/* Medical RAG Application Styles */

:root {
    --primary-blue: #2e7bcf;
    --light-blue: #e3f2fd;
    --dark-blue: #1976d2;
    --background-gray: #f7f9fa;
    --text-gray: #6c757d;
    --border-light: #dee2e6;
    --success-green: #28a745;
    --danger-red: #dc3545;
    --warning-yellow: #ffc107;
}

body {
    background-color: var(--background-gray);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* App Header Styles */
.app-header {
    z-index: 1020;
    background-color: #ffffff !important;
}

.app-header .container {
    max-width: 1200px;
}

.app-header h1 {
    margin: 0;
}

/* Mobile-friendly header */
@media (max-width: 768px) {
    .app-header {
        padding: 0.5rem 0;
    }
    
    .app-header .container {
        padding: 0 1rem;
    }
    
    .app-header .row {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 0.75rem;
    }
    
    .app-header .col-auto {
        width: 100%;
    }
    
    .app-header .d-flex.align-items-center span {
        font-size: 0.75rem;
        line-height: 1.3;
        display: block;
    }
}

/* Container centering */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem;
}

/* Sticky header spacing */
body {
    padding-top: 0;
    /* Prevent zoom on inputs in iOS */
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

/* Touch-friendly interactions */
.btn, .form-control, .card {
    /* Improve touch targets */
    touch-action: manipulation;
}

/* Prevent unwanted zoom on form focus in mobile */
@media screen and (max-width: 768px) {
    input, textarea, select {
        font-size: 16px !important;
    }
}

/* Header Styles */
.header-section {
    padding: 2rem 0;
}

.header-section h1 {
    color: var(--primary-blue);
    font-weight: 700;
    margin-bottom: 1rem;
}

.header-section .fa-dna {
    color: var(--primary-blue);
}

/* Card Styles */
.card {
    border-radius: 15px;
    border: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.card-body {
    padding: 2rem;
}

/* Form Styles */
.form-control {
    border-radius: 10px;
    border: 2px solid var(--border-light);
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 0.2rem rgba(46, 123, 207, 0.25);
}

.form-control-lg {
    font-size: 1.15rem;
    padding: 1rem;
}

/* Button Styles */
.btn-primary {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
    font-weight: 600;
    padding: 1rem 2rem;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--dark-blue);
    border-color: var(--dark-blue);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 123, 207, 0.3);
}

.btn-primary:focus {
    box-shadow: 0 0 0 0.2rem rgba(46, 123, 207, 0.5);
}

/* Loading State */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Alert Styles */
.alert {
    border-radius: 10px;
    border: none;
    font-size: 1rem;
}

/* Database info styling */
.alert-info {
    background-color: rgba(46, 123, 207, 0.08);
    border: 1px solid rgba(46, 123, 207, 0.2);
}

.alert-info .fas.fa-database {
    color: var(--primary-blue);
    font-size: 1.2rem;
}

.alert-info {
    background-color: var(--light-blue);
    color: var(--dark-blue);
}

.alert-danger {
    background-color: #f8d7da;
    color: var(--danger-red);
}

/* Recommendation Content */
.recommendation-content {
    background: var(--light-blue);
    border-radius: 10px;
    padding: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.7;
    white-space: pre-wrap;
    border: 1px solid rgba(46, 123, 207, 0.2);
}

.recommendation-content strong {
    color: var(--dark-blue);
}

/* Icons */
.fas, .far {
    color: var(--primary-blue);
}

/* Form Labels */
.form-label {
    color: #333;
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

/* Card Header */
.card-header {
    border-radius: 15px 15px 0 0 !important;
    padding: 1.25rem 1.5rem;
}

.card-title {
    color: var(--dark-blue);
    font-weight: 600;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .container {
        padding: 0.75rem;
    }
    
    /* Mobile-friendly form */
    .card-body {
        padding: 1.5rem 1rem;
    }
    
    .form-control-lg {
        font-size: 1rem;
        padding: 0.875rem;
    }
    
    /* Touch-friendly button */
    .btn-primary {
        padding: 1rem 1.5rem;
        font-size: 1.1rem;
        min-height: 50px;
    }
    
    /* Better spacing for mobile */
    .lead {
        font-size: 1.1rem;
        margin-bottom: 1.5rem;
    }
    
    /* Mobile-optimized recommendations */
    .recommendation-content {
        font-size: 1rem;
        line-height: 1.6;
        padding: 1rem;
    }
    
    /* Ensure text is readable on mobile */
    .form-label {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }
}

/* Extra small screens */
@media (max-width: 576px) {
    .container {
        padding: 0.5rem;
    }
    
    .card {
        margin: 0;
        border-radius: 10px;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    /* Stack elements vertically on very small screens */
    .app-header .d-flex {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 0.5rem;
    }
    
    .app-header .fas.fa-dna {
        font-size: 1.5rem !important;
    }
    
    .app-header h1 {
        font-size: 1.25rem !important;
    }
}

/* Animation for form submission */
@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.btn-primary:active {
    animation: pulse 0.3s ease-in-out;
}

/* Custom scrollbar for textarea */
.form-control::-webkit-scrollbar {
    width: 8px;
}

.form-control::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.form-control::-webkit-scrollbar-thumb {
    background: var(--primary-blue);
    border-radius: 10px;
}

.form-control::-webkit-scrollbar-thumb:hover {
    background: var(--dark-blue);
}

/* Focus states for accessibility */
.btn:focus,
.form-control:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Text selection */
::selection {
    background-color: var(--light-blue);
    color: var(--dark-blue);
}

/* Medical themed gradients */
.bg-medical-gradient {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
}

/* Source attribution styling */
.source-item {
    font-size: 0.95rem;
    color: var(--text-gray);
    margin-bottom: 0.25rem;
}

.source-item:before {
    content: "• ";
    color: var(--primary-blue);
    font-weight: bold;
}