/* OTSOBET CSS Stylesheet - wa7fb- prefix */
/* Mobile-first responsive design with coral/blue premium theme */

:root {
  --wa7fb-primary: #FF8A80;
  --wa7fb-secondary: #BAE1FF;
  --wa7fb-coral: #F08080;
  --wa7fb-bg: #212F3D;
  --wa7fb-text: #BAE1FF;
  --wa7fb-text-dark: #1A1A1A;
  --wa7fb-border: #2A3F54;
  --wa7fb-success: #66BB6A;
  --wa7fb-warning: #FFA726;
  --wa7fb-shadow: 0 4px 12px rgba(255, 138, 128, 0.2);
  --wa7fb-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  font-size: 1.4rem;
  line-height: 1.6;
  color: var(--wa7fb-text);
  background-color: var(--wa7fb-bg);
  background-image: linear-gradient(135deg, var(--wa7fb-bg) 0%, #2C3E50 100%);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: var(--wa7fb-primary);
}

h1 {
  font-size: 2.8rem;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 2.2rem;
  margin-bottom: 1.2rem;
}

h3 {
  font-size: 1.8rem;
  margin-bottom: 0.8rem;
}

p {
  margin-bottom: 1rem;
  color: var(--wa7fb-text);
}

a {
  color: var(--wa7fb-primary);
  text-decoration: none;
  transition: var(--wa7fb-transition);
}

a:hover {
  color: var(--wa7fb-coral);
  text-decoration: underline;
}

/* Container */
.wa7fb-container {
  width: 100%;
  max-width: 100%;
  padding: 0 1.5rem;
  margin: 0 auto;
}

@media (min-width: 430px) {
  .wa7fb-container {
    padding: 0 2rem;
  }
}

@media (min-width: 768px) {
  .wa7fb-container {
    max-width: 1200px;
    padding: 0 2.5rem;
  }
}

/* Header */
.wa7fb-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(135deg, var(--wa7fb-bg) 0%, rgba(33, 47, 61, 0.95) 100%);
  border-bottom: 2px solid var(--wa7fb-primary);
  backdrop-filter: blur(10px);
  padding: 1rem 1.5rem;
  box-shadow: var(--wa7fb-shadow);
}

.wa7fb-header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.wa7fb-logo {
  font-size: 2rem;
  font-weight: 700;
  color: var(--wa7fb-primary);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.wa7fb-header-nav {
  display: none;
  gap: 1rem;
}

@media (min-width: 769px) {
  .wa7fb-header-nav {
    display: flex;
    gap: 1.5rem;
  }
}

.wa7fb-menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

@media (min-width: 769px) {
  .wa7fb-menu-toggle {
    display: none;
  }
}

.wa7fb-menu-toggle span {
  width: 2.2rem;
  height: 0.2rem;
  background-color: var(--wa7fb-primary);
  border-radius: 0.1rem;
  transition: var(--wa7fb-transition);
}

/* Buttons */
.wa7fb-btn {
  display: inline-block;
  padding: 0.8rem 1.6rem;
  border: none;
  border-radius: 0.4rem;
  font-size: 1.4rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--wa7fb-transition);
  min-height: 44px;
  min-width: 44px;
  text-align: center;
  white-space: nowrap;
}

.wa7fb-btn-primary {
  background-color: var(--wa7fb-primary);
  color: var(--wa7fb-text-dark);
}

.wa7fb-btn-primary:hover {
  background-color: var(--wa7fb-coral);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 138, 128, 0.3);
}

.wa7fb-btn-secondary {
  background-color: var(--wa7fb-secondary);
  color: var(--wa7fb-bg);
}

.wa7fb-btn-secondary:hover {
  background-color: #A0D1FF;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(186, 225, 255, 0.3);
}

.wa7fb-btn-outline {
  border: 2px solid var(--wa7fb-primary);
  background: transparent;
  color: var(--wa7fb-primary);
}

.wa7fb-btn-outline:hover {
  background-color: rgba(255, 138, 128, 0.1);
}

.wa7fb-promo-btn {
  background: linear-gradient(135deg, var(--wa7fb-primary), var(--wa7fb-coral));
  color: var(--wa7fb-text-dark);
  font-weight: 700;
}

.wa7fb-promo-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 25px rgba(255, 138, 128, 0.4);
}

/* Main Content */
main {
  padding-top: 70px;
}

@media (max-width: 768px) {
  main {
    padding-bottom: 80px;
  }
}

/* Sections */
.wa7fb-section {
  padding: 3rem 0;
  border-bottom: 1px solid var(--wa7fb-border);
}

.wa7fb-section:last-child {
  border-bottom: none;
}

@media (max-width: 430px) {
  .wa7fb-section {
    padding: 2rem 0;
  }
}

/* Carousel */
.wa7fb-carousel {
  position: relative;
  overflow: hidden;
  border-radius: 0.8rem;
  margin-bottom: 2rem;
  box-shadow: var(--wa7fb-shadow);
}

.wa7fb-carousel-slides {
  display: flex;
  animation: wa7fb-slide 15s infinite;
}

.wa7fb-carousel-slide {
  min-width: 100%;
  height: 200px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.wa7fb-carousel-slide::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 138, 128, 0.2), rgba(186, 225, 255, 0.2));
}

@keyframes wa7fb-slide {
  0%, 20% { transform: translateX(0); }
  25%, 45% { transform: translateX(-100%); }
  50%, 70% { transform: translateX(-200%); }
  75%, 100% { transform: translateX(0); }
}

@media (min-width: 769px) {
  .wa7fb-carousel-slide {
    height: 300px;
  }
}

/* Game Grid */
.wa7fb-games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

@media (min-width: 430px) {
  .wa7fb-games-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1.2rem;
  }
}

@media (min-width: 768px) {
  .wa7fb-games-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.5rem;
  }
}

/* Game Item */
.wa7fb-game-item {
  background: linear-gradient(135deg, rgba(255, 138, 128, 0.1), rgba(186, 225, 255, 0.1));
  border: 1px solid var(--wa7fb-border);
  border-radius: 0.8rem;
  overflow: hidden;
  cursor: pointer;
  transition: var(--wa7fb-transition);
  display: flex;
  flex-direction: column;
  opacity: 1;
  transform: scale(1);
}

.wa7fb-game-item:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: var(--wa7fb-primary);
  box-shadow: 0 8px 25px rgba(255, 138, 128, 0.3);
  background: linear-gradient(135deg, rgba(255, 138, 128, 0.15), rgba(186, 225, 255, 0.15));
}

.wa7fb-game-image {
  width: 100%;
  height: 100px;
  background: linear-gradient(45deg, var(--wa7fb-border), rgba(255, 138, 128, 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

@media (min-width: 430px) {
  .wa7fb-game-image {
    height: 120px;
  }
}

.wa7fb-game-info {
  padding: 0.8rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.wa7fb-game-name {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--wa7fb-primary);
  margin-bottom: 0.4rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.wa7fb-game-category {
  font-size: 1rem;
  color: var(--wa7fb-secondary);
  margin-bottom: 0.6rem;
}

.wa7fb-game-play {
  margin-top: auto;
  padding: 0.6rem;
  background-color: var(--wa7fb-primary);
  color: var(--wa7fb-text-dark);
  border: none;
  border-radius: 0.4rem;
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--wa7fb-transition);
}

.wa7fb-game-play:hover {
  background-color: var(--wa7fb-coral);
}

/* Category Buttons */
.wa7fb-category-filters {
  display: flex;
  gap: 0.8rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  padding-bottom: 0.8rem;
  -webkit-overflow-scrolling: touch;
}

.wa7fb-category-btn {
  flex-shrink: 0;
  padding: 0.6rem 1.2rem;
  background-color: transparent;
  border: 1px solid var(--wa7fb-border);
  color: var(--wa7fb-secondary);
  border-radius: 2rem;
  cursor: pointer;
  transition: var(--wa7fb-transition);
  font-size: 1.2rem;
  font-weight: 500;
  white-space: nowrap;
}

.wa7fb-category-btn:hover,
.wa7fb-category-btn.wa7fb-active {
  background-color: var(--wa7fb-primary);
  border-color: var(--wa7fb-primary);
  color: var(--wa7fb-text-dark);
}

/* Mobile Menu */
.wa7fb-mobile-menu {
  position: fixed;
  left: 0;
  top: 70px;
  width: 100%;
  max-height: 0;
  background-color: var(--wa7fb-bg);
  border-bottom: 2px solid var(--wa7fb-primary);
  overflow: hidden;
  transition: max-height 0.3s ease;
  z-index: 999;
}

.wa7fb-mobile-menu.wa7fb-menu-open {
  max-height: calc(100vh - 70px);
}

.wa7fb-mobile-menu-list {
  list-style: none;
  padding: 1rem 0;
}

.wa7fb-mobile-menu-list li {
  border-bottom: 1px solid var(--wa7fb-border);
}

.wa7fb-mobile-menu-list a {
  display: block;
  padding: 1rem 1.5rem;
  color: var(--wa7fb-secondary);
  transition: var(--wa7fb-transition);
}

.wa7fb-mobile-menu-list a:hover {
  background-color: rgba(255, 138, 128, 0.1);
  color: var(--wa7fb-primary);
  padding-left: 2rem;
}

@media (min-width: 769px) {
  .wa7fb-mobile-menu {
    display: none;
  }
}

/* Bottom Navigation */
.wa7fb-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(180deg, rgba(33, 47, 61, 0.98), var(--wa7fb-bg));
  border-top: 2px solid var(--wa7fb-primary);
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 70px;
  box-shadow: 0 -4px 12px rgba(255, 138, 128, 0.2);
}

.wa7fb-bottom-nav button {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: none;
  border: none;
  color: var(--wa7fb-secondary);
  cursor: pointer;
  padding: 0.8rem;
  transition: var(--wa7fb-transition);
  min-height: 60px;
  font-size: 1.1rem;
  font-weight: 500;
}

.wa7fb-bottom-nav button:hover,
.wa7fb-bottom-nav button.wa7fb-active {
  color: var(--wa7fb-primary);
  transform: scale(1.08);
}

.wa7fb-bottom-nav button i {
  font-size: 2.2rem;
}

.wa7fb-bottom-nav button span {
  font-size: 1rem;
}

@media (min-width: 769px) {
  .wa7fb-bottom-nav {
    display: none;
  }
}

/* Content Modules */
.wa7fb-module {
  background: linear-gradient(135deg, rgba(255, 138, 128, 0.05), rgba(186, 225, 255, 0.05));
  border: 1px solid var(--wa7fb-border);
  border-radius: 0.8rem;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.wa7fb-module h3 {
  color: var(--wa7fb-primary);
  margin-bottom: 1rem;
}

.wa7fb-feature-list {
  list-style: none;
  padding-left: 0;
}

.wa7fb-feature-list li {
  padding: 0.8rem 0;
  padding-left: 2rem;
  position: relative;
  border-bottom: 1px solid var(--wa7fb-border);
}

.wa7fb-feature-list li:last-child {
  border-bottom: none;
}

.wa7fb-feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--wa7fb-success);
  font-weight: 700;
  font-size: 1.4rem;
}

/* Footer */
.wa7fb-footer {
  background-color: rgba(33, 47, 61, 0.8);
  border-top: 2px solid var(--wa7fb-primary);
  padding: 2rem 1.5rem;
  margin-top: 3rem;
  text-align: center;
  font-size: 1.2rem;
}

.wa7fb-footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

.wa7fb-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.wa7fb-footer-links a {
  color: var(--wa7fb-secondary);
}

.wa7fb-footer-links a:hover {
  color: var(--wa7fb-primary);
}

/* Responsive */
@media (max-width: 430px) {
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.8rem; }
  h3 { font-size: 1.6rem; }

  .wa7fb-header {
    padding: 0.8rem 1rem;
  }

  .wa7fb-btn {
    padding: 0.6rem 1.2rem;
    font-size: 1.2rem;
  }

  .wa7fb-module {
    padding: 1rem;
  }
}

/* Animations */
@keyframes wa7fb-fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.wa7fb-visible {
  animation: wa7fb-fadeIn 0.5s ease forwards;
}

/* Utility Classes */
.wa7fb-text-center { text-align: center; }
.wa7fb-mt-1 { margin-top: 1rem; }
.wa7fb-mt-2 { margin-top: 2rem; }
.wa7fb-mb-1 { margin-bottom: 1rem; }
.wa7fb-mb-2 { margin-bottom: 2rem; }
.wa7fb-hidden { display: none; }

/* Accessibility */
.wa7fb-skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--wa7fb-primary);
  color: var(--wa7fb-text-dark);
  padding: 8px;
  text-decoration: none;
  z-index: 100;
}

.wa7fb-skip-link:focus {
  top: 0;
}

/* Lazy load placeholder */
img[data-src] {
  background: linear-gradient(90deg, var(--wa7fb-border) 25%, rgba(255, 138, 128, 0.2) 50%, var(--wa7fb-border) 75%);
  background-size: 200% 100%;
  animation: wa7fb-loading 1.5s infinite;
}

@keyframes wa7fb-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}