/* EigenSystem Visualization Styles */

/* Container */
.eigen-container {
    background: linear-gradient(135deg, #0d1117 0%, #161b22 100%);
    border-radius: 12px;
    padding: 20px;
    margin: 20px 0;
    display: flex;
    gap: 20px;
    min-height: 600px;
    font-family: 'Segoe UI', 'Roboto', sans-serif;
    color: #c9d1d9;
}

/* Control Panel */
.eigen-container .control-panel {
    width: 280px;
    background: rgba(22, 27, 34, 0.8);
    border-radius: 10px;
    padding: 20px;
    border: 1px solid #30363d;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.eigen-container .section-label {
    color: #58a6ff;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 5px;
}

/* Matrix Display */
.eigen-container .matrix-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 10px 0;
}

.eigen-container .matrix-bracket {
    font-size: 48px;
    color: #8b949e;
    font-weight: 100;
    line-height: 1;
}

.eigen-container .matrix-inputs {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.eigen-container .matrix-row {
    display: flex;
    gap: 8px;
}

.eigen-container .matrix-inputs input {
    width: 60px;
    padding: 8px;
    border: 1px solid #30363d;
    border-radius: 6px;
    background: #0d1117;
    color: #e6edf3;
    font-size: 16px;
    font-family: 'Courier New', monospace;
    text-align: center;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.eigen-container .matrix-inputs input:focus {
    outline: none;
    border-color: #58a6ff;
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.2);
}

.eigen-container .matrix-labels {
    display: flex;
    justify-content: center;
    gap: 40px;
    color: #8b949e;
    font-size: 12px;
    font-style: italic;
}

/* Preset Dropdown */
.eigen-container .preset-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.eigen-container .preset-row label {
    color: #8b949e;
    font-size: 13px;
}

.eigen-container .preset-select {
    flex: 1;
    padding: 8px 12px;
    font-size: 13px;
    border: 1px solid #30363d;
    border-radius: 6px;
    background: #21262d;
    color: #c9d1d9;
    cursor: pointer;
    transition: all 0.2s;
}

.eigen-container .preset-select:hover {
    border-color: #58a6ff;
}

.eigen-container .preset-select:focus {
    outline: none;
    border-color: #58a6ff;
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.2);
}

.eigen-container .preset-select option {
    background: #21262d;
    color: #c9d1d9;
}

.eigen-container .divider {
    height: 1px;
    background: #30363d;
    margin: 5px 0;
}

/* Eigenvalue Results */
.eigen-container .eigen-results {
    background: #0d1117;
    border-radius: 8px;
    padding: 12px;
    border: 1px solid #30363d;
}

.eigen-container .eigen-item {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: 13px;
}

.eigen-container .eigen-item.highlight {
    background: rgba(88, 166, 255, 0.1);
    margin: 0 -12px;
    padding: 8px 12px;
    border-radius: 4px;
}

.eigen-container .eigen-label {
    color: #8b949e;
}

.eigen-container .eigen-value {
    color: #7ee787;
    font-family: 'Courier New', monospace;
    font-weight: 600;
}

.eigen-container .eigen-item.highlight .eigen-value {
    color: #ffd700;
    font-size: 15px;
}

/* Area Display */
.eigen-container .area-display {
    background: #161b22;
    border-radius: 8px;
    padding: 10px 12px;
    margin-top: 10px;
    border: 1px solid #30363d;
}

.eigen-container .area-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
}

.eigen-container .area-label {
    color: #8b949e;
    font-size: 12px;
    min-width: 85px;
}

.eigen-container .area-value {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 13px;
    font-weight: 600;
}

.eigen-container .area-note {
    font-size: 10px;
    color: #f85149;
    margin-left: 4px;
}

/* Status Indicator */
.eigen-container #status-indicator {
    padding: 12px;
    text-align: center;
    background: #21262d;
    border-radius: 8px;
    font-size: 13px;
    color: #8b949e;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.eigen-container #status-indicator.match {
    background: linear-gradient(135deg, #ffd700 0%, #ffa500 100%);
    color: #000;
    font-weight: bold;
    border-color: #fff;
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
}

.eigen-container #status-indicator.complex {
    background: linear-gradient(135deg, #9c27b0 0%, #673ab7 100%);
    color: #fff;
}

/* Legend */
.eigen-container .legend {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 10px;
    background: #0d1117;
    border-radius: 8px;
    border: 1px solid #30363d;
}

.eigen-container .legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
}

.eigen-container .legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.eigen-container .legend-line {
    width: 20px;
    height: 2px;
    background: #ffd700;
}

.eigen-container .legend-line.eigen-line {
    border-top: 2px dashed #ffd700;
    background: transparent;
    height: 0;
}

.eigen-container .legend-square {
    width: 14px;
    height: 14px;
    border-radius: 2px;
}

/* Checkbox Group */
.eigen-container .checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 12px;
}

.eigen-container .checkbox-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.eigen-container .checkbox-group input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: #58a6ff;
}

/* Canvas Wrapper */
.eigen-container .canvas-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.eigen-container .canvas-label {
    color: #58a6ff;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
}

.eigen-container #eigen-canvas {
    flex: 1;
    background: #0d1117;
    border-radius: 10px;
    border: 1px solid #30363d;
    cursor: crosshair;
}

.eigen-container .canvas-hint {
    color: #6e7681;
    font-size: 11px;
    text-align: center;
    font-style: italic;
}

/* Vector Info Display */
.eigen-container .vector-info {
    display: flex;
    justify-content: center;
    gap: 30px;
    padding: 10px;
    background: #21262d;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
}

.eigen-container .vector-info .input-vec {
    color: #4fc3f7;
}

.eigen-container .vector-info .output-vec {
    color: #ff5252;
}

/* Responsive */
@media (max-width: 900px) {
    .eigen-container {
        flex-direction: column;
    }
    
    .eigen-container .control-panel {
        width: 100%;
    }
    
    .eigen-container .canvas-wrapper {
        min-height: 400px;
    }
}

/* Animation for eigenvalue match */
@keyframes pulse-gold {
    0%, 100% { box-shadow: 0 0 10px rgba(255, 215, 0, 0.5); }
    50% { box-shadow: 0 0 25px rgba(255, 215, 0, 0.8); }
}

.eigen-container #status-indicator.match {
    animation: pulse-gold 1.5s ease-in-out infinite;
}

/* Tooltip styling for canvas */
.eigen-container .canvas-tooltip {
    position: absolute;
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 11px;
    pointer-events: none;
    z-index: 100;
}

/* Compact Trajectory Controls (for complex eigenvalues) */
.trajectory-controls-compact {
    position: absolute;
    bottom: 45px;
    right: 15px;
    display: none;  /* Hidden by default */
    align-items: center;
    gap: 8px;
    background: rgba(13, 17, 23, 0.9);
    padding: 8px 12px;
    border-radius: 20px;
    border: 1px solid #30363d;
    z-index: 100;
}

.trajectory-controls-compact.visible {
    display: flex;
}

.animate-btn-compact {
    padding: 6px 14px;
    border: none;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    background: linear-gradient(135deg, #9c27b0, #673ab7);
    color: #fff;
}

.animate-btn-compact:hover {
    background: linear-gradient(135deg, #ab47bc, #7e57c2);
    transform: scale(1.05);
}

.animate-btn-compact.playing {
    background: linear-gradient(135deg, #da3633, #f85149);
}

.reset-btn-compact {
    padding: 6px 10px;
    border: none;
    border-radius: 50%;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    background: #21262d;
    color: #8b949e;
    border: 1px solid #30363d;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.reset-btn-compact:hover {
    background: #30363d;
    color: #c9d1d9;
}

.iteration-display {
    font-family: 'Courier New', monospace;
    font-size: 11px;
    color: #8b949e;
}

.iteration-display #iteration-count {
    color: #ffd700;
    font-weight: bold;
}