/* Custom CSS for InspeekAI */

/* Global styles */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
}

/* Hero section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
    min-height: 70vh;
}

.min-vh-50 {
    min-height: 50vh;
}

/* Cards */
.card {
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

/* Buttons */
.btn {
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0056b3 0%, #004085 100%);
    transform: translateY(-1px);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #ff9500 100%);
    border: none;
    color: #000;
}

.btn-warning:hover {
    background: linear-gradient(135deg, #ff9500 0%, #e6851a 100%);
    transform: translateY(-1px);
    color: #000;
}

/* File upload styles */
.upload-area {
    border: 2px dashed #ddd;
    border-radius: 0.5rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    background: #fafafa;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: #f0f7ff;
}

.upload-area.drag-over {
    border-color: var(--success-color);
    background: #f0fff4;
}

/* Progress bars */
.progress {
    height: 0.75rem;
    border-radius: 0.375rem;
}

.progress-bar {
    transition: width 0.3s ease;
}

/* Document cards */
.document-card {
    transition: all 0.3s ease;
    cursor: pointer;
}

.document-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 0.75rem 1.5rem rgba(0, 0, 0, 0.1);
}

.document-status {
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-uploaded {
    background: #e7f3ff;
    color: #0066cc;
}

.status-processing {
    background: #fff3cd;
    color: #856404;
}

.status-completed {
    background: #d4edda;
    color: #155724;
}

.status-error {
    background: #f8d7da;
    color: #721c24;
}

/* Navigation */
.navbar-brand {
    font-size: 1.5rem;
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
}

/* Footer */
.footer {
    border-top: 1px solid #dee2e6;
}

/* Responsive design */
@media (max-width: 768px) {
    .hero-section {
        min-height: 60vh;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .display-5 {
        font-size: 2rem;
    }
    
    .display-6 {
        font-size: 1.75rem;
    }
}

/* Dashboard styles */
.dashboard-card {
    border-left: 4px solid var(--primary-color);
}

.dashboard-card.success {
    border-left-color: var(--success-color);
}

.dashboard-card.warning {
    border-left-color: var(--warning-color);
}

.dashboard-card.danger {
    border-left-color: var(--danger-color);
}

/* Simplification results */
.simplified-content {
    background: #f8f9fa;
    border-radius: 0.5rem;
    padding: 1.5rem;
    border-left: 4px solid var(--success-color);
}

.key-points {
    background: white;
    border-radius: 0.375rem;
    padding: 1rem;
    border: 1px solid #e9ecef;
}

.exclusion-item {
    background: #fff5f5;
    border-left: 3px solid var(--danger-color);
    padding: 0.75rem;
    border-radius: 0.25rem;
    margin-bottom: 0.5rem;
}

.coverage-item {
    background: #f0fff4;
    border-left: 3px solid var(--success-color);
    padding: 0.75rem;
    border-radius: 0.25rem;
    margin-bottom: 0.5rem;
}

/* Loading animations */
.loading-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Form styles */
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* Alert styles */
.alert {
    border-radius: 0.5rem;
    border: none;
}

/* Language selector */
.language-flag {
    width: 20px;
    height: 15px;
    object-fit: cover;
    border-radius: 2px;
    margin-right: 0.5rem;
}

/* Translation panel */
.translation-panel {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 0.5rem;
    padding: 1.5rem;
    border: 1px solid #dee2e6;
}

/* Statistics cards */
.stat-card {
    background: linear-gradient(135deg, white 0%, #f8f9fa 100%);
    border: 1px solid #e9ecef;
    border-radius: 0.75rem;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.875rem;
    color: #6c757d;
    text-transform: uppercase;
    font-weight: 600;
}

/* Utility classes */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-lg {
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175) !important;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .card {
        background-color: #2d3748;
        color: #e2e8f0;
    }
    
    .simplified-content {
        background: #4a5568;
        color: #e2e8f0;
    }
    
    .upload-area {
        background: #4a5568;
        color: #e2e8f0;
        border-color: #718096;
    }
}