/* 1D Convolution Visualization Tutorial - CSS */
/* Max width: 800px, Font: Courier New */

.conv1d-container {
    max-width: 800px;
    margin: 0 auto;
    font-family: 'Courier New', monospace;
    padding: 20px;
    background: #000;
    color: #fff;
}

.conv1d-header {
    text-align: center;
    margin-bottom: 20px;
}

.conv1d-header h2 {
    color: #4CAF50;
    margin: 0 0 10px 0;
    font-size: 18px;
}

.controls-panel {
    background: #1a1a1a;
    border: 1px solid #444;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
}

.controls-panel h3 {
    color: #4CAF50;
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 14px;
    text-align: center;
}

.control-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    gap: 15px;
    flex-wrap: wrap;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
    flex: 1;
    min-width: 150px;
}

.control-group label {
    font-size: 12px;
    color: #fff;
    font-weight: bold;
}

.control-group select {
    padding: 6px;
    border: 1px solid #555;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    background: #2a2a2a;
    color: #fff;
}

.btn {
    padding: 8px 16px;
    background: #2196F3;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    font-weight: bold;
    transition: background 0.2s;
}

.btn:hover {
    background: #1976D2;
}

.btn:active {
    background: #1565C0;
}

.btn.pause {
    background: #FF9800;
}

.btn.pause:hover {
    background: #F57C00;
}

.btn:disabled {
    background: #444;
    color: #888;
    cursor: not-allowed;
}

/* Visualization Panels */
.visualization-panels {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.panel {
    background: #1a1a1a;
    border: 1px solid #444;
    border-radius: 8px;
    padding: 15px;
}

.panel-title {
    text-align: center;
    color: #4CAF50;
    font-size: 13px;
    font-weight: bold;
    margin-bottom: 10px;
    border-bottom: 1px solid #444;
    padding-bottom: 5px;
}

.canvas-container {
    position: relative;
    width: 100%;
    background: #000;
    border-radius: 4px;
    overflow: hidden;
}

.canvas-container canvas {
    display: block;
    width: 100%;
    height: auto;
}

/* Top row: Input and Kernel */
.top-row {
    display: flex;
    gap: 15px;
}

.top-panel {
    flex: 1;
}

/* Info Panel */
.info-panel {
    margin-top: 20px;
    padding: 15px;
    background: #1a1a1a;
    border: 1px solid #444;
    border-radius: 8px;
    font-size: 12px;
    line-height: 1.6;
}

.info-panel h3 {
    color: #4CAF50;
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 14px;
}

.info-panel p {
    margin: 5px 0;
    color: #fff;
}

.info-panel .formula {
    color: #FF6B9D;
    font-style: italic;
    margin: 5px 0;
    text-align: center;
}

/* Responsive */
@media (max-width: 600px) {
    .control-row {
        flex-direction: column;
    }
    
    .control-group {
        width: 100%;
    }
    
    .top-row {
        flex-direction: column;
    }
}