:root {
    --pm-primary: #2563eb;
    --pm-primary-dark: #1e40af;
    --pm-bg: #f6f7fb;
    --pm-card: #ffffff;
    --pm-text: #111827;
    --pm-muted: #6b7280;
    --pm-border: #e5e7eb;
}

html, body {
    background-color: var(--pm-bg);
    color: var(--pm-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

a {
    color: var(--pm-primary);
    text-decoration: none;
}

a:hover {
    color: var(--pm-primary-dark);
    text-decoration: underline;
}

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

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

.card {
    border: 1px solid var(--pm-border);
    border-radius: 12px;
}

.shadow-sm {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05) !important;
}

.navbar-brand {
    letter-spacing: 0.5px;
}