/* Algorithm Visualization Styles */

#algorithm-canvas-container {
    position: relative;
    width: 100%;
}

#algorithm-canvas {
    width: 100%;
    max-width: 600px;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 0.5rem;
    background: #0d0d0d;
    border: 1px solid rgba(1, 115, 178, 0.3);
}

.algorithm-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
    justify-content: center;
    align-items: center;
}

.algorithm-controls .btn {
    min-width: 120px;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    background: rgba(1, 115, 178, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
}

.control-group label {
    font-size: 0.9rem;
    color: var(--color-text-dim);
    font-weight: 500;
}

.control-group select {
    padding: 0.6rem 1rem;
    border-radius: 0.5rem;
    background: var(--color-bg);
    color: var(--color-text);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.control-group select:hover {
    border-color: var(--color-primary);
}

.control-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(1, 115, 178, 0.2);
}

#algorithm-status {
    margin-top: 1.5rem;
    padding: 1.2rem;
    background: rgba(1, 115, 178, 0.1);
    border-radius: 0.5rem;
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    color: var(--color-primary);
    min-height: 80px;
    border-left: 4px solid var(--color-primary);
    line-height: 1.6;
}

#algorithm-status.running {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        background: rgba(1, 115, 178, 0.1);
    }
    50% {
        background: rgba(1, 115, 178, 0.2);
    }
}

/* Canvas Visualization Elements (styled via canvas API, these are reference classes) */
.canvas-loop-label {
    /* Outer loop: Blue gradient */
    color: #0173B2;
}

.canvas-inner-loop-label {
    /* Inner loop: Green */
    color: #029E73;
}

.canvas-member-path {
    /* Member trajectory: Solid blue */
    stroke: #0173B2;
}

.canvas-nonmember-path {
    /* Non-member trajectory: Dashed orange */
    stroke: #DE8F05;
}

.canvas-perturbation {
    /* Perturbation visualization */
    fill: rgba(222, 143, 5, 0.3);
}

.canvas-degradation-bar {
    /* Degradation progress bar */
    fill: #029E73;
}

/* Animation States */
.algorithm-visualization.playing #play-algorithm {
    opacity: 0.5;
    pointer-events: none;
}

/* Responsive */
@media (max-width: 768px) {
    #algorithm-canvas {
        max-width: 100%;
    }
    
    .algorithm-controls {
        flex-direction: column;
        width: 100%;
    }
    
    .algorithm-controls .btn,
    .control-group {
        width: 100%;
    }
    
    .control-group {
        justify-content: space-between;
    }
}

/* Additional visual states for canvas rendering */
.algorithm-step-highlight {
    animation: stepHighlight 1s ease-in-out;
}

@keyframes stepHighlight {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Legend for canvas visualization */
.canvas-legend {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.canvas-legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
}

.canvas-legend-line {
    width: 30px;
    height: 3px;
    background: var(--color-primary);
}

.canvas-legend-line.dashed {
    background: repeating-linear-gradient(
        to right,
        var(--color-accent) 0px,
        var(--color-accent) 5px,
        transparent 5px,
        transparent 10px
    );
}

.canvas-legend-item span {
    color: var(--color-text-dim);
}