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

body {
    font-family: 'Courier New', monospace;
    background: linear-gradient(135deg, #0a0a0a, #1a1a1a);
    color: #00ff00;
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(0, 255, 0, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(0, 255, 0, 0.2);
}

.title {
    font-size: 2.5rem;
    font-weight: bold;
    text-shadow: 0 0 20px #00ff00;
    letter-spacing: 3px;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1rem;
    opacity: 0.8;
    color: #ffaa00;
}

.main-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 30px;
    margin-bottom: 30px;
}

.display-section {
    position: relative;
    background: #000;
    border-radius: 15px;
    padding: 20px;
    border: 3px solid #333;
    box-shadow: 
        0 0 20px rgba(0, 255, 0, 0.3),
        inset 0 0 20px rgba(0, 255, 0, 0.1);
}

#canvas {
    display: block;
    background: #000;
    border-radius: 8px;
    width: 100%;
    height: auto;
    max-width: 800px;
}

.scanlines {
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    bottom: 20px;
    background: repeating-linear-gradient(
        transparent,
        transparent 2px,
        rgba(0, 255, 0, 0.03) 2px,
        rgba(0, 255, 0, 0.03) 4px
    );
    pointer-events: none;
    border-radius: 8px;
}

.controls-section {
    background: rgba(0, 30, 0, 0.3);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid rgba(0, 255, 0, 0.3);
    backdrop-filter: blur(10px);
}

.control-group {
    margin-bottom: 20px;
}

.control-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

label {
    display: block;
    font-size: 0.9rem;
    font-weight: bold;
    margin-bottom: 8px;
    color: #00ff88;
    text-transform: uppercase;
    letter-spacing: 1px;
}

textarea, select, input[type="range"] {
    width: 100%;
    background: rgba(0, 0, 0, 0.7);
    border: 1px solid rgba(0, 255, 0, 0.5);
    border-radius: 5px;
    color: #00ff00;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

textarea {
    padding: 12px;
    resize: vertical;
    min-height: 80px;
}

select {
    padding: 8px;
}

input[type="range"] {
    height: 30px;
    appearance: none;
    background: rgba(0, 255, 0, 0.2);
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    background: #00ff00;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: #00ff00;
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
}

.char-counter {
    font-size: 0.8rem;
    color: #888;
    margin-top: 5px;
    text-align: right;
}

.button-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 10px;
    margin-bottom: 20px;
}

.btn {
    background: linear-gradient(145deg, rgba(0, 255, 0, 0.1), rgba(0, 255, 0, 0.05));
    border: 1px solid rgba(0, 255, 0, 0.5);
    color: #00ff00;
    padding: 12px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn:hover {
    background: linear-gradient(145deg, rgba(0, 255, 0, 0.2), rgba(0, 255, 0, 0.1));
    box-shadow: 0 0 15px rgba(0, 255, 0, 0.3);
    transform: translateY(-2px);
}

.btn.active {
    background: linear-gradient(145deg, rgba(0, 255, 0, 0.3), rgba(0, 255, 0, 0.2));
    box-shadow: 0 0 20px rgba(0, 255, 0, 0.5);
}

.btn.primary {
    background: linear-gradient(145deg, rgba(255, 170, 0, 0.2), rgba(255, 170, 0, 0.1));
    border-color: rgba(255, 170, 0, 0.7);
    color: #ffaa00;
}

.btn.primary:hover {
    background: linear-gradient(145deg, rgba(255, 170, 0, 0.3), rgba(255, 170, 0, 0.2));
    box-shadow: 0 0 15px rgba(255, 170, 0, 0.4);
}

.presets-section, .export-section {
    margin-bottom: 25px;
}

.presets-section h3, .export-section h3 {
    color: #00ff88;
    margin-bottom: 15px;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.presets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 8px;
}

.preset-btn {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(0, 255, 0, 0.3);
    color: #00ff00;
    padding: 10px 8px;
    border-radius: 5px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.8rem;
    transition: all 0.2s ease;
    text-align: center;
}

.preset-btn:hover {
    background: rgba(0, 255, 0, 0.1);
    border-color: rgba(0, 255, 0, 0.6);
    transform: scale(1.05);
}

.footer {
    text-align: center;
    padding: 20px;
    color: #666;
    font-size: 0.9rem;
}

.footer a {
    color: #00ff88;
    text-decoration: none;
    font-weight: bold;
}

.footer a:hover {
    text-shadow: 0 0 10px #00ff88;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .controls-section {
        order: -1;
    }
    
    .title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .title {
        font-size: 1.5rem;
        letter-spacing: 1px;
    }
    
    .control-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .button-row {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 8px;
    }
    
    .presets-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 6px;
    }
    
    .btn {
        padding: 10px 12px;
        font-size: 0.8rem;
    }
    
    .preset-btn {
        padding: 8px 6px;
        font-size: 0.7rem;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 1.2rem;
    }
    
    .button-row {
        grid-template-columns: 1fr 1fr;
    }
    
    .presets-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Fun glitch effect for special moments */
@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); }
}

.btn:active {
    animation: glitch 0.3s ease-in-out;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.3);
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 255, 0, 0.5);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 255, 0, 0.7);
}