/* Sidebar Styles */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 2500;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

.sidebar {
    position: fixed;
    top: 0;
    left: -320px;
    width: 320px;
    height: 100vh;
    background: linear-gradient(135deg, #869ee0 0%, #172a49 100%);
    z-index: 3000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.3);
    overflow-y: auto;
}

.sidebar.active {
    left: 0;
}

.sidebar-header {
    padding: 2rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

.sidebar-logo {
    height: 50px;
    width: auto;
    margin-bottom: 1rem;
    filter: brightness(1.2);
}

.sidebar-title {
    color: white;
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0;
    opacity: 0.9;
}

.sidebar-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.sidebar-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1) rotate(90deg);
}

.sidebar-nav {
    padding: 1rem 0;
}

.sidebar-nav-item {
    list-style: none;
    margin: 0;
}

.sidebar-nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.sidebar-nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.sidebar-nav-link:hover::before {
    left: 100%;
}

.sidebar-nav-link:hover,
.sidebar-nav-link.active {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    transform: translateX(10px);
    box-shadow: inset 4px 0 0 #fbbf24;
}

.sidebar-nav-link i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
    color: #fbbf24;
}

.sidebar-nav-link span {
    font-size: 1rem;
}

.sidebar-actions {
    padding: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: auto;
}

.sidebar-register-btn {
    width: 100%;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: white;
    border: none;
    padding: 1rem 1.5rem;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    position: relative;
    overflow: hidden;
}

.sidebar-register-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.sidebar-register-btn:hover::before {
    left: 100%;
}

.sidebar-register-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(34, 197, 94, 0.4);
}

.sidebar-cart-btn {
    width: 100%;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: white;
    border: none;
    padding: 1rem 1.5rem;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(251, 191, 36, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.sidebar-cart-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.sidebar-cart-btn:hover::before {
    left: 100%;
}

.sidebar-cart-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(251, 191, 36, 0.4);
}

.sidebar-cart-count {
    background: #ef4444;
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
    margin-left: 0.5rem;
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.sidebar-social-icons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.sidebar-social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.sidebar-social-link:hover {
    background: #22c55e;
    transform: translateY(-2px) scale(1.1);
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3);
}

.sidebar-contact {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    line-height: 1.4;
}

.sidebar-contact p {
    margin: 0.25rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.sidebar-contact i {
    color: #fbbf24;
    width: 16px;
}

/* Mobile Menu Toggle Enhancement */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.mobile-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        display: none;
    }
    
    .sidebar {
        width: 280px;
        left: -280px;
    }
    
    .sidebar-header {
        padding: 1.5rem 1rem;
    }
    
    .sidebar-logo {
        height: 40px;
    }
    
    .sidebar-title {
        font-size: 1.1rem;
    }
    
    .sidebar-nav-link {
        padding: 0.875rem 1rem;
        font-size: 0.95rem;
    }
    
    .sidebar-actions {
        padding: 1rem;
    }
    
    .sidebar-register-btn,
    .sidebar-cart-btn {
        padding: 0.875rem 1rem;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .sidebar {
        width: 260px;
        left: -260px;
    }
    
    .sidebar-header {
        padding: 1rem;
    }
    
    .sidebar-logo {
        height: 35px;
    }
    
    .sidebar-title {
        font-size: 1rem;
    }
    
    .sidebar-nav-link {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .sidebar-nav-link i {
        font-size: 1rem;
    }
    
    .sidebar-actions {
        padding: 0.75rem;
    }
    
    .sidebar-register-btn,
    .sidebar-cart-btn {
        padding: 0.75rem;
        font-size: 0.9rem;
    }
    
    .sidebar-social-link {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
    
    .sidebar-contact {
        font-size: 0.8rem;
    }
}

/* Animation for sidebar items */
.sidebar.active .sidebar-nav-item {
    animation: slideInLeft 0.4s ease forwards;
}

.sidebar.active .sidebar-nav-item:nth-child(1) { animation-delay: 0.1s; }
.sidebar.active .sidebar-nav-item:nth-child(2) { animation-delay: 0.15s; }
.sidebar.active .sidebar-nav-item:nth-child(3) { animation-delay: 0.2s; }
.sidebar.active .sidebar-nav-item:nth-child(4) { animation-delay: 0.25s; }

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.sidebar.active .sidebar-actions {
    animation: fadeInUp 0.5s ease 0.3s forwards;
    opacity: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scrollbar customization for sidebar */
.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

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

.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* Prevent body scroll when sidebar is open */
body.sidebar-open {
    overflow: hidden;
}

/* Focus styles for accessibility */
.sidebar-nav-link:focus,
.sidebar-register-btn:focus,
.sidebar-cart-btn:focus,
.sidebar-close:focus {
    outline: 2px solid #fbbf24;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .sidebar {
        border-right: 2px solid white;
    }
    
    .sidebar-nav-link:hover,
    .sidebar-nav-link.active {
        background: rgba(255, 255, 255, 0.3);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .sidebar,
    .sidebar-overlay,
    .sidebar-nav-link,
    .mobile-menu-toggle span {
        transition: none;
    }
    
    .sidebar.active .sidebar-nav-item,
    .sidebar.active .sidebar-actions {
        animation: none;
    }
}.register-btn a {
    color: white;
    text-decoration: none;
}

.register-btn a:hover {
    color: white;
}