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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0a0a1a 0%, #1a1a2e 50%, #0f0f23 100%);
    color: #e0e0e0;
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    padding: 30px 0;
    border-bottom: 2px solid rgba(0, 255, 255, 0.2);
    margin-bottom: 30px;
}

header h1 {
    font-size: 2.5em;
    background: linear-gradient(90deg, #00ffff, #0080ff, #00ffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(0, 255, 255, 0.3);
    animation: glow 3s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.2); }
}

.subtitle {
    font-size: 1.1em;
    color: #00ffff;
    margin-top: 10px;
    opacity: 0.8;
}

main {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.canvas-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}

.canvas-wrapper {
    position: relative;
}

.canvas-wrapper h2 {
    text-align: center;
    color: #00ffff;
    margin-bottom: 15px;
    font-size: 1.2em;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

canvas {
    border: 2px solid rgba(0, 255, 255, 0.3);
    border-radius: 10px;
    background: radial-gradient(circle at center, #0a0a1a 0%, #000 100%);
    box-shadow:
        0 0 20px rgba(0, 255, 255, 0.2),
        inset 0 0 50px rgba(0, 0, 0, 0.5);
    display: block;
}

#hologram2D {
    position: relative;
}

#hologram2D::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 255, 255, 0.03) 2px,
        rgba(0, 255, 255, 0.03) 4px
    );
    pointer-events: none;
    border-radius: 10px;
    animation: scanline 8s linear infinite;
}

@keyframes scanline {
    0% { transform: translateY(0); }
    100% { transform: translateY(500px); }
}

.canvas-label {
    text-align: center;
    margin-top: 10px;
    font-size: 0.9em;
    color: #0080ff;
    font-style: italic;
}

.projection-arrow {
    font-size: 3em;
    color: #00ffff;
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.8);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.1);
    }
}

.info-panel {
    background: rgba(0, 20, 40, 0.6);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 10px;
    padding: 20px;
    margin: 20px 0;
}

.info-panel h3 {
    color: #00ffff;
    margin-bottom: 15px;
    font-size: 1.3em;
}

.info-panel p {
    line-height: 1.6;
    margin-bottom: 12px;
    color: #b0b0b0;
}

.info-panel strong {
    color: #00ffff;
    font-weight: 600;
}

.controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    background: rgba(0, 20, 40, 0.4);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 10px;
    padding: 25px;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.control-group label {
    color: #00ffff;
    font-size: 0.9em;
    font-weight: 500;
}

.control-group select,
.control-group input[type="range"] {
    background: rgba(0, 30, 60, 0.8);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 5px;
    padding: 8px 12px;
    color: #e0e0e0;
    font-size: 0.95em;
    cursor: pointer;
    transition: all 0.3s ease;
}

.control-group select:hover,
.control-group input[type="range"]:hover {
    border-color: rgba(0, 255, 255, 0.6);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.2);
}

.control-group select:focus {
    outline: none;
    border-color: #00ffff;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
}

.control-group input[type="range"] {
    -webkit-appearance: none;
    height: 8px;
    padding: 0;
}

.control-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: linear-gradient(135deg, #00ffff, #0080ff);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.control-group input[type="range"]::-webkit-slider-runnable-track {
    background: rgba(0, 255, 255, 0.2);
    border-radius: 4px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #00ffff;
    cursor: pointer;
}

.btn {
    background: linear-gradient(135deg, #00ffff 0%, #0080ff 100%);
    border: none;
    border-radius: 5px;
    padding: 10px 20px;
    color: #000;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 255, 255, 0.4);
}

.btn.active {
    background: linear-gradient(135deg, #00ff88 0%, #00ffff 100%);
}

.stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    background: rgba(0, 20, 40, 0.4);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 10px;
    padding: 15px;
    margin-top: 20px;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.stat-label {
    color: #0080ff;
    font-size: 0.85em;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat span:last-child {
    color: #00ffff;
    font-size: 1.2em;
    font-weight: 600;
}

footer {
    text-align: center;
    padding: 30px 0;
    border-top: 2px solid rgba(0, 255, 255, 0.2);
    margin-top: 40px;
    color: #808080;
    font-size: 0.9em;
}

footer p {
    margin: 5px 0;
}

/* Holographic effects */
.hologram-glow {
    animation: hologramPulse 2s ease-in-out infinite;
}

@keyframes hologramPulse {
    0%, 100% {
        box-shadow:
            0 0 20px rgba(0, 255, 255, 0.2),
            inset 0 0 50px rgba(0, 0, 0, 0.5);
    }
    50% {
        box-shadow:
            0 0 30px rgba(0, 255, 255, 0.4),
            inset 0 0 30px rgba(0, 255, 255, 0.1);
    }
}

/* Responsive design */
@media (max-width: 1200px) {
    .canvas-container {
        flex-direction: column;
    }

    .projection-arrow {
        transform: rotate(90deg);
    }
}

@media (max-width: 768px) {
    header h1 {
        font-size: 1.8em;
    }

    .controls {
        grid-template-columns: 1fr;
    }

    canvas {
        width: 100%;
        height: auto;
    }
}