@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;700&family=Roboto:wght@300;400;700&display=swap');

:root {
    --neon-pink: #ff00ff;
    --neon-blue: #00f7ff;
    --neon-purple: #bc13fe;
    --neon-green: #0fff50;
    --dark-bg: #0a0a20;
    --darker-bg: #060614;
    --panel-bg: rgba(20, 20, 40, 0.8);
    --glow-shadow: 0 0 10px rgba(0, 247, 255, 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--dark-bg);
    color: white;
    min-height: 100vh;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 247, 255, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(255, 0, 255, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 50% 50%, rgba(188, 19, 254, 0.05) 0%, transparent 30%);
}

.container {
    display: flex;
    width: 100%;
    height: 100vh;
}

/* Sidebar Styles */
.sidebar {
    width: 250px;
    background-color: var(--darker-bg);
    padding: 20px 0;
    border-right: 1px solid var(--neon-blue);
    box-shadow: 5px 0 15px rgba(0, 247, 255, 0.1);
    overflow-y: auto;
    z-index: 10;
}

.logo {
    text-align: center;
    margin-bottom: 30px;
    padding: 0 15px;
}

.logo h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.8rem;
    text-transform: uppercase;
    color: var(--neon-blue);
    letter-spacing: 2px;
    text-shadow: 0 0 5px var(--neon-blue);
}

.logo span {
    color: var(--neon-pink);
    text-shadow: 0 0 5px var(--neon-pink);
}

.menu-title {
    padding: 10px 20px;
    margin-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.menu-title h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2rem;
    color: var(--neon-purple);
    text-shadow: 0 0 3px var(--neon-purple);
}

.student-list {
    padding: 0 10px;
}

.student-item {
    padding: 12px 15px;
    margin: 8px 0;
    border-radius: 5px;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    background-color: rgba(30, 30, 60, 0.4);
}

.student-item:hover {
    background-color: rgba(40, 40, 80, 0.6);
    box-shadow: 0 0 10px rgba(188, 19, 254, 0.3);
}

.student-item.active {
    background-color: rgba(50, 50, 100, 0.7);
    box-shadow: 0 0 15px rgba(255, 0, 255, 0.4);
    border-left: 3px solid var(--neon-pink);
}

.student-item::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-blue), transparent);
    transition: left 0.8s ease;
}

.student-item:hover::before {
    left: 100%;
}

/* Main Content Styles */
.main-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.8rem;
    color: white;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.controls button {
    font-family: 'Orbitron', sans-serif;
    padding: 8px 15px;
    margin-left: 10px;
    border: none;
    border-radius: 5px;
    background-color: var(--panel-bg);
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid var(--neon-blue);
    text-shadow: 0 0 5px rgba(0, 247, 255, 0.5);
}

.controls button:hover {
    background-color: rgba(0, 247, 255, 0.2);
    box-shadow: 0 0 15px rgba(0, 247, 255, 0.5);
}

/* Charts Container */
.charts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.chart-box {
    background-color: var(--panel-bg);
    border-radius: 8px;
    padding: 15px;
    box-shadow: var(--glow-shadow);
    border: 1px solid rgba(0, 247, 255, 0.2);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.chart-box::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-pink), var(--neon-purple));
}

.chart-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 247, 255, 0.3);
}

.chart-box h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1rem;
    margin-bottom: 15px;
    color: var(--neon-green);
    text-shadow: 0 0 5px rgba(15, 255, 80, 0.5);
}

canvas {
    width: 100% !important;
    height: 250px !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        max-height: 300px;
        border-right: none;
        border-bottom: 1px solid var(--neon-blue);
    }
    
    .charts-container {
        grid-template-columns: 1fr;
    }
}