  outline: 2px solid var(--v81a-primary);
  outline-offset: 2px;
}

/* Animation for page transitions */
.v81a-page-enter {
  opacity: 0;
  transform: translateY(20px);
}

.v81a-page-enter-active {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.3s ease-in-out;
}

/* Print Styles */
@media print {
  .v81a-header,
  .v81a-bottom-nav,
  .v81a-carousel-nav {
    display: none;
  }
}