/**
 * KingPH Download APK - Main Stylesheet
 * Website: kingphdownloadapk.club
 * Prefix: sb61-
 * Color Palette: #2C2C2C | #36454F | #696969 | #48D1CC | #D3D3D3 | #CED4DA
 */

/* CSS Variables */
:root {
    --sb61-bg-primary: #2C2C2C;
    --sb61-bg-secondary: #36454F;
    --sb61-bg-tertiary: #696969;
    --sb61-accent: #48D1CC;
    --sb61-text-light: #D3D3D3;
    --sb61-text-muted: #CED4DA;
    --sb61-white: #FFFFFF;
    --sb61-black: #1a1a1a;
    --sb61-gold: #FFD700;
    --sb61-success: #28a745;
    --sb61-danger: #dc3545;
    --sb61-font-size-base: 62.5%;
    --sb61-header-height: 60px;
    --sb61-bottom-nav-height: 64px;
    --sb61-transition: all 0.3s ease;
    --sb61-radius: 8px;
    --sb61-radius-lg: 12px;
    --sb61-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--sb61-font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 1.6rem;
    line-height: 1.5;
    color: var(--sb61-text-light);
    background-color: var(--sb61-bg-primary);
    overflow-x: hidden;
    max-width: 430px;
    margin: 0 auto;
}

@media (min-width: 769px) {
    body {
        max-width: 100%;
    }
}

a {
    color: var(--sb61-accent);
    text-decoration: none;
    transition: var(--sb61-transition);
}

a:hover {
    color: var(--sb61-white);
}

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

ul, ol {
    list-style: none;
}

/* Container */
.sb61-container {
    width: 100%;
    padding: 0 1.5rem;
    margin: 0 auto;
}

/* Header */
.sb61-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--sb61-header-height);
    background: linear-gradient(135deg, var(--sb61-bg-primary) 0%, var(--sb61-bg-secondary) 100%);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    box-shadow: var(--sb61-shadow);
    max-width: 430px;
    margin: 0 auto;
}

@media (min-width: 769px) {
    .sb61-header {
        max-width: 100%;
    }
}

.sb61-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sb61-logo img {
    height: 40px;
    width: auto;
}

.sb61-logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--sb61-accent);
}

.sb61-header-actions {
    display: flex;
    gap: 1rem;
}

.sb61-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.6rem;
    font-size: 1.4rem;
    font-weight: 600;
    border: none;
    border-radius: var(--sb61-radius);
    cursor: pointer;
    transition: var(--sb61-transition);
    min-height: 44px;
    min-width: 44px;
}

.sb61-btn-primary {
    background: linear-gradient(135deg, var(--sb61-accent) 0%, #3dbdb5 100%);
    color: var(--sb61-black);
}

.sb61-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(72, 209, 204, 0.4);
}

.sb61-btn-secondary {
    background: transparent;
    border: 2px solid var(--sb61-accent);
    color: var(--sb61-accent);
}

.sb61-btn-secondary:hover {
    background: var(--sb61-accent);
    color: var(--sb61-black);
}

.sb61-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 28px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.sb61-menu-toggle span {
    width: 100%;
    height: 3px;
    background: var(--sb61-accent);
    border-radius: 2px;
    transition: var(--sb61-transition);
}

/* Mobile Menu */
.sb61-mobile-menu {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    background: var(--sb61-bg-secondary);
    z-index: 9999;
    padding: 2rem;
    transition: right 0.3s ease;
    overflow-y: auto;
}

.sb61-mobile-menu.sb61-menu-active {
    right: 0;
}

.sb61-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: var(--sb61-transition);
}

.sb61-menu-overlay.sb61-overlay-active {
    opacity: 1;
    visibility: visible;
}

.sb61-menu-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 2.4rem;
    color: var(--sb61-text-light);
    background: transparent;
    border: none;
    cursor: pointer;
}

.sb61-mobile-menu ul {
    margin-top: 4rem;
}

.sb61-mobile-menu li {
    margin-bottom: 1.5rem;
}

.sb61-mobile-menu a {
    display: block;
    padding: 1rem;
    font-size: 1.6rem;
    color: var(--sb61-text-light);
    border-radius: var(--sb61-radius);
    transition: var(--sb61-transition);
}

.sb61-mobile-menu a:hover {
    background: var(--sb61-bg-tertiary);
    color: var(--sb61-accent);
}

/* Main Content */
.sb61-main {
    padding-top: var(--sb61-header-height);
    min-height: 100vh;
}

@media (max-width: 768px) {
    .sb61-main {
        padding-bottom: calc(var(--sb61-bottom-nav-height) + 20px);
    }
}

/* Hero Section */
.sb61-hero {
    background: linear-gradient(135deg, var(--sb61-bg-secondary) 0%, var(--sb61-bg-primary) 100%);
    padding: 3rem 1.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.sb61-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(72, 209, 204, 0.1) 0%, transparent 70%);
    animation: sb61-pulse 4s ease-in-out infinite;
}

@keyframes sb61-pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.sb61-hero-content {
    position: relative;
    z-index: 1;
}

.sb61-hero h1 {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--sb61-white);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.sb61-hero h1 span {
    color: var(--sb61-accent);
}

.sb61-hero p {
    font-size: 1.6rem;
    color: var(--sb61-text-muted);
    margin-bottom: 2rem;
    max-width: 90%;
    margin-left: auto;
    margin-right: auto;
}

.sb61-hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.sb61-btn-large {
    padding: 1.2rem 2.4rem;
    font-size: 1.6rem;
}

/* Section Styles */
.sb61-section {
    padding: 3rem 1.5rem;
}

.sb61-section-title {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--sb61-white);
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
}

.sb61-section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--sb61-accent);
    margin: 1rem auto 0;
    border-radius: 2px;
}

/* Category Tabs */
.sb61-categories {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding: 1rem 0;
    margin-bottom: 2rem;
    scrollbar-width: none;
}

.sb61-categories::-webkit-scrollbar {
    display: none;
}

.sb61-category-btn {
    flex-shrink: 0;
    padding: 0.8rem 1.6rem;
    font-size: 1.4rem;
    font-weight: 500;
    background: var(--sb61-bg-secondary);
    color: var(--sb61-text-light);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--sb61-transition);
    white-space: nowrap;
}

.sb61-category-btn:hover,
.sb61-category-btn.sb61-active {
    background: var(--sb61-accent);
    color: var(--sb61-black);
}

/* Game Grid */
.sb61-game-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

@media (min-width: 400px) {
    .sb61-game-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 769px) {
    .sb61-game-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

.sb61-game-card {
    position: relative;
    border-radius: var(--sb61-radius);
    overflow: hidden;
    background: var(--sb61-bg-secondary);
    cursor: pointer;
    transition: var(--sb61-transition);
}

.sb61-game-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--sb61-shadow);
}

.sb61-game-card img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.sb61-game-card-title {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.8rem 0.5rem;
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--sb61-white);
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sb61-game-card:hover .sb61-game-card-title {
    background: linear-gradient(transparent, rgba(72, 209, 204, 0.8));
}

/* Features Section */
.sb61-features {
    background: var(--sb61-bg-secondary);
}

.sb61-features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 769px) {
    .sb61-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.sb61-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--sb61-bg-primary);
    border-radius: var(--sb61-radius-lg);
    transition: var(--sb61-transition);
}

.sb61-feature-item:hover {
    transform: translateX(5px);
    border-left: 3px solid var(--sb61-accent);
}

.sb61-feature-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--sb61-accent), #3dbdb5);
    border-radius: 50%;
    font-size: 2.4rem;
    color: var(--sb61-black);
}

.sb61-feature-content h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--sb61-white);
    margin-bottom: 0.5rem;
}

.sb61-feature-content p {
    font-size: 1.4rem;
    color: var(--sb61-text-muted);
    line-height: 1.5;
}

/* FAQ Section */
.sb61-faq-list {
    max-width: 100%;
}

.sb61-faq-item {
    margin-bottom: 1rem;
    border-radius: var(--sb61-radius);
    overflow: hidden;
    background: var(--sb61-bg-secondary);
}

.sb61-faq-question {
    width: 100%;
    padding: 1.5rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--sb61-white);
    background: transparent;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--sb61-transition);
}

.sb61-faq-question:hover {
    background: rgba(72, 209, 204, 0.1);
}

.sb61-faq-question i {
    color: var(--sb61-accent);
    transition: transform 0.3s ease;
}

.sb61-faq-answer {
    padding: 0 1.5rem 1.5rem;
    font-size: 1.4rem;
    color: var(--sb61-text-muted);
    line-height: 1.6;
}

/* Promo Banner */
.sb61-promo-banner {
    background: linear-gradient(135deg, var(--sb61-accent), #3dbdb5);
    padding: 2rem;
    text-align: center;
    border-radius: var(--sb61-radius-lg);
    margin: 2rem 0;
}

.sb61-promo-banner h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--sb61-black);
    margin-bottom: 1rem;
}

.sb61-promo-banner p {
    font-size: 1.4rem;
    color: var(--sb61-bg-primary);
    margin-bottom: 1.5rem;
}

/* Footer */
.sb61-footer {
    background: var(--sb61-bg-secondary);
    padding: 3rem 1.5rem 2rem;
    margin-top: 3rem;
}

.sb61-footer-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (min-width: 769px) {
    .sb61-footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.sb61-footer-section h4 {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--sb61-accent);
    margin-bottom: 1rem;
}

.sb61-footer-section ul li {
    margin-bottom: 0.8rem;
}

.sb61-footer-section a {
    font-size: 1.4rem;
    color: var(--sb61-text-muted);
}

.sb61-footer-section a:hover {
    color: var(--sb61-accent);
}

.sb61-partner-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin: 2rem 0;
    padding: 1.5rem 0;
    border-top: 1px solid var(--sb61-bg-tertiary);
    border-bottom: 1px solid var(--sb61-bg-tertiary);
}

.sb61-partner-logos img {
    height: 30px;
    width: auto;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: var(--sb61-transition);
}

.sb61-partner-logos img:hover {
    filter: grayscale(0%);
    opacity: 1;
}

.sb61-footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    font-size: 1.3rem;
    color: var(--sb61-text-muted);
}

/* Bottom Navigation */
.sb61-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--sb61-bottom-nav-height);
    background: linear-gradient(180deg, var(--sb61-bg-secondary) 0%, var(--sb61-bg-primary) 100%);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.3);
    max-width: 430px;
    margin: 0 auto;
}

@media (min-width: 769px) {
    .sb61-bottom-nav {
        display: none;
    }
}

.sb61-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    min-height: 60px;
    padding: 0.5rem;
    color: var(--sb61-text-muted);
    text-decoration: none;
    transition: var(--sb61-transition);
    border-radius: var(--sb61-radius);
    cursor: pointer;
}

.sb61-nav-item:hover,
.sb61-nav-item.sb61-active {
    color: var(--sb61-accent);
    background: rgba(72, 209, 204, 0.1);
}

.sb61-nav-item i {
    font-size: 2.4rem;
    margin-bottom: 0.3rem;
}

.sb61-nav-item span {
    font-size: 1rem;
    font-weight: 500;
}

/* Back to Top */
.sb61-back-to-top {
    position: fixed;
    bottom: calc(var(--sb61-bottom-nav-height) + 20px);
    right: 20px;
    width: 44px;
    height: 44px;
    background: var(--sb61-accent);
    color: var(--sb61-black);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--sb61-transition);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.sb61-back-to-top.sb61-visible {
    opacity: 1;
    visibility: visible;
}

.sb61-back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(72, 209, 204, 0.4);
}

@media (min-width: 769px) {
    .sb61-back-to-top {
        bottom: 30px;
    }
}

/* Toast Notification */
.sb61-toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    padding: 1rem 2rem;
    background: var(--sb61-bg-secondary);
    color: var(--sb61-white);
    border-radius: var(--sb61-radius);
    box-shadow: var(--sb61-shadow);
    opacity: 0;
    visibility: hidden;
    transition: var(--sb61-transition);
    z-index: 10000;
    font-size: 1.4rem;
}

.sb61-toast.sb61-toast-show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* Utility Classes */
.sb61-text-center { text-align: center; }
.sb61-text-left { text-align: left; }
.sb61-text-right { text-align: right; }
.sb61-mb-1 { margin-bottom: 1rem; }
.sb61-mb-2 { margin-bottom: 2rem; }
.sb61-mb-3 { margin-bottom: 3rem; }
.sb61-mt-1 { margin-top: 1rem; }
.sb61-mt-2 { margin-top: 2rem; }
.sb61-hidden { display: none; }

/* Content Styles for Help Pages */
.sb61-content-section {
    background: var(--sb61-bg-secondary);
    padding: 2rem;
    border-radius: var(--sb61-radius-lg);
    margin-bottom: 2rem;
}

.sb61-content-section h2 {
    font-size: 2rem;
    color: var(--sb61-accent);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--sb61-bg-tertiary);
}

.sb61-content-section h3 {
    font-size: 1.7rem;
    color: var(--sb61-white);
    margin: 1.5rem 0 1rem;
}

.sb61-content-section p {
    font-size: 1.5rem;
    color: var(--sb61-text-muted);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.sb61-content-section ul,
.sb61-content-section ol {
    margin: 1rem 0 1rem 1.5rem;
}

.sb61-content-section li {
    font-size: 1.5rem;
    color: var(--sb61-text-muted);
    line-height: 1.7;
    margin-bottom: 0.8rem;
    list-style: disc;
}

.sb61-content-section ol li {
    list-style: decimal;
}

.sb61-highlight-box {
    background: rgba(72, 209, 204, 0.1);
    border-left: 4px solid var(--sb61-accent);
    padding: 1.5rem;
    border-radius: 0 var(--sb61-radius) var(--sb61-radius) 0;
    margin: 1.5rem 0;
}

.sb61-highlight-box p {
    margin: 0;
    color: var(--sb61-text-light);
}

/* CTA Box */
.sb61-cta-box {
    background: linear-gradient(135deg, var(--sb61-bg-secondary), var(--sb61-bg-primary));
    border: 2px solid var(--sb61-accent);
    padding: 2rem;
    border-radius: var(--sb61-radius-lg);
    text-align: center;
    margin: 2rem 0;
}

.sb61-cta-box h3 {
    font-size: 2rem;
    color: var(--sb61-white);
    margin-bottom: 1rem;
}

.sb61-cta-box p {
    font-size: 1.5rem;
    color: var(--sb61-text-muted);
    margin-bottom: 1.5rem;
}

/* Desktop Navigation */
@media (min-width: 769px) {
    .sb61-desktop-nav {
        display: flex;
        gap: 2rem;
    }

    .sb61-desktop-nav a {
        font-size: 1.5rem;
        color: var(--sb61-text-light);
        font-weight: 500;
    }

    .sb61-desktop-nav a:hover {
        color: var(--sb61-accent);
    }

    .sb61-menu-toggle {
        display: none;
    }
}

@media (max-width: 768px) {
    .sb61-desktop-nav {
        display: none;
    }
}