:root {
    --primary-dark: #00326B;
    --primary: #0056B3;
    --primary-light: #E8F0FE;
    --accent: #28A745;
}

body {
    background-color: #F5F6FA;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

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

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

.navbar-brand {
    font-size: 1.3rem;
}

.card {
    border: none;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    border-radius: 8px;
}

.card-header {
    border-bottom: 1px solid #E9ECEF;
    padding: 1rem 1.25rem;
}

.stat-card .card-body {
    padding: 1.5rem;
}

.stat-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    display: block;
}

.workflow-card {
    transition: transform 0.2s;
}

.workflow-card:hover {
    transform: translateY(-3px);
}

.workflow-step {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary);
    color: white;
    font-size: 1.4rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.upload-zone {
    border: 2px dashed #CED4DA;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background-color: #FAFBFC;
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--primary);
    background-color: var(--primary-light);
}

.upload-icon {
    font-size: 3rem;
    color: var(--primary);
    display: block;
    margin-bottom: 1rem;
}

.penpic-preview-card {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border-top: 4px solid var(--primary-dark);
}

.penpic-header {
    border-bottom: 2px solid var(--primary-dark);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.penpic-header h3 {
    color: var(--primary-dark);
    font-weight: 700;
    letter-spacing: 2px;
}

.preview-section {
    margin-bottom: 0.5rem;
}

.section-title {
    color: var(--primary-dark);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 1px;
    border-bottom: 1px solid #E9ECEF;
    padding-bottom: 0.3rem;
    margin-bottom: 0.5rem;
}

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

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

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

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

.table th {
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #6C757D;
}

.footer {
    border-top: 1px solid #E9ECEF;
}

.capability-area {
    background-color: #F8F9FA;
    padding: 1rem;
    border-radius: 6px;
}

.alert {
    border-radius: 8px;
}

.no-evidence-area {
    opacity: 0.7;
    background-color: #FFF9E6;
    padding: 0.75rem;
    border-radius: 6px;
    border-left: 3px solid #FFC107;
}