/*
 * dk game - Core Stylesheet
 * All classes use ui67- prefix for namespace isolation
 * Color palette: #333333 (dark bg), #808080 (mid), #95A5A6 (light)
 * Mobile-first design, max-width 430px
 */

:root {
    --ui67-primary: #95A5A6;
    --ui67-bg: #1a1a1a;
    --ui67-bg-secondary: #2a2a2a;
    --ui67-bg-card: #333333;
    --ui67-text: #f0f0f0;
    --ui67-text-muted: #95A5A6;
    --ui67-accent: #b8860b;
    --ui67-accent-hover: #daa520;
    --ui67-border: #444444;
    --ui67-success: #27ae60;
    --ui67-danger: #e74c3c;
    --ui67-gray: #808080;
    --ui67-radius: 8px;
    --ui67-radius-lg: 12px;
    --ui67-shadow: 0 2px 8px rgba(0,0,0,0.3);
    --ui67-transition: all 0.3s ease;
}

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

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--ui67-bg);
    color: var(--ui67-text);
    line-height: 1.5rem;
    font-size: 1.4rem;
    max-width: 430px;
    margin: 0 auto;
    -webkit-font-smoothing: antialiased;
}

/* === HEADER === */
.ui67-header {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 430px;
    background: linear-gradient(135deg, #1a1a1a 0%, #333333 100%);
    border-bottom: 1px solid var(--ui67-border);
    z-index: 1000;
    padding: 0 1rem;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ui67-header-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ui67-logo {
    width: 28px;
    height: 28px;
    border-radius: 4px;
}

.ui67-site-name {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--ui67-accent);
    white-space: nowrap;
}

.ui67-header-right {
    display: flex;
    align-items: center;
    gap: 6px;
}

.ui67-btn-register, .ui67-btn-login {
    padding: 6px 12px;
    border: none;
    border-radius: var(--ui67-radius);
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--ui67-transition);
    white-space: nowrap;
}

.ui67-btn-register {
    background: var(--ui67-accent);
    color: #fff;
}

.ui67-btn-register:hover {
    background: var(--ui67-accent-hover);
    transform: scale(1.05);
}

.ui67-btn-login {
    background: transparent;
    color: var(--ui67-primary);
    border: 1px solid var(--ui67-primary);
}

.ui67-btn-login:hover {
    background: var(--ui67-primary);
    color: var(--ui67-bg);
}

.ui67-menu-toggle {
    background: none;
    border: none;
    color: var(--ui67-primary);
    font-size: 2rem;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
}

/* === MOBILE MENU === */
.ui67-mobile-menu {
    position: fixed;
    top: 52px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 430px;
    background: var(--ui67-bg-secondary);
    border-bottom-left-radius: var(--ui67-radius-lg);
    border-bottom-right-radius: var(--ui67-radius-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    z-index: 9999;
    box-shadow: var(--ui67-shadow);
}

.ui67-menu-active {
    max-height: 500px;
}

.ui67-mobile-menu ul {
    list-style: none;
    padding: 8px 0;
}

.ui67-mobile-menu li a {
    display: block;
    padding: 10px 1.6rem;
    color: var(--ui67-text);
    text-decoration: none;
    font-size: 1.4rem;
    transition: var(--ui67-transition);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.ui67-mobile-menu li a:hover {
    background: rgba(149,165,166,0.1);
    color: var(--ui67-accent);
    padding-left: 2rem;
}

/* === MAIN CONTENT === */
.ui67-main {
    margin-top: 52px;
    padding: 1rem;
}

@media (max-width: 768px) {
    .ui67-main { padding-bottom: 80px; }
}

/* === CAROUSEL === */
.ui67-carousel {
    position: relative;
    width: 100%;
    height: 180px;
    border-radius: var(--ui67-radius-lg);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.ui67-carousel-slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.6s ease;
    cursor: pointer;
}

.ui67-slide-active { opacity: 1; }

.ui67-carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* === SECTIONS === */
.ui67-section {
    margin-bottom: 2rem;
}

.ui67-section-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--ui67-accent);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--ui67-accent);
}

.ui67-section-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--ui67-text);
    margin: 1.2rem 0 0.8rem;
}

/* === GAME GRID === */
.ui67-game-category-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ui67-primary);
    margin: 1.5rem 0 0.8rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.ui67-game-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-bottom: 1rem;
}

.ui67-game-item {
    text-align: center;
    cursor: pointer;
    transition: var(--ui67-transition);
    border-radius: var(--ui67-radius);
    padding: 6px;
    background: var(--ui67-bg-card);
}

.ui67-game-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--ui67-shadow);
}

.ui67-game-item img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: var(--ui67-radius);
    margin-bottom: 4px;
}

.ui67-game-item span {
    display: block;
    font-size: 1rem;
    color: var(--ui67-text);
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* === CARDS === */
.ui67-card {
    background: var(--ui67-bg-card);
    border-radius: var(--ui67-radius-lg);
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: var(--ui67-shadow);
}

.ui67-card-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--ui67-accent);
    margin-bottom: 0.8rem;
}

/* === PROMO BUTTONS === */
.ui67-promo-btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--ui67-accent) 0%, var(--ui67-accent-hover) 100%);
    color: #fff;
    padding: 10px 20px;
    border-radius: var(--ui67-radius);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.4rem;
    cursor: pointer;
    border: none;
    transition: var(--ui67-transition);
    text-align: center;
}

.ui67-promo-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(184,134,11,0.4);
}

.ui67-promo-text {
    color: var(--ui67-accent);
    font-weight: 700;
    cursor: pointer;
    text-decoration: underline;
    transition: var(--ui67-transition);
}

.ui67-promo-text:hover {
    color: var(--ui67-accent-hover);
}

/* === FOOTER === */
.ui67-footer {
    background: var(--ui67-bg-secondary);
    padding: 2rem 1rem 1rem;
    border-top: 1px solid var(--ui67-border);
    margin-top: 2rem;
}

.ui67-footer-desc {
    font-size: 1.2rem;
    color: var(--ui67-text-muted);
    line-height: 1.6rem;
    margin-bottom: 1.5rem;
}

.ui67-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 1.5rem;
}

.ui67-footer-links a {
    color: var(--ui67-primary);
    text-decoration: none;
    font-size: 1.2rem;
    padding: 4px 8px;
    border: 1px solid var(--ui67-border);
    border-radius: var(--ui67-radius);
    transition: var(--ui67-transition);
}

.ui67-footer-links a:hover {
    background: var(--ui67-accent);
    color: #fff;
    border-color: var(--ui67-accent);
}

.ui67-footer-site-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 1rem;
}

.ui67-footer-site-links a {
    color: var(--ui67-gray);
    text-decoration: none;
    font-size: 1.1rem;
    transition: var(--ui67-transition);
}

.ui67-footer-site-links a:hover {
    color: var(--ui67-accent);
}

.ui67-copyright {
    text-align: center;
    font-size: 1.1rem;
    color: var(--ui67-gray);
    padding-top: 1rem;
    border-top: 1px solid var(--ui67-border);
}

/* === BOTTOM NAV === */
.ui67-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 430px;
    height: 60px;
    background: linear-gradient(180deg, #2a2a2a 0%, #1a1a1a 100%);
    border-top: 1px solid var(--ui67-accent);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.5);
}

.ui67-bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    min-height: 52px;
    background: none;
    border: none;
    color: var(--ui67-text-muted);
    cursor: pointer;
    transition: var(--ui67-transition);
    padding: 4px 0;
    border-radius: var(--ui67-radius);
}

.ui67-bottom-nav-item:hover, .ui67-bottom-nav-item.ui67-nav-active {
    color: var(--ui67-accent);
    transform: scale(1.1);
}

.ui67-bottom-nav-item .ui67-nav-icon {
    font-size: 22px;
    margin-bottom: 2px;
}

.ui67-bottom-nav-item .ui67-nav-label {
    font-size: 10px;
    line-height: 1.2;
}

@media (min-width: 769px) {
    .ui67-bottom-nav { display: none; }
}

/* === TYPOGRAPHY === */
.ui67-text-center { text-align: center; }
.ui67-text-accent { color: var(--ui67-accent); }
.ui67-text-muted { color: var(--ui67-text-muted); }

.ui67-content p {
    margin-bottom: 1rem;
    line-height: 1.6rem;
    color: var(--ui67-text);
}

.ui67-content h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--ui67-accent);
    margin: 2rem 0 0.8rem;
}

.ui67-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--ui67-primary);
    margin: 1.5rem 0 0.6rem;
}

.ui67-content ul {
    padding-left: 2rem;
    margin-bottom: 1rem;
}

.ui67-content ul li {
    margin-bottom: 0.5rem;
    line-height: 1.5rem;
    color: var(--ui67-text);
}

/* === FEATURES GRID === */
.ui67-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin: 1rem 0;
}

.ui67-feature-item {
    background: var(--ui67-bg-card);
    border-radius: var(--ui67-radius);
    padding: 1rem;
    text-align: center;
    border: 1px solid var(--ui67-border);
}

.ui67-feature-item i, .ui67-feature-item .material-icons {
    font-size: 24px;
    color: var(--ui67-accent);
    margin-bottom: 6px;
}

.ui67-feature-item p {
    font-size: 1.2rem;
    color: var(--ui67-text-muted);
    margin: 0;
}

/* === TESTIMONIAL === */
.ui67-testimonial {
    background: var(--ui67-bg-card);
    border-left: 3px solid var(--ui67-accent);
    border-radius: var(--ui67-radius);
    padding: 1rem;
    margin-bottom: 0.8rem;
}

.ui67-testimonial p {
    font-size: 1.2rem;
    font-style: italic;
    color: var(--ui67-text-muted);
    margin-bottom: 0.4rem;
}

.ui67-testimonial span {
    font-size: 1.1rem;
    color: var(--ui67-accent);
    font-weight: 600;
}

/* === PAYMENT METHODS === */
.ui67-payment-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin: 0.8rem 0;
}

.ui67-payment-item {
    background: var(--ui67-bg-card);
    border: 1px solid var(--ui67-border);
    border-radius: var(--ui67-radius);
    padding: 6px 12px;
    font-size: 1.1rem;
    color: var(--ui67-text-muted);
}

/* === WINNER LIST === */
.ui67-winner-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--ui67-border);
}

.ui67-winner-item:last-child { border-bottom: none; }

.ui67-winner-name {
    font-size: 1.2rem;
    color: var(--ui67-text);
}

.ui67-winner-amount {
    font-size: 1.2rem;
    color: var(--ui67-success);
    font-weight: 700;
}

/* === FAQ === */
.ui67-faq-item {
    margin-bottom: 1rem;
}

.ui67-faq-q {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--ui67-accent);
    margin-bottom: 0.3rem;
}

.ui67-faq-a {
    font-size: 1.2rem;
    color: var(--ui67-text-muted);
    line-height: 1.5rem;
    padding-left: 1rem;
}

/* === RESPONSIVE === */
@media (max-width: 320px) {
    .ui67-game-grid { grid-template-columns: repeat(3, 1fr); }
    .ui67-features-grid { grid-template-columns: 1fr; }
}

@media (min-width: 769px) {
    body { max-width: 430px; }
}

/* === UTILITY === */
.ui67-mt-1 { margin-top: 1rem; }
.ui67-mb-1 { margin-bottom: 1rem; }
.ui67-mb-2 { margin-bottom: 2rem; }
.ui67-p-1 { padding: 1rem; }
.ui67-hidden { display: none; }

.ui67-divider {
    border: none;
    border-top: 1px solid var(--ui67-border);
    margin: 1.5rem 0;
}