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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow: hidden;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    color: white;
}

/* UI Overlay */
#ui-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* Company Information Panel */
#company-info {
    position: absolute;
    top: 30px;
    left: 30px;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 25px;
    max-width: 400px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transform: translateY(0);
    transition: all 0.3s ease;
    pointer-events: auto;
}

#company-info:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.2);
}

#company-name {
    font-size: 24px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 10px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    background: linear-gradient(45deg, #ffffff, #e0e0e0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

#company-value {
    font-size: 20px;
    font-weight: 600;
    color: #00ff88;
    margin-bottom: 15px;
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
}

#company-description {
    font-size: 14px;
    line-height: 1.6;
    color: #cccccc;
    margin-bottom: 15px;
    text-align: justify;
}

#company-position {
    font-size: 12px;
    color: #888888;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 10px;
}

/* Controls */
#controls {
    position: absolute;
    bottom: 40px;
    right: 40px;
    display: flex;
    gap: 15px;
    pointer-events: auto;
}

#controls button {
    background: linear-gradient(145deg, #1e3c72, #2a5298);
    border: none;
    color: white;
    padding: 15px 25px;
    border-radius: 50px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(42, 82, 152, 0.4);
    position: relative;
    overflow: hidden;
}

#controls button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

#controls button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(42, 82, 152, 0.6);
    background: linear-gradient(145deg, #2a5298, #1e3c72);
}

#controls button:hover::before {
    left: 100%;
}

#controls button:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(42, 82, 152, 0.4);
}

#prev-btn {
    background: linear-gradient(145deg, #ff6b6b, #ee5a52);
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
}

#prev-btn:hover {
    background: linear-gradient(145deg, #ee5a52, #ff6b6b);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.6);
}

#next-btn {
    background: linear-gradient(145deg, #4ecdc4, #44a08d);
    box-shadow: 0 4px 15px rgba(78, 205, 196, 0.4);
}

#next-btn:hover {
    background: linear-gradient(145deg, #44a08d, #4ecdc4);
    box-shadow: 0 8px 25px rgba(78, 205, 196, 0.6);
}

/* Instructions */
#instructions {
    position: absolute;
    bottom: 40px;
    left: 40px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    border-radius: 10px;
    padding: 15px 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    pointer-events: auto;
}

#instructions p {
    font-size: 12px;
    color: #aaaaaa;
    margin-bottom: 5px;
    letter-spacing: 0.5px;
}

#instructions p:last-child {
    margin-bottom: 0;
    color: #888888;
}

/* Loading Animation */
.loading {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2000;
    color: white;
    font-size: 18px;
}

.loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    #company-info {
        top: 20px;
        left: 20px;
        right: 20px;
        max-width: none;
        padding: 20px;
    }
    
    #company-name {
        font-size: 20px;
    }
    
    #company-value {
        font-size: 18px;
    }
    
    #company-description {
        font-size: 13px;
    }
    
    #controls {
        bottom: 20px;
        right: 20px;
        gap: 10px;
    }
    
    #controls button {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    #instructions {
        bottom: 20px;
        left: 20px;
        padding: 12px 15px;
    }
    
    #instructions p {
        font-size: 11px;
    }
}

@media (max-width: 480px) {
    #company-info {
        padding: 15px;
    }
    
    #company-name {
        font-size: 18px;
    }
    
    #company-value {
        font-size: 16px;
    }
    
    #company-description {
        font-size: 12px;
    }
    
    #controls {
        flex-direction: column;
        gap: 8px;
    }
    
    #controls button {
        padding: 10px 18px;
        font-size: 13px;
    }
}

/* VR/AR specific styles */
@media (display-mode: fullscreen) {
    #ui-overlay {
        display: none;
    }
}

/* Performance optimizations */
.gpu-accelerated {
    transform: translateZ(0);
    will-change: transform, opacity;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    #company-info {
        background: rgba(0, 0, 0, 0.95);
        border: 2px solid white;
    }
    
    #controls button {
        border: 2px solid white;
    }
}

/* Focus indicators for accessibility */
button:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: 2px;
}

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

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}