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

html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.5;
    padding: 2rem;
    transition: background-color var(--dur) var(--ease);
}

@media (max-width: 768px) {
    body {
        padding: 1rem;
    }
}

/* Global Grain Overlay */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    filter: url(#grainy);
    opacity: 0.04;
}

#app {
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

.neumorphic-flat {
    background: linear-gradient(145deg, var(--surface), var(--surface-3));
    box-shadow: 12px 12px 24px var(--shadow-dark), 
                -8px -8px 16px var(--shadow-light);
    border: 1px solid rgba(255,255,255,0.02);
    border-radius: var(--radius);
}

.neumorphic-inset {
    background: var(--surface);
    box-shadow: inset 8px 8px 16px var(--shadow-dark), 
                inset -4px -4px 8px var(--shadow-light);
    border-radius: var(--radius);
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
}

/* Cyber Utilities */
.cyber-scanline {
    position: relative;
    overflow: hidden;
}

.cyber-scanline::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        transparent 50%,
        rgba(0, 255, 204, 0.02) 50%
    );
    background-size: 100% 4px;
    pointer-events: none;
    z-index: 2;
}

@keyframes glitch {
    0% { clip-path: inset(20% 0 30% 0); transform: translate(-2px, 2px); }
    20% { clip-path: inset(60% 0 10% 0); transform: translate(2px, -2px); }
    40% { clip-path: inset(40% 0 50% 0); transform: translate(-2px, 2px); }
    60% { clip-path: inset(80% 0 5% 0); transform: translate(2px, -2px); }
    80% { clip-path: inset(10% 0 70% 0); transform: translate(-2px, 2px); }
    100% { clip-path: inset(20% 0 30% 0); transform: translate(-2px, 2px); }
}

.cyber-glitch:hover {
    animation: glitch 0.3s infinite linear alternate-reverse;
    text-shadow: 2px 0 var(--secondary), -2px 0 var(--primary);
}

code {
    font-family: var(--font-mono);
    background-color: var(--surface-2);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
}

/* --- Custom Technical Cursor --- */
@media (pointer: fine) {
    * { cursor: none !important; }
    
    #custom-cursor {
        position: fixed;
        width: 20px;
        height: 20px;
        border: 1px solid var(--primary);
        border-radius: 50%;
        pointer-events: none;
        z-index: 10000;
        transform: translate(-50%, -50%);
        transition: transform 0.1s var(--ease), width 0.3s var(--ease), height 0.3s var(--ease), background 0.3s var(--ease);
        mix-blend-mode: difference;
    }

    #custom-cursor::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 4px;
        height: 4px;
        background: var(--primary);
        border-radius: 50%;
        transform: translate(-50%, -50%);
    }

    body.cursor-hover #custom-cursor {
        transform: translate(-50%, -50%) scale(2.5);
        background: rgba(0, 255, 204, 0.1);
        border-width: 2px;
    }
}

/* --- System Reboot (Theme Transition) --- */
.rebooting {
    animation: system-reboot 0.4s steps(4) forwards;
}

@keyframes system-reboot {
    0% { filter: brightness(1) contrast(1); }
    25% { filter: brightness(3) contrast(1.5) grayscale(1); transform: skewX(10deg); }
    50% { filter: brightness(0.2) contrast(3) hue-rotate(180deg); transform: skewX(-10deg); }
    75% { filter: brightness(1.5) contrast(0.5); transform: scaleY(0.9); }
    100% { filter: brightness(1) contrast(1); }
}

/* --- Print Protocol --- */
@media print {
    * { 
        background: transparent !important; 
        color: #000 !important; 
        box-shadow: none !important; 
        text-shadow: none !important;
        filter: none !important;
    }
    
    body { padding: 0; background: #fff; }
    #custom-cursor, .themeToggle, .menuBtn, .stage, particle-graph { display: none !important; }
    
    header { position: static; border-bottom: 2px solid #000; }
    .neumorphic-flat, .neumorphic-inset, ui-card { 
        border: 1px solid #ddd !important;
        border-radius: 0 !important;
    }
    
/* --- Reveal Protocol --- */
.reveal-hidden {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
    will-change: opacity, transform;
}

.reveal-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered entry for children of revealed sections */
.reveal-visible ui-card {
    animation: reveal-box 0.8s var(--ease) both;
}

@keyframes reveal-box {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.98);
        filter: brightness(2);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: brightness(1);
    }
}

@media (prefers-reduced-motion: reduce) {
    .reveal-hidden {
        transition: none;
        opacity: 1;
        transform: none;
    }
}