styles.css

/* www/styles.css */
/* Modern sleek theme with dark mode elements */

body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

.container-fluid {
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

/* Nav-bar styling */
.nav-bar {
  position: sticky; 
  top: 0px;
  background: white;
  z-index: 10;
}

/* Header styling */
.navbar-title {
    color: #2c3e50 !important;
    font-weight: 700;
    font-size: 1.8rem;
    padding: 15px 0;
}

/* Sidebar styling */
.card.shiny-input-container {
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    padding: 20px;
    margin-bottom: 20px;
}

/* Upload button styling */
.btn-file {
    background-color: #4a90e2;
    color: white !important;
    border-radius: 8px;
    padding: 10px 20px;
    transition: all 0.3s ease;
}

.btn-file:hover {
    background-color: #357abd;
    transform: translateY(-1px);
}

/* Analyze button styling */
.btn-success {
    background-color: #27ae60 !important;
    border: none;
    border-radius: 8px;
    padding: 12px 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-success:hover {
    background-color: #219653 !important;
    transform: translateY(-1px);
}

/* Image cards styling */
.card {
    background: white;
    border: none;
    border-radius: 15px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    margin-bottom: 25px;
    overflow: hidden;
    transition: transform 0.2s ease;
}

.card:hover {
    transform: translateY(-3px);
}

/* Image display styling */
img {
    border-radius: 10px;
    object-fit: cover;
    max-height: 300px;
    width: 100%;
    margin: 10px 0;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

/* Results text styling */
.results-text {
    color: #2c3e50;
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    margin: 15px 0;
    padding: 12px;
    background-color: #f8f9fa;
    border-radius: 6px;
    border-left: 4px solid #4a90e2;
}

/* Download button styling */
.btn-primary {
    background-color: #2ecc71 !important;
    right: 10px;
    top: 10px;
    border: none;
    border-radius: 8px;
    padding: 10px 25px;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    background-color: #27ae60 !important;
}

/* Responsive design */
@media (max-width: 768px) {
    .col-md-4 {
        flex: 0 0 100%;
        max-width: 100%;
    }

    img {
        max-height: 200px;
    }
}