/* === Neon Glow Effects === */

/* Neon text glow */
.neon-text {
    text-shadow:
        0 0 7px var(--neon-cyan),
        0 0 10px var(--neon-cyan),
        0 0 21px var(--neon-cyan),
        0 0 42px var(--neon-cyan);
}
.neon-text-pink {
    text-shadow:
        0 0 7px var(--neon-pink),
        0 0 10px var(--neon-pink),
        0 0 21px var(--neon-pink),
        0 0 42px var(--neon-pink);
}

/* Neon border glow */
.neon-border {
    box-shadow:
        0 0 5px var(--neon-cyan),
        0 0 10px var(--neon-cyan),
        inset 0 0 5px var(--neon-cyan);
}
.neon-border-pink {
    box-shadow:
        0 0 5px var(--neon-pink),
        0 0 10px var(--neon-pink),
        inset 0 0 5px var(--neon-pink);
}

/* Pulsing animation */
@keyframes neonPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}
.neon-pulse { animation: neonPulse 2s ease-in-out infinite; }

/* Flicker animation */
@keyframes flicker {
    0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% { opacity: 1; }
    20%, 24%, 55% { opacity: 0.6; }
}
.neon-flicker { animation: flicker 3s linear infinite; }

/* Scanline effect */
.scanlines::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.03) 2px,
        rgba(0, 0, 0, 0.03) 4px
    );
    pointer-events: none;
    z-index: 1;
}

/* CRT screen effect */
.crt-effect {
    position: relative;
    overflow: hidden;
}
.crt-effect::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background:
        radial-gradient(ellipse at center, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
    pointer-events: none;
    z-index: 2;
}

/* Gradient border */
.gradient-border {
    position: relative;
}
.gradient-border::before {
    content: '';
    position: absolute;
    top: -2px; left: -2px; right: -2px; bottom: -2px;
    background: linear-gradient(135deg, var(--neon-pink), var(--neon-cyan), var(--neon-green), var(--neon-pink));
    border-radius: inherit;
    z-index: -1;
    background-size: 400% 400%;
    animation: gradientShift 3s ease infinite;
}
@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Floating animation */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}
.float { animation: float 3s ease-in-out infinite; }

/* Glow hover */
.glow-hover {
    transition: var(--transition);
}
.glow-hover:hover {
    box-shadow:
        0 0 10px rgba(0, 255, 255, 0.3),
        0 0 20px rgba(0, 255, 255, 0.2),
        0 0 40px rgba(0, 255, 255, 0.1);
}

/* Neon button */
.neon-btn {
    padding: 12px 28px;
    background: transparent;
    border: 2px solid var(--neon-cyan);
    border-radius: 30px;
    color: var(--neon-cyan);
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}
.neon-btn:hover {
    background: var(--neon-cyan);
    color: var(--bg-primary);
    box-shadow:
        0 0 10px var(--neon-cyan),
        0 0 20px var(--neon-cyan),
        0 0 40px var(--neon-cyan);
}

.neon-btn-pink {
    border-color: var(--neon-pink);
    color: var(--neon-pink);
}
.neon-btn-pink:hover {
    background: var(--neon-pink);
    color: #fff;
    box-shadow:
        0 0 10px var(--neon-pink),
        0 0 20px var(--neon-pink),
        0 0 40px var(--neon-pink);
}

/* Grid background pattern */
.grid-bg {
    background-image:
        linear-gradient(rgba(0, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* Synthwave sunset gradient */
.synthwave-bg {
    background: linear-gradient(
        180deg,
        #0a0a2e 0%,
        #1a0a3e 30%,
        #3a0a4e 50%,
        #ff0066 80%,
        #ff6600 100%
    );
}

/* Glitch effect */
@keyframes glitch {
    0% { transform: translate(0); }
    20% { transform: translate(-2px, 2px); }
    40% { transform: translate(-2px, -2px); }
    60% { transform: translate(2px, 2px); }
    80% { transform: translate(2px, -2px); }
    100% { transform: translate(0); }
}
.glitch:hover { animation: glitch 0.3s ease infinite; }

/* Loading spinner */
@keyframes spin { to { transform: rotate(360deg); } }
.loading {
    width: 40px; height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--neon-cyan);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Fade in */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeIn 0.5s ease forwards; }

/* Slide in from left */
@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Particle stars background */
.stars {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}
.stars::before, .stars::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image:
        radial-gradient(2px 2px at 20px 30px, rgba(255,255,255,0.3), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.2), transparent),
        radial-gradient(2px 2px at 50px 160px, rgba(255,255,255,0.3), transparent),
        radial-gradient(2px 2px at 90px 40px, rgba(255,255,255,0.4), transparent),
        radial-gradient(2px 2px at 130px 80px, rgba(255,255,255,0.2), transparent),
        radial-gradient(2px 2px at 160px 120px, rgba(255,255,255,0.3), transparent);
    background-size: 200px 200px;
    animation: stars 50s linear infinite;
}
@keyframes stars {
    from { transform: translateY(0); }
    to { transform: translateY(-200px); }
}

/* Retro card glow */
.retro-glow {
    box-shadow:
        0 0 15px rgba(0, 255, 255, 0.1),
        0 0 30px rgba(0, 255, 255, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.retro-glow:hover {
    box-shadow:
        0 0 20px rgba(0, 255, 255, 0.2),
        0 0 40px rgba(0, 255, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}