:root {
    --lg-navy: #16213e;
    --lg-navy-light: #1f2f5c;
    --lg-coral: #ff6f5e;
    --lg-gold: #d4af37;
    --lg-cream: #fdfaf3;
}

/* ---------- Certificate page wrapper ---------- */
.lg-certificate-page {
    background: #eef0f5;
    margin: 0;
    font-family: 'Georgia', 'Times New Roman', serif;
}

.lg-cert-page-wrap {
    max-width: 960px;
    margin: 40px auto;
    padding: 0 16px;
}

.lg-cert-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 24px;
    font-family: Arial, sans-serif;
}

.lg-btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s ease;
}

.lg-btn-primary {
    background: var(--lg-coral);
    color: #fff;
}
.lg-btn-primary:hover { background: #ff5a47; }

.lg-btn-outline {
    background: transparent;
    color: var(--lg-navy);
    border-color: var(--lg-navy);
}
.lg-btn-outline:hover { background: var(--lg-navy); color: #fff; }

/* ---------- The certificate itself ---------- */
.lg-certificate {
    background: var(--lg-cream);
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}

.lg-cert-border {
    border: 3px solid var(--lg-gold);
    outline: 1px solid var(--lg-navy);
    outline-offset: -10px;
    padding: 60px 50px;
    text-align: center;
}

.lg-cert-header {
    margin-bottom: 30px;
}
.lg-cert-brand {
    display: block;
    font-size: 22px;
    letter-spacing: 4px;
    color: var(--lg-navy);
    font-weight: bold;
}
.lg-cert-subbrand {
    display: block;
    margin-top: 8px;
    font-size: 16px;
    letter-spacing: 2px;
    color: var(--lg-coral);
    text-transform: uppercase;
}

.lg-cert-body { margin: 30px 0; }
.lg-cert-line { font-size: 16px; color: #444; margin: 6px 0; }
.lg-cert-name {
    font-size: 42px;
    color: var(--lg-navy);
    margin: 10px 0;
    border-bottom: 2px solid var(--lg-gold);
    display: inline-block;
    padding-bottom: 8px;
}
.lg-cert-course {
    font-size: 24px;
    color: var(--lg-coral);
    margin: 16px 0 8px;
}
.lg-cert-date { font-size: 14px; color: #666; margin-top: 10px; }

.lg-cert-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-top: 50px;
}
.lg-cert-footer-col { text-align: left; }
.lg-cert-signature {
    font-size: 20px;
    font-weight: bold;
    color: var(--lg-navy);
    border-top: 1px solid #999;
    padding-top: 6px;
    min-width: 160px;
}
.lg-cert-signature-label { font-size: 12px; color: #777; margin-top: 4px; }

.lg-cert-qr-col { text-align: center; }
.lg-cert-qr { width: 90px; height: 90px; }
.lg-cert-id { font-size: 11px; color: #666; margin-top: 4px; font-family: Arial, sans-serif; }

/* ---------- Verification page ---------- */
.lg-verify-wrap {
    max-width: 520px;
    margin: 50px auto;
    padding: 32px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    font-family: Arial, sans-serif;
    text-align: center;
}
.lg-verify-title { color: var(--lg-navy); margin-bottom: 6px; }
.lg-verify-subtitle { color: #666; font-size: 14px; margin-bottom: 24px; }

.lg-verify-tabs { display: flex; justify-content: center; gap: 8px; margin-bottom: 20px; }
.lg-tab-btn {
    padding: 8px 18px;
    border: 2px solid var(--lg-navy);
    background: transparent;
    color: var(--lg-navy);
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
}
.lg-tab-btn.active { background: var(--lg-navy); color: #fff; }

.lg-tab-panel { display: none; }
.lg-tab-panel.active { display: block; }

#lg-verify-form { display: flex; gap: 8px; }
#lg-cert-id-input {
    flex: 1;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 14px;
}

#lg-qr-reader { max-width: 320px; margin: 0 auto; }
.lg-qr-hint { font-size: 13px; color: #888; margin-top: 10px; }

.lg-verify-result { margin-top: 24px; text-align: left; }
.lg-result-valid {
    background: #eafaf0;
    border-left: 4px solid #2ecc71;
    padding: 16px;
    border-radius: 6px;
}
.lg-result-invalid {
    background: #fdecea;
    border-left: 4px solid #e74c3c;
    padding: 16px;
    border-radius: 6px;
    color: #c0392b;
}
.lg-result-valid h4 { margin: 0 0 8px; color: #1e824c; }
.lg-result-valid p { margin: 4px 0; font-size: 14px; color: #333; }

@media print {
    .lg-cert-actions { display: none; }
    .lg-cert-page-wrap { margin: 0; }
}