/* Enhanced Mobile Navigation Design for Dreamle Mining */
/* 增强版移动端导航设计 */

:root {
    --nav-primary: #0a0a0a;
    --nav-secondary: #1a1a2e;
    --nav-accent: #00ff88;
    --nav-accent-hover: #00cc6a;
    --nav-text: #ffffff;
    --nav-text-secondary: #cccccc;
    --nav-border: rgba(0, 255, 136, 0.2);
    --nav-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --nav-blur: blur(20px);
    --nav-transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --nav-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Enhanced Mobile Header */
@media (max-width: 768px) {
    .navbar {
        background: linear-gradient(135deg, 
            rgba(10, 10, 10, 0.95) 0%, 
            rgba(26, 26, 46, 0.95) 100%);
        backdrop-filter: var(--nav-blur);
        -webkit-backdrop-filter: var(--nav-blur);
        border-bottom: 1px solid var(--nav-border);
        box-shadow: var(--nav-shadow);
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        height: 70px;
        padding: 0 20px;
    }
    
    .nav-container {
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        max-width: 100%;
        margin: 0;
        padding: 0;
    }
}

/* Premium Hamburger Menu Button */
.mobile-menu-toggle {
    position: relative;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, 
        rgba(0, 255, 136, 0.1) 0%, 
        rgba(0, 204, 106, 0.1) 100%);
    border: 2px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
    transition: var(--nav-transition);
    overflow: hidden;
}

.mobile-menu-toggle::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--nav-accent), var(--nav-accent-hover));
    opacity: 0;
    transition: var(--nav-transition);
    border-radius: 10px;
    z-index: -1;
}

.mobile-menu-toggle:hover::before {
    opacity: 0.1;
}

.mobile-menu-toggle:active {
    transform: scale(0.95);
}

/* Enhanced Hamburger Lines */
.hamburger-line {
    width: 24px;
    height: 3px;
    background: linear-gradient(90deg, var(--nav-accent), var(--nav-accent-hover));
    border-radius: 2px;
    transition: var(--nav-transition);
    position: relative;
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
}

.hamburger-line::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: inherit;
    border-radius: inherit;
    opacity: 0.5;
    filter: blur(2px);
}

/* Animated Hamburger States */
.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
    background: linear-gradient(90deg, #ff4444, #ff6666);
    box-shadow: 0 0 15px rgba(255, 68, 68, 0.5);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scale(0);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
    background: linear-gradient(90deg, #ff4444, #ff6666);
    box-shadow: 0 0 15px rgba(255, 68, 68, 0.5);
}

/* Premium Mobile Navigation Menu */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(180deg, 
            rgba(10, 10, 15, 0.98) 0%,
            rgba(15, 15, 25, 0.98) 50%,
            rgba(20, 20, 35, 0.98) 100%);
        backdrop-filter: var(--nav-blur);
        -webkit-backdrop-filter: var(--nav-blur);
        transform: translateX(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--nav-transition);
        flex-direction: column;
        padding: 0;
        margin: 0;
        overflow-y: auto;
        z-index: 999;
        border-right: 1px solid var(--nav-border);
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.3);
    }
    
    .nav-menu.active {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }
    
    /* Menu Header */
    .nav-menu::before {
        content: '';
        display: block;
        height: 60px;
        background: linear-gradient(135deg, 
            rgba(0, 255, 136, 0.1) 0%, 
            rgba(0, 204, 106, 0.05) 100%);
        border-bottom: 1px solid var(--nav-border);
        margin-bottom: 20px;
        position: relative;
    }
    
    .nav-menu::after {
        content: '⚡ Dreamle Mining';
        position: absolute;
        top: 85px;
        left: 20px;
        color: var(--nav-accent);
        font-weight: 700;
        font-size: 1.1rem;
        text-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
    }
}

/* Enhanced Menu Items */
@media (max-width: 768px) {
    .nav-menu li {
        width: 100%;
        margin: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        position: relative;
        overflow: hidden;
    }
    
    .nav-menu li::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 4px;
        background: linear-gradient(180deg, var(--nav-accent), var(--nav-accent-hover));
        transform: scaleY(0);
        transition: var(--nav-transition);
        transform-origin: bottom;
    }
    
    .nav-menu li:hover::before {
        transform: scaleY(1);
        transform-origin: top;
    }
    
    .nav-menu .nav-link {
        display: flex;
        align-items: center;
        padding: 18px 24px;
        color: var(--nav-text);
        text-decoration: none;
        font-size: 1rem;
        font-weight: 500;
        transition: var(--nav-transition);
        position: relative;
        min-height: 56px;
        background: transparent;
    }
    
    .nav-menu .nav-link::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(90deg, 
            rgba(0, 255, 136, 0.1) 0%, 
            transparent 100%);
        opacity: 0;
        transition: var(--nav-transition);
    }
    
    .nav-menu .nav-link:hover::before {
        opacity: 1;
    }
    
    .nav-menu .nav-link:hover {
        color: var(--nav-accent);
        padding-left: 32px;
        text-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
    }
    
    .nav-menu .nav-link:active {
        transform: scale(0.98);
    }
}

/* Enhanced Dropdown Menus */
@media (max-width: 768px) {
    .nav-dropdown .dropdown-menu {
        position: static !important;
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
        background: rgba(0, 0, 0, 0.3) !important;
        border-radius: 0 !important;
        margin: 0 !important;
        padding: 0 !important;
        box-shadow: inset 0 0 20px rgba(0, 255, 136, 0.05) !important;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s var(--nav-bounce);
        border-left: 2px solid var(--nav-accent);
        margin-left: 20px;
    }
    
    .nav-dropdown.active .dropdown-menu {
        max-height: 400px;
    }
    
    .nav-dropdown .dropdown-menu li {
        border-bottom: 1px solid rgba(255, 255, 255, 0.03) !important;
        margin: 0 !important;
    }
    
    .nav-dropdown .dropdown-menu .nav-link {
        padding: 14px 20px !important;
        font-size: 0.9rem !important;
        color: var(--nav-text-secondary) !important;
        border-radius: 0 !important;
        position: relative;
    }
    
    .nav-dropdown .dropdown-menu .nav-link::before {
        content: '▸';
        margin-right: 8px;
        color: var(--nav-accent);
        opacity: 0;
        transition: var(--nav-transition);
    }
    
    .nav-dropdown .dropdown-menu .nav-link:hover::before {
        opacity: 1;
    }
    
    .nav-dropdown .dropdown-menu .nav-link:hover {
        background: rgba(0, 255, 136, 0.05) !important;
        color: var(--nav-accent) !important;
        padding-left: 28px !important;
    }
    
    .dropdown-arrow {
        transition: var(--nav-transition);
        margin-left: auto;
        font-size: 0.8rem;
        color: var(--nav-accent);
    }
    
    .nav-dropdown.active .dropdown-arrow {
        transform: rotate(180deg);
        color: var(--nav-accent-hover);
    }
}

/* Enhanced Action Buttons */
@media (max-width: 768px) {
    .nav-actions-mobile {
        display: flex !important;
        flex-direction: column !important;
        gap: 16px !important;
        padding: 24px !important;
        border-top: 2px solid var(--nav-border) !important;
        margin-top: 20px !important;
        background: linear-gradient(135deg, 
            rgba(0, 255, 136, 0.05) 0%, 
            rgba(0, 204, 106, 0.02) 100%);
    }
    
    .nav-actions-mobile .btn-connect-wallet,
    .nav-actions-mobile .btn-launch-app {
        width: 100% !important;
        padding: 16px 24px !important;
        border-radius: 12px !important;
        font-weight: 600 !important;
        font-size: 1rem !important;
        transition: var(--nav-transition) !important;
        position: relative !important;
        overflow: hidden !important;
        border: 2px solid transparent !important;
    }
    
    .nav-actions-mobile .btn-connect-wallet {
        background: linear-gradient(135deg, var(--nav-accent), var(--nav-accent-hover)) !important;
        color: #000 !important;
        box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3) !important;
    }
    
    .nav-actions-mobile .btn-launch-app {
        background: linear-gradient(135deg, #ff6b35, #f7931e) !important;
        color: #fff !important;
        box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3) !important;
    }
    
    .nav-actions-mobile .btn-connect-wallet:hover,
    .nav-actions-mobile .btn-launch-app:hover {
        transform: translateY(-2px) !important;
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2) !important;
    }
    
    .nav-actions-mobile .btn-connect-wallet:active,
    .nav-actions-mobile .btn-launch-app:active {
        transform: translateY(0) scale(0.98) !important;
    }
}

/* Menu Overlay */
@media (max-width: 768px) {
    .nav-menu-overlay {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: var(--nav-transition);
        z-index: 998;
        backdrop-filter: blur(5px);
        -webkit-backdrop-filter: blur(5px);
    }
    
    .nav-menu-overlay.active {
        opacity: 1;
        visibility: visible;
    }
}

/* Smooth Scroll Prevention */
.mobile-menu-open {
    overflow: hidden !important;
    height: 100vh !important;
}

/* Loading Animation */
.nav-menu.loading {
    pointer-events: none;
}

.nav-menu.loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--nav-accent), 
        transparent);
    animation: loading-bar 1.5s infinite;
}

@keyframes loading-bar {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Accessibility Improvements */
@media (max-width: 768px) {
    .nav-menu .nav-link:focus,
    .mobile-menu-toggle:focus {
        outline: 2px solid var(--nav-accent);
        outline-offset: 2px;
    }
    
    .nav-menu .nav-link[aria-current="page"] {
        background: rgba(0, 255, 136, 0.1);
        color: var(--nav-accent);
        border-left: 4px solid var(--nav-accent);
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .mobile-menu-toggle,
    .hamburger-line,
    .nav-menu,
    .nav-menu .nav-link,
    .dropdown-arrow {
        transition: none !important;
        animation: none !important;
    }
}