/* Custom CSS for XAI Scoring Framework */

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    z-index: 1;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-image {
    text-align: center;
    opacity: 0.8;
}

/* Section Titles */
.section-title {
    color: #333;
    margin-bottom: 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid #007bff;
    display: inline-block;
}

/* Cards */
.card {
    border: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    transition: transform 0.2s ease-in-out;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

/* Chat Container */
.chat-container {
    max-height: 500px;
    display: flex;
    flex-direction: column;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    background-color: #f8f9fa;
    border-radius: 10px;
    margin-bottom: 1rem;
    max-height: 400px;
}

.message {
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
}

.message.user {
    align-items: flex-end;
}

.message.assistant {
    align-items: flex-start;
}

.message.system {
    align-items: center;
}

.message-content {
    max-width: 70%;
    padding: 0.75rem 1rem;
    border-radius: 15px;
    word-wrap: break-word;
}

.message.user .message-content {
    background-color: #007bff;
    color: white;
}

.message.assistant .message-content {
    background-color: #e9ecef;
    color: #333;
}

.message.system .message-content {
    background-color: #28a745;
    color: white;
    text-align: center;
}

.chat-input-container {
    margin-top: auto;
}

/* Form Controls */
.form-control, .form-select {
    border-radius: 8px;
    border: 2px solid #e9ecef;
    transition: border-color 0.2s ease-in-out;
}

.form-control:focus, .form-select:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-range {
    height: 6px;
    border-radius: 3px;
}

.form-range::-webkit-slider-thumb {
    background: #007bff;
    border-radius: 50%;
    width: 20px;
    height: 20px;
}

.form-range::-moz-range-thumb {
    background: #007bff;
    border-radius: 50%;
    width: 20px;
    height: 20px;
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.2s ease-in-out;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Status Messages */
.alert {
    border-radius: 8px;
    border: none;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
}

/* Results Display */
.results-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 10px;
    padding: 1.5rem;
    margin-top: 1rem;
}

.metric-item {
    background: white;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.metric-label {
    font-weight: 600;
    color: #495057;
    margin-bottom: 0.5rem;
}

.metric-value {
    font-size: 1.25rem;
    font-weight: bold;
    color: #007bff;
}

/* Loading Spinner */
.spinner-border {
    width: 1.5rem;
    height: 1.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
    }
    
    .hero-section .display-4 {
        font-size: 2.5rem;
    }
    
    .message-content {
        max-width: 85%;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom Scrollbar */
.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Animation for new messages */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message {
    animation: slideIn 0.3s ease-out;
}

/* Progress indicators */
.progress {
    height: 8px;
    border-radius: 4px;
}

.progress-bar {
    border-radius: 4px;
}

/* Tooltips */
.tooltip {
    font-size: 0.875rem;
}

/* File upload styling */
.file-upload-area {
    border: 2px dashed #dee2e6;
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    transition: border-color 0.2s ease-in-out;
}

.file-upload-area:hover {
    border-color: #007bff;
}

.file-upload-area.dragover {
    border-color: #007bff;
    background-color: rgba(0, 123, 255, 0.1);
}