body {
        background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #0f0f1a 100%);
        background-attachment: fixed;
        min-height: 100vh;
}
.glass-card {
        background: rgba(30, 30, 50, 0.7);
        backdrop-filter: blur(20px);
        border: 1px solid rgba(255, 255, 255, 0.1);
}
.gradient-border-top {
        position: relative;
}
.gradient-border-top::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: linear-gradient(90deg, #667eea, #764ba2, #10b981, #f59e0b);
}
.nav-link-active {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.btn-gradient {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.btn-gradient:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}
.text-gradient {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
}
.custom-scrollbar::-webkit-scrollbar {
        width: 6px;
}
.custom-scrollbar::-webkit-scrollbar-track {
        background: rgba(255, 255, 255, 0.05);
        border-radius: 3px;
}
.custom-scrollbar::-webkit-scrollbar-thumb {
        background: rgba(102, 126, 234, 0.4);
        border-radius: 3px;
}
.custom-scrollbar::-webkit-scrollbar-thumb:hover {
        background: rgba(102, 126, 234, 0.6);
}