/* Frankenstein Laboratory Theme */

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

body {
    background-color: #0a0a0a;
    color: #00ff41;
    font-family: 'Courier New', 'Consolas', monospace;
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px;
    border: 2px solid #00ff41;
    border-radius: 5px;
    background: rgba(0, 255, 65, 0.05);
}

h1 {
    font-size: 2rem;
    text-shadow: 0 0 10px #00ff41, 0 0 20px #00ff41;
    margin-bottom: 10px;
}

.subtitle {
    color: #33ff77;
    font-size: 0.9rem;
}

h2 {
    color: #00ff41;
    margin-bottom: 15px;
    font-size: 1.2rem;
    text-shadow: 0 0 5px #00ff41;
}

/* Sections */
section {
    margin-bottom: 30px;
    padding: 20px;
    border: 1px solid #00ff41;
    border-radius: 5px;
    background: rgba(0, 255, 65, 0.02);
}

/* Dataset Selector */
.dataset-selector {
    margin-bottom: 25px;
    padding: 20px;
    background: rgba(0, 255, 65, 0.03);
    border: 1px solid rgba(0, 255, 65, 0.3);
    border-radius: 5px;
}

.dataset-selector h3 {
    color: #00ff41;
    font-size: 1rem;
    margin-bottom: 15px;
    text-shadow: 0 0 5px #00ff41;
}

.selector-controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 15px;
    align-items: stretch;
}

.selector-controls .action-button {
    flex-shrink: 0;
    white-space: nowrap;
}

.dataset-dropdown {
    flex: 1;
    min-width: 200px;
    background: #000;
    border: 1px solid #00ff41;
    color: #00ff41;
    padding: 12px;
    font-family: 'Courier New', 'Consolas', monospace;
    font-size: 0.95rem;
    border-radius: 3px;
    cursor: pointer;
    appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg fill="%2300ff41" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 20px;
    padding-right: 35px;
    transition: all 0.3s;
}

.dataset-dropdown:hover {
    border-color: #33ff77;
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}

.dataset-dropdown:focus {
    outline: none;
    box-shadow: 0 0 15px #00ff41;
    border-color: #33ff77;
}

.dataset-dropdown option {
    background: #0a0a0a;
    color: #00ff41;
    padding: 10px;
}

.dataset-info {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(0, 255, 65, 0.5);
    border-left: 3px solid #00ff41;
    padding: 15px;
    border-radius: 3px;
    animation: slideDown 0.3s ease-out;
}

.dataset-info h4 {
    color: #00ff41;
    font-size: 1rem;
    margin-bottom: 8px;
}

.dataset-info p {
    color: #33ff77;
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.dataset-info .info-row {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.dataset-info .info-item {
    color: #33ff77;
    font-size: 0.85rem;
}

.dataset-info .info-item strong {
    color: #00ff41;
}

.data-source-divider {
    text-align: center;
    margin: 20px 0;
    position: relative;
}

.data-source-divider::before,
.data-source-divider::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: rgba(0, 255, 65, 0.3);
}

.data-source-divider::before {
    left: 0;
}

.data-source-divider::after {
    right: 0;
}

.data-source-divider span {
    color: #666;
    font-size: 0.9rem;
    padding: 0 15px;
    background: rgba(0, 255, 65, 0.02);
}

.csv-upload h3 {
    color: #00ff41;
    font-size: 1rem;
    margin-bottom: 15px;
    text-shadow: 0 0 5px #00ff41;
}

/* Upload Area */
.upload-area {
    border: 2px dashed #00ff41;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    border-radius: 5px;
    position: relative;
}

.upload-area:hover {
    background: rgba(0, 255, 65, 0.1);
    border-color: #33ff77;
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.2);
}

.upload-area.drag-over {
    background: rgba(0, 255, 65, 0.15);
    border-color: #33ff77;
    border-style: solid;
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.4);
}

.upload-area input[type="file"] {
    display: none;
}

.file-hint {
    font-size: 0.8rem;
    color: #33ff77;
    margin-top: 10px;
}

/* Messages */
.message {
    margin-top: 15px;
    padding: 10px;
    border-radius: 3px;
    min-height: 20px;
}

.message.error {
    color: #ff3333;
    border: 1px solid #ff3333;
    background: rgba(255, 51, 51, 0.1);
}

.message.success {
    color: #00ff41;
    border: 1px solid #00ff41;
    background: rgba(0, 255, 65, 0.1);
}

/* Buttons */
.action-button {
    background: #00ff41;
    color: #0a0a0a;
    border: none;
    padding: 15px 30px;
    font-size: 1rem;
    font-family: 'Courier New', 'Consolas', monospace;
    font-weight: bold;
    cursor: pointer;
    border-radius: 5px;
    transition: all 0.3s;
    text-shadow: none;
    box-shadow: 0 0 15px #00ff41, 0 0 30px rgba(0, 255, 65, 0.5);
}

.action-button:hover:not(:disabled) {
    background: #33ff77;
    box-shadow: 0 0 25px #00ff41, 0 0 50px rgba(0, 255, 65, 0.7);
    transform: translateY(-2px);
}

.action-button:disabled {
    background: #333;
    color: #666;
    cursor: not-allowed;
    box-shadow: none;
    opacity: 0.5;
}

.action-button:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 0 10px #00ff41, 0 0 20px rgba(0, 255, 65, 0.5);
}

.secondary-button {
    background: transparent;
    color: #00ff41;
    border: 2px solid #00ff41;
    box-shadow: none;
}

.secondary-button:hover:not(:disabled) {
    background: rgba(0, 255, 65, 0.1);
    border-color: #33ff77;
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.5);
}

/* Network Configuration Controls */
.config-controls {
    background: rgba(0, 255, 65, 0.03);
    border: 1px solid rgba(0, 255, 65, 0.3);
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 5px;
    animation: slideDown 0.3s ease-out;
}

.config-controls h3 {
    color: #00ff41;
    font-size: 1rem;
    margin-bottom: 15px;
    text-shadow: 0 0 5px #00ff41;
}

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

.config-group:last-child {
    margin-bottom: 0;
}

.config-group label {
    display: block;
    color: #33ff77;
    font-size: 0.95rem;
    margin-bottom: 8px;
}

.slider-value {
    color: #00ff41;
    font-weight: bold;
    text-shadow: 0 0 5px #00ff41;
}

.config-select {
    width: 100%;
    background: #000;
    border: 1px solid #00ff41;
    color: #00ff41;
    padding: 12px;
    font-family: 'Courier New', 'Consolas', monospace;
    font-size: 0.95rem;
    border-radius: 3px;
    cursor: pointer;
    appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg fill="%2300ff41" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 20px;
    padding-right: 35px;
    transition: all 0.3s;
}

.config-select:hover {
    border-color: #33ff77;
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}

.config-select:focus {
    outline: none;
    box-shadow: 0 0 15px #00ff41;
    border-color: #33ff77;
}

.config-select option {
    background: #0a0a0a;
    color: #00ff41;
    padding: 10px;
}

.config-slider {
    width: 100%;
    height: 8px;
    background: rgba(0, 255, 65, 0.2);
    border-radius: 5px;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

.config-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: #00ff41;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px #00ff41, 0 0 20px rgba(0, 255, 65, 0.5);
    transition: all 0.3s;
}

.config-slider::-webkit-slider-thumb:hover {
    background: #33ff77;
    box-shadow: 0 0 15px #00ff41, 0 0 30px rgba(0, 255, 65, 0.7);
    transform: scale(1.1);
}

.config-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: #00ff41;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px #00ff41, 0 0 20px rgba(0, 255, 65, 0.5);
    transition: all 0.3s;
}

.config-slider::-moz-range-thumb:hover {
    background: #33ff77;
    box-shadow: 0 0 15px #00ff41, 0 0 30px rgba(0, 255, 65, 0.7);
    transform: scale(1.1);
}

.config-slider::-webkit-slider-runnable-track {
    width: 100%;
    height: 8px;
    background: rgba(0, 255, 65, 0.2);
    border-radius: 5px;
    border: 1px solid rgba(0, 255, 65, 0.3);
}

.config-slider::-moz-range-track {
    width: 100%;
    height: 8px;
    background: rgba(0, 255, 65, 0.2);
    border-radius: 5px;
    border: 1px solid rgba(0, 255, 65, 0.3);
}

.config-slider:focus {
    outline: none;
}

.config-slider:focus::-webkit-slider-runnable-track {
    background: rgba(0, 255, 65, 0.3);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}

.config-slider:focus::-moz-range-track {
    background: rgba(0, 255, 65, 0.3);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}

/* Network Configuration Display */
.network-config {
    background: rgba(0, 255, 65, 0.05);
    border: 1px solid #00ff41;
    padding: 10px 15px;
    margin-bottom: 15px;
    border-radius: 3px;
    font-size: 0.9rem;
    color: #33ff77;
}

.network-config strong {
    color: #00ff41;
}

/* Loss Graph Visualization */
.loss-graph-container {
    background: rgba(0, 255, 65, 0.03);
    border: 1px solid rgba(0, 255, 65, 0.3);
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 5px;
    animation: slideDown 0.3s ease-out, fadeIn 0.5s ease-out;
}

.loss-graph-container h3 {
    color: #00ff41;
    font-size: 1rem;
    margin-bottom: 15px;
    text-shadow: 0 0 5px #00ff41;
}

#lossGraphCanvas {
    display: block;
    margin: 0 auto;
    border: 1px solid #00ff41;
    border-radius: 3px;
    background: #1a1a1a;
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.2);
}

.final-loss-display {
    text-align: center;
    margin-top: 15px;
    padding: 10px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(0, 255, 65, 0.5);
    border-radius: 3px;
    color: #33ff77;
    font-size: 0.95rem;
}

.final-loss-display strong {
    color: #00ff41;
    text-shadow: 0 0 5px #00ff41;
}

/* Accuracy Display */
.accuracy-display {
    text-align: center;
    margin-top: 10px;
    padding: 10px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(0, 255, 65, 0.5);
    border-radius: 3px;
    font-size: 0.95rem;
    font-weight: bold;
    text-shadow: 0 0 5px currentColor;
}

/* Weight Heatmap Visualization */
.weight-heatmap-container {
    background: rgba(0, 255, 65, 0.03);
    border: 1px solid rgba(0, 255, 65, 0.3);
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 5px;
    animation: slideDown 0.3s ease-out, fadeIn 0.5s ease-out;
}

.weight-heatmap-container h3 {
    color: #00ff41;
    font-size: 1rem;
    margin-bottom: 15px;
    text-shadow: 0 0 5px #00ff41;
}

.heatmap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
    justify-items: center;
}

.heatmap-item {
    width: 100%;
    max-width: 450px;
}

.heatmap-item canvas {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid #00ff41;
    border-radius: 3px;
    background: #1a1a1a;
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.2);
    cursor: crosshair;
    transition: box-shadow 0.3s;
}

.heatmap-item canvas:hover {
    box-shadow: 0 0 25px rgba(0, 255, 65, 0.4);
}

/* Weight Heatmap Tooltip */
.weight-tooltip {
    position: absolute;
    background: rgba(0, 0, 0, 0.95);
    border: 1px solid #00ff41;
    color: #00ff41;
    padding: 8px 12px;
    border-radius: 3px;
    font-size: 0.85rem;
    pointer-events: none;
    z-index: 1000;
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.5);
    white-space: nowrap;
}

/* Encoding Summary Display */
.encoding-summary {
    background: rgba(0, 255, 65, 0.05);
    border: 1px solid #00ff41;
    border-left: 3px solid #00ff41;
    padding: 15px;
    margin: 15px 0;
    border-radius: 3px;
    font-size: 0.9rem;
}

.encoding-summary h4 {
    color: #00ff41;
    font-size: 1rem;
    margin-bottom: 10px;
    text-shadow: 0 0 5px #00ff41;
}

.encoding-summary .summary-line {
    color: #33ff77;
    margin: 5px 0;
    padding-left: 10px;
}

.encoding-summary .summary-line strong {
    color: #00ff41;
}

.encoding-summary .data-type-numeric {
    color: #00ccff;
}

.encoding-summary .data-type-categorical {
    color: #ffaa00;
}

/* Terminal */
.terminal {
    background: #000;
    border: 1px solid #00ff41;
    padding: 15px;
    min-height: 150px;
    max-height: 300px;
    overflow-y: auto;
    font-size: 0.9rem;
    border-radius: 3px;
    margin-top: 15px;
    position: relative;
}

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

.terminal::-webkit-scrollbar-track {
    background: rgba(0, 255, 65, 0.1);
    border-radius: 4px;
}

.terminal::-webkit-scrollbar-thumb {
    background: #00ff41;
    border-radius: 4px;
}

.terminal::-webkit-scrollbar-thumb:hover {
    background: #33ff77;
}

/* CRT Scanline Effect */
.terminal::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.15),
        rgba(0, 0, 0, 0.15) 1px,
        transparent 1px,
        transparent 2px
    );
    pointer-events: none;
    z-index: 1;
}

.terminal:empty::before {
    content: "Awaiting activation...";
    color: #666;
}

.terminal-line {
    margin-bottom: 5px;
    position: relative;
    z-index: 2;
}

/* Terminal Warning Messages */
.terminal-line.warning {
    color: #ffaa00;
    text-shadow: 0 0 5px #ffaa00;
}

.terminal-line.error {
    color: #ff3333;
    text-shadow: 0 0 5px #ff3333;
}

/* Prediction Inputs */
.input-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.input-group {
    display: flex;
    flex-direction: column;
}

.input-group label {
    margin-bottom: 5px;
    color: #33ff77;
}

.input-group input,
.input-group select {
    background: #000;
    border: 1px solid #00ff41;
    color: #00ff41;
    padding: 10px;
    font-family: 'Courier New', 'Consolas', monospace;
    font-size: 1rem;
    border-radius: 3px;
    transition: all 0.3s;
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    box-shadow: 0 0 10px #00ff41;
    border-color: #33ff77;
}

.input-group select {
    cursor: pointer;
    appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg fill="%2300ff41" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 20px;
    padding-right: 35px;
}

.input-group select:hover {
    border-color: #33ff77;
    box-shadow: 0 0 5px rgba(0, 255, 65, 0.3);
}

.input-group select option {
    background: #0a0a0a;
    color: #00ff41;
    padding: 10px;
}

.input-group select option:hover,
.input-group select option:checked {
    background: rgba(0, 255, 65, 0.2);
}

.encoding-hint {
    color: #666;
    font-size: 0.75rem;
    margin-left: 8px;
    font-style: italic;
}

.input-group .input-type-indicator {
    display: inline-block;
    padding: 2px 6px;
    background: rgba(0, 255, 65, 0.1);
    border: 1px solid rgba(0, 255, 65, 0.3);
    border-radius: 3px;
    font-size: 0.7rem;
    margin-left: 5px;
    color: #33ff77;
}

.input-group .input-type-indicator.numeric {
    border-color: rgba(0, 204, 255, 0.5);
    color: #00ccff;
}

.input-group .input-type-indicator.categorical {
    border-color: rgba(255, 170, 0, 0.5);
    color: #ffaa00;
}

/* Output Display */
.output-display {
    margin-top: 20px;
    padding: 30px;
    background: #000;
    border: 2px solid #00ff41;
    border-radius: 5px;
    text-align: center;
    font-size: 2rem;
    min-height: 80px;
    text-shadow: 0 0 10px #00ff41, 0 0 20px #00ff41;
    font-weight: bold;
}

.output-display:empty::before {
    content: "Awaiting prediction...";
    color: #666;
    font-size: 1rem;
}

.output-display .prediction-value {
    display: block;
    color: #00ff41;
    font-size: 2rem;
    margin-bottom: 10px;
}

.output-display .prediction-details {
    display: block;
    color: #33ff77;
    font-size: 0.9rem;
    font-weight: normal;
    text-shadow: none;
    margin-top: 10px;
}

.output-display .confidence-indicator {
    display: inline-block;
    padding: 5px 10px;
    background: rgba(0, 255, 65, 0.1);
    border: 1px solid #00ff41;
    border-radius: 3px;
    font-size: 0.8rem;
    margin-top: 10px;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    color: #666;
    font-size: 0.8rem;
}

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0, 255, 65, 0.3);
    border-top-color: #00ff41;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 10px;
    vertical-align: middle;
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Loading state for sections */
.section-loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.section-loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 4px solid rgba(0, 255, 65, 0.3);
    border-top-color: #00ff41;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.5);
}

/* Pulsing Animation for Training Status */
.training-active {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 10px #00ff41, 0 0 20px rgba(0, 255, 65, 0.5);
    }
    50% {
        box-shadow: 0 0 20px #00ff41, 0 0 40px rgba(0, 255, 65, 0.8);
    }
}

/* Smooth Transitions */
section {
    transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
}

section.hidden {
    opacity: 0;
    transform: translateY(-10px);
    display: none;
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Focus visible for accessibility */
*:focus-visible {
    outline: 2px solid #00ff41;
    outline-offset: 2px;
}

/* Selection styling */
::selection {
    background: rgba(0, 255, 65, 0.3);
    color: #00ff41;
}

::-moz-selection {
    background: rgba(0, 255, 65, 0.3);
    color: #00ff41;
}

.prediction-section {
    transition: all 0.5s ease-in-out;
}

.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

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

/* Output Display Animation */
.output-display.reveal {
    animation: revealOutput 0.6s ease-out;
}

@keyframes revealOutput {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Terminal Line Animation */
.terminal-line {
    animation: slideIn 0.2s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Instructions Section */
.instructions-section {
    margin-bottom: 30px;
}

.toggle-instructions {
    background: transparent;
    color: #00ff41;
    border: 2px solid #00ff41;
    padding: 12px 20px;
    font-size: 1rem;
    font-family: 'Courier New', 'Consolas', monospace;
    font-weight: bold;
    cursor: pointer;
    border-radius: 5px;
    transition: all 0.3s;
    width: 100%;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 10px;
}

.toggle-instructions:hover {
    background: rgba(0, 255, 65, 0.1);
    border-color: #33ff77;
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.3);
}

.toggle-icon {
    display: inline-block;
    transition: transform 0.3s;
    font-size: 0.8rem;
}

.toggle-icon.rotated {
    transform: rotate(-90deg);
}

.instructions-content {
    margin-top: 20px;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        max-height: 5000px;
        transform: translateY(0);
    }
}

.instruction-block {
    margin-bottom: 25px;
    padding: 20px;
    background: rgba(0, 255, 65, 0.03);
    border: 1px solid rgba(0, 255, 65, 0.3);
    border-radius: 5px;
}

.instruction-block h3 {
    color: #00ff41;
    font-size: 1.1rem;
    margin-bottom: 15px;
    text-shadow: 0 0 5px #00ff41;
}

.instruction-block h4 {
    color: #33ff77;
    font-size: 1rem;
    margin-bottom: 10px;
    margin-top: 15px;
}

.instruction-text {
    color: #33ff77;
    font-size: 0.95rem;
    line-height: 1.8;
}

.instruction-text p {
    margin-bottom: 12px;
}

.instruction-text ul,
.instruction-text ol {
    margin-left: 25px;
    margin-bottom: 15px;
}

.instruction-text li {
    margin-bottom: 8px;
}

.instruction-text strong {
    color: #00ff41;
}

.tip {
    background: rgba(0, 255, 65, 0.1);
    border-left: 3px solid #00ff41;
    padding: 12px 15px;
    margin-top: 15px;
    border-radius: 3px;
}

/* Example Datasets */
.example-dataset {
    margin-bottom: 20px;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 255, 65, 0.2);
    border-radius: 5px;
}

.example-dataset h4 {
    margin-top: 0;
}

.example-dataset p {
    color: #33ff77;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.download-example {
    background: transparent;
    color: #00ff41;
    border: 1px solid #00ff41;
    padding: 8px 16px;
    font-size: 0.9rem;
    font-family: 'Courier New', 'Consolas', monospace;
    cursor: pointer;
    border-radius: 3px;
    transition: all 0.3s;
    margin-bottom: 10px;
}

.download-example:hover {
    background: rgba(0, 255, 65, 0.1);
    border-color: #33ff77;
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}

.code-block {
    background: #000;
    border: 1px solid #00ff41;
    padding: 12px;
    border-radius: 3px;
    overflow-x: auto;
    font-size: 0.85rem;
    color: #00ff41;
    margin-top: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    .input-container {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .instruction-block {
        padding: 18px;
    }
    
    .modal-content {
        margin: 30px auto;
    }
    
    .heatmap-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .heatmap-item {
        max-width: 100%;
    }
    
    #lossGraphCanvas {
        max-width: 100%;
        height: auto;
    }
    
    .selector-controls {
        flex-direction: column;
    }
    
    .dataset-dropdown {
        min-width: 100%;
    }
}

@media (max-width: 600px) {
    h1 {
        font-size: 1.5rem;
    }
    
    .container {
        padding: 10px;
    }
    
    section {
        padding: 15px;
    }
    
    .input-container {
        grid-template-columns: 1fr;
    }
    
    .output-display {
        font-size: 1.5rem;
        padding: 20px;
    }
    
    .action-button {
        width: 100%;
        padding: 12px 20px;
    }
    
    .instruction-block {
        padding: 15px;
    }
    
    .instruction-text {
        font-size: 0.9rem;
    }
    
    .code-block {
        font-size: 0.75rem;
        padding: 10px;
    }
    
    .example-dataset {
        padding: 12px;
    }
    
    .encoding-summary {
        padding: 12px;
        font-size: 0.85rem;
    }
    
    .config-controls {
        padding: 15px;
    }
    
    .loss-graph-container,
    .weight-heatmap-container {
        padding: 15px;
    }
    
    #lossGraphCanvas {
        width: 100%;
    }
    
    .heatmap-item canvas {
        width: 100%;
    }
}

@media (max-width: 400px) {
    h1 {
        font-size: 1.2rem;
    }
    
    .subtitle {
        font-size: 0.8rem;
    }
    
    .upload-area {
        padding: 20px;
    }
    
    .terminal {
        font-size: 0.8rem;
        max-height: 200px;
    }
    
    .instruction-block h3 {
        font-size: 1rem;
    }
    
    .instruction-block h4 {
        font-size: 0.9rem;
    }
    
    .instruction-text {
        font-size: 0.85rem;
    }
    
    .input-group label {
        font-size: 0.9rem;
    }
    
    .input-group input,
    .input-group select {
        font-size: 0.9rem;
        padding: 8px;
    }
    
    .encoding-hint {
        font-size: 0.7rem;
    }
}

/* Modal Overlay */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    overflow-y: auto;
    padding: 20px;
    animation: fadeInOverlay 0.3s ease-out;
}

.modal-overlay.active {
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

@keyframes fadeInOverlay {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Modal Content */
.modal-content {
    background: #0a0a0a;
    border: 2px solid #00ff41;
    border-radius: 5px;
    max-width: 800px;
    width: 100%;
    margin: 40px auto;
    padding: 30px;
    position: relative;
    box-shadow: 0 0 30px rgba(0, 255, 65, 0.5), 0 0 60px rgba(0, 255, 65, 0.3);
    animation: slideInModal 0.4s ease-out;
}

@keyframes slideInModal {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Modal Close Button */
.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: transparent;
    border: 2px solid #00ff41;
    color: #00ff41;
    font-size: 2rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    font-family: Arial, sans-serif;
    line-height: 1;
    padding: 0;
}

.modal-close:hover {
    background: rgba(0, 255, 65, 0.2);
    border-color: #33ff77;
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.5);
    transform: rotate(90deg);
}

/* Modal Body */
#modalBody {
    color: #33ff77;
    line-height: 1.8;
}

#modalBody h2 {
    color: #00ff41;
    font-size: 1.8rem;
    margin-bottom: 20px;
    text-align: center;
    text-shadow: 0 0 10px #00ff41;
}

#modalBody h3 {
    color: #00ff41;
    font-size: 1.2rem;
    margin-top: 25px;
    margin-bottom: 12px;
    text-shadow: 0 0 5px #00ff41;
}

#modalBody p {
    margin-bottom: 15px;
    color: #33ff77;
}

#modalBody ul,
#modalBody ol {
    margin-left: 25px;
    margin-bottom: 15px;
}

#modalBody li {
    margin-bottom: 8px;
    color: #33ff77;
}

#modalBody strong {
    color: #00ff41;
}

#modalBody a {
    color: #00ff41;
    text-decoration: underline;
    transition: all 0.3s;
}

#modalBody a:hover {
    color: #33ff77;
    text-shadow: 0 0 5px #00ff41;
}

.modal-text {
    max-height: 70vh;
    overflow-y: auto;
    padding-right: 10px;
}

/* Custom scrollbar for modal */
.modal-text::-webkit-scrollbar {
    width: 8px;
}

.modal-text::-webkit-scrollbar-track {
    background: rgba(0, 255, 65, 0.1);
    border-radius: 4px;
}

.modal-text::-webkit-scrollbar-thumb {
    background: #00ff41;
    border-radius: 4px;
}

.modal-text::-webkit-scrollbar-thumb:hover {
    background: #33ff77;
}

/* Footer Navigation */
footer {
    text-align: center;
    padding: 30px 20px 20px;
    color: #666;
    font-size: 0.8rem;
    border-top: 1px solid rgba(0, 255, 65, 0.2);
    margin-top: 40px;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.footer-nav a {
    color: #00ff41;
    text-decoration: none;
    font-size: 0.9rem;
    padding: 8px 15px;
    border: 1px solid transparent;
    border-radius: 3px;
    transition: all 0.3s;
}

.footer-nav a:hover {
    color: #33ff77;
    border-color: #00ff41;
    background: rgba(0, 255, 65, 0.1);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}

/* Responsive Modal */
@media (max-width: 600px) {
    .modal-content {
        margin: 20px auto;
        padding: 20px;
        max-width: 95%;
    }
    
    .modal-close {
        width: 35px;
        height: 35px;
        font-size: 1.5rem;
        top: 10px;
        right: 10px;
    }
    
    #modalBody h2 {
        font-size: 1.4rem;
    }
    
    #modalBody h3 {
        font-size: 1.1rem;
    }
    
    .modal-text {
        max-height: 60vh;
    }
    
    .footer-nav {
        flex-direction: column;
        gap: 10px;
    }
    
    .footer-nav a {
        display: block;
        width: 100%;
    }
}

@media (max-width: 400px) {
    .modal-overlay {
        padding: 10px;
    }
    
    .modal-content {
        padding: 15px;
    }
    
    #modalBody h2 {
        font-size: 1.2rem;
    }
}