:root {
    --fn-primary: #1B4F88;
    --fn-primary-dark: #14406F;
    --fn-primary-light: #2E689F;
    --fn-bg: #F4F6F9;
    --fn-card-bg: #FFFFFF;
    --fn-text: #1F2937;
    --fn-text-muted: #6B7280;
    --fn-text-subtle: #9CA3AF;
    --fn-border: #E5E7EB;
    --fn-border-strong: #D1D5DB;
    --fn-success: #10B981;
    --fn-warn: #F59E0B;
    --fn-danger: #EF4444;
    --fn-link: #1B6EC2;
    --fn-shadow-card: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
    --fn-radius: 8px;
    --fn-font: 'Segoe UI', 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

html, body {
    margin: 0;
    padding: 0;
    font-family: var(--fn-font);
    color: var(--fn-text);
    background: var(--fn-bg);
}

a, .btn-link {
    color: var(--fn-link);
}

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

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

h1, h2, h3, h4, h5, h6 { color: var(--fn-text); }
h1:focus { outline: none; }

.portal-main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.page-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
    color: var(--fn-text);
}

.panel {
    background: var(--fn-card-bg);
    border: 1px solid var(--fn-border);
    border-radius: var(--fn-radius);
    box-shadow: var(--fn-shadow-card);
    padding: 1.25rem;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
    color: var(--fn-text-muted);
    text-align: center;
}

.empty-state-title {
    font-size: 1rem;
    color: var(--fn-text);
    margin-bottom: 0.25rem;
}

.empty-state-sub {
    font-size: 0.875rem;
    color: var(--fn-text-subtle);
}