/* Main stylesheet for ML-based NLU Astrology Pipeline */

:root {
    /* Light theme colors - softer, more accessible */
    --primary-color: #5b7bd5;
    --primary-hover: #4a6bc4;
    --secondary-color: #6b5b95;
    --success-color: #28a745;
    --warning-color: #f0ad4e;
    --danger-color: #dc3545;
    --info-color: #5bc0de;

    /* Backgrounds */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;

    /* Text colors */
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #868e96;

    /* Card and component colors */
    --card-bg: #ffffff;
    --card-header-bg: #f0f4f8;
    --card-border: #dee2e6;

    /* Form elements */
    --input-bg: #ffffff;
    --input-border: #ced4da;
    --input-focus-border: #5b7bd5;
    --input-focus-shadow: rgba(91, 123, 213, 0.25);

    /* Gradients - softer */
    --gradient-primary: linear-gradient(135deg, #5b7bd5 0%, #6b5b95 100%);
    --gradient-secondary: linear-gradient(135deg, #6b5b95 0%, #5b7bd5 100%);

    --border-radius: 8px;
    --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --box-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
}

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
}

.bg-gradient {
    background: var(--gradient-primary) !important;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

/* Navigation */
.navbar {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-dark.bg-primary {
    background-color: var(--primary-color) !important;
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.25rem;
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 1rem;
}

.navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-hover);
}

.card-header {
    background-color: var(--card-header-bg);
    border-bottom: 1px solid var(--card-border);
    font-weight: 600;
    color: var(--text-primary);
}

.card-header.bg-primary {
    background-color: var(--primary-color) !important;
    color: white;
    border-bottom: none;
}

.card-body {
    color: var(--text-primary);
}

/* Buttons */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(91, 123, 213, 0.3);
}

.btn-outline-secondary {
    border-color: var(--input-border);
    color: var(--text-secondary);
}

.btn-outline-secondary:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.btn-outline-info {
    border-color: var(--info-color);
    color: var(--info-color);
}

.btn-outline-info:hover {
    background-color: var(--info-color);
    border-color: var(--info-color);
    color: white;
}

.btn-warning {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
    color: #212529;
}

.btn-warning:hover {
    background-color: #ec971f;
    border-color: #d58512;
    transform: translateY(-1px);
}

/* Forms */
.form-control {
    background-color: var(--input-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--input-border);
    color: var(--text-primary);
    transition: var(--transition);
}

.form-control:focus {
    background-color: var(--input-bg);
    border-color: var(--input-focus-border);
    box-shadow: 0 0 0 0.2rem var(--input-focus-shadow);
    color: var(--text-primary);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
}

.form-text {
    color: var(--text-secondary);
}

/* Hero Section */
.jumbotron {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

/* Statistics Section */
.stats-counter {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
}

/* Progress Bars */
.progress {
    height: 8px;
    border-radius: 4px;
    background-color: #e9ecef;
}

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

/* Badges */
.badge {
    font-weight: 500;
    padding: 0.5em 0.75em;
}

/* Entity Badges */
.entity-badge {
    background-color: #e3f2fd;
    color: #1565c0;
    border: 1px solid #bbdefb;
    font-weight: 500;
}

/* Confidence Bar */
.confidence-bar {
    background-color: #e9ecef;
    border-radius: 4px;
    overflow: hidden;
    height: 8px;
}

.confidence-fill {
    height: 100%;
    transition: width 0.5s ease;
    border-radius: 4px;
}

/* Loading States */
.spinner-border {
    width: 3rem;
    height: 3rem;
}

/* Processing Overlay */
.processing-overlay {
    backdrop-filter: blur(5px);
}

.processing-content {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
}

.alert-success {
    background-color: #d1edff;
    color: #0c5460;
}

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

/* Tables */
.table {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.table thead th {
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
}

/* Footer */
footer {
    margin-top: auto;
}

footer h6 {
    color: var(--dark-color);
    font-weight: 600;
}

footer a {
    color: #6c757d;
    transition: var(--transition);
}

footer a:hover {
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .jumbotron {
        padding: 2rem 1rem !important;
    }
    
    .jumbotron h1 {
        font-size: 2rem !important;
    }
    
    .stats-counter {
        font-size: 2rem;
    }
    
    .btn-lg {
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .jumbotron {
        padding: 1.5rem 1rem !important;
    }
    
    .jumbotron h1 {
        font-size: 1.75rem !important;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-up {
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Utility Classes */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-soft {
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08) !important;
}

.border-gradient {
    border: 2px solid transparent;
    background: linear-gradient(white, white) padding-box,
                var(--gradient-primary) border-box;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        /* Dark theme colors - softer, less harsh */
        --primary-color: #7b9ef5;
        --primary-hover: #6a8ee4;
        --secondary-color: #8b7bb5;

        /* Backgrounds */
        --bg-primary: #1a1d23;
        --bg-secondary: #1e2128;
        --bg-tertiary: #2a2d35;

        /* Text colors */
        --text-primary: #e4e6eb;
        --text-secondary: #b0b3b8;
        --text-muted: #8a8d91;

        /* Card and component colors */
        --card-bg: #242731;
        --card-header-bg: #2d3139;
        --card-border: #3a3d45;

        /* Form elements */
        --input-bg: #2a2d35;
        --input-border: #3a3d45;
        --input-focus-border: #7b9ef5;
        --input-focus-shadow: rgba(123, 158, 245, 0.25);

        --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        --box-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.4);
    }

    body {
        background-color: var(--bg-secondary);
        color: var(--text-primary);
    }

    .card {
        background-color: var(--card-bg);
        border-color: var(--card-border);
        color: var(--text-primary);
    }

    .card-header {
        background-color: var(--card-header-bg);
        border-bottom-color: var(--card-border);
        color: var(--text-primary);
    }

    .card-header.bg-primary {
        background-color: var(--primary-color) !important;
        color: white;
    }

    .form-control {
        background-color: var(--input-bg);
        border-color: var(--input-border);
        color: var(--text-primary);
    }

    .form-control:focus {
        background-color: var(--input-bg);
        border-color: var(--input-focus-border);
        color: var(--text-primary);
    }

    .form-control::placeholder {
        color: var(--text-muted);
    }

    .btn-outline-secondary {
        border-color: var(--input-border);
        color: var(--text-secondary);
    }

    .btn-outline-secondary:hover {
        background-color: var(--bg-tertiary);
        border-color: var(--text-secondary);
        color: var(--text-primary);
    }

    .navbar-dark {
        background-color: var(--card-bg) !important;
    }

    footer.bg-light {
        background-color: var(--card-bg) !important;
        color: var(--text-primary);
    }

    footer .text-muted {
        color: var(--text-secondary) !important;
    }

    footer a {
        color: var(--text-secondary);
    }

    footer a:hover {
        color: var(--primary-color);
    }
}