/* ========== CSS Reset & Base Styles ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #FFD700;
    --secondary-color: #1a1a2e;
    --accent-color: #16213e;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --bg-dark: #0f0f1e;
    --bg-card: #1a1a2e;
    --bg-hover: #252538;
    --success-color: #00ff88;
    --danger-color: #ff3366;
    --gradient-primary: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    --gradient-bg: linear-gradient(180deg, #0f0f1e 0%, #1a1a2e 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========== Header ========== */
.header {
    background: var(--bg-card);
    border-bottom: 1px solid rgba(255, 215, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
    gap: 20px;
}

.logo svg text {
    filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.5));
}

.main-nav {
    display: flex;
    gap: 10px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: transparent;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    border: 1px solid transparent;
}

.nav-link:hover {
    background: var(--bg-hover);
    color: var(--primary-color);
}

.nav-link.active {
    background: var(--gradient-primary);
    color: var(--secondary-color);
    border-color: var(--primary-color);
}

.nav-link .icon {
    font-size: 18px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ========== Buttons ========== */
.btn {
    padding: 10px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--secondary-color);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
}

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

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

.btn-hero {
    padding: 16px 40px;
    font-size: 18px;
    background: var(--gradient-primary);
    color: var(--secondary-color);
    box-shadow: 0 8px 30px rgba(255, 215, 0, 0.4);
}

.btn-hero:hover {
    transform: scale(1.05);
}

.btn-play {
    background: var(--gradient-primary);
    color: var(--secondary-color);
    padding: 12px 30px;
    font-size: 16px;
}

.btn-demo {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    padding: 8px 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    margin-top: 10px;
}

.btn-full {
    width: 100%;
}

/* ========== Language Selector ========== */
.lang-selector {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--bg-hover);
    color: var(--text-primary);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.lang-selector:hover {
    background: var(--accent-color);
    border-color: var(--primary-color);
}

.lang-selector .flag {
    font-size: 18px;
}

.lang-selector .arrow {
    font-size: 10px;
    transition: var(--transition);
}

.lang-selector.active .arrow {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: 70px;
    right: 20px;
    background: var(--bg-card);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 12px;
    padding: 8px;
    min-width: 200px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1001;
}

.lang-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 12px 16px;
    background: transparent;
    color: var(--text-primary);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
}

.lang-option:hover {
    background: var(--bg-hover);
    color: var(--primary-color);
}

.lang-option .flag {
    font-size: 20px;
}

/* ========== Mobile Menu Toggle ========== */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition);
}

/* ========== Sidebar ========== */
.sidebar {
    position: fixed;
    left: 0;
    top: 71px;
    width: 260px;
    height: calc(100vh - 71px);
    background: var(--bg-card);
    border-right: 1px solid rgba(255, 215, 0, 0.1);
    overflow-y: auto;
    z-index: 100;
    transition: var(--transition);
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 215, 0, 0.3);
    border-radius: 3px;
}

.sidebar-content {
    padding: 20px 10px;
}

.sidebar-section {
    margin-bottom: 24px;
}

.sidebar-title {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-secondary);
    padding: 8px 16px;
    margin-bottom: 4px;
    letter-spacing: 1px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition);
    margin-bottom: 4px;
}

.sidebar-link:hover {
    background: var(--bg-hover);
    color: var(--primary-color);
}

.sidebar-link.vip {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(255, 165, 0, 0.1) 100%);
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.sidebar-link.vip:hover {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.2) 0%, rgba(255, 165, 0, 0.2) 100%);
}

.sidebar-link .icon {
    font-size: 18px;
    width: 20px;
    text-align: center;
}

.sidebar-more {
    width: 100%;
    padding: 8px 16px;
    background: transparent;
    color: var(--primary-color);
    border: 1px dashed rgba(255, 215, 0, 0.3);
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
    margin-top: 8px;
}

.sidebar-more:hover {
    background: var(--bg-hover);
    border-style: solid;
}

/* ========== Main Content ========== */
.main-content {
    margin-left: 260px;
    min-height: calc(100vh - 71px);
    padding: 30px 0;
}

/* ========== Hero Banner ========== */
.hero-banner {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(255, 165, 0, 0.05) 100%);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 20px;
    padding: 60px 40px;
    margin-bottom: 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    overflow: hidden;
    position: relative;
}

.hero-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.banner-content {
    position: relative;
    z-index: 2;
}

.banner-content h1 {
    font-size: 48px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    line-height: 1.2;
}

.banner-content p {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.banner-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 2;
}

.banner-placeholder {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--bg-card) 100%);
    border: 2px solid rgba(255, 215, 0, 0.3);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* ========== Games Section ========== */
.games-section {
    margin-bottom: 50px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.section-header h2 {
    font-size: 28px;
    font-weight: 700;
}

.filter-tabs {
    display: flex;
    gap: 8px;
}

.filter-tab {
    padding: 8px 20px;
    background: var(--bg-hover);
    color: var(--text-secondary);
    border: 1px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
}

.filter-tab:hover {
    background: var(--accent-color);
    color: var(--primary-color);
}

.filter-tab.active {
    background: var(--gradient-primary);
    color: var(--secondary-color);
    border-color: var(--primary-color);
}

/* ========== Games Grid ========== */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.game-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 215, 0, 0.1);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
}

.game-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.game-image {
    position: relative;
    width: 100%;
    padding-top: 133%;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--bg-hover) 100%);
    overflow: hidden;
}

.game-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
}

.game-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.game-card:hover .game-overlay {
    opacity: 1;
}

.game-info {
    padding: 16px;
}

.game-info h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.game-info .provider {
    font-size: 13px;
    color: var(--text-secondary);
}

.game-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    backdrop-filter: blur(10px);
    z-index: 10;
}

.game-badge.jackpot {
    background: rgba(255, 215, 0, 0.9);
    color: var(--secondary-color);
}

.game-badge.new {
    background: rgba(138, 43, 226, 0.9);
    color: white;
}

.game-badge.hot {
    background: rgba(255, 51, 102, 0.9);
    color: white;
}

.live-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 6px 12px;
    background: rgba(255, 0, 0, 0.9);
    color: white;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    animation: pulse 2s ease-in-out infinite;
    z-index: 10;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* ========== Sports Grid ========== */
.sports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.sport-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 215, 0, 0.1);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.sport-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.sport-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.sport-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.sport-card p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ========== Footer ========== */
.footer {
    background: var(--bg-card);
    border-top: 1px solid rgba(255, 215, 0, 0.1);
    margin-left: 260px;
    padding: 50px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--primary-color);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 14px;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.payment-methods {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.payment-icon {
    font-size: 32px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 215, 0, 0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 8px;
}

.disclaimer {
    font-size: 12px;
    color: var(--danger-color);
}

/* ========== Chat Button ========== */
.chat-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 24px;
    background: var(--gradient-primary);
    color: var(--secondary-color);
    border: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    box-shadow: 0 8px 30px rgba(255, 215, 0, 0.4);
    transition: var(--transition);
    z-index: 1000;
}

.chat-button:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 40px rgba(255, 215, 0, 0.5);
}

.chat-icon {
    font-size: 24px;
}

/* ========== Modals ========== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 20px;
    padding: 40px;
    max-width: 450px;
    width: 90%;
    position: relative;
    box-shadow: var(--shadow-lg);
    transform: scale(0.9);
    transition: var(--transition);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 32px;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--primary-color);
    transform: rotate(90deg);
}

.modal-content h2 {
    font-size: 28px;
    margin-bottom: 30px;
    text-align: center;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="text"] {
    padding: 14px 18px;
    background: var(--bg-hover);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 15px;
    transition: var(--transition);
}

.auth-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    cursor: pointer;
    width: 18px;
    height: 18px;
}

.modal-footer {
    text-align: center;
    margin-top: 20px;
    color: var(--text-secondary);
    font-size: 14px;
}

.modal-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.modal-footer a:hover {
    text-decoration: underline;
}

/* ========== Responsive Design ========== */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content,
    .footer {
        margin-left: 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .games-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
    }
    
    .hero-banner {
        grid-template-columns: 1fr;
        padding: 40px 20px;
        text-align: center;
    }
    
    .banner-content h1 {
        font-size: 36px;
    }
    
    .banner-placeholder {
        width: 200px;
        height: 200px;
        font-size: 60px;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .filter-tabs {
        overflow-x: auto;
        width: 100%;
    }
    
    .games-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 12px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .chat-button {
        padding: 12px 20px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .header-actions .btn {
        padding: 8px 16px;
        font-size: 12px;
    }
    
    .lang-selector span:not(.flag) {
        display: none;
    }
    
    .banner-content h1 {
        font-size: 28px;
    }
    
    .banner-content p {
        font-size: 16px;
    }
    
    .btn-hero {
        padding: 12px 30px;
        font-size: 16px;
    }
    
    .games-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}