/**
 * 777 Portal - Layout Stylesheet
 * All classes use s71a- prefix for namespace isolation
 * Color palette: #2F2F2F | #2C3E50 | #808080 | #0C0C0C | #3CB371
 */

:root {
  --s71a-primary: #3CB371;
  --s71a-bg-dark: #0C0C0C;
  --s71a-bg-mid: #2F2F2F;
  --s71a-bg-card: #2C3E50;
  --s71a-text-light: #FFFFFF;
  --s71a-text-gray: #808080;
  --s71a-text-muted: #B0B0B0;
  --s71a-accent: #3CB371;
  --s71a-accent-hover: #2E9D5E;
  --s71a-border: #3A3A3A;
  --s71a-radius: 8px;
  --s71a-radius-lg: 12px;
  --s71a-shadow: 0 2px 12px rgba(0,0,0,0.3);
  --s71a-shadow-lg: 0 4px 24px rgba(0,0,0,0.4);
  --s71a-header-height: 56px;
  --s71a-bottom-nav-height: 60px;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--s71a-bg-dark);
  color: var(--s71a-text-light);
  line-height: 1.6;
  font-size: 1.6rem;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: var(--s71a-accent);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover { color: var(--s71a-accent-hover); }

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

/* Container */
.s71a-container {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  padding: 0 1.2rem;
}

.s71a-wrapper {
  max-width: 430px;
  margin: 0 auto;
}

/* Header */
.s71a-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--s71a-bg-mid);
  border-bottom: 1px solid var(--s71a-border);
  transition: background 0.3s, box-shadow 0.3s;
}

.s71a-header-scrolled {
  background: rgba(47,47,47,0.97);
  box-shadow: var(--s71a-shadow);
}

.s71a-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--s71a-header-height);
  padding: 0 1.2rem;
  max-width: 430px;
  margin: 0 auto;
}

.s71a-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}
.s71a-logo img {
  width: 28px;
  height: 28px;
  border-radius: 4px;
}
.s71a-logo-text {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--s71a-text-light);
  letter-spacing: 0.5px;
}
.s71a-logo-text span {
  color: var(--s71a-accent);
}

.s71a-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.s71a-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border-radius: var(--s71a-radius);
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
  white-space: nowrap;
}
.s71a-btn:active {
  transform: scale(0.96);
}

.s71a-btn-register {
  background: var(--s71a-accent);
  color: var(--s71a-text-light);
}
.s71a-btn-register:hover {
  background: var(--s71a-accent-hover);
  color: var(--s71a-text-light);
}

.s71a-btn-login {
  background: transparent;
  color: var(--s71a-accent);
  border: 1px solid var(--s71a-accent);
}
.s71a-btn-login:hover {
  background: rgba(60,179,113,0.1);
  color: var(--s71a-accent);
}

.s71a-menu-toggle {
  background: none;
  border: none;
  color: var(--s71a-text-light);
  font-size: 2rem;
  cursor: pointer;
  padding: 0.4rem;
  display: flex;
  align-items: center;
}

/* Mobile Menu */
.s71a-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 9998;
}

.s71a-mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 260px;
  background: var(--s71a-bg-mid);
  z-index: 9999;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  padding: 2rem 1.6rem;
  overflow-y: auto;
}

.s71a-mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--s71a-border);
}
.s71a-mobile-menu-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--s71a-accent);
}
.s71a-mobile-menu-close {
  background: none;
  border: none;
  color: var(--s71a-text-gray);
  font-size: 2rem;
  cursor: pointer;
}

.s71a-mobile-menu nav a {
  display: block;
  padding: 1rem 0;
  color: var(--s71a-text-light);
  font-size: 1.4rem;
  border-bottom: 1px solid var(--s71a-border);
  transition: color 0.2s, padding-left 0.2s;
}
.s71a-mobile-menu nav a:hover {
  color: var(--s71a-accent);
  padding-left: 0.6rem;
}

/* Carousel */
.s71a-carousel {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: var(--s71a-radius-lg);
  margin-top: 1.2rem;
}

.s71a-slide {
  display: none;
  width: 100%;
  cursor: pointer;
}
.s71a-slide img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: var(--s71a-radius-lg);
}
.s71a-slide-active {
  display: block;
}

.s71a-carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.8rem 0;
}
.s71a-carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--s71a-text-gray);
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}
.s71a-carousel-dot-active {
  background: var(--s71a-accent);
}

/* Section */
.s71a-section {
  padding: 2rem 0;
}
.s71a-section-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--s71a-text-light);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.s71a-section-title i {
  color: var(--s71a-accent);
}

/* Game Grid */
.s71a-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.s71a-card {
  background: var(--s71a-bg-card);
  border-radius: var(--s71a-radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  border: 1px solid var(--s71a-border);
}
.s71a-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--s71a-shadow);
}
.s71a-card:active {
  transform: scale(0.97);
}
.s71a-card img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
}
.s71a-card-title {
  padding: 0.6rem;
  font-size: 1.1rem;
  font-weight: 600;
  text-align: center;
  color: var(--s71a-text-light);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Category label */
.s71a-category-label {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--s71a-accent);
  margin: 2rem 0 1rem;
  padding-left: 0.4rem;
  border-left: 3px solid var(--s71a-accent);
}

/* Content Blocks */
.s71a-content-block {
  background: var(--s71a-bg-mid);
  border-radius: var(--s71a-radius-lg);
  padding: 1.6rem;
  margin-bottom: 1.6rem;
  border: 1px solid var(--s71a-border);
}

.s71a-content-block h2 {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--s71a-text-light);
  margin-bottom: 1rem;
}

.s71a-content-block h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--s71a-text-light);
  margin-bottom: 0.8rem;
}

.s71a-content-block p {
  font-size: 1.4rem;
  color: var(--s71a-text-muted);
  line-height: 1.6;
  margin-bottom: 0.8rem;
}

.s71a-content-block ul {
  padding-left: 1.6rem;
  margin-bottom: 0.8rem;
}
.s71a-content-block li {
  font-size: 1.4rem;
  color: var(--s71a-text-muted);
  line-height: 1.6;
  margin-bottom: 0.4rem;
}

/* Promo Button */
.s71a-promo-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: linear-gradient(135deg, var(--s71a-accent), #2E9D5E);
  color: var(--s71a-text-light);
  padding: 1rem 2rem;
  border-radius: var(--s71a-radius);
  font-size: 1.4rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}
.s71a-promo-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(60,179,113,0.4);
  color: var(--s71a-text-light);
}

/* Highlight text */
.s71a-highlight {
  color: var(--s71a-accent);
  font-weight: 600;
}

/* Stats grid */
.s71a-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.s71a-stat-item {
  background: var(--s71a-bg-card);
  border-radius: var(--s71a-radius);
  padding: 1.2rem;
  text-align: center;
  border: 1px solid var(--s71a-border);
}
.s71a-stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--s71a-accent);
}
.s71a-stat-label {
  font-size: 1.2rem;
  color: var(--s71a-text-gray);
  margin-top: 0.4rem;
}

/* Testimonial */
.s71a-testimonial {
  background: var(--s71a-bg-card);
  border-radius: var(--s71a-radius-lg);
  padding: 1.4rem;
  margin-bottom: 1rem;
  border: 1px solid var(--s71a-border);
}
.s71a-testimonial-text {
  font-size: 1.3rem;
  color: var(--s71a-text-muted);
  font-style: italic;
  margin-bottom: 0.6rem;
}
.s71a-testimonial-author {
  font-size: 1.2rem;
  color: var(--s71a-accent);
  font-weight: 600;
}

/* Footer */
.s71a-footer {
  background: var(--s71a-bg-mid);
  border-top: 1px solid var(--s71a-border);
  padding: 2rem 0 3rem;
  margin-top: 2rem;
}

.s71a-footer-brand {
  font-size: 1.4rem;
  color: var(--s71a-text-muted);
  line-height: 1.6;
  margin-bottom: 1.4rem;
}

.s71a-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.4rem;
}
.s71a-footer-links a {
  color: var(--s71a-text-muted);
  font-size: 1.2rem;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--s71a-border);
  border-radius: var(--s71a-radius);
  transition: all 0.2s;
}
.s71a-footer-links a:hover {
  color: var(--s71a-accent);
  border-color: var(--s71a-accent);
}

.s71a-footer-promo {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.4rem;
}

.s71a-footer-copy {
  font-size: 1.2rem;
  color: var(--s71a-text-gray);
  text-align: center;
  padding-top: 1rem;
  border-top: 1px solid var(--s71a-border);
}

/* Bottom Navigation */
.s71a-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--s71a-bg-mid);
  border-top: 1px solid var(--s71a-border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: var(--s71a-bottom-nav-height);
  padding: 0 0.4rem;
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.s71a-bottom-nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 56px;
  min-height: 52px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--s71a-text-gray);
  transition: color 0.2s, transform 0.2s;
  padding: 0.4rem;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}
.s71a-bottom-nav-btn:active {
  transform: scale(0.9);
}
.s71a-bottom-nav-btn i,
.s71a-bottom-nav-btn .material-icons {
  font-size: 2.2rem;
  margin-bottom: 0.2rem;
}
.s71a-bottom-nav-btn ion-icon {
  font-size: 2.2rem;
  margin-bottom: 0.2rem;
}
.s71a-bottom-nav-btn span {
  font-size: 1rem;
  font-weight: 500;
}
.s71a-bottom-nav-btn:hover,
.s71a-bottom-nav-active {
  color: var(--s71a-accent);
}

/* Responsive - hide bottom nav on desktop */
@media (min-width: 769px) {
  .s71a-bottom-nav { display: none; }
  .s71a-menu-toggle { display: none; }
}

/* Mobile padding for bottom nav */
@media (max-width: 768px) {
  main {
    padding-top: var(--s71a-header-height);
    padding-bottom: calc(var(--s71a-bottom-nav-height) + env(safe-area-inset-bottom, 0) + 1.6rem);
  }
}

/* Ensure header buttons visible on all viewports */
@media (max-width: 400px) {
  .s71a-btn {
    padding: 0.4rem 0.7rem;
    font-size: 1.1rem;
  }
  .s71a-logo-text {
    font-size: 1.4rem;
  }
}

/* FAQ accordion */
.s71a-faq-item {
  background: var(--s71a-bg-card);
  border-radius: var(--s71a-radius);
  margin-bottom: 0.8rem;
  border: 1px solid var(--s71a-border);
  overflow: hidden;
}
.s71a-faq-question {
  padding: 1.2rem;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--s71a-text-light);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.s71a-faq-answer {
  padding: 0 1.2rem 1.2rem;
  font-size: 1.3rem;
  color: var(--s71a-text-muted);
  line-height: 1.6;
}

/* Badge / tag */
.s71a-badge {
  display: inline-block;
  background: var(--s71a-accent);
  color: var(--s71a-text-light);
  font-size: 1rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  text-transform: uppercase;
}