/**
 * BMW333 - Stylesheet
 * Website: bmw333.click
 * All classes use prefix: ui15-
 * Colors: #3A3A3A (bg), #8B4513 (primary), #F5F5F5 (text)
 */

/* CSS Variables */
:root {
    --ui15-bg-dark: #3A3A3A;
    --ui15-primary: #8B4513;
    --ui15-text-light: #F5F5F5;
    --ui15-primary-light: #A0522D;
    --ui15-bg-card: #4A4A4A;
    --ui15-border: #5A5A5A;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--ui15-bg-dark);
    color: var(--ui15-text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

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

/* Header */
.ui15-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(135deg, var(--ui15-bg-dark) 0%, #2A2A2A 100%);
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--ui15-primary);
    transition: box-shadow 0.3s ease;
}

.ui15-header.ui15-scrolled {
    box-shadow: 0 4px 20px rgba(139, 69, 19, 0.3);
}

.ui15-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.ui15-logo img {
    width: 32px;
    height: 32px;
}

.ui15-logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--ui15-primary);
    letter-spacing: 1px;
}

.ui15-header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.ui15-btn {
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.ui15-btn-login {
    background: transparent;
    color: var(--ui15-text-light);
    border: 2px solid var(--ui15-primary);
}

.ui15-btn-login:hover {
    background: var(--ui15-primary);
    color: var(--ui15-text-light);
}

.ui15-btn-register {
    background: linear-gradient(135deg, var(--ui15-primary) 0%, var(--ui15-primary-light) 100%);
    color: var(--ui15-text-light);
    box-shadow: 0 4px 15px rgba(139, 69, 19, 0.4);
}

.ui15-btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 69, 19, 0.6);
}

.ui15-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--ui15-text-light);
    font-size: 24px;
    cursor: pointer;
    padding: 5px;
}

/* Desktop Navigation */
.ui15-desktop-nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

.ui15-desktop-nav a {
    color: var(--ui15-text-light);
    font-size: 14px;
    padding: 8px 12px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.ui15-desktop-nav a:hover {
    background: var(--ui15-primary);
    color: var(--ui15-text-light);
}

/* Mobile Menu */
.ui15-mobile-menu {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    background: linear-gradient(180deg, #2A2A2A 0%, var(--ui15-bg-dark) 100%);
    z-index: 9999;
    padding: 80px 20px 20px;
    transition: right 0.3s ease;
    overflow-y: auto;
}

.ui15-mobile-menu.appd15-active {
    right: 0;
}

.ui15-mobile-menu-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--ui15-text-light);
    font-size: 28px;
    cursor: pointer;
}

.ui15-mobile-menu a {
    display: block;
    padding: 14px 16px;
    color: var(--ui15-text-light);
    font-size: 15px;
    border-bottom: 1px solid var(--ui15-border);
    transition: all 0.3s ease;
}

.ui15-mobile-menu a:hover {
    background: var(--ui15-primary);
    padding-left: 24px;
}

.ui15-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.ui15-menu-overlay.appd15-active {
    opacity: 1;
    visibility: visible;
}

/* Main Content */
main {
    padding-top: 70px;
}

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

/* Hero Section */
.ui15-hero {
    background: linear-gradient(135deg, #2A2A2A 0%, var(--ui15-bg-dark) 50%, #2A2A2A 100%);
    padding: 60px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.ui15-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(139, 69, 19, 0.2) 0%, transparent 50%);
}

.ui15-hero-content {
    position: relative;
    z-index: 1;
}

.ui15-hero h1 {
    font-size: 32px;
    margin-bottom: 16px;
    color: var(--ui15-primary);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.ui15-hero p {
    font-size: 16px;
    color: var(--ui15-text-light);
    max-width: 600px;
    margin: 0 auto 24px;
    opacity: 0.9;
}

.ui15-hero-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.ui15-hero-btn {
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 700;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.ui15-hero-btn-primary {
    background: linear-gradient(135deg, var(--ui15-primary) 0%, var(--ui15-primary-light) 100%);
    color: var(--ui15-text-light);
    box-shadow: 0 4px 20px rgba(139, 69, 19, 0.5);
}

.ui15-hero-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(139, 69, 19, 0.7);
}

/* Section Styles */
.ui15-section {
    padding: 40px 16px;
}

.ui15-section-title {
    font-size: 24px;
    color: var(--ui15-primary);
    margin-bottom: 24px;
    text-align: center;
    position: relative;
}

.ui15-section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--ui15-primary);
    margin: 12px auto 0;
}

/* Game Grid */
.ui15-game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 16px;
    max-width: 1200px;
    margin: 0 auto;
}

.ui15-game-card {
    background: var(--ui15-bg-card);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.ui15-game-card:hover {
    transform: translateY(-5px);
    border-color: var(--ui15-primary);
    box-shadow: 0 10px 30px rgba(139, 69, 19, 0.3);
}

.ui15-game-card img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.ui15-game-card-title {
    padding: 12px;
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--ui15-text-light);
    background: linear-gradient(180deg, transparent 0%, rgba(139, 69, 19, 0.2) 100%);
}

/* Features Grid */
.ui15-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.ui15-feature-card {
    background: var(--ui15-bg-card);
    padding: 24px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--ui15-border);
    transition: all 0.3s ease;
}

.ui15-feature-card:hover {
    border-color: var(--ui15-primary);
    box-shadow: 0 8px 25px rgba(139, 69, 19, 0.2);
}

.ui15-feature-icon {
    font-size: 48px;
    color: var(--ui15-primary);
    margin-bottom: 16px;
}

.ui15-feature-card h3 {
    font-size: 18px;
    color: var(--ui15-primary);
    margin-bottom: 12px;
}

.ui15-feature-card p {
    font-size: 14px;
    color: var(--ui15-text-light);
    opacity: 0.9;
}

/* Category Tabs */
.ui15-category-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 24px;
    padding: 0 16px;
}

.ui15-tab-btn {
    padding: 10px 20px;
    background: var(--ui15-bg-card);
    color: var(--ui15-text-light);
    border: 2px solid var(--ui15-border);
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.ui15-tab-btn:hover,
.ui15-tab-btn.active {
    background: var(--ui15-primary);
    border-color: var(--ui15-primary);
    color: var(--ui15-text-light);
}

/* Footer */
.ui15-footer {
    background: linear-gradient(180deg, var(--ui15-bg-dark) 0%, #2A2A2A 100%);
    padding: 40px 16px 20px;
    border-top: 2px solid var(--ui15-primary);
}

.ui15-partners {
    text-align: center;
    margin-bottom: 30px;
}

.ui15-partners h4 {
    font-size: 16px;
    color: var(--ui15-primary);
    margin-bottom: 16px;
}

.ui15-partners-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
}

.ui15-partners-grid img {
    height: 30px;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.ui15-partners-grid img:hover {
    opacity: 1;
}

.ui15-footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 24px;
}

.ui15-footer-links a {
    color: var(--ui15-text-light);
    font-size: 14px;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.ui15-footer-links a:hover {
    color: var(--ui15-primary);
    opacity: 1;
}

.ui15-copyright {
    text-align: center;
    font-size: 13px;
    color: var(--ui15-text-light);
    opacity: 0.7;
}

/* Bottom Navigation */
.ui15-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: linear-gradient(180deg, #2A2A2A 0%, var(--ui15-bg-dark) 100%);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 1000;
    border-top: 2px solid var(--ui15-primary);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.ui15-bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    min-height: 60px;
    color: var(--ui15-text-light);
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.ui15-bottom-nav-item:hover {
    color: var(--ui15-primary);
}

.ui15-bottom-nav-item.active {
    color: var(--ui15-primary);
}

.ui15-bottom-nav-item .material-icons,
.ui15-bottom-nav-item ion-icon,
.ui15-bottom-nav-item i {
    font-size: 24px;
    margin-bottom: 4px;
}

.ui15-bottom-nav-item span {
    font-size: 11px;
    font-weight: 500;
}

/* Content Sections */
.ui15-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 16px;
}

.ui15-content h2 {
    font-size: 22px;
    color: var(--ui15-primary);
    margin: 24px 0 16px;
}

.ui15-content h3 {
    font-size: 18px;
    color: var(--ui15-primary);
    margin: 20px 0 12px;
}

.ui15-content p {
    margin-bottom: 16px;
    line-height: 1.8;
    color: var(--ui15-text-light);
}

.ui15-content ul,
.ui15-content ol {
    margin: 16px 0;
    padding-left: 24px;
}

.ui15-content li {
    margin-bottom: 10px;
    line-height: 1.7;
}

/* Promo Link Styles */
.ui15-promo-link {
    color: var(--ui15-primary);
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.ui15-promo-link:hover {
    text-decoration: underline;
    text-shadow: 0 0 10px rgba(139, 69, 19, 0.5);
}

/* Responsive */
@media (max-width: 768px) {
    .ui15-header {
        padding: 10px 12px;
    }

    .ui15-logo-text {
        font-size: 18px;
    }

    .ui15-desktop-nav {
        display: none;
    }

    .ui15-menu-toggle {
        display: block;
    }

    .ui15-hero h1 {
        font-size: 26px;
    }

    .ui15-hero p {
        font-size: 14px;
    }

    .ui15-btn {
        padding: 8px 16px;
        font-size: 13px;
    }

    .ui15-hero-btn {
        padding: 12px 24px;
        font-size: 14px;
    }
}

@media (min-width: 769px) {
    .ui15-bottom-nav {
        display: none;
    }

    .ui15-game-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }
}

/* Animations */
@keyframes appd15-fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes appd15-fadeOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(10px); }
}

/* Toast Animation */
.appd15-toast {
    animation: appd15-fadeIn 0.3s ease;
}