:root {
    --neon-cyan: #22d3ee;
    --neon-blue: #0ea5e9;
    --dark-bg: #030712;
    --glass-border: rgba(34, 211, 238, 0.2);
    --glass-bg: rgba(15, 23, 42, 0.65);
}

* {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
}

body {
    background-color: var(--dark-bg);
    color: #f1f5f9;
    font-family: 'Space Grotesk', sans-serif;
    overflow: hidden; 
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
}

.tech-grid {
    background-image: 
        linear-gradient(rgba(34, 211, 238, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34, 211, 238, 0.04) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(circle at center, black, transparent 80%);
    -webkit-mask-image: radial-gradient(circle at center, black, transparent 80%);
    position: fixed; inset: 0; z-index: -1;
}

.ambient-glow {
    position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 70vw; height: 70vw;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.08) 0%, transparent 60%);
    z-index: -1; pointer-events: none;
}

.scan-line {
    position: fixed; top: 0; left: 0; width: 100%; height: 2px;
    background: var(--neon-cyan);
    box-shadow: 0 0 15px var(--neon-cyan), 0 0 5px white;
    opacity: 0.15; z-index: 50; 
    animation: scan 4s linear infinite;
    pointer-events: none;
}

@keyframes scan { 
    0% { transform: translateY(-100vh); } 
    100% { transform: translateY(100vh); } 
}

.mono { font-family: 'Roboto Mono', monospace; }

.school-glow { 
    text-shadow: 0 0 15px rgba(34, 211, 238, 0.8); 
}

.loader-container {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ring {
    position: absolute;
    border-radius: 50%;
    border: 2px solid transparent;
    will-change: transform;
}

.ring-1 {
    width: 100%;
    height: 100%;
    border-top-color: var(--neon-cyan);
    border-bottom-color: var(--neon-cyan);
    animation: spin 2s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
    box-shadow: 0 0 15px rgba(34, 211, 238, 0.2);
}

.ring-2 {
    width: 75%;
    height: 75%;
    border-left-color: var(--neon-blue);
    border-right-color: var(--neon-blue);
    animation: spinReverse 1.5s linear infinite;
    opacity: 0.8;
}

.ring-3 {
    width: 50%;
    height: 50%;
    border-top-color: white;
    border-bottom-color: rgba(34, 211, 238, 0.5);
    border-style: dashed;
    animation: spin 3s linear infinite;
}

.core {
    width: 20%;
    height: 20%;
    background: var(--neon-cyan);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--neon-cyan), 0 0 40px var(--neon-cyan);
    animation: pulse 1s ease-in-out infinite alternate;
}

@keyframes spin { 
    100% { transform: rotate(360deg); } 
}

@keyframes spinReverse { 
    100% { transform: rotate(-360deg); } 
}

@keyframes pulse { 
    0% { transform: scale(0.8); opacity: 0.7; } 
    100% { transform: scale(1.2); opacity: 1; } 
}

.progress-track {
    width: 100%;
    max-width: 300px;
    height: 4px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(34, 211, 238, 0.2);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
    margin-top: 2rem;
}

.progress-fill {
    height: 100%;
    background: var(--neon-cyan);
    width: 0%;
    box-shadow: 0 0 10px var(--neon-cyan);
    transition: width 2s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
    opacity: 0; 
    transform: translate3d(0, 20px, 0);
}

@keyframes fadeInUp { 
    to { 
        opacity: 1; 
        transform: translate3d(0, 0, 0); 
    } 
}