/* Custom styles for Linear Neural Networks for Classification slides */

/* Interactive demo containers */
.interactive-demo {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 16px;
    position: relative;
}

.interactive-demo .controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 16px;
    padding: 12px;
    background: #f9f9f9;
    border-radius: 8px;
    flex-wrap: wrap;
    position: relative;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.interactive-demo .controls label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9em;
    position: relative;
    z-index: 101;
}

.interactive-demo .controls input[type="range"] {
    width: 120px;
    position: relative;
    z-index: 102;
    cursor: pointer;
}

.interactive-demo .controls span {
    font-family: 'Source Code Pro', monospace;
    font-weight: bold;
    color: #10099F;
    min-width: 40px;
}

.interactive-demo button {
    background: #10099F;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9em;
    transition: background 0.3s ease;
    position: relative;
    z-index: 102;
}

.interactive-demo button:hover,
.controls-fixed button:hover {
    background: #2DD2C0;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.interactive-demo select {
    padding: 8px 12px;
    border: 2px solid #EEEEEE;
    border-radius: 5px;
    font-size: 0.9em;
    background: white;
    position: relative;
    z-index: 102;
    cursor: pointer;
}

/* Network diagram */
.network-diagram {
    width: 100%;
    height: 300px;
    background: #FAFAFA;
    border: 2px solid #EEEEEE;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Math blocks */
.math-block {
    margin: 20px auto;
    padding: 15px;
    background: #F5F5F5;
    border-left: 4px solid #10099F;
    border-radius: 4px;
    font-size: 1.1em;
}

/* Grid layouts */
.grid-2x2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 20px 0;
}

.grid-2x2 > div {
    background: #FAFAFA;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #EEEEEE;
}

.grid-2x2 h4 {
    color: #10099F;
    margin-bottom: 10px;
}

/* Simple two-column grid for compact layouts */
.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
}

/* Category grid for Fashion-MNIST */
.category-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    margin: 20px 0;
}

.category-grid span {
    background: #10099F;
    color: white;
    padding: 8px;
    text-align: center;
    border-radius: 4px;
    font-size: 0.85em;
}

/* One-hot encoding table */
.one-hot-table {
    margin: 20px auto;
    border-collapse: collapse;
    font-size: 0.9em;
}

.one-hot-table th {
    background: #10099F;
    color: white;
    padding: 12px;
    text-align: left;
}

.one-hot-table td {
    padding: 10px 12px;
    border: 1px solid #EEEEEE;
    font-family: 'Source Code Pro', monospace;
}

.one-hot-table tr:nth-child(even) {
    background: #FAFAFA;
}

/* Concept grid */
.concept-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin: 20px 0;
}

.concept-grid > div {
    text-align: center;
}

.concept-grid h4 {
    color: #10099F;
    margin-bottom: 10px;
}

/* Data pipeline */
.data-pipeline {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 24px;
    margin: 20px 0;
}

.data-pipeline > div {
    background: linear-gradient(to right, #F5F5F5, #FAFAFA);
    padding: 20px;
    border-left: 4px solid #2DD2C0;
    border-radius: 4px;
}

.data-pipeline h4 {
    color: #10099F;
    margin-bottom: 10px;
}

/* Metrics grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 20px 0;
}

.metrics-grid > div {
    background: white;
    padding: 20px;
    border: 2px solid #EEEEEE;
    border-radius: 8px;
    text-align: center;
}

.metrics-grid h4 {
    color: #2DD2C0;
    margin-bottom: 10px;
}

/* Dataset overview */
.dataset-overview {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Visualization containers */
#softmax-visualization,
#loss-visualization,
#boundary-visualization,
#mnist-visualization {
    width: 100%;
    min-height: 260px;
    background: white;
    border: 2px solid #EEEEEE;
    border-radius: 8px;
    position: relative;
    z-index: 1;
}

/* Ensure SVGs scale within containers */
.interactive-demo svg {
    width: 100% !important;
    height: auto !important;
    position: relative;
    z-index: 1;
}

/* Control positioning helpers */
.controls-overlay {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(249, 249, 249, 0.98);
    padding: 12px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 15px;
}

.controls-fixed {
    position: relative;
    margin-top: 20px;
    padding: 12px;
    background: #f9f9f9;
    border-radius: 8px;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

/* SVG styles for network visualizations */
.neuron {
    fill: #10099F;
    stroke: white;
    stroke-width: 2;
    transition: fill 0.3s ease;
}

.neuron.input {
    fill: #10099F;
}

.neuron.hidden {
    fill: #2DD2C0;
}

.neuron.output {
    fill: #FC8484;
}

.neuron:hover {
    fill: #FAC55B;
    cursor: pointer;
}

.connection {
    stroke: #CCCCCC;
    stroke-width: 1;
    fill: none;
    opacity: 0.6;
}

.connection.active {
    stroke: #FFA05F;
    stroke-width: 2;
    opacity: 1;
}

/* Animation particles */
.particle {
    fill: #00FFBA;
    r: 4;
}

/* Axis styles */
.axis {
    stroke: #262626;
    stroke-width: 1;
}

.axis-label {
    font-size: 12px;
    fill: #262626;
}

.tick {
    stroke: #262626;
    stroke-width: 1;
}

.tick-label {
    font-size: 10px;
    fill: #262626;
}

/* Legend */
.legend {
    font-size: 12px;
}

.legend-item rect {
    width: 15px;
    height: 15px;
}

.legend-item text {
    font-size: 12px;
    fill: #262626;
}

/* Tooltips for visualizations */
.viz-tooltip {
    position: absolute;
    background: rgba(38, 38, 38, 0.9);
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 12px;
    pointer-events: none;
    z-index: 1000;
}

/* Loading spinner */
.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid #EEEEEE;
    border-top-color: #10099F;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Responsive adjustments */
@media (max-width: 768px) {
    .grid-2x2,
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    .two-column,
    .data-pipeline {
        grid-template-columns: 1fr;
    }
    
    .category-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .concept-grid {
        grid-template-columns: 1fr;
    }
    
    .interactive-demo .controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .interactive-demo .controls label {
        justify-content: space-between;
    }
}

/* Compact slide variant to fit dense content */
.compact-slide {
    font-size: 0.9em;
}

/* Print styles */
@media print {
    .interactive-demo .controls {
        display: none;
    }
    
    .network-diagram,
    #softmax-visualization,
    #loss-visualization,
    #boundary-visualization,
    #mnist-visualization {
        border: 1px solid #000;
    }
}