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

:root {
    --primary-color: #00ff00;
    --primary-dark: #00cc00;
    --secondary-color: #333;
    --background: #0a0a0a;
    --surface: #1a1a1a;
    --surface-light: #2a2a2a;
    --text-color: #00ff00;
    --text-secondary: #88ff88;
    --error-color: #ff5555;
    --success-color: #55ff55;
    --warning-color: #ffaa00;
}

body {
    font-family: 'Courier New', monospace;
    background: var(--background);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 95vw;
    margin: 0 auto;
    padding: 20px;
}

h1 {
    text-align: center;
    margin-bottom: 25px;
    font-size: 2.8em;
    text-shadow: 0 0 15px var(--primary-color);
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    padding: 10px;
}

h1 i {
    margin-right: 15px;
}

/* Controls */
.controls {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 25px;
    padding: 20px;
    background: var(--surface);
    border-radius: 15px;
    border: 2px solid var(--primary-color);
    box-shadow: 0 0 25px rgba(0, 255, 0, 0.15);
}

.control-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
    justify-content: center;
}

.control-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: bold;
    color: var(--text-secondary);
}

/* Buttons */
button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    cursor: pointer;
    border-radius: 8px;
    border: none;
    transition: all 0.3s ease;
    font-size: 1em;
    min-width: 140px;
    justify-content: center;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--background);
}

.btn-secondary {
    background: var(--secondary-color);
    color: var(--text-color);
    border: 1px solid var(--primary-color);
}

.btn-success {
    background: var(--surface-light);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

button:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 7px 20px rgba(0, 255, 0, 0.3);
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--surface-light);
}

.btn-success:hover:not(:disabled) {
    background: var(--success-color);
    color: var(--background);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

button i {
    font-size: 1.1em;
}

select {
    background: var(--surface-light);
    color: var(--text-color);
    border: 1px solid var(--primary-color);
    padding: 10px 15px;
    font-family: 'Courier New', monospace;
    border-radius: 8px;
    min-width: 180px;
    font-size: 1em;
    cursor: pointer;
}

select:hover {
    border-color: var(--primary-dark);
}

/* Camera Container */
.camera-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-bottom: 30px;
    min-height: 65vh;
}

@media (max-width: 1200px) {
    .camera-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.video-wrapper, .ascii-wrapper {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.video-label, .ascii-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1.3em;
    font-weight: bold;
    padding: 12px;
    background: var(--surface);
    border-radius: 10px;
    border: 2px solid var(--primary-color);
}

.video-label i, .ascii-label i {
    color: var(--primary-color);
}

video {
    width: 100%;
    height: auto;
    max-height: 65vh;
    border: 3px solid var(--primary-color);
    border-radius: 15px;
    background: #000;
    box-shadow: 0 0 30px rgba(0, 255, 0, 0.25);
    object-fit: contain;
}

/* ASCII Display - FIXED ASPECT RATIO */
.ascii-container {
    width: 100%;
    height: 65vh;
    background: #000;
    border: 3px solid var(--primary-color);
    border-radius: 15px;
    overflow: auto;
    box-shadow: 0 0 30px rgba(0, 255, 0, 0.25);
    display: flex;
    justify-content: center;
    align-items: center;
}

.ascii-display {
    font-family: 'Courier New', monospace;
    font-size: 10px; /* Default, will be adjusted by JS */
    line-height: 1;
    letter-spacing: 0.5px; /* Helps with character spacing */
    white-space: pre;
    margin: 0;
    padding: 20px;
    color: var(--text-color);
    text-align: center;
    display: inline-block;
    max-width: 100%;
    max-height: 100%;
    overflow: visible;
}

.ascii-display.aspect-corrected {
    font-size: 8px; /* Smaller font for better aspect ratio */
    line-height: 0.85; /* Compensate for character height */
    letter-spacing: 0.3px;
}

/* Info Panel */
.info-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-top: 25px;
    padding: 20px;
    background: var(--surface);
    border-radius: 15px;
    border: 2px solid var(--primary-color);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: var(--surface-light);
    border-radius: 10px;
    border: 1px solid var(--secondary-color);
}

.info-item i {
    font-size: 1.5em;
    color: var(--primary-color);
    width: 30px;
}

.info-item span:first-of-type {
    font-weight: bold;
    color: var(--text-secondary);
}

.info-item span:last-of-type {
    margin-left: auto;
    font-weight: bold;
}

.status-indicator {
    color: var(--error-color);
}

.status-indicator.active {
    color: var(--success-color);
    animation: pulse 2s infinite;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal-content {
    background: var(--surface);
    border-radius: 20px;
    border: 3px solid var(--primary-color);
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 0 50px rgba(0, 255, 0, 0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    border-bottom: 2px solid var(--primary-color);
    background: var(--surface-light);
    border-radius: 20px 20px 0 0;
}

.modal-header h3 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.close-btn {
    background: transparent;
    color: var(--text-color);
    font-size: 2em;
    width: 40px;
    height: 40px;
    min-width: auto;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.close-btn:hover {
    background: var(--error-color);
    color: white;
}

.modal-body {
    padding: 30px;
    overflow: auto;
    flex: 1;
    display: flex;
    justify-content: center;
}

.captured-ascii {
    font-family: 'Courier New', monospace;
    font-size: 6px;
    line-height: 0.9;
    letter-spacing: 0.3px;
    white-space: pre;
    color: var(--text-color);
    background: #000;
    padding: 20px;
    border-radius: 10px;
    border: 2px solid var(--primary-color);
    max-width: 100%;
    overflow: auto;
}

.modal-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    padding: 20px 30px;
    border-top: 2px solid var(--primary-color);
    background: var(--surface-light);
    border-radius: 0 0 20px 20px;
    justify-content: center;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--surface);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Animations */
@keyframes pulse {
    0% { opacity: 0.7; }
    50% { opacity: 1; }
    100% { opacity: 0.7; }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-content {
    animation: fadeIn 0.3s ease;
}

/* Mobile */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    h1 {
        font-size: 2em;
    }
    
    .controls {
        padding: 15px;
    }
    
    .control-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    select, button {
        width: 100%;
    }
    
    .camera-container {
        min-height: 50vh;
    }
    
    .ascii-container {
        height: 50vh;
    }
    
    .ascii-display {
        font-size: 5px;
        padding: 10px;
    }
    
    .info-panel {
        grid-template-columns: 1fr;
    }
    
    .modal-footer {
        flex-direction: column;
    }
    
    .modal-footer button {
        width: 100%;
    }
}

/* Print Styles */
@media print {
    body * {
        visibility: hidden;
    }
    
    .modal,
    .modal * {
        visibility: visible;
    }
    
    .modal {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        height: auto;
        background: white;
        color: black;
    }
    
    .modal-content {
        box-shadow: none;
        border: 1px solid #000;
        max-width: 100%;
    }
    
    .modal-header,
    .modal-footer {
        display: none;
    }
    
    .captured-ascii {
        color: black;
        background: white;
        border: 1px solid #000;
        font-size: 4px;
    }
}

.control-group select {
    min-width: 160px;
}

@media (max-width: 768px) {
    .control-group select {
        min-width: 100%;
    }
}