/* styles.css */

/* Base typography */
body {
    background: #f4f6fb;
    font-family: 'Segoe UI', 'Roboto', 'Arial', sans-serif;
    min-height: 100vh;
}

.card, .list-group-item {
    border-radius: 1.2rem;
    box-shadow: 0 2px 16px rgba(60, 72, 88, 0.07);
}

.navbar {
    border-radius: 0 0 1rem 1rem;
}

.material-icons {
    vertical-align: middle;
    font-size: 1.2em;
}

.btn-primary, .bg-primary {
    background: linear-gradient(90deg, #3b82f6 60%, #2563eb 100%) !important;
    border: none;
}

.alert {
    border-radius: 0.7rem;
    box-shadow: 0 2px 8px rgba(60, 72, 88, 0.05);
}

/* Low credits warning */
.credit-warning {
    color: #d97706;
    font-weight: bold;
}

/* QR code modal sizing */
.qr-modal img {
    max-width: 100%;
    width: 250px;
    margin: 0 auto;
    display: block;
    border-radius: 1rem;
    box-shadow: 0 2px 12px rgba(39, 70, 133, 0.13);
}

/* Sidebar active link */
.list-group-item.active, .list-group-item:active {
    background-color: #2563eb !important;
    color: #fff !important;
    border: none;
}

.footer {
    border-top: 1px solid #eee;
    margin-top: 3rem;
}

@media (max-width: 767px) {
    .navbar-brand {
        font-size: 1rem;
    }
    .qr-modal img {
        width: 100%;
    }
}