/**
 * CNN Visualizer Styles
 * Visualization-specific styles only. Common styles are in visualizations.css.
 */

/* ============================================
   CSS Custom Properties
   ============================================ */
:root {
    --cnn-cell-border: #bbb;
    --cnn-cell-bg: #fff;
    --cnn-highlight: rgba(255, 165, 0, 0.45);
    --cnn-highlight-border: #ff8c00;
    --cnn-output-positive: #1565c0;
    --cnn-output-zero: #ffffff;
    --cnn-output-negative: #c62828;
    --cnn-input-low: #000000;
    --cnn-input-high: #ffffff;
    --cnn-kernel-bg: #fff;
    --cnn-kernel-border: #ccc;
    --cnn-kernel-focus: #ff8c00;
    --cnn-computation-bg: #f8f9fa;
    --cnn-computation-border: #dee2e6;
    --cnn-current-dot: #ff8c00;
    --cnn-pooling-max: #1976d2;
    --cnn-pooling-avg: #388e3c;
}

[data-theme="gruvbox-dark"] {
    --cnn-cell-border: #504945;
    --cnn-cell-bg: #3c3836;
    --cnn-highlight: rgba(254, 128, 25, 0.45);
    --cnn-highlight-border: #fe8019;
    --cnn-output-positive: #83a598;
    --cnn-output-zero: #282828;
    --cnn-output-negative: #fb4934;
    --cnn-input-low: #1d2021;
    --cnn-input-high: #ebdbb2;
    --cnn-kernel-bg: #3c3836;
    --cnn-kernel-border: #504945;
    --cnn-kernel-focus: #fe8019;
    --cnn-computation-bg: #32302f;
    --cnn-computation-border: #504945;
    --cnn-current-dot: #fe8019;
    --cnn-pooling-max: #83a598;
    --cnn-pooling-avg: #b8bb26;
}

/* ============================================
   Canvas
   ============================================ */
#input-canvas,
#feature-canvas {
    display: block;
    width: 100%;
    cursor: default;
    background: var(--viz-canvas-bg);
}

#maxpool-canvas,
#avgpool-canvas {
    display: block;
    width: 100%;
    background: var(--viz-canvas-bg);
}

/* ============================================
   Filter Editor Panel
   ============================================ */
.cnn-filter-panel {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.cnn-filter-col {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
}

.cnn-kernel-grid {
    display: grid;
    gap: 3px;
}

.cnn-kernel-grid.size-3 {
    grid-template-columns: repeat(3, 1fr);
}

.cnn-kernel-grid.size-5 {
    grid-template-columns: repeat(5, 1fr);
}

.cnn-kernel-input {
    width: 50px;
    height: 32px;
    text-align: center;
    font-family: var(--viz-mono-font);
    font-size: 12px;
    font-weight: 600;
    border: 1px solid var(--cnn-kernel-border);
    border-radius: 3px;
    background: var(--cnn-kernel-bg);
    color: var(--viz-text);
    padding: 0 2px;
}

.cnn-kernel-input::-webkit-outer-spin-button,
.cnn-kernel-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.cnn-kernel-input[type=number] {
    -moz-appearance: textfield;
}

.cnn-kernel-input:focus {
    outline: none;
    border-color: var(--cnn-kernel-focus);
    box-shadow: 0 0 0 2px rgba(255, 140, 0, 0.25);
}

.cnn-preset-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    justify-content: center;
    max-width: 240px;
}

.cnn-preset-buttons .btn.active {
    background-color: var(--viz-active-bg);
    border-color: var(--viz-active-border);
    color: var(--viz-text);
}

/* ============================================
   Computation Display
   ============================================ */
.cnn-computation-col {
    flex: 1;
    min-width: 0;
}

.cnn-computation-box {
    background: var(--cnn-computation-bg);
    border: 1px solid var(--cnn-computation-border);
    border-radius: 4px;
    padding: 10px;
    font-family: var(--viz-mono-font);
    font-size: 11px;
    line-height: 1.6;
    max-height: 160px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
    color: var(--viz-text);
}

.cnn-computation-box .comp-multiply {
    color: var(--cnn-output-positive);
}

.cnn-computation-box .comp-result {
    font-weight: bold;
    color: var(--cnn-highlight-border);
}

/* ============================================
   Controls Panel
   ============================================ */
.cnn-controls-panel {
    display: flex;
    gap: 20px;
}

.cnn-options-col {
    flex: 1;
}

.cnn-actions-col {
    width: 150px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    justify-content: center;
}

.cnn-actions-col .btn-toolbar {
    display: flex;
    gap: 6px;
    flex-direction: column;
}

/* ============================================
   Speed Control
   ============================================ */
.speed-control {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--viz-text-muted);
}

/* ============================================
   Pooling Row
   ============================================ */
.cnn-pooling-row {
    display: flex;
    gap: 10px;
    padding: 10px;
}

.cnn-pooling-cell {
    flex: 1;
    text-align: center;
}

.cnn-pooling-cell .control-label-sm {
    display: block;
    margin-bottom: 6px;
    font-size: 11px;
    font-weight: 600;
    color: var(--viz-text-muted);
}

/* ============================================
   Legend Overrides
   ============================================ */
.legend-color.cnn-input-cell {
    background: linear-gradient(135deg, #000 0%, #fff 100%);
    border: 1px solid var(--cnn-cell-border);
}

.legend-color.cnn-filter-window {
    background-color: var(--cnn-highlight);
    border: 2px solid var(--cnn-highlight-border);
}

.legend-dot.cnn-current-output {
    background-color: var(--cnn-current-dot);
}

.control-label-sm {
    font-size: 12px;
    font-weight: 600;
    margin: 0;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 992px) {
    .cnn-filter-panel {
        flex-direction: column;
    }

    .cnn-controls-panel {
        flex-direction: column;
    }

    .cnn-actions-col {
        width: 100%;
    }

    .cnn-actions-col .btn-toolbar {
        flex-direction: row;
        justify-content: center;
    }

    .cnn-pooling-row {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .cnn-kernel-input {
        width: 40px;
        height: 28px;
        font-size: 11px;
    }
}