:root {
    --primary: #F27D26;
    --bg-dark: #000000;
    --card-bg: #141414;
    --border: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: #ffffff;
    -webkit-font-smoothing: antialiased;
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

/* 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);
}

/* Animations */
@keyframes scan {
    0% { top: 0; opacity: 0.2; }
    50% { top: calc(100% - 4px); opacity: 1; }
    100% { top: 0; opacity: 0.2; }
}

.animate-scan {
    position: absolute;
    animation: scan 3s ease-in-out infinite;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.animate-shake {
    animation: shake 0.2s ease-in-out 0s 2;
}

@keyframes fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fade-in 0.3s ease-out forwards;
}

/* Fix for Select Options visibility in dark mode */
select option {
    background-color: #141414;
    color: #ffffff;
}

/* Transitions */
.nav-link {
    transition: all 0.2s ease;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: #ffffff;
}

/* Chart Customization */
canvas#attendanceChart {
    filter: drop-shadow(0 0 10px rgba(242, 125, 38, 0.1));
}

/* Mobile Sidebar */
@media (max-width: 768px) {
    #sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out;
    }
    #sidebar.active {
        transform: translateX(0);
    }
}