/**
 * 7PH Core Stylesheet - Part 1 Foundation
 * Class prefix: uif1
 * All classes use dynamic prefix for namespace isolation
 */

/* CSS Reset */
* {
  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, sans-serif;
  font-size: 1.6rem;
  line-height: 1.5;
  color: #EEEEEE;
  background-color: #141414;
  overflow-x: hidden;
  min-height: 100vh;
}

/* CSS Variables */
:root {
  --uif1-primary: #FFAA00;
  --uif1-secondary: #FFB74D;
  --uif1-accent: #FFBF00;
  --uif1-dark: #141414;
  --uif1-darker: #0a0a0a;
  --uif1-light: #EEEEEE;
  --uif1-border: #333;
  --uif1-shadow: rgba(255, 170, 0, 0.15);
}

/* Container */
.uif1-container {
  max-width: 430px;
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

.uif1-wrapper {
  max-width: 430px;
  margin: 0 auto;
  width: 100%;
  overflow: hidden;
}

/* Header */
.uif1-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(20, 20, 20, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--uif1-border);
  z-index: 1000;
  transition: all 0.3s ease;
}

.uif1-header.uif1-scrolled {
  box-shadow: 0 2px 10px var(--uif1-shadow);
}

.uif1-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: 430px;
  margin: 0 auto;
}

.uif1-logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  color: var(--uif1-primary);
  font-size: 2rem;
  font-weight: 700;
}

.uif1-logo-icon {
  width: 28px;
  height: 28px;
}

.uif1-header-buttons {
  display: flex;
  gap: 1rem;
}

.uif1-btn {
  padding: 0.6rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-size: 1.3rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.uif1-btn-primary {
  background-color: var(--uif1-primary);
  color: var(--uif1-dark);
}

.uif1-btn-primary:hover {
  background-color: var(--uif1-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--uif1-shadow);
}

.uif1-btn-secondary {
  background-color: transparent;
  color: var(--uif1-primary);
  border: 2px solid var(--uif1-primary);
}

.uif1-btn-secondary:hover {
  background-color: var(--uif1-primary);
  color: var(--uif1-dark);
}

.uif1-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--uif1-primary);
  font-size: 2.4rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* Mobile Menu */
.uif1-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.uif1-menu-overlay.uif1-active {
  opacity: 1;
  visibility: visible;
}

.uif1-mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  background-color: var(--uif1-dark);
  z-index: 9999;
  transition: right 0.3s ease;
  overflow-y: auto;
  border-left: 1px solid var(--uif1-border);
}

.uif1-mobile-menu.uif1-active {
  right: 0;
}

.uif1-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem;
  border-bottom: 1px solid var(--uif1-border);
}

.uif1-menu-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--uif1-primary);
}

.uif1-close-menu {
  background: none;
  border: none;
  color: var(--uif1-secondary);
  font-size: 2.4rem;
  cursor: pointer;
  padding: 0.5rem;
}

.uif1-menu-list {
  list-style: none;
  padding: 1rem 0;
}

.uif1-menu-item {
  border-bottom: 1px solid var(--uif1-border);
}

.uif1-menu-link {
  display: block;
  padding: 1.2rem 1.5rem;
  color: var(--uif1-secondary);
  text-decoration: none;
  font-size: 1.5rem;
  transition: all 0.2s ease;
}

.uif1-menu-link:hover {
  background-color: rgba(255, 170, 0, 0.1);
  color: var(--uif1-primary);
  padding-left: 2rem;
}

/* Main Content */
main {
  margin-top: 70px;
  padding-bottom: 80px;
}

.uif1-section {
  padding: 2rem 0;
}

.uif1-section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--uif1-primary);
  margin-bottom: 1.5rem;
  text-align: center;
}

/* Carousel */
.uif1-carousel {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  border-radius: 12px;
  margin-bottom: 2rem;
}

.uif1-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease;
  cursor: pointer;
}

.uif1-slide.uif1-active {
  opacity: 1;
}

.uif1-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Game Grid */
.uif1-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
  margin-bottom: 2rem;
}

.uif1-game-item {
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease;
}

.uif1-game-item:active {
  transform: scale(0.95);
}

.uif1-game-icon {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 0.5rem;
  background-color: var(--uif1-darker);
  border: 1px solid var(--uif1-border);
}

.uif1-game-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.uif1-game-name {
  font-size: 1rem;
  text-align: center;
  color: var(--uif1-secondary);
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.uif1-category-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--uif1-primary);
  margin: 2rem 0 1rem;
  padding-left: 0.5rem;
  border-left: 4px solid var(--uif1-primary);
}

/* Card */
.uif1-card {
  background-color: var(--uif1-darker);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--uif1-border);
}

.uif1-card-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--uif1-primary);
  margin-bottom: 1rem;
}

.uif1-card-content {
  font-size: 1.4rem;
  color: var(--uif1-secondary);
  line-height: 1.6;
}

.uif1-card-content p {
  margin-bottom: 1rem;
}

.uif1-card-content a {
  color: var(--uif1-primary);
  text-decoration: none;
  font-weight: 600;
}

/* List */
.uif1-list {
  list-style: none;
  padding: 0;
}

.uif1-list-item {
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--uif1-border);
  color: var(--uif1-secondary);
  font-size: 1.4rem;
}

.uif1-list-item:last-child {
  border-bottom: none;
}

/* Footer */
.uif1-footer {
  background-color: var(--uif1-darker);
  border-top: 1px solid var(--uif1-border);
  padding: 2rem 0 1rem;
  margin-top: 3rem;
}

.uif1-footer-content {
  max-width: 430px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.uif1-footer-section {
  margin-bottom: 2rem;
}

.uif1-footer-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--uif1-primary);
  margin-bottom: 1rem;
}

.uif1-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.uif1-footer-link {
  color: var(--uif1-secondary);
  text-decoration: none;
  font-size: 1.3rem;
  padding: 0.5rem 1rem;
  background-color: rgba(255, 170, 0, 0.1);
  border-radius: 6px;
  transition: all 0.2s ease;
}

.uif1-footer-link:hover {
  background-color: var(--uif1-primary);
  color: var(--uif1-dark);
}

.uif1-partners {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin: 2rem 0;
}

.uif1-partner-icon {
  width: 40px;
  height: 40px;
  object-fit: contain;
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.uif1-partner-icon:hover {
  opacity: 1;
}

.uif1-copyright {
  text-align: center;
  color: var(--uif1-secondary);
  font-size: 1.2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--uif1-border);
}

/* Bottom Navigation */
.uif1-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--uif1-dark);
  border-top: 1px solid var(--uif1-border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 60px;
  z-index: 1000;
  padding: 0 0.5rem;
}

.uif1-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--uif1-secondary);
  min-width: 60px;
  min-height: 60px;
  padding: 0.5rem;
  border-radius: 8px;
  transition: all 0.2s ease;
  cursor: pointer;
}

.uif1-nav-item:hover {
  background-color: rgba(255, 170, 0, 0.1);
}

.uif1-nav-item:active {
  transform: scale(0.95);
}

.uif1-nav-icon {
  font-size: 22px;
  margin-bottom: 2px;
  color: var(--uif1-primary);
}

.uif1-nav-text {
  font-size: 10px;
  color: var(--uif1-secondary);
  text-align: center;
}

.uif1-nav-item.active .uif1-nav-icon,
.uif1-nav-item.active .uif1-nav-text {
  color: var(--uif1-primary);
}

@media (min-width: 769px) {
  .uif1-bottom-nav {
    display: none;
  }

  main {
    padding-bottom: 2rem;
  }
}

@media (max-width: 768px) {
  .uif1-menu-btn {
    display: block;
  }
}

a {
  color: var(--uif1-primary);
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

::selection {
  background-color: var(--uif1-primary);
  color: var(--uif1-dark);
}

button:focus,
a:focus {
  outline: 2px solid var(--uif1-primary);
  outline-offset: 2px;
}