/* Global Styles */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Loader Overlay */
.loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    color: white;
}

/* Progress Steps */
.progress-steps {
    padding: 2rem 0;
}

.progress-steps .step {
    flex: 1;
    text-align: center;
    position: relative;
}

.progress-steps .step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    width: 100%;
    height: 2px;
    background-color: #e9ecef;
    z-index: -1;
}

.progress-steps .step.active:not(:last-child)::after,
.progress-steps .step.completed:not(:last-child)::after {
    background-color: var(--primary-color);
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #e9ecef;
    color: #6c757d;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.step.active .step-number {
    background-color: var(--primary-color);
    color: white;
}

.step.completed .step-number {
    background-color: var(--success-color);
    color: white;
}

.step.completed .step-number::before {
    content: '✓';
}

.step-label {
    font-size: 0.875rem;
    color: #6c757d;
}

.step.active .step-label {
    color: var(--primary-color);
    font-weight: 600;
}

/* Card Styles */
.card {
    border: 1px solid #e9ecef;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    transition: box-shadow 0.3s ease;
}

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

.card-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
    font-weight: 600;
}

/* Chart Container */
.chart-container {
    position: relative;
    height: 400px;
    margin-bottom: 1rem;
}

/* LLM Summary Box */
.llm-summary {
    background-color: #f8f9fa;
    border-left: 4px solid var(--info-color);
    padding: 1.5rem;
    border-radius: 0.375rem;
    margin-top: 1rem;
}

.llm-summary h5 {
    color: var(--info-color);
    margin-bottom: 1rem;
}

/* Report Card */
.report-card {
    transition: transform 0.2s ease;
}

.report-card:hover {
    transform: translateY(-5px);
}

/* Status Badges */
.badge {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Footer */
footer {
    margin-top: auto;
    background-color: #f8f9fa;
    border-top: 1px solid #e9ecef;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .progress-steps .d-flex {
        flex-wrap: wrap;
    }

    .progress-steps .step {
        flex-basis: 50%;
        margin-bottom: 1rem;
    }

    .progress-steps .step:not(:last-child)::after {
        display: none;
    }

    .chart-container {
        height: 300px;
    }
}

/* Animation for alerts */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert {
    animation: slideDown 0.3s ease;
}

/* Button Styles */
.btn {
    transition: all 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.15);
}

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

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Table Styles */
.table {
    background-color: white;
}

.table thead {
    background-color: #f8f9fa;
}

/* Utilities */
.text-muted {
    color: #6c757d !important;
}

.bg-light {
    background-color: #f8f9fa !important;
}