/* Placeholder for logo image - to be replaced with actual logo */
.placeholder-logo {
    width: 200px;
    height: 50px;
    background-color: #1d3557;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    border-radius: 4px;
}

/* Placeholder for network visualization - to be replaced with actual visualization */
.placeholder-network {
    width: 100%;
    height: 500px;
    background-color: #f1faee;
    border: 1px solid #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    color: #1d3557;
}

.placeholder-network i {
    font-size: 3rem;
    margin-bottom: 20px;
}

/* Placeholder for document images - to be replaced with actual document scans */
.placeholder-document {
    width: 100%;
    height: 300px;
    background-color: #f1faee;
    border: 1px solid #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    color: #1d3557;
}

.placeholder-document i {
    font-size: 3rem;
    margin-bottom: 20px;
}

/* Placeholder for participant photos - to be replaced with actual photos */
.placeholder-person {
    width: 100%;
    height: 200px;
    background-color: #f1faee;
    border: 1px solid #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    color: #1d3557;
}

.placeholder-person i {
    font-size: 3rem;
    margin-bottom: 10px;
}

/* Network visualization ripple effect */
.network-ripple {
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: rgba(230, 57, 70, 0.5);
    transform: scale(0);
    animation: ripple 1s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(10);
        opacity: 0;
    }
}

/* Form validation styles */
.error {
    border-color: var(--danger-color) !important;
    background-color: rgba(231, 111, 81, 0.1) !important;
}

.success-message {
    text-align: center;
    padding: 40px 20px;
}

.success-message i {
    font-size: 4rem;
    color: var(--success-color);
    margin-bottom: 20px;
}

/* Timeline animation */
.timeline-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.timeline-item.animate {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item.highlight {
    border-left: 4px solid var(--primary-color);
    border-right: 4px solid var(--primary-color);
}

/* Network legend styles */
.network-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 20px;
    justify-content: center;
}

.legend-item {
    display: flex;
    align-items: center;
    margin-right: 20px;
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    margin-right: 10px;
}

.legend-line {
    width: 30px;
    height: 2px;
    background-color: #333;
    margin-right: 10px;
}

.legend-line.dashed {
    border-top: 2px dashed #333;
    background-color: transparent;
}

/* Document link styles */
.document-link {
    margin-top: 10px;
}

.document-link a {
    display: inline-flex;
    align-items: center;
    color: var(--accent-color);
    font-weight: 500;
}

.document-link a i {
    margin-right: 8px;
}

.document-link a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* Evidence grid styles */
.evidence-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.evidence-card {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.evidence-card:hover {
    transform: translateY(-10px);
}

.evidence-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.btn-secondary {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 8px 15px;
    border-radius: 4px;
    margin-top: 15px;
    font-weight: 500;
    transition: var(--transition);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Document highlight styles */
.document-highlight {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
    margin-top: 40px;
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.document-image {
    flex: 1;
    min-width: 300px;
}

.document-text {
    flex: 2;
    min-width: 300px;
}

.document-text blockquote {
    background-color: #f8f9fa;
    padding: 20px;
    border-left: 4px solid var(--primary-color);
    margin: 20px 0;
    font-style: italic;
}

/* Conclusion text styles */
.conclusion-text {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
}

.conclusion-text p {
    margin-bottom: 20px;
}

.conclusion-text p:last-child {
    margin-bottom: 0;
}

/* Analysis text styles */
.analysis-text {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
}

.analysis-text ul {
    list-style: disc;
    margin-left: 20px;
    margin-bottom: 20px;
}

.analysis-text ul li {
    margin-bottom: 10px;
}

/* Comparison conclusion styles */
.comparison-conclusion {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-top: 30px;
    border-left: 4px solid var(--primary-color);
}