/* Floating button */

.fab {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bs-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    cursor: pointer;
    border: none;
    transition: transform .1s ease, box-shadow .1s ease;
    z-index: 1050;
}

    .fab:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(0,0,0,0.25);
    }

    .fab i {
        font-size: 1.75rem;
    }

/* Modal Dialog */

.modal-backdrop-custom {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1050;
}

.modal-custom {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1060;
    width: 90%;
    max-width: 450px;
}

.modal-content-custom {
    background: white;
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

/*  Circular buttons */
.btn-circle-elevated {
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    transition: transform .1s ease, box-shadow .1s ease;
}

.btn-circle-elevated:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.25);
}