/**
 * Bouncy ball - Layout Stylesheet
 * Prefix: wbcc4-
 * Theme: Dark Slate (#2C3E50) & Plum (#DDA0DD)
 */

/* === CSS Variables === */
:root {
    --wbcc4-bg-primary: #2C3E50;
    --wbcc4-bg-secondary: #1a252f;
    --wbcc4-bg-card: #34495e;
    --wbcc4-bg-dark: #0f1923;
    --wbcc4-text-primary: #E5E5E5;
    --wbcc4-text-muted: #95A5A6;
    --wbcc4-accent: #DDA0DD;
    --wbcc4-accent-hover: #e8b8e8;
    --wbcc4-accent-dark: #b07ab0;
    --wbcc4-border-color: #3d5266;
    --wbcc4-gradient: linear-gradient(135deg, #DDA0DD 0%, #b07ab0 100%);
    --wbcc4-shadow: 0 4px 15px rgba(0,0,0,0.3);
    --wbcc4-radius: 10px;
    --wbcc4-radius-sm: 6px;
    --wbcc4-max-width: 430px;
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--wbcc4-bg-primary);
    color: var(--wbcc4-text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a { text-decoration: none; color: var(--wbcc4-accent); transition: color 0.3s; }
a:hover { color: var(--wbcc4-accent-hover); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
.wbcc4-no-scroll { overflow: hidden; }

/* === Layout Container === */
.wbcc4-container {
    max-width: var(--wbcc4-max-width);
    margin: 0 auto;
    padding: 0 12px;
    width: 100%;
}

/* === Header === */
.wbcc4-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--wbcc4-bg-secondary);
    border-bottom: 1px solid var(--wbcc4-border-color);
    height: 56px;
}
.wbcc4-header-inner {
    max-width: var(--wbcc4-max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 12px;
}
.wbcc4-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
    color: var(--wbcc4-accent);
    cursor: pointer;
}
.wbcc4-logo img {
    width: 32px;
    height: 32px;
    border-radius: 6px;
}
.wbcc4-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}
.wbcc4-btn {
    padding: 8px 16px;
    border: none;
    border-radius: var(--wbcc4-radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.wbcc4-btn-login {
    background: transparent;
    color: var(--wbcc4-text-primary);
    border: 1px solid var(--wbcc4-border-color);
}
.wbcc4-btn-login:hover { border-color: var(--wbcc4-accent); color: var(--wbcc4-accent); }
.wbcc4-btn-register {
    background: var(--wbcc4-gradient);
    color: var(--wbcc4-bg-dark);
}
.wbcc4-btn-register:hover { opacity: 0.9; transform: translateY(-1px); }
.wbcc4-menu-btn {
    background: none;
    border: none;
    color: var(--wbcc4-text-primary);
    font-size: 22px;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
}

/* === Mobile Menu Overlay === */
.wbcc4-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.6);
    z-index: 9998;
    opacity: 0;
    transition: opacity 0.3s;
}
.wbcc4-overlay-active { display: block; opacity: 1; }

/* === Mobile Side Menu === */
.wbcc4-mobile-menu {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100%;
    background: var(--wbcc4-bg-secondary);
    z-index: 9999;
    transition: right 0.3s ease;
    overflow-y: auto;
    padding: 20px;
}
.wbcc4-menu-active { right: 0; }
.wbcc4-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--wbcc4-border-color);
}
.wbcc4-menu-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--wbcc4-accent);
}
.wbcc4-menu-close {
    background: none;
    border: none;
    color: var(--wbcc4-text-primary);
    font-size: 24px;
    cursor: pointer;
}
.wbcc4-menu-links a {
    display: block;
    padding: 12px 0;
    color: var(--wbcc4-text-primary);
    font-size: 15px;
    border-bottom: 1px solid var(--wbcc4-border-color);
    transition: color 0.2s, padding-left 0.2s;
}
.wbcc4-menu-links a:hover {
    color: var(--wbcc4-accent);
    padding-left: 8px;
}

/* === Banner Slider === */
.wbcc4-banner-section {
    margin-top: 56px;
    position: relative;
    overflow: hidden;
}
.wbcc4-banner-track {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
}
.wbcc4-banner-slide {
    display: none;
    width: 100%;
    height: 100%;
}
.wbcc4-banner-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
}
.wbcc4-slide-active { display: block; }
.wbcc4-banner-dots {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    z-index: 5;
}
.wbcc4-banner-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: background 0.3s;
    border: none;
}
.wbcc4-dot-active { background: var(--wbcc4-accent); width: 20px; border-radius: 4px; }

/* === Section Styles === */
.wbcc4-section {
    padding: 24px 0;
}
.wbcc4-section-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--wbcc4-text-primary);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.wbcc4-section-title i, .wbcc4-section-title .material-symbols-outlined {
    color: var(--wbcc4-accent);
}

/* === Category Tabs === */
.wbcc4-cat-tabs {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding-bottom: 8px;
    margin-bottom: 16px;
    scrollbar-width: none;
}
.wbcc4-cat-tabs::-webkit-scrollbar { display: none; }
.wbcc4-cat-tab {
    padding: 8px 16px;
    border: 1px solid var(--wbcc4-border-color);
    border-radius: 20px;
    background: transparent;
    color: var(--wbcc4-text-muted);
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.3s;
}
.wbcc4-cat-tab:hover { border-color: var(--wbcc4-accent); color: var(--wbcc4-accent); }
.wbcc4-tab-active {
    background: var(--wbcc4-gradient) !important;
    color: var(--wbcc4-bg-dark) !important;
    border-color: transparent !important;
}

/* === Game Grid === */
.wbcc4-game-panel { display: none; }
.wbcc4-panel-active { display: block; }
.wbcc4-game-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}
.wbcc4-game-card {
    background: var(--wbcc4-bg-card);
    border-radius: var(--wbcc4-radius-sm);
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid var(--wbcc4-border-color);
}
.wbcc4-game-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--wbcc4-shadow);
}
.wbcc4-game-card img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}
.wbcc4-game-card-title {
    padding: 6px 8px;
    font-size: 11px;
    font-weight: 600;
    text-align: center;
    color: var(--wbcc4-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* === Promo Banner === */
.wbcc4-promo-banner {
    background: var(--wbcc4-bg-card);
    border-radius: var(--wbcc4-radius);
    padding: 20px;
    text-align: center;
    border: 1px solid var(--wbcc4-border-color);
    margin: 16px 0;
}
.wbcc4-promo-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--wbcc4-accent);
    margin-bottom: 8px;
}
.wbcc4-promo-text {
    font-size: 14px;
    color: var(--wbcc4-text-muted);
    margin-bottom: 16px;
}
.wbcc4-promo-btn {
    display: inline-block;
    padding: 12px 32px;
    background: var(--wbcc4-gradient);
    color: var(--wbcc4-bg-dark);
    border: none;
    border-radius: 25px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: opacity 0.3s, transform 0.2s;
    text-transform: uppercase;
}
.wbcc4-promo-btn:hover { opacity: 0.9; transform: scale(1.05); }

/* === Footer === */
.wbcc4-footer {
    background: var(--wbcc4-bg-dark);
    padding: 30px 0 20px;
    margin-top: 30px;
    border-top: 1px solid var(--wbcc4-border-color);
}
.wbcc4-footer-section {
    margin-bottom: 20px;
}
.wbcc4-footer-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--wbcc4-accent);
    margin-bottom: 12px;
}
.wbcc4-footer-links a {
    display: block;
    padding: 4px 0;
    font-size: 13px;
    color: var(--wbcc4-text-muted);
}
.wbcc4-footer-links a:hover { color: var(--wbcc4-accent); }
.wbcc4-partner-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    justify-content: center;
    margin: 16px 0;
}
.wbcc4-partner-logos img {
    height: 28px;
    opacity: 0.6;
    transition: opacity 0.3s;
}
.wbcc4-partner-logos img:hover { opacity: 1; }
.wbcc4-copyright {
    text-align: center;
    font-size: 12px;
    color: var(--wbcc4-text-muted);
    padding-top: 16px;
    border-top: 1px solid var(--wbcc4-border-color);
}

/* === Mobile Bottom Navigation === */
.wbcc4-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--wbcc4-bg-secondary);
    border-top: 1px solid var(--wbcc4-border-color);
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 60px;
    padding: 0 4px;
}
.wbcc4-bottom-nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    min-height: 52px;
    background: none;
    border: none;
    color: var(--wbcc4-text-muted);
    cursor: pointer;
    transition: color 0.2s, transform 0.2s;
    padding: 4px 0;
    gap: 2px;
}
.wbcc4-bottom-nav-btn:hover { color: var(--wbcc4-accent); transform: scale(1.1); }
.wbcc4-bottom-nav-btn .material-symbols-outlined,
.wbcc4-bottom-nav-btn i { font-size: 22px; }
.wbcc4-bottom-nav-btn span {
    font-size: 10px;
    font-weight: 600;
}
.wbcc4-nav-active { color: var(--wbcc4-accent) !important; }

/* === Back to Top === */
.wbcc4-back-top {
    position: fixed;
    bottom: 76px;
    right: 16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--wbcc4-gradient);
    color: var(--wbcc4-bg-dark);
    border: none;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s, transform 0.2s;
    z-index: 999;
}
.wbcc4-back-top:hover { transform: scale(1.1); }
.wbcc4-back-top-visible { opacity: 1; visibility: visible; }

/* === Article Content === */
.wbcc4-article {
    padding: 24px 0;
    line-height: 1.8;
}
.wbcc4-article h2 {
    font-size: 22px;
    color: var(--wbcc4-accent);
    margin: 24px 0 12px;
    font-weight: 700;
}
.wbcc4-article h3 {
    font-size: 18px;
    color: var(--wbcc4-text-primary);
    margin: 20px 0 10px;
    font-weight: 600;
}
.wbcc4-article p {
    margin-bottom: 14px;
    font-size: 15px;
    color: var(--wbcc4-text-primary);
}
.wbcc4-article ul {
    margin: 10px 0 14px 20px;
    list-style: disc;
}
.wbcc4-article li {
    margin-bottom: 6px;
    font-size: 14px;
    color: var(--wbcc4-text-primary);
}

/* === Internal Link Styles === */
.wbcc4-internal-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 0;
}
.wbcc4-internal-link {
    display: inline-block;
    padding: 6px 14px;
    background: var(--wbcc4-bg-card);
    border: 1px solid var(--wbcc4-border-color);
    border-radius: 20px;
    color: var(--wbcc4-accent);
    font-size: 13px;
    transition: all 0.2s;
}
.wbcc4-internal-link:hover {
    background: var(--wbcc4-accent);
    color: var(--wbcc4-bg-dark);
}

/* === Responsive === */
@media (min-width: 769px) {
    .wbcc4-bottom-nav { display: none; }
    .wbcc4-container { max-width: 768px; }
    .wbcc4-header-inner { max-width: 768px; }
    .wbcc4-game-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 768px) {
    main { padding-bottom: 76px; }
    .wbcc4-promo-banner { margin: 12px 0; }
}

@media (max-width: 360px) {
    .wbcc4-game-grid { grid-template-columns: repeat(2, 1fr); }
    .wbcc4-header-actions .wbcc4-btn { padding: 6px 10px; font-size: 12px; }
}