/* Enhanced Mobile UX for Dreamle Mining */
/* 增强版移动端用户体验系统 */

/* === Mobile-First Design Variables === */
:root {
    /* Mobile Breakpoints */
    --mobile-xs: 320px;
    --mobile-sm: 375px;
    --mobile-md: 414px;
    --mobile-lg: 480px;
    --tablet: 768px;
    --desktop: 1024px;
    
    /* Mobile-Specific Spacing */
    --mobile-padding: 20px;
    --mobile-margin: 16px;
    --mobile-gap: 12px;
    --touch-target: 48px;
    
    /* Mobile Performance */
    --mobile-transition: 0.2s ease-out;
    --mobile-animation: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Mobile Colors */
    --mobile-overlay: rgba(0, 0, 0, 0.9);
    --mobile-backdrop: rgba(10, 10, 15, 0.95);
    --mobile-border: rgba(0, 255, 136, 0.3);
}

/* === Enhanced Mobile Navigation === */
@media (max-width: 768px) {
    .navbar {
        height: 70px;
        padding: 0 var(--mobile-padding);
        background: var(--mobile-backdrop);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--mobile-border);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
    }
    
    .nav-container {
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        max-width: 100%;
    }
    
    /* Enhanced Logo for Mobile */
    .logo {
        flex-shrink: 0;
    }
    
    .logo-text {
        font-size: 1.25rem;
        font-weight: 700;
        background: var(--primary-gradient);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    
    .logo-subtitle {
        display: none; /* Hide subtitle on mobile for space */
    }
    
    /* Enhanced Mobile Menu Toggle */
    .mobile-menu-toggle {
        width: 48px;
        height: 48px;
        background: rgba(0, 255, 136, 0.1);
        border: 2px solid transparent;
        border-radius: 12px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 4px;
        cursor: pointer;
        transition: var(--mobile-transition);
        position: relative;
        overflow: hidden;
    }
    
    .mobile-menu-toggle::before {
        content: '';
        position: absolute;
        inset: 0;
        background: var(--primary-gradient);
        opacity: 0;
        transition: var(--mobile-transition);
        border-radius: 10px;
    }
    
    .mobile-menu-toggle:hover::before,
    .mobile-menu-toggle:focus::before {
        opacity: 0.1;
    }
    
    .mobile-menu-toggle:active {
        transform: scale(0.95);
    }
    
    .hamburger-line {
        width: 24px;
        height: 3px;
        background: var(--primary-gradient);
        border-radius: 2px;
        transition: var(--mobile-animation);
        position: relative;
        z-index: 1;
    }
    
    /* Animated hamburger states */
    .mobile-menu-toggle.active .hamburger-line:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .mobile-menu-toggle.active .hamburger-line:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active .hamburger-line:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    /* Enhanced Mobile Menu */
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--mobile-overlay);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        transform: translateX(-100%);
        transition: transform var(--mobile-animation);
        overflow-y: auto;
        z-index: 999;
        padding: var(--mobile-padding);
        display: flex;
        flex-direction: column;
        gap: var(--mobile-gap);
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    /* Mobile Menu Items */
    .nav-menu > li {
        list-style: none;
        margin: 0;
    }
    
    .nav-link {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 16px 20px;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 12px;
        color: var(--text-primary);
        text-decoration: none;
        font-weight: 500;
        transition: var(--mobile-transition);
        min-height: var(--touch-target);
    }
    
    .nav-link:hover,
    .nav-link:focus {
        background: rgba(0, 255, 136, 0.1);
        border-color: var(--mobile-border);
        transform: translateX(4px);
    }
    
    .nav-link:active {
        transform: scale(0.98) translateX(4px);
    }
    
    /* Dropdown Menu for Mobile */
    .dropdown-menu {
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--mobile-animation);
        background: rgba(0, 0, 0, 0.3);
        border-radius: 8px;
        margin-top: 8px;
    }
    
    .nav-dropdown.active .dropdown-menu {
        max-height: 500px;
        padding: 12px;
    }
    
    .dropdown-link {
        display: block;
        padding: 12px 16px;
        color: var(--text-secondary);
        text-decoration: none;
        border-radius: 6px;
        transition: var(--mobile-transition);
        font-size: 0.9rem;
    }
    
    .dropdown-link:hover,
    .dropdown-link:focus {
        background: rgba(0, 255, 136, 0.1);
        color: var(--text-primary);
    }
    
    /* Mobile Action Buttons */
    .nav-actions {
        display: none;
    }
    
    .nav-actions-mobile {
        display: flex !important;
        flex-direction: column;
        gap: 12px;
        margin-top: auto;
        padding-top: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .btn-connect-wallet,
    .btn-launch-app {
        width: 100%;
        padding: 16px 24px;
        border-radius: 12px;
        font-weight: 600;
        text-align: center;
        transition: var(--mobile-transition);
        min-height: var(--touch-target);
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }
    
    .btn-connect-wallet {
        background: rgba(0, 255, 136, 0.1);
        border: 2px solid var(--mobile-border);
        color: var(--text-primary);
    }
    
    .btn-launch-app {
        background: var(--primary-gradient);
        border: 2px solid transparent;
        color: #000;
        font-weight: 700;
    }
    
    .btn-connect-wallet:hover,
    .btn-connect-wallet:focus {
        background: rgba(0, 255, 136, 0.2);
        transform: translateY(-2px);
    }
    
    .btn-launch-app:hover,
    .btn-launch-app:focus {
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(0, 255, 136, 0.3);
    }
    
    /* Language Toggle for Mobile */
    .btn-language-toggle {
        position: absolute;
        top: 50%;
        right: 80px;
        transform: translateY(-50%);
        width: 40px;
        height: 40px;
        background: rgba(0, 255, 136, 0.1);
        border: 1px solid var(--mobile-border);
        border-radius: 8px;
        color: var(--text-primary);
        font-size: 0.8rem;
        font-weight: 600;
        transition: var(--mobile-transition);
    }
    
    .btn-language-toggle:hover,
    .btn-language-toggle:focus {
        background: rgba(0, 255, 136, 0.2);
        transform: translateY(-50%) scale(1.05);
    }
}

/* === Mobile Content Adjustments === */
@media (max-width: 768px) {
    /* Add top padding to account for fixed navbar */
    body {
        padding-top: 70px;
    }
    
    /* Hero Section Mobile Optimization */
    .hero-section {
        padding: 40px var(--mobile-padding);
        min-height: calc(100vh - 70px);
    }
    
    .hero-content {
        text-align: center;
        max-width: 100%;
    }
    
    .hero-title-premium {
        font-size: 2rem;
        line-height: 1.2;
        margin-bottom: 20px;
    }
    
    .hero-description-premium {
        font-size: 1rem;
        line-height: 1.5;
        margin-bottom: 30px;
    }
    
    /* Mobile Features Grid */
    .hero-features-premium {
        display: flex;
        flex-direction: column;
        gap: 16px;
        margin-bottom: 30px;
    }
    
    .feature-card-mini {
        padding: 16px;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 12px;
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    /* Mobile Stats */
    .hero-stats-inline {
        display: flex;
        flex-direction: column;
        gap: 12px;
        margin-bottom: 30px;
    }
    
    .stat-item-inline {
        background: rgba(255, 255, 255, 0.05);
        padding: 16px;
        border-radius: 12px;
        text-align: center;
    }
    
    /* Mobile Action Buttons */
    .hero-actions-premium {
        display: flex;
        flex-direction: column;
        gap: 16px;
        width: 100%;
    }
    
    .btn-primary-premium,
    .btn-secondary-premium {
        width: 100%;
        padding: 16px 24px;
        border-radius: 12px;
        font-weight: 600;
        min-height: var(--touch-target);
    }
}