:root {
    --primary: #7f00ff;
    --electric-blue: #00F0FF;
    --background-dark: #0a060e;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

body {
    background-color: var(--background-dark);
    color: white;
    font-family: 'Plus Jakarta Sans', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Mesh Gradient Background */
.mesh-gradient {
    background-image:
        radial-gradient(at 0% 0%, rgba(127, 0, 255, 0.2) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(0, 240, 255, 0.15) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(127, 0, 255, 0.05) 0px, transparent 40%);
    background-attachment: fixed;
}

/* Premium Glassmorphism */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
}

.glass-nav {
    background: rgba(10, 6, 14, 0.8);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-right: 1px solid var(--glass-border);
}

/* Sidebar Styling */
.sidebar-item {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.sidebar-item.active {
    color: var(--electric-blue);
    background: rgba(0, 240, 255, 0.05);
}

.sidebar-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 20%;
    height: 60%;
    width: 4px;
    background: var(--electric-blue);
    border-radius: 0 4px 4px 0;
    box-shadow: 0 0 15px var(--electric-blue);
}

/* Neon Glows */
.neon-text {
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

.neon-border:focus {
    border-color: var(--electric-blue);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Bottom Nav for Mobile */
.mobile-nav {
    background: rgba(10, 6, 14, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
}

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

.animate-fade-in {
    animation: fadeInSlide 0.5s ease forwards;
}

/* Dashboard Grid Layout */
.dashboard-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr;
}

@media (min-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1.5fr 1fr;
    }
}

/* Premium Gradients & Glows */
.neon-dusk-gradient {
    background: linear-gradient(135deg, #7f00ff 0%, #00F0FF 100%);
}

.neon-glow {
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.neon-glow-primary {
    box-shadow: 0 0 20px rgba(127, 0, 255, 0.3);
}

.btn-premium {
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-premium:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
    box-shadow: 0 10px 25px -5px rgba(0, 240, 255, 0.4);
}

.btn-premium:active {
    transform: translateY(1px);
}

/* Plan Card Hover */
.glass-panel {
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.glass-panel:hover {
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.4);
}